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-rw-r--r--001help.cc3
-rw-r--r--edit/Readme.md18
-rw-r--r--html/001help.cc.html431
-rw-r--r--html/002test.cc.html2
-rw-r--r--html/003trace.cc.html12
-rw-r--r--html/010vm.cc.html68
-rw-r--r--html/011load.cc.html20
-rw-r--r--html/012transform.cc.html8
-rw-r--r--html/013update_operation.cc.html2
-rw-r--r--html/014literal_string.cc.html16
-rw-r--r--html/016dilated_reagent.cc.html4
-rw-r--r--html/017parse_tree.cc.html2
-rw-r--r--html/018type_abbreviations.cc.html24
-rw-r--r--html/020run.cc.html34
-rw-r--r--html/021check_instruction.cc.html10
-rw-r--r--html/022arithmetic.cc.html96
-rw-r--r--html/023boolean.cc.html28
-rw-r--r--html/024jump.cc.html14
-rw-r--r--html/025compare.cc.html76
-rw-r--r--html/026call.cc.html2
-rw-r--r--html/027call_ingredient.cc.html22
-rw-r--r--html/028call_return.cc.html22
-rw-r--r--html/029tools.cc.html44
-rw-r--r--html/030container.cc.html78
-rw-r--r--html/031merge.cc.html22
-rw-r--r--html/032array.cc.html56
-rw-r--r--html/033exclusive_container.cc.html32
-rw-r--r--html/034address.cc.html22
-rw-r--r--html/035lookup.cc.html22
-rw-r--r--html/036refcount.cc.html146
-rw-r--r--html/037abandon.cc.html22
-rw-r--r--html/038new_text.cc.html24
-rw-r--r--html/039location_array.cc.html10
-rw-r--r--html/040brace.cc.html20
-rw-r--r--html/041jump_target.cc.html18
-rw-r--r--html/042name.cc.html12
-rw-r--r--html/043space.cc.html20
-rw-r--r--html/044space_surround.cc.html4
-rw-r--r--html/045closure_name.cc.html10
-rw-r--r--html/047check_type_by_name.cc.html6
-rw-r--r--html/050scenario.cc.html54
-rw-r--r--html/052tangle.cc.html8
-rw-r--r--html/053recipe_header.cc.html66
-rw-r--r--html/054static_dispatch.cc.html74
-rw-r--r--html/055shape_shifting_container.cc.html22
-rw-r--r--html/056shape_shifting_recipe.cc.html80
-rw-r--r--html/057immutable.cc.html36
-rw-r--r--html/058to_text.cc.html4
-rw-r--r--html/060rewrite_literal_string.cc.html10
-rw-r--r--html/062convert_ingredients_to_text.cc.html8
-rw-r--r--html/067random.cc.html4
-rw-r--r--html/069hash.cc.html24
-rw-r--r--html/071recipe.cc.html34
-rw-r--r--html/072scheduler.cc.html46
-rw-r--r--html/073wait.cc.html64
-rw-r--r--html/074deep_copy.cc.html14
-rw-r--r--html/080display.cc.html44
-rw-r--r--html/082scenario_screen.cc.html54
-rw-r--r--html/085scenario_console.cc.html56
-rw-r--r--html/087file.cc.html28
-rw-r--r--html/089scenario_filesystem.cc.html32
-rw-r--r--html/091socket.cc.html34
-rw-r--r--html/099hardware_checks.cc.html12
-rw-r--r--html/100trace_browser.cc.html54
-rw-r--r--html/101run_sandboxed.cc.html40
-rw-r--r--sandbox/Readme.md13
66 files changed, 1217 insertions, 1180 deletions
diff --git a/001help.cc b/001help.cc
index b7088957..053079f7 100644
--- a/001help.cc
+++ b/001help.cc
@@ -36,6 +36,9 @@ if (argc <= 1 || is_equal(argv[1], "--help")) {
        << "    mu test directory1 directory2 ...\n"
        << "  To pass ingredients to a mu program, provide them after '--':\n"
        << "    mu file_or_dir1 file_or_dir2 ... -- ingredient1 ingredient2 ...\n"
+       << "  To see where a mu program is spending its time:\n"
+       << "    mu --profile file_or_dir1 file_or_dir2 ...\n"
+       << "  this slices and dices time spent in various profile.* output files\n"
        << "\n"
        << "  To browse a trace generated by a previous run:\n"
        << "    mu browse-trace file\n"
diff --git a/edit/Readme.md b/edit/Readme.md
index 280c3500..3a18567e 100644
--- a/edit/Readme.md
+++ b/edit/Readme.md
@@ -31,3 +31,21 @@ stage your learning.
 
 To see how the various 'layers' are organized, peek inside the individual
 `.mu` files.
+
+---
+
+Appendix: keyboard shortcuts
+
+  _moving and scrolling_
+  - `ctrl-a` or `home`: move cursor to start of line
+  - `ctrl-e` or `end`: move cursor to end of line
+  - `ctrl-f` or `page-down`: scroll down by one page
+  - `ctrl-b` or `page-up`: scroll up by one page
+  - `ctrl-x`: scroll down by one line
+  - `ctrl-s`: scroll up by one line
+  - `ctrl-t`: scroll until current line is at top of screen
+
+  _modifying text_
+  - `ctrl-k`: delete text from cursor to end of line
+  - `ctrl-u`: delete text from start of line until just before cursor
+  - `ctrl-/`: comment/uncomment current line (using a special leader to ignore real comments https://www.reddit.com/r/vim/comments/4ootmz/_/d4ehmql)
diff --git a/html/001help.cc.html b/html/001help.cc.html
index 55001a58..13f3c49c 100644
--- a/html/001help.cc.html
+++ b/html/001help.cc.html
@@ -65,7 +65,7 @@ if ('onhashchange' in window) {
 <span id="L2" class="LineNr">  2 </span><span class="Comment">//: This should give you a sense for what to look forward to in later layers.</span>
 <span id="L3" class="LineNr">  3 </span>
 <span id="L4" class="LineNr">  4 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
-<span id="L5" class="LineNr">  5 </span><span class="Normal">if</span> <span class="Delimiter">(</span>argc &lt;= <span class="Constant">1</span> || <a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span>argv[<span class="Constant">1</span>]<span class="Delimiter">,</span> <span class="Constant">&quot;--help&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L5" class="LineNr">  5 </span><span class="Normal">if</span> <span class="Delimiter">(</span>argc &lt;= <span class="Constant">1</span> || <a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>argv[<span class="Constant">1</span>]<span class="Delimiter">,</span> <span class="Constant">&quot;--help&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L6" class="LineNr">  6 </span>  <span class="Comment">//: this is the functionality later layers will provide</span>
 <span id="L7" class="LineNr">  7 </span>  <span class="Comment">// currently no automated tests for commandline arg parsing</span>
 <span id="L8" class="LineNr">  8 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>argc &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -99,223 +99,226 @@ if ('onhashchange' in window) {
 <span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;    mu test directory1 directory2 ...</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;  To pass ingredients to a mu program, provide them after '--':</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L38" class="LineNr"> 38 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;    mu file_or_dir1 file_or_dir2 ... -- ingredient1 ingredient2 ...</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L40" class="LineNr"> 40 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;  To browse a <a href='003trace.cc.html#L161'>trace</a> generated by a previous run:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L41" class="LineNr"> 41 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;    mu browse-trace file</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L42" class="LineNr"> 42 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="Delimiter">;</span>
-<span id="L43" class="LineNr"> 43 </span>  <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">}</span>
-<span id="L45" class="LineNr"> 45 </span>
-<span id="L46" class="LineNr"> 46 </span><span class="Comment">//: Support for option parsing.</span>
-<span id="L47" class="LineNr"> 47 </span><span class="Comment">//: Options always begin with '--' and are always the first arguments. An</span>
-<span id="L48" class="LineNr"> 48 </span><span class="Comment">//: option will never follow a non-option.</span>
-<span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
-<span id="L50" class="LineNr"> 50 </span><span class="Normal">char</span>** arg = &amp;argv[<span class="Constant">1</span>]<span class="Delimiter">;</span>
-<span id="L51" class="LineNr"> 51 </span><span class="Normal">while</span> <span class="Delimiter">(</span>argc &gt; <span class="Constant">1</span> &amp;&amp; <a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L52" class="LineNr"> 52 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span>
-<span id="L53" class="LineNr"> 53 </span>  <span class="Conceal">¦</span> <span class="Delimiter">;</span>  <span class="Comment">// no-op branch just so any further additions can consistently always start with 'else'</span>
-<span id="L54" class="LineNr"> 54 </span>  <span class="Comment">// End Commandline Options(*arg)</span>
-<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">else</span>
-<span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;skipping unknown option &quot;</span> &lt;&lt; *arg &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L57" class="LineNr"> 57 </span>  --argc<span class="Delimiter">;</span>  ++argv<span class="Delimiter">;</span>  ++arg<span class="Delimiter">;</span>
-<span id="L58" class="LineNr"> 58 </span><span class="Delimiter">}</span>
-<span id="L59" class="LineNr"> 59 </span>
-<span id="L60" class="LineNr"> 60 </span><span class="SalientComment">//:: Helper function used by the above fragment of code (and later layers too,</span>
-<span id="L61" class="LineNr"> 61 </span><span class="SalientComment">//:: who knows?).</span>
-<span id="L62" class="LineNr"> 62 </span><span class="Comment">//: The :(code) directive appends function definitions to the end of the</span>
-<span id="L63" class="LineNr"> 63 </span><span class="Comment">//: project. Regardless of where functions are defined, we can call them</span>
-<span id="L64" class="LineNr"> 64 </span><span class="Comment">//: anywhere we like as long as we format the function header in a specific</span>
-<span id="L65" class="LineNr"> 65 </span><span class="Comment">//: way: put it all on a single line without indent, end the line with ') {'</span>
-<span id="L66" class="LineNr"> 66 </span><span class="Comment">//: and no trailing whitespace. As long as functions uniformly start this</span>
-<span id="L67" class="LineNr"> 67 </span><span class="Comment">//: way, our 'build' script contains a little command to automatically</span>
-<span id="L68" class="LineNr"> 68 </span><span class="Comment">//: generate declarations for them.</span>
-<span id="L69" class="LineNr"> 69 </span><span class="Delimiter">:(code)</span>
-<span id="L70" class="LineNr"> 70 </span><span class="Normal">bool</span> <a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span><span class="Normal">char</span>* s<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">char</span>* lit<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L71" class="LineNr"> 71 </span>  <span class="Identifier">return</span> strncmp<span class="Delimiter">(</span>s<span class="Delimiter">,</span> lit<span class="Delimiter">,</span> strlen<span class="Delimiter">(</span>lit<span class="Delimiter">))</span> == <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L72" class="LineNr"> 72 </span><span class="Delimiter">}</span>
-<span id="L73" class="LineNr"> 73 </span>
-<span id="L74" class="LineNr"> 74 </span><span class="Normal">bool</span> <a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; pat<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L75" class="LineNr"> 75 </span>  string::const_iterator a=s<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> b=pat<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>
-<span id="L76" class="LineNr"> 76 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  a!=s<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">()</span> &amp;&amp; b!=pat<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++a<span class="Delimiter">,</span> ++b<span class="Delimiter">)</span>
-<span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*a != *b<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L78" class="LineNr"> 78 </span>  <span class="Identifier">return</span> b == pat<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L79" class="LineNr"> 79 </span><span class="Delimiter">}</span>
-<span id="L80" class="LineNr"> 80 </span>
-<span id="L81" class="LineNr"> 81 </span><span class="Comment">//: I'll throw some style conventions here for want of a better place for them.</span>
-<span id="L82" class="LineNr"> 82 </span><span class="Comment">//: As a rule I hate style guides. Do what you want, that's my motto. But since</span>
-<span id="L83" class="LineNr"> 83 </span><span class="Comment">//: we're dealing with C/C++, the one big thing we want to avoid is undefined</span>
-<span id="L84" class="LineNr"> 84 </span><span class="Comment">//: behavior. If a compiler ever encounters undefined behavior it can make</span>
-<span id="L85" class="LineNr"> 85 </span><span class="Comment">//: your program do anything it wants.</span>
-<span id="L86" class="LineNr"> 86 </span><span class="Comment">//:</span>
-<span id="L87" class="LineNr"> 87 </span><span class="Comment">//: For reference, my checklist of undefined behaviors to watch out for:</span>
-<span id="L88" class="LineNr"> 88 </span><span class="Comment">//:   out-of-bounds access</span>
-<span id="L89" class="LineNr"> 89 </span><span class="Comment">//:   uninitialized variables</span>
-<span id="L90" class="LineNr"> 90 </span><span class="Comment">//:   use after free</span>
-<span id="L91" class="LineNr"> 91 </span><span class="Comment">//:   dereferencing invalid pointers: null, a new of size 0, others</span>
-<span id="L92" class="LineNr"> 92 </span><span class="Comment">//:</span>
-<span id="L93" class="LineNr"> 93 </span><span class="Comment">//:   casting a large number to a type too small to hold it</span>
-<span id="L94" class="LineNr"> 94 </span><span class="Comment">//:</span>
-<span id="L95" class="LineNr"> 95 </span><span class="Comment">//:   integer overflow</span>
-<span id="L96" class="LineNr"> 96 </span><span class="Comment">//:   division by zero and other undefined expressions</span>
-<span id="L97" class="LineNr"> 97 </span><span class="Comment">//:   left-shift by negative count</span>
-<span id="L98" class="LineNr"> 98 </span><span class="Comment">//:   shifting values by more than or equal to the number of bits they contain</span>
-<span id="L99" class="LineNr"> 99 </span><span class="Comment">//:   bitwise operations on signed numbers</span>
-<span id="L100" class="LineNr">100 </span><span class="Comment">//:</span>
-<span id="L101" class="LineNr">101 </span><span class="Comment">//:   Converting pointers to types of different alignment requirements</span>
-<span id="L102" class="LineNr">102 </span><span class="Comment">//:     T* -&gt; void* -&gt; T*: defined</span>
-<span id="L103" class="LineNr">103 </span><span class="Comment">//:     T* -&gt; U* -&gt; T*: defined if non-function pointers and alignment requirements are same</span>
-<span id="L104" class="LineNr">104 </span><span class="Comment">//:     function pointers may be cast to other function pointers</span>
-<span id="L105" class="LineNr">105 </span><span class="Comment">//:</span>
-<span id="L106" class="LineNr">106 </span><span class="Comment">//:       Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast)</span>
-<span id="L107" class="LineNr">107 </span><span class="Comment">//:</span>
-<span id="L108" class="LineNr">108 </span><span class="Comment">//: To guard against these, some conventions:</span>
-<span id="L109" class="LineNr">109 </span><span class="Comment">//:</span>
-<span id="L110" class="LineNr">110 </span><span class="Comment">//: 0. Initialize all primitive variables in functions and constructors.</span>
-<span id="L111" class="LineNr">111 </span><span class="Comment">//:</span>
-<span id="L112" class="LineNr">112 </span><span class="Comment">//: 1. Minimize use of pointers and pointer arithmetic. Avoid 'new' and</span>
-<span id="L113" class="LineNr">113 </span><span class="Comment">//: 'delete' as far as possible. Rely on STL to perform memory management to</span>
-<span id="L114" class="LineNr">114 </span><span class="Comment">//: avoid use-after-free issues (and memory leaks).</span>
-<span id="L115" class="LineNr">115 </span><span class="Comment">//:</span>
-<span id="L116" class="LineNr">116 </span><span class="Comment">//: 2. Avoid naked arrays to avoid out-of-bounds access. Never use operator[]</span>
-<span id="L117" class="LineNr">117 </span><span class="Comment">//: except with map. Use at() with STL vectors and so on.</span>
+<span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;  To see where a mu program is spending its time:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L40" class="LineNr"> 40 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;    mu --profile file_or_dir1 file_or_dir2 ...</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L41" class="LineNr"> 41 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;  this slices and dices time spent in various profile.* output files</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L42" class="LineNr"> 42 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L43" class="LineNr"> 43 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;  To browse a <a href='003trace.cc.html#L161'>trace</a> generated by a previous run:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>&lt;&lt; <span class="Constant">&quot;    mu browse-trace file</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L45" class="LineNr"> 45 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="Delimiter">;</span>
+<span id="L46" class="LineNr"> 46 </span>  <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">}</span>
+<span id="L48" class="LineNr"> 48 </span>
+<span id="L49" class="LineNr"> 49 </span><span class="Comment">//: Support for option parsing.</span>
+<span id="L50" class="LineNr"> 50 </span><span class="Comment">//: Options always begin with '--' and are always the first arguments. An</span>
+<span id="L51" class="LineNr"> 51 </span><span class="Comment">//: option will never follow a non-option.</span>
+<span id="L52" class="LineNr"> 52 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
+<span id="L53" class="LineNr"> 53 </span><span class="Normal">char</span>** arg = &amp;argv[<span class="Constant">1</span>]<span class="Delimiter">;</span>
+<span id="L54" class="LineNr"> 54 </span><span class="Normal">while</span> <span class="Delimiter">(</span>argc &gt; <span class="Constant">1</span> &amp;&amp; <a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span>
+<span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> <span class="Delimiter">;</span>  <span class="Comment">// no-op branch just so any further additions can consistently always start with 'else'</span>
+<span id="L57" class="LineNr"> 57 </span>  <span class="Comment">// End Commandline Options(*arg)</span>
+<span id="L58" class="LineNr"> 58 </span>  <span class="Normal">else</span>
+<span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;skipping unknown option &quot;</span> &lt;&lt; *arg &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L60" class="LineNr"> 60 </span>  --argc<span class="Delimiter">;</span>  ++argv<span class="Delimiter">;</span>  ++arg<span class="Delimiter">;</span>
+<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">}</span>
+<span id="L62" class="LineNr"> 62 </span>
+<span id="L63" class="LineNr"> 63 </span><span class="SalientComment">//:: Helper function used by the above fragment of code (and later layers too,</span>
+<span id="L64" class="LineNr"> 64 </span><span class="SalientComment">//:: who knows?).</span>
+<span id="L65" class="LineNr"> 65 </span><span class="Comment">//: The :(code) directive appends function definitions to the end of the</span>
+<span id="L66" class="LineNr"> 66 </span><span class="Comment">//: project. Regardless of where functions are defined, we can call them</span>
+<span id="L67" class="LineNr"> 67 </span><span class="Comment">//: anywhere we like as long as we format the function header in a specific</span>
+<span id="L68" class="LineNr"> 68 </span><span class="Comment">//: way: put it all on a single line without indent, end the line with ') {'</span>
+<span id="L69" class="LineNr"> 69 </span><span class="Comment">//: and no trailing whitespace. As long as functions uniformly start this</span>
+<span id="L70" class="LineNr"> 70 </span><span class="Comment">//: way, our 'build' script contains a little command to automatically</span>
+<span id="L71" class="LineNr"> 71 </span><span class="Comment">//: generate declarations for them.</span>
+<span id="L72" class="LineNr"> 72 </span><span class="Delimiter">:(code)</span>
+<span id="L73" class="LineNr"> 73 </span><span class="Normal">bool</span> <a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span><span class="Normal">char</span>* s<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">char</span>* lit<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L74" class="LineNr"> 74 </span>  <span class="Identifier">return</span> strncmp<span class="Delimiter">(</span>s<span class="Delimiter">,</span> lit<span class="Delimiter">,</span> strlen<span class="Delimiter">(</span>lit<span class="Delimiter">))</span> == <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L75" class="LineNr"> 75 </span><span class="Delimiter">}</span>
+<span id="L76" class="LineNr"> 76 </span>
+<span id="L77" class="LineNr"> 77 </span><span class="Normal">bool</span> <a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; pat<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L78" class="LineNr"> 78 </span>  string::const_iterator a=s<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> b=pat<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>
+<span id="L79" class="LineNr"> 79 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  a!=s<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">()</span> &amp;&amp; b!=pat<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++a<span class="Delimiter">,</span> ++b<span class="Delimiter">)</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*a != *b<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L81" class="LineNr"> 81 </span>  <span class="Identifier">return</span> b == pat<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L82" class="LineNr"> 82 </span><span class="Delimiter">}</span>
+<span id="L83" class="LineNr"> 83 </span>
+<span id="L84" class="LineNr"> 84 </span><span class="Comment">//: I'll throw some style conventions here for want of a better place for them.</span>
+<span id="L85" class="LineNr"> 85 </span><span class="Comment">//: As a rule I hate style guides. Do what you want, that's my motto. But since</span>
+<span id="L86" class="LineNr"> 86 </span><span class="Comment">//: we're dealing with C/C++, the one big thing we want to avoid is undefined</span>
+<span id="L87" class="LineNr"> 87 </span><span class="Comment">//: behavior. If a compiler ever encounters undefined behavior it can make</span>
+<span id="L88" class="LineNr"> 88 </span><span class="Comment">//: your program do anything it wants.</span>
+<span id="L89" class="LineNr"> 89 </span><span class="Comment">//:</span>
+<span id="L90" class="LineNr"> 90 </span><span class="Comment">//: For reference, my checklist of undefined behaviors to watch out for:</span>
+<span id="L91" class="LineNr"> 91 </span><span class="Comment">//:   out-of-bounds access</span>
+<span id="L92" class="LineNr"> 92 </span><span class="Comment">//:   uninitialized variables</span>
+<span id="L93" class="LineNr"> 93 </span><span class="Comment">//:   use after free</span>
+<span id="L94" class="LineNr"> 94 </span><span class="Comment">//:   dereferencing invalid pointers: null, a new of size 0, others</span>
+<span id="L95" class="LineNr"> 95 </span><span class="Comment">//:</span>
+<span id="L96" class="LineNr"> 96 </span><span class="Comment">//:   casting a large number to a type too small to hold it</span>
+<span id="L97" class="LineNr"> 97 </span><span class="Comment">//:</span>
+<span id="L98" class="LineNr"> 98 </span><span class="Comment">//:   integer overflow</span>
+<span id="L99" class="LineNr"> 99 </span><span class="Comment">//:   division by zero and other undefined expressions</span>
+<span id="L100" class="LineNr">100 </span><span class="Comment">//:   left-shift by negative count</span>
+<span id="L101" class="LineNr">101 </span><span class="Comment">//:   shifting values by more than or equal to the number of bits they contain</span>
+<span id="L102" class="LineNr">102 </span><span class="Comment">//:   bitwise operations on signed numbers</span>
+<span id="L103" class="LineNr">103 </span><span class="Comment">//:</span>
+<span id="L104" class="LineNr">104 </span><span class="Comment">//:   Converting pointers to types of different alignment requirements</span>
+<span id="L105" class="LineNr">105 </span><span class="Comment">//:     T* -&gt; void* -&gt; T*: defined</span>
+<span id="L106" class="LineNr">106 </span><span class="Comment">//:     T* -&gt; U* -&gt; T*: defined if non-function pointers and alignment requirements are same</span>
+<span id="L107" class="LineNr">107 </span><span class="Comment">//:     function pointers may be cast to other function pointers</span>
+<span id="L108" class="LineNr">108 </span><span class="Comment">//:</span>
+<span id="L109" class="LineNr">109 </span><span class="Comment">//:       Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast)</span>
+<span id="L110" class="LineNr">110 </span><span class="Comment">//:</span>
+<span id="L111" class="LineNr">111 </span><span class="Comment">//: To guard against these, some conventions:</span>
+<span id="L112" class="LineNr">112 </span><span class="Comment">//:</span>
+<span id="L113" class="LineNr">113 </span><span class="Comment">//: 0. Initialize all primitive variables in functions and constructors.</span>
+<span id="L114" class="LineNr">114 </span><span class="Comment">//:</span>
+<span id="L115" class="LineNr">115 </span><span class="Comment">//: 1. Minimize use of pointers and pointer arithmetic. Avoid 'new' and</span>
+<span id="L116" class="LineNr">116 </span><span class="Comment">//: 'delete' as far as possible. Rely on STL to perform memory management to</span>
+<span id="L117" class="LineNr">117 </span><span class="Comment">//: avoid use-after-free issues (and memory leaks).</span>
 <span id="L118" class="LineNr">118 </span><span class="Comment">//:</span>
-<span id="L119" class="LineNr">119 </span><span class="Comment">//: 3. Valgrind all the things.</span>
-<span id="L120" class="LineNr">120 </span><span class="Comment">//:</span>
-<span id="L121" class="LineNr">121 </span><span class="Comment">//: 4. Avoid unsigned numbers. Not strictly an undefined-behavior issue, but</span>
-<span id="L122" class="LineNr">122 </span><span class="Comment">//: the extra range doesn't matter, and it's one less confusing category of</span>
-<span id="L123" class="LineNr">123 </span><span class="Comment">//: interaction gotchas to worry about.</span>
-<span id="L124" class="LineNr">124 </span><span class="Comment">//:</span>
-<span id="L125" class="LineNr">125 </span><span class="Comment">//: Corollary: don't use the size() method on containers, since it returns an</span>
-<span id="L126" class="LineNr">126 </span><span class="Comment">//: unsigned and that'll cause warnings about mixing signed and unsigned,</span>
-<span id="L127" class="LineNr">127 </span><span class="Comment">//: yadda-yadda. Instead use this macro below to perform an unsafe cast to</span>
-<span id="L128" class="LineNr">128 </span><span class="Comment">//: signed. We'll just give up immediately if a container's ever too large.</span>
-<span id="L129" class="LineNr">129 </span><span class="Comment">//: Basically, Mu is not concerned about this being a little slower than it</span>
-<span id="L130" class="LineNr">130 </span><span class="Comment">//: could be. (<a href="https://gist.github.com/rygorous/e0f055bfb74e3d5f0af20690759de5a7">https://gist.github.com/rygorous/e0f055bfb74e3d5f0af20690759de5a7</a>)</span>
-<span id="L131" class="LineNr">131 </span><span class="Comment">//:</span>
-<span id="L132" class="LineNr">132 </span><span class="Comment">//: Addendum to corollary: We're going to uniformly use int everywhere, to</span>
-<span id="L133" class="LineNr">133 </span><span class="Comment">//: indicate that we're oblivious to number size, and since Clang on 32-bit</span>
-<span id="L134" class="LineNr">134 </span><span class="Comment">//: platforms doesn't yet support multiplication over 64-bit integers, and</span>
-<span id="L135" class="LineNr">135 </span><span class="Comment">//: since multiplying two integers seems like a more common situation to end</span>
-<span id="L136" class="LineNr">136 </span><span class="Comment">//: up in than integer overflow.</span>
-<span id="L137" class="LineNr">137 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
-<span id="L138" class="LineNr">138 </span><span class="PreProc">#define SIZE(X) (assert((X)</span><span class="Delimiter">.</span><span class="PreProc">size() &lt; (</span><span class="Constant">1LL</span><span class="PreProc">&lt;&lt;(</span><span class="Normal">sizeof</span><span class="PreProc">(</span><span class="Normal">int</span><span class="PreProc">)*</span><span class="Constant">8</span><span class="PreProc">-</span><span class="Constant">2</span><span class="PreProc">)))</span><span class="Delimiter">,</span><span class="PreProc"> </span><span class="Normal">static_cast</span><span class="PreProc">&lt;</span><span class="Normal">int</span><span class="PreProc">&gt;((X)</span><span class="Delimiter">.</span><span class="PreProc">size()))</span>
-<span id="L139" class="LineNr">139 </span>
-<span id="L140" class="LineNr">140 </span><span class="Comment">//: 5. Integer overflow is guarded against at runtime using the -ftrapv flag</span>
-<span id="L141" class="LineNr">141 </span><span class="Comment">//: to the compiler, supported by Clang (GCC version only works sometimes:</span>
-<span id="L142" class="LineNr">142 </span><span class="Comment">//: <a href="http://stackoverflow.com/questions/20851061/how-to-make-gcc-ftrapv-work">http://stackoverflow.com/questions/20851061/how-to-make-gcc-ftrapv-work</a>).</span>
-<span id="L143" class="LineNr">143 </span><span class="Delimiter">:(before &quot;atexit(teardown)&quot;)</span>
-<span id="L144" class="LineNr">144 </span><a href='001help.cc.html#L149'>initialize_signal_handlers</a><span class="Delimiter">();</span>  <span class="Comment">// not always necessary, but doesn't hurt</span>
-<span id="L145" class="LineNr">145 </span><span class="CommentedCode">//? cerr &lt;&lt; INT_MAX+1 &lt;&lt; '\n';  // test overflow</span>
-<span id="L146" class="LineNr">146 </span><span class="CommentedCode">//? assert(false);  // test SIGABRT</span>
-<span id="L147" class="LineNr">147 </span><span class="Delimiter">:(code)</span>
-<span id="L148" class="LineNr">148 </span><span class="Comment">// based on <a href="https://spin.atomicobject.com/2013/01/13/exceptions-stack-traces-c">https://spin.atomicobject.com/2013/01/13/exceptions-stack-traces-c</a></span>
-<span id="L149" class="LineNr">149 </span><span class="Normal">void</span> <a href='001help.cc.html#L149'>initialize_signal_handlers</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L150" class="LineNr">150 </span>  <span class="Normal">struct</span> sigaction action<span class="Delimiter">;</span>
-<span id="L151" class="LineNr">151 </span>  bzero<span class="Delimiter">(</span>&amp;action<span class="Delimiter">,</span> <span class="Normal">sizeof</span><span class="Delimiter">(</span>action<span class="Delimiter">));</span>
-<span id="L152" class="LineNr">152 </span>  action<span class="Delimiter">.</span>sa_sigaction = <a href='001help.cc.html#L157'>dump_and_exit</a><span class="Delimiter">;</span>
-<span id="L153" class="LineNr">153 </span>  sigemptyset<span class="Delimiter">(</span>&amp;action<span class="Delimiter">.</span>sa_mask<span class="Delimiter">);</span>
-<span id="L154" class="LineNr">154 </span>  sigaction<span class="Delimiter">(</span><span class="Constant">SIGABRT</span><span class="Delimiter">,</span> &amp;action<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span>  <span class="Comment">// assert() failure or integer overflow on linux (with -ftrapv)</span>
-<span id="L155" class="LineNr">155 </span>  sigaction<span class="Delimiter">(</span><span class="Constant">SIGILL</span><span class="Delimiter">,</span>  &amp;action<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span>  <span class="Comment">// integer overflow on OS X (with -ftrapv)</span>
-<span id="L156" class="LineNr">156 </span><span class="Delimiter">}</span>
-<span id="L157" class="LineNr">157 </span><span class="Normal">void</span> <a href='001help.cc.html#L157'>dump_and_exit</a><span class="Delimiter">(</span><span class="Normal">int</span> sig<span class="Delimiter">,</span> <a href='001help.cc.html#L255'>unused</a> siginfo_t* dummy1<span class="Delimiter">,</span> <a href='001help.cc.html#L255'>unused</a> <span class="Normal">void</span>* dummy2<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L158" class="LineNr">158 </span>  <span class="Normal">switch</span> <span class="Delimiter">(</span>sig<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L159" class="LineNr">159 </span>  <span class="Conceal">¦</span> <span class="Normal">case</span> <span class="Constant">SIGABRT</span>:
-<span id="L160" class="LineNr">160 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #ifndef __APPLE__</span>
-<span id="L161" class="LineNr">161 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;SIGABRT: might be an integer overflow if it wasn't an assert() failure</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L162" class="LineNr">162 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> _Exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L163" class="LineNr">163 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #endif</span>
-<span id="L164" class="LineNr">164 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L165" class="LineNr">165 </span>  <span class="Conceal">¦</span> <span class="Normal">case</span> <span class="Constant">SIGILL</span>:
-<span id="L166" class="LineNr">166 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #ifdef __APPLE__</span>
-<span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;SIGILL: most likely caused by integer overflow</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L168" class="LineNr">168 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> _Exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L169" class="LineNr">169 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #endif</span>
-<span id="L170" class="LineNr">170 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> <span class="Normal">default</span>:
-<span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L173" class="LineNr">173 </span>  <span class="Delimiter">}</span>
-<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span>
-<span id="L175" class="LineNr">175 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
-<span id="L176" class="LineNr">176 </span><span class="PreProc">#include </span><span class="Constant">&lt;signal.h&gt;</span>
-<span id="L177" class="LineNr">177 </span>
-<span id="L178" class="LineNr">178 </span><span class="Comment">//: For good measure we'll also enable SIGFPE.</span>
-<span id="L179" class="LineNr">179 </span><span class="Delimiter">:(before &quot;atexit(teardown)&quot;)</span>
-<span id="L180" class="LineNr">180 </span><a href='001help.cc.html#L193'>feenableexcept</a><span class="Delimiter">(</span>FE_OVERFLOW | FE_UNDERFLOW<span class="Delimiter">);</span>
-<span id="L181" class="LineNr">181 </span><span class="CommentedCode">//? assert(sizeof(int) == 4 &amp;&amp; sizeof(float) == 4);</span>
-<span id="L182" class="LineNr">182 </span><span class="CommentedCode">//? //                          | exp   |  mantissa</span>
-<span id="L183" class="LineNr">183 </span><span class="CommentedCode">//? int smallest_subnormal = 0b00000000000000000000000000000001;</span>
-<span id="L184" class="LineNr">184 </span><span class="CommentedCode">//? float smallest_subnormal_f = *reinterpret_cast&lt;float*&gt;(&amp;smallest_subnormal);</span>
-<span id="L185" class="LineNr">185 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;ε: &quot; &lt;&lt; smallest_subnormal_f &lt;&lt; '\n';</span>
-<span id="L186" class="LineNr">186 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;ε/2: &quot; &lt;&lt; smallest_subnormal_f/2 &lt;&lt; &quot; (underflow)\n&quot;;  // test SIGFPE</span>
-<span id="L187" class="LineNr">187 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
-<span id="L188" class="LineNr">188 </span><span class="PreProc">#include </span><span class="Constant">&lt;fenv.h&gt;</span>
-<span id="L189" class="LineNr">189 </span><span class="Delimiter">:(code)</span>
-<span id="L190" class="LineNr">190 </span><span class="PreProc">#ifdef __APPLE__</span>
-<span id="L191" class="LineNr">191 </span><span class="Comment">// Public domain polyfill for feenableexcept on OS X</span>
-<span id="L192" class="LineNr">192 </span><span class="Comment">// <a href="http://www-personal.umich.edu/~williams/archive/computation/fe-handling-example.c">http://www-personal.umich.edu/~williams/archive/computation/fe-handling-example.c</a></span>
-<span id="L193" class="LineNr">193 </span><span class="Normal">int</span> <a href='001help.cc.html#L193'>feenableexcept</a> <span class="Delimiter">(</span><span class="Normal">unsigned</span> <span class="Normal">int</span> excepts<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L194" class="LineNr">194 </span>  <span class="Normal">static</span> fenv_t fenv<span class="Delimiter">;</span>
-<span id="L195" class="LineNr">195 </span>  <span class="Normal">unsigned</span> <span class="Normal">int</span> new_excepts = excepts &amp; FE_ALL_EXCEPT<span class="Delimiter">;</span>
-<span id="L196" class="LineNr">196 </span>  <span class="Normal">unsigned</span> <span class="Normal">int</span> old_excepts<span class="Delimiter">;</span>
-<span id="L197" class="LineNr">197 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>fegetenv<span class="Delimiter">(</span>&amp;fenv<span class="Delimiter">))</span> <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L198" class="LineNr">198 </span>  old_excepts = fenv<span class="Delimiter">.</span>__control &amp; FE_ALL_EXCEPT<span class="Delimiter">;</span>
-<span id="L199" class="LineNr">199 </span>  fenv<span class="Delimiter">.</span>__control &amp;= ~new_excepts<span class="Delimiter">;</span>
-<span id="L200" class="LineNr">200 </span>  fenv<span class="Delimiter">.</span>__mxcsr   &amp;= ~<span class="Delimiter">(</span>new_excepts &lt;&lt; <span class="Constant">7</span><span class="Delimiter">);</span>
-<span id="L201" class="LineNr">201 </span>  <span class="Identifier">return</span> fesetenv<span class="Delimiter">(</span>&amp;fenv<span class="Delimiter">)</span> ? -<span class="Constant">1</span> : old_excepts<span class="Delimiter">;</span>
-<span id="L202" class="LineNr">202 </span><span class="Delimiter">}</span>
-<span id="L203" class="LineNr">203 </span><span class="PreProc">#endif</span>
-<span id="L204" class="LineNr">204 </span>
-<span id="L205" class="LineNr">205 </span><span class="Comment">//: 6. Map's operator[] being non-const is fucking evil.</span>
-<span id="L206" class="LineNr">206 </span><span class="Delimiter">:(before &quot;Globals&quot;)</span>  <span class="Comment">// can't generate prototypes for these</span>
-<span id="L207" class="LineNr">207 </span><span class="Comment">// from <a href="http://stackoverflow.com/questions/152643/idiomatic-c-for-reading-from-a-const-map">http://stackoverflow.com/questions/152643/idiomatic-c-for-reading-from-a-const-map</a></span>
-<span id="L208" class="LineNr">208 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type&amp; get<span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L209" class="LineNr">209 </span>  <span class="Normal">typename</span> T::iterator iter<span class="Delimiter">(</span>map<span class="Delimiter">.</span>find<span class="Delimiter">(</span>key<span class="Delimiter">));</span>
-<span id="L210" class="LineNr">210 </span>  assert<span class="Delimiter">(</span>iter != map<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">());</span>
-<span id="L211" class="LineNr">211 </span>  <span class="Identifier">return</span> iter<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
-<span id="L212" class="LineNr">212 </span><span class="Delimiter">}</span>
-<span id="L213" class="LineNr">213 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type <span class="Normal">const</span>&amp; get<span class="Delimiter">(</span><span class="Normal">const</span> T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L214" class="LineNr">214 </span>  <span class="Normal">typename</span> T::const_iterator iter<span class="Delimiter">(</span>map<span class="Delimiter">.</span>find<span class="Delimiter">(</span>key<span class="Delimiter">));</span>
-<span id="L215" class="LineNr">215 </span>  assert<span class="Delimiter">(</span>iter != map<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">());</span>
-<span id="L216" class="LineNr">216 </span>  <span class="Identifier">return</span> iter<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
-<span id="L217" class="LineNr">217 </span><span class="Delimiter">}</span>
-<span id="L218" class="LineNr">218 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type <span class="Normal">const</span>&amp; <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">,</span> <span class="Normal">typename</span> T::mapped_type <span class="Normal">const</span>&amp; value<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L219" class="LineNr">219 </span>  map[key] = value<span class="Delimiter">;</span>
-<span id="L220" class="LineNr">220 </span>  <span class="Identifier">return</span> map[key]<span class="Delimiter">;</span>
-<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span>
-<span id="L222" class="LineNr">222 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">bool</span> contains_key<span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L223" class="LineNr">223 </span>  <span class="Identifier">return</span> map<span class="Delimiter">.</span>find<span class="Delimiter">(</span>key<span class="Delimiter">)</span> != map<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L119" class="LineNr">119 </span><span class="Comment">//: 2. Avoid naked arrays to avoid out-of-bounds access. Never use operator[]</span>
+<span id="L120" class="LineNr">120 </span><span class="Comment">//: except with map. Use at() with STL vectors and so on.</span>
+<span id="L121" class="LineNr">121 </span><span class="Comment">//:</span>
+<span id="L122" class="LineNr">122 </span><span class="Comment">//: 3. Valgrind all the things.</span>
+<span id="L123" class="LineNr">123 </span><span class="Comment">//:</span>
+<span id="L124" class="LineNr">124 </span><span class="Comment">//: 4. Avoid unsigned numbers. Not strictly an undefined-behavior issue, but</span>
+<span id="L125" class="LineNr">125 </span><span class="Comment">//: the extra range doesn't matter, and it's one less confusing category of</span>
+<span id="L126" class="LineNr">126 </span><span class="Comment">//: interaction gotchas to worry about.</span>
+<span id="L127" class="LineNr">127 </span><span class="Comment">//:</span>
+<span id="L128" class="LineNr">128 </span><span class="Comment">//: Corollary: don't use the size() method on containers, since it returns an</span>
+<span id="L129" class="LineNr">129 </span><span class="Comment">//: unsigned and that'll cause warnings about mixing signed and unsigned,</span>
+<span id="L130" class="LineNr">130 </span><span class="Comment">//: yadda-yadda. Instead use this macro below to perform an unsafe cast to</span>
+<span id="L131" class="LineNr">131 </span><span class="Comment">//: signed. We'll just give up immediately if a container's ever too large.</span>
+<span id="L132" class="LineNr">132 </span><span class="Comment">//: Basically, Mu is not concerned about this being a little slower than it</span>
+<span id="L133" class="LineNr">133 </span><span class="Comment">//: could be. (<a href="https://gist.github.com/rygorous/e0f055bfb74e3d5f0af20690759de5a7">https://gist.github.com/rygorous/e0f055bfb74e3d5f0af20690759de5a7</a>)</span>
+<span id="L134" class="LineNr">134 </span><span class="Comment">//:</span>
+<span id="L135" class="LineNr">135 </span><span class="Comment">//: Addendum to corollary: We're going to uniformly use int everywhere, to</span>
+<span id="L136" class="LineNr">136 </span><span class="Comment">//: indicate that we're oblivious to number size, and since Clang on 32-bit</span>
+<span id="L137" class="LineNr">137 </span><span class="Comment">//: platforms doesn't yet support multiplication over 64-bit integers, and</span>
+<span id="L138" class="LineNr">138 </span><span class="Comment">//: since multiplying two integers seems like a more common situation to end</span>
+<span id="L139" class="LineNr">139 </span><span class="Comment">//: up in than integer overflow.</span>
+<span id="L140" class="LineNr">140 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
+<span id="L141" class="LineNr">141 </span><span class="PreProc">#define SIZE(X) (assert((X)</span><span class="Delimiter">.</span><span class="PreProc">size() &lt; (</span><span class="Constant">1LL</span><span class="PreProc">&lt;&lt;(</span><span class="Normal">sizeof</span><span class="PreProc">(</span><span class="Normal">int</span><span class="PreProc">)*</span><span class="Constant">8</span><span class="PreProc">-</span><span class="Constant">2</span><span class="PreProc">)))</span><span class="Delimiter">,</span><span class="PreProc"> </span><span class="Normal">static_cast</span><span class="PreProc">&lt;</span><span class="Normal">int</span><span class="PreProc">&gt;((X)</span><span class="Delimiter">.</span><span class="PreProc">size()))</span>
+<span id="L142" class="LineNr">142 </span>
+<span id="L143" class="LineNr">143 </span><span class="Comment">//: 5. Integer overflow is guarded against at runtime using the -ftrapv flag</span>
+<span id="L144" class="LineNr">144 </span><span class="Comment">//: to the compiler, supported by Clang (GCC version only works sometimes:</span>
+<span id="L145" class="LineNr">145 </span><span class="Comment">//: <a href="http://stackoverflow.com/questions/20851061/how-to-make-gcc-ftrapv-work">http://stackoverflow.com/questions/20851061/how-to-make-gcc-ftrapv-work</a>).</span>
+<span id="L146" class="LineNr">146 </span><span class="Delimiter">:(before &quot;atexit(teardown)&quot;)</span>
+<span id="L147" class="LineNr">147 </span><a href='001help.cc.html#L152'>initialize_signal_handlers</a><span class="Delimiter">();</span>  <span class="Comment">// not always necessary, but doesn't hurt</span>
+<span id="L148" class="LineNr">148 </span><span class="CommentedCode">//? cerr &lt;&lt; INT_MAX+1 &lt;&lt; '\n';  // test overflow</span>
+<span id="L149" class="LineNr">149 </span><span class="CommentedCode">//? assert(false);  // test SIGABRT</span>
+<span id="L150" class="LineNr">150 </span><span class="Delimiter">:(code)</span>
+<span id="L151" class="LineNr">151 </span><span class="Comment">// based on <a href="https://spin.atomicobject.com/2013/01/13/exceptions-stack-traces-c">https://spin.atomicobject.com/2013/01/13/exceptions-stack-traces-c</a></span>
+<span id="L152" class="LineNr">152 </span><span class="Normal">void</span> <a href='001help.cc.html#L152'>initialize_signal_handlers</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L153" class="LineNr">153 </span>  <span class="Normal">struct</span> sigaction action<span class="Delimiter">;</span>
+<span id="L154" class="LineNr">154 </span>  bzero<span class="Delimiter">(</span>&amp;action<span class="Delimiter">,</span> <span class="Normal">sizeof</span><span class="Delimiter">(</span>action<span class="Delimiter">));</span>
+<span id="L155" class="LineNr">155 </span>  action<span class="Delimiter">.</span>sa_sigaction = <a href='001help.cc.html#L160'>dump_and_exit</a><span class="Delimiter">;</span>
+<span id="L156" class="LineNr">156 </span>  sigemptyset<span class="Delimiter">(</span>&amp;action<span class="Delimiter">.</span>sa_mask<span class="Delimiter">);</span>
+<span id="L157" class="LineNr">157 </span>  sigaction<span class="Delimiter">(</span><span class="Constant">SIGABRT</span><span class="Delimiter">,</span> &amp;action<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span>  <span class="Comment">// assert() failure or integer overflow on linux (with -ftrapv)</span>
+<span id="L158" class="LineNr">158 </span>  sigaction<span class="Delimiter">(</span><span class="Constant">SIGILL</span><span class="Delimiter">,</span>  &amp;action<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span>  <span class="Comment">// integer overflow on OS X (with -ftrapv)</span>
+<span id="L159" class="LineNr">159 </span><span class="Delimiter">}</span>
+<span id="L160" class="LineNr">160 </span><span class="Normal">void</span> <a href='001help.cc.html#L160'>dump_and_exit</a><span class="Delimiter">(</span><span class="Normal">int</span> sig<span class="Delimiter">,</span> <a href='001help.cc.html#L258'>unused</a> siginfo_t* dummy1<span class="Delimiter">,</span> <a href='001help.cc.html#L258'>unused</a> <span class="Normal">void</span>* dummy2<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L161" class="LineNr">161 </span>  <span class="Normal">switch</span> <span class="Delimiter">(</span>sig<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L162" class="LineNr">162 </span>  <span class="Conceal">¦</span> <span class="Normal">case</span> <span class="Constant">SIGABRT</span>:
+<span id="L163" class="LineNr">163 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #ifndef __APPLE__</span>
+<span id="L164" class="LineNr">164 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;SIGABRT: might be an integer overflow if it wasn't an assert() failure</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L165" class="LineNr">165 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> _Exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L166" class="LineNr">166 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #endif</span>
+<span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L168" class="LineNr">168 </span>  <span class="Conceal">¦</span> <span class="Normal">case</span> <span class="Constant">SIGILL</span>:
+<span id="L169" class="LineNr">169 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #ifdef __APPLE__</span>
+<span id="L170" class="LineNr">170 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;SIGILL: most likely caused by integer overflow</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> _Exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L172" class="LineNr">172 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> #endif</span>
+<span id="L173" class="LineNr">173 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L174" class="LineNr">174 </span>  <span class="Conceal">¦</span> <span class="Normal">default</span>:
+<span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L176" class="LineNr">176 </span>  <span class="Delimiter">}</span>
+<span id="L177" class="LineNr">177 </span><span class="Delimiter">}</span>
+<span id="L178" class="LineNr">178 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
+<span id="L179" class="LineNr">179 </span><span class="PreProc">#include </span><span class="Constant">&lt;signal.h&gt;</span>
+<span id="L180" class="LineNr">180 </span>
+<span id="L181" class="LineNr">181 </span><span class="Comment">//: For good measure we'll also enable SIGFPE.</span>
+<span id="L182" class="LineNr">182 </span><span class="Delimiter">:(before &quot;atexit(teardown)&quot;)</span>
+<span id="L183" class="LineNr">183 </span><a href='001help.cc.html#L196'>feenableexcept</a><span class="Delimiter">(</span>FE_OVERFLOW | FE_UNDERFLOW<span class="Delimiter">);</span>
+<span id="L184" class="LineNr">184 </span><span class="CommentedCode">//? assert(sizeof(int) == 4 &amp;&amp; sizeof(float) == 4);</span>
+<span id="L185" class="LineNr">185 </span><span class="CommentedCode">//? //                          | exp   |  mantissa</span>
+<span id="L186" class="LineNr">186 </span><span class="CommentedCode">//? int smallest_subnormal = 0b00000000000000000000000000000001;</span>
+<span id="L187" class="LineNr">187 </span><span class="CommentedCode">//? float smallest_subnormal_f = *reinterpret_cast&lt;float*&gt;(&amp;smallest_subnormal);</span>
+<span id="L188" class="LineNr">188 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;ε: &quot; &lt;&lt; smallest_subnormal_f &lt;&lt; '\n';</span>
+<span id="L189" class="LineNr">189 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;ε/2: &quot; &lt;&lt; smallest_subnormal_f/2 &lt;&lt; &quot; (underflow)\n&quot;;  // test SIGFPE</span>
+<span id="L190" class="LineNr">190 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
+<span id="L191" class="LineNr">191 </span><span class="PreProc">#include </span><span class="Constant">&lt;fenv.h&gt;</span>
+<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(code)</span>
+<span id="L193" class="LineNr">193 </span><span class="PreProc">#ifdef __APPLE__</span>
+<span id="L194" class="LineNr">194 </span><span class="Comment">// Public domain polyfill for feenableexcept on OS X</span>
+<span id="L195" class="LineNr">195 </span><span class="Comment">// <a href="http://www-personal.umich.edu/~williams/archive/computation/fe-handling-example.c">http://www-personal.umich.edu/~williams/archive/computation/fe-handling-example.c</a></span>
+<span id="L196" class="LineNr">196 </span><span class="Normal">int</span> <a href='001help.cc.html#L196'>feenableexcept</a> <span class="Delimiter">(</span><span class="Normal">unsigned</span> <span class="Normal">int</span> excepts<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L197" class="LineNr">197 </span>  <span class="Normal">static</span> fenv_t fenv<span class="Delimiter">;</span>
+<span id="L198" class="LineNr">198 </span>  <span class="Normal">unsigned</span> <span class="Normal">int</span> new_excepts = excepts &amp; FE_ALL_EXCEPT<span class="Delimiter">;</span>
+<span id="L199" class="LineNr">199 </span>  <span class="Normal">unsigned</span> <span class="Normal">int</span> old_excepts<span class="Delimiter">;</span>
+<span id="L200" class="LineNr">200 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>fegetenv<span class="Delimiter">(</span>&amp;fenv<span class="Delimiter">))</span> <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L201" class="LineNr">201 </span>  old_excepts = fenv<span class="Delimiter">.</span>__control &amp; FE_ALL_EXCEPT<span class="Delimiter">;</span>
+<span id="L202" class="LineNr">202 </span>  fenv<span class="Delimiter">.</span>__control &amp;= ~new_excepts<span class="Delimiter">;</span>
+<span id="L203" class="LineNr">203 </span>  fenv<span class="Delimiter">.</span>__mxcsr   &amp;= ~<span class="Delimiter">(</span>new_excepts &lt;&lt; <span class="Constant">7</span><span class="Delimiter">);</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Identifier">return</span> fesetenv<span class="Delimiter">(</span>&amp;fenv<span class="Delimiter">)</span> ? -<span class="Constant">1</span> : old_excepts<span class="Delimiter">;</span>
+<span id="L205" class="LineNr">205 </span><span class="Delimiter">}</span>
+<span id="L206" class="LineNr">206 </span><span class="PreProc">#endif</span>
+<span id="L207" class="LineNr">207 </span>
+<span id="L208" class="LineNr">208 </span><span class="Comment">//: 6. Map's operator[] being non-const is fucking evil.</span>
+<span id="L209" class="LineNr">209 </span><span class="Delimiter">:(before &quot;Globals&quot;)</span>  <span class="Comment">// can't generate prototypes for these</span>
+<span id="L210" class="LineNr">210 </span><span class="Comment">// from <a href="http://stackoverflow.com/questions/152643/idiomatic-c-for-reading-from-a-const-map">http://stackoverflow.com/questions/152643/idiomatic-c-for-reading-from-a-const-map</a></span>
+<span id="L211" class="LineNr">211 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type&amp; get<span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L212" class="LineNr">212 </span>  <span class="Normal">typename</span> T::iterator iter<span class="Delimiter">(</span>map<span class="Delimiter">.</span>find<span class="Delimiter">(</span>key<span class="Delimiter">));</span>
+<span id="L213" class="LineNr">213 </span>  assert<span class="Delimiter">(</span>iter != map<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">());</span>
+<span id="L214" class="LineNr">214 </span>  <span class="Identifier">return</span> iter<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
+<span id="L215" class="LineNr">215 </span><span class="Delimiter">}</span>
+<span id="L216" class="LineNr">216 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type <span class="Normal">const</span>&amp; get<span class="Delimiter">(</span><span class="Normal">const</span> T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L217" class="LineNr">217 </span>  <span class="Normal">typename</span> T::const_iterator iter<span class="Delimiter">(</span>map<span class="Delimiter">.</span>find<span class="Delimiter">(</span>key<span class="Delimiter">));</span>
+<span id="L218" class="LineNr">218 </span>  assert<span class="Delimiter">(</span>iter != map<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">());</span>
+<span id="L219" class="LineNr">219 </span>  <span class="Identifier">return</span> iter<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
+<span id="L220" class="LineNr">220 </span><span class="Delimiter">}</span>
+<span id="L221" class="LineNr">221 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type <span class="Normal">const</span>&amp; <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">,</span> <span class="Normal">typename</span> T::mapped_type <span class="Normal">const</span>&amp; value<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L222" class="LineNr">222 </span>  map[key] = value<span class="Delimiter">;</span>
+<span id="L223" class="LineNr">223 </span>  <span class="Identifier">return</span> map[key]<span class="Delimiter">;</span>
 <span id="L224" class="LineNr">224 </span><span class="Delimiter">}</span>
-<span id="L225" class="LineNr">225 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type&amp; <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L226" class="LineNr">226 </span>  <span class="Identifier">return</span> map[key]<span class="Delimiter">;</span>
+<span id="L225" class="LineNr">225 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">bool</span> contains_key<span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L226" class="LineNr">226 </span>  <span class="Identifier">return</span> map<span class="Delimiter">.</span>find<span class="Delimiter">(</span>key<span class="Delimiter">)</span> != map<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L227" class="LineNr">227 </span><span class="Delimiter">}</span>
-<span id="L228" class="LineNr">228 </span><span class="Comment">//: The contract: any container that relies on get_or_insert should never call</span>
-<span id="L229" class="LineNr">229 </span><span class="Comment">//: contains_key.</span>
-<span id="L230" class="LineNr">230 </span>
-<span id="L231" class="LineNr">231 </span><span class="Comment">//: 7. istreams are a royal pain in the arse. You have to be careful about</span>
-<span id="L232" class="LineNr">232 </span><span class="Comment">//: what subclass you try to putback into. You have to watch out for the pesky</span>
-<span id="L233" class="LineNr">233 </span><span class="Comment">//: failbit and badbit. Just avoid eof() and use this helper instead.</span>
-<span id="L234" class="LineNr">234 </span><span class="Delimiter">:(code)</span>
-<span id="L235" class="LineNr">235 </span><span class="Normal">bool</span> <a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L236" class="LineNr">236 </span>  <span class="Identifier">return</span> in &amp;&amp; !in<span class="Delimiter">.</span>eof<span class="Delimiter">();</span>
-<span id="L237" class="LineNr">237 </span><span class="Delimiter">}</span>
-<span id="L238" class="LineNr">238 </span>
-<span id="L239" class="LineNr">239 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
-<span id="L240" class="LineNr">240 </span><span class="PreProc">#include </span><span class="Constant">&lt;assert.h&gt;</span>
+<span id="L228" class="LineNr">228 </span><span class="Normal">template</span>&lt;<span class="Normal">typename</span> T&gt; <span class="Normal">typename</span> T::mapped_type&amp; <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>T&amp; map<span class="Delimiter">,</span> <span class="Normal">typename</span> T::key_type <span class="Normal">const</span>&amp; key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L229" class="LineNr">229 </span>  <span class="Identifier">return</span> map[key]<span class="Delimiter">;</span>
+<span id="L230" class="LineNr">230 </span><span class="Delimiter">}</span>
+<span id="L231" class="LineNr">231 </span><span class="Comment">//: The contract: any container that relies on get_or_insert should never call</span>
+<span id="L232" class="LineNr">232 </span><span class="Comment">//: contains_key.</span>
+<span id="L233" class="LineNr">233 </span>
+<span id="L234" class="LineNr">234 </span><span class="Comment">//: 7. istreams are a royal pain in the arse. You have to be careful about</span>
+<span id="L235" class="LineNr">235 </span><span class="Comment">//: what subclass you try to putback into. You have to watch out for the pesky</span>
+<span id="L236" class="LineNr">236 </span><span class="Comment">//: failbit and badbit. Just avoid eof() and use this helper instead.</span>
+<span id="L237" class="LineNr">237 </span><span class="Delimiter">:(code)</span>
+<span id="L238" class="LineNr">238 </span><span class="Normal">bool</span> <a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L239" class="LineNr">239 </span>  <span class="Identifier">return</span> in &amp;&amp; !in<span class="Delimiter">.</span>eof<span class="Delimiter">();</span>
+<span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
 <span id="L241" class="LineNr">241 </span>
-<span id="L242" class="LineNr">242 </span><span class="PreProc">#include </span><span class="Constant">&lt;iostream&gt;</span>
-<span id="L243" class="LineNr">243 </span><span class="Normal">using</span> std::istream<span class="Delimiter">;</span>
-<span id="L244" class="LineNr">244 </span><span class="Normal">using</span> std::ostream<span class="Delimiter">;</span>
-<span id="L245" class="LineNr">245 </span><span class="Normal">using</span> std::iostream<span class="Delimiter">;</span>
-<span id="L246" class="LineNr">246 </span><span class="Normal">using</span> std::cin<span class="Delimiter">;</span>
-<span id="L247" class="LineNr">247 </span><span class="Normal">using</span> std::cout<span class="Delimiter">;</span>
-<span id="L248" class="LineNr">248 </span><span class="Normal">using</span> std::cerr<span class="Delimiter">;</span>
-<span id="L249" class="LineNr">249 </span><span class="PreProc">#include </span><span class="Constant">&lt;iomanip&gt;</span>
-<span id="L250" class="LineNr">250 </span>
-<span id="L251" class="LineNr">251 </span><span class="PreProc">#include </span><span class="Constant">&lt;string.h&gt;</span>
-<span id="L252" class="LineNr">252 </span><span class="PreProc">#include </span><span class="Constant">&lt;string&gt;</span>
-<span id="L253" class="LineNr">253 </span><span class="Normal">using</span> std::string<span class="Delimiter">;</span>
-<span id="L254" class="LineNr">254 </span>
-<span id="L255" class="LineNr">255 </span><span class="PreProc">#define unused  __attribute__((unused))</span>
+<span id="L242" class="LineNr">242 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
+<span id="L243" class="LineNr">243 </span><span class="PreProc">#include </span><span class="Constant">&lt;assert.h&gt;</span>
+<span id="L244" class="LineNr">244 </span>
+<span id="L245" class="LineNr">245 </span><span class="PreProc">#include </span><span class="Constant">&lt;iostream&gt;</span>
+<span id="L246" class="LineNr">246 </span><span class="Normal">using</span> std::istream<span class="Delimiter">;</span>
+<span id="L247" class="LineNr">247 </span><span class="Normal">using</span> std::ostream<span class="Delimiter">;</span>
+<span id="L248" class="LineNr">248 </span><span class="Normal">using</span> std::iostream<span class="Delimiter">;</span>
+<span id="L249" class="LineNr">249 </span><span class="Normal">using</span> std::cin<span class="Delimiter">;</span>
+<span id="L250" class="LineNr">250 </span><span class="Normal">using</span> std::cout<span class="Delimiter">;</span>
+<span id="L251" class="LineNr">251 </span><span class="Normal">using</span> std::cerr<span class="Delimiter">;</span>
+<span id="L252" class="LineNr">252 </span><span class="PreProc">#include </span><span class="Constant">&lt;iomanip&gt;</span>
+<span id="L253" class="LineNr">253 </span>
+<span id="L254" class="LineNr">254 </span><span class="PreProc">#include </span><span class="Constant">&lt;string.h&gt;</span>
+<span id="L255" class="LineNr">255 </span><span class="PreProc">#include </span><span class="Constant">&lt;string&gt;</span>
+<span id="L256" class="LineNr">256 </span><span class="Normal">using</span> std::string<span class="Delimiter">;</span>
+<span id="L257" class="LineNr">257 </span>
+<span id="L258" class="LineNr">258 </span><span class="PreProc">#define unused  __attribute__((unused))</span>
 </pre>
 </body>
 </html>
diff --git a/html/002test.cc.html b/html/002test.cc.html
index e2ec2aff..0f167395 100644
--- a/html/002test.cc.html
+++ b/html/002test.cc.html
@@ -103,7 +103,7 @@ if ('onhashchange' in window) {
 <span id="L41" class="LineNr"> 41 </span>Passed = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L42" class="LineNr"> 42 </span>
 <span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
-<span id="L44" class="LineNr"> 44 </span><span class="Normal">if</span> <span class="Delimiter">(</span>argc &gt; <span class="Constant">1</span> &amp;&amp; <a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span>argv[<span class="Constant">1</span>]<span class="Delimiter">,</span> <span class="Constant">&quot;test&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L44" class="LineNr"> 44 </span><span class="Normal">if</span> <span class="Delimiter">(</span>argc &gt; <span class="Constant">1</span> &amp;&amp; <a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>argv[<span class="Constant">1</span>]<span class="Delimiter">,</span> <span class="Constant">&quot;test&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L45" class="LineNr"> 45 </span>  Run_tests = <span class="Constant">true</span><span class="Delimiter">;</span>  --argc<span class="Delimiter">;</span>  ++argv<span class="Delimiter">;</span>  <span class="Comment">// shift 'test' out of commandline args</span>
 <span id="L46" class="LineNr"> 46 </span><span class="Delimiter">}</span>
 <span id="L47" class="LineNr"> 47 </span>
diff --git a/html/003trace.cc.html b/html/003trace.cc.html
index fdb88d45..1999dd24 100644
--- a/html/003trace.cc.html
+++ b/html/003trace.cc.html
@@ -245,7 +245,7 @@ if ('onhashchange' in window) {
 <span id="L184" class="LineNr">184 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
 <span id="L185" class="LineNr">185 </span><span class="Normal">struct</span> <a href='003trace.cc.html#L185'>end</a> <span class="Delimiter">{};</span>
 <span id="L186" class="LineNr">186 </span><span class="Delimiter">:(code)</span>
-<span id="L187" class="LineNr">187 </span>ostream&amp; <span class="Normal">operator</span>&lt;&lt;<span class="Delimiter">(</span>ostream&amp; os<span class="Delimiter">,</span> <a href='001help.cc.html#L255'>unused</a> <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L187" class="LineNr">187 </span>ostream&amp; <span class="Normal">operator</span>&lt;&lt;<span class="Delimiter">(</span>ostream&amp; os<span class="Delimiter">,</span> <a href='001help.cc.html#L258'>unused</a> <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L188" class="LineNr">188 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> Trace_stream<span class="Delimiter">-&gt;</span><a href='003trace.cc.html#L127'>newline</a><span class="Delimiter">();</span>
 <span id="L189" class="LineNr">189 </span>  <span class="Identifier">return</span> os<span class="Delimiter">;</span>
 <span id="L190" class="LineNr">190 </span><span class="Delimiter">}</span>
@@ -304,18 +304,18 @@ if ('onhashchange' in window) {
 <span id="L243" class="LineNr">243 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L244" class="LineNr">244 </span>  vector&lt;string&gt; expected_lines = <a href='003trace.cc.html#L331'>split</a><span class="Delimiter">(</span>expected<span class="Delimiter">,</span> <span class="Constant">&quot;^D&quot;</span><span class="Delimiter">);</span>
 <span id="L245" class="LineNr">245 </span>  <span class="Normal">int</span> curr_expected_line = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L246" class="LineNr">246 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr_expected_line &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">)</span> &amp;&amp; expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">).</span>empty<span class="Delimiter">())</span>
+<span id="L246" class="LineNr">246 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr_expected_line &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">)</span> &amp;&amp; expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">).</span>empty<span class="Delimiter">())</span>
 <span id="L247" class="LineNr">247 </span>  <span class="Conceal">¦</span> ++curr_expected_line<span class="Delimiter">;</span>
-<span id="L248" class="LineNr">248 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr_expected_line == <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L248" class="LineNr">248 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr_expected_line == <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L249" class="LineNr">249 </span>  string label<span class="Delimiter">,</span> contents<span class="Delimiter">;</span>
 <span id="L250" class="LineNr">250 </span>  <a href='003trace.cc.html#L273'>split_label_contents</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">),</span> &amp;label<span class="Delimiter">,</span> &amp;contents<span class="Delimiter">);</span>
 <span id="L251" class="LineNr">251 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;trace_line&gt;::iterator p = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L252" class="LineNr">252 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>label != p<span class="Delimiter">-&gt;</span>label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L253" class="LineNr">253 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contents != <a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L254" class="LineNr">254 </span>  <span class="Conceal">¦</span> ++curr_expected_line<span class="Delimiter">;</span>
-<span id="L255" class="LineNr">255 </span>  <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>curr_expected_line &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">)</span> &amp;&amp; expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">).</span>empty<span class="Delimiter">())</span>
+<span id="L255" class="LineNr">255 </span>  <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>curr_expected_line &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">)</span> &amp;&amp; expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">).</span>empty<span class="Delimiter">())</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++curr_expected_line<span class="Delimiter">;</span>
-<span id="L257" class="LineNr">257 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr_expected_line == <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L257" class="LineNr">257 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr_expected_line == <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L258" class="LineNr">258 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L273'>split_label_contents</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">),</span> &amp;label<span class="Delimiter">,</span> &amp;contents<span class="Delimiter">);</span>
 <span id="L259" class="LineNr">259 </span>  <span class="Delimiter">}</span>
 <span id="L260" class="LineNr">260 </span>
@@ -373,7 +373,7 @@ if ('onhashchange' in window) {
 <span id="L312" class="LineNr">312 </span>  <span class="Normal">long</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L313" class="LineNr">313 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;trace_line&gt;::iterator p = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L314" class="LineNr">314 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>label == p<span class="Delimiter">-&gt;</span>label<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L315" class="LineNr">315 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span><a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">),</span> <a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span>prefix<span class="Delimiter">)))</span>
+<span id="L315" class="LineNr">315 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span><a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">),</span> <a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span>prefix<span class="Delimiter">)))</span>
 <span id="L316" class="LineNr">316 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++result<span class="Delimiter">;</span>
 <span id="L317" class="LineNr">317 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L318" class="LineNr">318 </span>  <span class="Delimiter">}</span>
diff --git a/html/010vm.cc.html b/html/010vm.cc.html
index d2b6ed56..6981068a 100644
--- a/html/010vm.cc.html
+++ b/html/010vm.cc.html
@@ -192,27 +192,27 @@ if ('onhashchange' in window) {
 <span id="L128" class="LineNr">128 </span><span class="Delimiter">:(code)</span>
 <span id="L129" class="LineNr">129 </span><span class="Normal">void</span> <a href='010vm.cc.html#L129'>setup_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L130" class="LineNr">130 </span>  Type<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>  Type_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L131" class="LineNr">131 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L131" class="LineNr">131 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L132" class="LineNr">132 </span>  Next_type_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Comment">// Mu Types Initialization</span>
-<span id="L134" class="LineNr">134 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> number = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L135" class="LineNr">135 </span>  <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> number<span class="Delimiter">).</span>name = <span class="Constant">&quot;number&quot;</span><span class="Delimiter">;</span>
-<span id="L136" class="LineNr">136 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;location&quot;</span><span class="Delimiter">,</span> number<span class="Delimiter">);</span>  <span class="Comment">// synonym of number to indicate we only care about its size</span>
-<span id="L137" class="LineNr">137 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> <a href='043space.cc.html#L76'>address</a> = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L138" class="LineNr">138 </span>  <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;address&quot;</span><span class="Delimiter">;</span>
-<span id="L139" class="LineNr">139 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> boolean = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L140" class="LineNr">140 </span>  <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> boolean<span class="Delimiter">).</span>name = <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">;</span>
-<span id="L141" class="LineNr">141 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> character = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L142" class="LineNr">142 </span>  <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> character<span class="Delimiter">).</span>name = <span class="Constant">&quot;character&quot;</span><span class="Delimiter">;</span>
+<span id="L134" class="LineNr">134 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> number = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L135" class="LineNr">135 </span>  <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> number<span class="Delimiter">).</span>name = <span class="Constant">&quot;number&quot;</span><span class="Delimiter">;</span>
+<span id="L136" class="LineNr">136 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;location&quot;</span><span class="Delimiter">,</span> number<span class="Delimiter">);</span>  <span class="Comment">// synonym of number to indicate we only care about its size</span>
+<span id="L137" class="LineNr">137 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> <a href='043space.cc.html#L76'>address</a> = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L138" class="LineNr">138 </span>  <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;address&quot;</span><span class="Delimiter">;</span>
+<span id="L139" class="LineNr">139 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> boolean = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L140" class="LineNr">140 </span>  <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> boolean<span class="Delimiter">).</span>name = <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">;</span>
+<span id="L141" class="LineNr">141 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> character = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L142" class="LineNr">142 </span>  <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> character<span class="Delimiter">).</span>name = <span class="Constant">&quot;character&quot;</span><span class="Delimiter">;</span>
 <span id="L143" class="LineNr">143 </span>  <span class="Comment">// Array types are a special modifier to any other type. For example,</span>
 <span id="L144" class="LineNr">144 </span>  <span class="Comment">// array:number or array:address:boolean.</span>
-<span id="L145" class="LineNr">145 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> array = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L146" class="LineNr">146 </span>  <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> array<span class="Delimiter">).</span>name = <span class="Constant">&quot;array&quot;</span><span class="Delimiter">;</span>
+<span id="L145" class="LineNr">145 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> array = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L146" class="LineNr">146 </span>  <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> array<span class="Delimiter">).</span>name = <span class="Constant">&quot;array&quot;</span><span class="Delimiter">;</span>
 <span id="L147" class="LineNr">147 </span>  <span class="Comment">// End Mu Types Initialization</span>
 <span id="L148" class="LineNr">148 </span><span class="Delimiter">}</span>
 <span id="L149" class="LineNr">149 </span><span class="Normal">void</span> <a href='010vm.cc.html#L149'>teardown_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L150" class="LineNr">150 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt;::iterator p = Type<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Type<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L151" class="LineNr">151 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L151" class="LineNr">151 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L152" class="LineNr">152 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
 <span id="L153" class="LineNr">153 </span>  <span class="Delimiter">}</span>
 <span id="L154" class="LineNr">154 </span>  Type_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
@@ -261,9 +261,9 @@ if ('onhashchange' in window) {
 <span id="L197" class="LineNr">197 </span><span class="Comment">//: what to do for them.</span>
 <span id="L198" class="LineNr">198 </span><span class="Normal">void</span> <a href='010vm.cc.html#L198'>setup_recipes</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L199" class="LineNr">199 </span>  Recipe<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>  Recipe_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L200" class="LineNr">200 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;idle&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L188'>IDLE</a><span class="Delimiter">);</span>
+<span id="L200" class="LineNr">200 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;idle&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L188'>IDLE</a><span class="Delimiter">);</span>
 <span id="L201" class="LineNr">201 </span>  <span class="Comment">// Primitive Recipe Numbers</span>
-<span id="L202" class="LineNr">202 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;copy&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L189'>COPY</a><span class="Delimiter">);</span>
+<span id="L202" class="LineNr">202 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;copy&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L189'>COPY</a><span class="Delimiter">);</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Comment">// End Primitive Recipe Numbers</span>
 <span id="L204" class="LineNr">204 </span><span class="Delimiter">}</span>
 <span id="L205" class="LineNr">205 </span><span class="Comment">//: We could just reset the recipe table after every test, but that gets slow</span>
@@ -274,7 +274,7 @@ if ('onhashchange' in window) {
 <span id="L210" class="LineNr">210 </span><a href='010vm.cc.html#L198'>setup_recipes</a><span class="Delimiter">();</span>
 <span id="L211" class="LineNr">211 </span>assert<span class="Delimiter">(</span><a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a> &lt; <span class="Constant">200</span><span class="Delimiter">);</span>  <span class="Comment">// level 0 is primitives; until 199</span>
 <span id="L212" class="LineNr">212 </span>Next_recipe_ordinal = <span class="Constant">200</span><span class="Delimiter">;</span>
-<span id="L213" class="LineNr">213 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
+<span id="L213" class="LineNr">213 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
 <span id="L214" class="LineNr">214 </span><span class="Comment">// End Load Recipes</span>
 <span id="L215" class="LineNr">215 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
 <span id="L216" class="LineNr">216 </span>assert<span class="Delimiter">(</span>Next_recipe_ordinal &lt; <span class="Constant">1000</span><span class="Delimiter">);</span>  <span class="Comment">// recipes being tested didn't overflow into test space</span>
@@ -361,7 +361,7 @@ if ('onhashchange' in window) {
 <span id="L297" class="LineNr">297 </span><span class="Delimiter">}</span>
 <span id="L298" class="LineNr">298 </span>
 <span id="L299" class="LineNr">299 </span><span class="Normal">void</span> slurp_properties<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> vector&lt;pair&lt;string<span class="Delimiter">,</span> string_tree*&gt; &gt;&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L300" class="LineNr">300 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L300" class="LineNr">300 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L301" class="LineNr">301 </span>  <span class="Conceal">¦</span> istringstream row<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">));</span>
 <span id="L302" class="LineNr">302 </span>  <span class="Conceal">¦</span> row &gt;&gt; std::noskipws<span class="Delimiter">;</span>
 <span id="L303" class="LineNr">303 </span>  <span class="Conceal">¦</span> string key = slurp_until<span class="Delimiter">(</span>row<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
@@ -427,7 +427,7 @@ if ('onhashchange' in window) {
 <span id="L363" class="LineNr">363 </span>  name = other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
 <span id="L364" class="LineNr">364 </span>  value = other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
 <span id="L365" class="LineNr">365 </span>  initialized = other<span class="Delimiter">.</span>initialized<span class="Delimiter">;</span>
-<span id="L366" class="LineNr">366 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L366" class="LineNr">366 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L367" class="LineNr">367 </span>  <span class="Conceal">¦</span> properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)));</span>
 <span id="L368" class="LineNr">368 </span>  <span class="Delimiter">}</span>
 <span id="L369" class="LineNr">369 </span>  type = copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
@@ -538,10 +538,10 @@ if ('onhashchange' in window) {
 <span id="L474" class="LineNr">474 </span>
 <span id="L475" class="LineNr">475 </span>reagent&amp; reagent::<span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; other<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L476" class="LineNr">476 </span>  original_string = other<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
-<span id="L477" class="LineNr">477 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L477" class="LineNr">477 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L478" class="LineNr">478 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Normal">delete</span> properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
 <span id="L479" class="LineNr">479 </span>  properties<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L480" class="LineNr">480 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L480" class="LineNr">480 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L481" class="LineNr">481 </span>  <span class="Conceal">¦</span> properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)));</span>
 <span id="L482" class="LineNr">482 </span>  name = other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
 <span id="L483" class="LineNr">483 </span>  value = other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
@@ -557,7 +557,7 @@ if ('onhashchange' in window) {
 <span id="L493" class="LineNr">493 </span><span class="Delimiter">}</span>
 <span id="L494" class="LineNr">494 </span>
 <span id="L495" class="LineNr">495 </span><span class="Normal">void</span> reagent::<a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L496" class="LineNr">496 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L496" class="LineNr">496 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L497" class="LineNr">497 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L498" class="LineNr">498 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
 <span id="L499" class="LineNr">499 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second = <span class="Constant">NULL</span><span class="Delimiter">;</span>
@@ -609,14 +609,14 @@ if ('onhashchange' in window) {
 <span id="L545" class="LineNr">545 </span><span class="Delimiter">}</span>
 <span id="L546" class="LineNr">546 </span>
 <span id="L547" class="LineNr">547 </span><span class="Normal">bool</span> has_property<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L548" class="LineNr">548 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L548" class="LineNr">548 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L549" class="LineNr">549 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L550" class="LineNr">550 </span>  <span class="Delimiter">}</span>
 <span id="L551" class="LineNr">551 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L552" class="LineNr">552 </span><span class="Delimiter">}</span>
 <span id="L553" class="LineNr">553 </span>
 <span id="L554" class="LineNr">554 </span>string_tree* property<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L555" class="LineNr">555 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> p = <span class="Constant">0</span><span class="Delimiter">;</span>  p != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L555" class="LineNr">555 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> p = <span class="Constant">0</span><span class="Delimiter">;</span>  p != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L556" class="LineNr">556 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span>
 <span id="L557" class="LineNr">557 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
 <span id="L558" class="LineNr">558 </span>  <span class="Delimiter">}</span>
@@ -661,7 +661,7 @@ if ('onhashchange' in window) {
 <span id="L597" class="LineNr">597 </span>string <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L598" class="LineNr">598 </span>  ostringstream out<span class="Delimiter">;</span>
 <span id="L599" class="LineNr">599 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L600" class="LineNr">600 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L600" class="LineNr">600 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L601" class="LineNr">601 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L602" class="LineNr">602 </span>  out &lt;&lt; <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L603" class="LineNr">603 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
@@ -670,7 +670,7 @@ if ('onhashchange' in window) {
 <span id="L606" class="LineNr">606 </span>string to_original_string<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L607" class="LineNr">607 </span>  ostringstream out<span class="Delimiter">;</span>
 <span id="L608" class="LineNr">608 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L609" class="LineNr">609 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L609" class="LineNr">609 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L610" class="LineNr">610 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L611" class="LineNr">611 </span>  out &lt;&lt; <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L612" class="LineNr">612 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
@@ -680,14 +680,14 @@ if ('onhashchange' in window) {
 <span id="L616" class="LineNr">616 </span>  ostringstream out<span class="Delimiter">;</span>
 <span id="L617" class="LineNr">617 </span>  out &lt;&lt; <span class="Constant">&quot;- <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L618" class="LineNr">618 </span>  <span class="Comment">// Begin debug_string(recipe x)</span>
-<span id="L619" class="LineNr">619 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L619" class="LineNr">619 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L620" class="LineNr">620 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = x<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L621" class="LineNr">621 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;inst: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L622" class="LineNr">622 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;  ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L623" class="LineNr">623 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L623" class="LineNr">623 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L624" class="LineNr">624 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;    &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L625" class="LineNr">625 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;  products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L626" class="LineNr">626 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L626" class="LineNr">626 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L627" class="LineNr">627 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;    &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L628" class="LineNr">628 </span>  <span class="Delimiter">}</span>
 <span id="L629" class="LineNr">629 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
@@ -697,14 +697,14 @@ if ('onhashchange' in window) {
 <span id="L633" class="LineNr">633 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">;</span>
 <span id="L634" class="LineNr">634 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>original_string<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
 <span id="L635" class="LineNr">635 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L636" class="LineNr">636 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L636" class="LineNr">636 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L637" class="LineNr">637 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
 <span id="L638" class="LineNr">638 </span>  <span class="Conceal">¦</span> out &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
 <span id="L639" class="LineNr">639 </span>  <span class="Delimiter">}</span>
 <span id="L640" class="LineNr">640 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; &lt;- &quot;</span><span class="Delimiter">;</span>
 <span id="L641" class="LineNr">641 </span>  out &lt;&lt; inst<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
 <span id="L642" class="LineNr">642 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L643" class="LineNr">643 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L643" class="LineNr">643 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L644" class="LineNr">644 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
 <span id="L645" class="LineNr">645 </span>  <span class="Conceal">¦</span> out &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
 <span id="L646" class="LineNr">646 </span>  <span class="Delimiter">}</span>
@@ -714,13 +714,13 @@ if ('onhashchange' in window) {
 <span id="L650" class="LineNr">650 </span>string <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L651" class="LineNr">651 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">;</span>
 <span id="L652" class="LineNr">652 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L653" class="LineNr">653 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L653" class="LineNr">653 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L654" class="LineNr">654 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
 <span id="L655" class="LineNr">655 </span>  <span class="Conceal">¦</span> out &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L656" class="LineNr">656 </span>  <span class="Delimiter">}</span>
 <span id="L657" class="LineNr">657 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; &lt;- &quot;</span><span class="Delimiter">;</span>
 <span id="L658" class="LineNr">658 </span>  out &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L659" class="LineNr">659 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L659" class="LineNr">659 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L660" class="LineNr">660 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
 <span id="L661" class="LineNr">661 </span>  <span class="Conceal">¦</span> out &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L662" class="LineNr">662 </span>  <span class="Delimiter">}</span>
@@ -733,7 +733,7 @@ if ('onhashchange' in window) {
 <span id="L669" class="LineNr">669 </span>  out &lt;&lt; <span class="Constant">&quot;{&quot;</span><span class="Delimiter">;</span>
 <span id="L670" class="LineNr">670 </span>  out &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
 <span id="L671" class="LineNr">671 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L672" class="LineNr">672 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L672" class="LineNr">672 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L673" class="LineNr">673 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">&quot;, </span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">);</span>
 <span id="L674" class="LineNr">674 </span>  <span class="Delimiter">}</span>
 <span id="L675" class="LineNr">675 </span>  out &lt;&lt; <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
@@ -896,7 +896,7 @@ if ('onhashchange' in window) {
 <span id="L832" class="LineNr">832 </span>string trim_floating_point<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L833" class="LineNr">833 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
 <span id="L834" class="LineNr">834 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">'.'</span><span class="Delimiter">)</span> == string::npos<span class="Delimiter">)</span> <span class="Identifier">return</span> in<span class="Delimiter">;</span>
-<span id="L835" class="LineNr">835 </span>  <span class="Normal">int</span> length = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
+<span id="L835" class="LineNr">835 </span>  <span class="Normal">int</span> length = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L836" class="LineNr">836 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>length &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L837" class="LineNr">837 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>length-<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="Constant">'0'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L838" class="LineNr">838 </span>  <span class="Conceal">¦</span> --length<span class="Delimiter">;</span>
diff --git a/html/011load.cc.html b/html/011load.cc.html
index b2bf3015..37a77827 100644
--- a/html/011load.cc.html
+++ b/html/011load.cc.html
@@ -86,7 +86,7 @@ if ('onhashchange' in window) {
 <span id="L22" class="LineNr"> 22 </span>vector&lt;recipe_ordinal&gt; load<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L23" class="LineNr"> 23 </span>  in &gt;&gt; std::noskipws<span class="Delimiter">;</span>
 <span id="L24" class="LineNr"> 24 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
-<span id="L25" class="LineNr"> 25 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L25" class="LineNr"> 25 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L26" class="LineNr"> 26 </span>  <span class="Conceal">¦</span> <a href='011load.cc.html#L209'>skip_whitespace_and_comments</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L28" class="LineNr"> 28 </span>  <span class="Conceal">¦</span> string command = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
@@ -129,7 +129,7 @@ if ('onhashchange' in window) {
 <span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;empty result.name</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L66" class="LineNr"> 66 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- defining &quot;</span> &lt;&lt; result<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">))</span>
-<span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
+<span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Recipe<span class="Delimiter">.</span>find<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">))</span> != Recipe<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;already exists&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011load.cc.html#L378'>should_check_for_redefine</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>name<span class="Delimiter">))</span>
@@ -138,7 +138,7 @@ if ('onhashchange' in window) {
 <span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">}</span>
 <span id="L75" class="LineNr"> 75 </span>  <a href='011load.cc.html#L81'>slurp_body</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> result<span class="Delimiter">);</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Comment">// End Recipe Body(result)</span>
-<span id="L77" class="LineNr"> 77 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">),</span> result<span class="Delimiter">);</span>
+<span id="L77" class="LineNr"> 77 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">),</span> result<span class="Delimiter">);</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Identifier">return</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
 <span id="L79" class="LineNr"> 79 </span><span class="Delimiter">}</span>
 <span id="L80" class="LineNr"> 80 </span>
@@ -166,7 +166,7 @@ if ('onhashchange' in window) {
 <span id="L102" class="LineNr">102 </span>  <span class="Delimiter">}</span>
 <span id="L103" class="LineNr">103 </span>
 <span id="L104" class="LineNr">104 </span>  vector&lt;string&gt; words<span class="Delimiter">;</span>
-<span id="L105" class="LineNr">105 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L105" class="LineNr">105 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L107" class="LineNr">107 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L108" class="LineNr">108 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;incomplete <a href='010vm.cc.html#L19'>recipe</a> at <a href='003trace.cc.html#L185'>end</a> of file (1)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -182,10 +182,10 @@ if ('onhashchange' in window) {
 <span id="L118" class="LineNr">118 </span>  <span class="Conceal">¦</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L119" class="LineNr">119 </span>  <span class="Delimiter">}</span>
 <span id="L120" class="LineNr">120 </span>  <a href='011load.cc.html#L209'>skip_whitespace_and_comments</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L121" class="LineNr">121 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>words<span class="Delimiter">)</span> == <span class="Constant">1</span> &amp;&amp; words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">&quot;]&quot;</span><span class="Delimiter">)</span>
+<span id="L121" class="LineNr">121 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>words<span class="Delimiter">)</span> == <span class="Constant">1</span> &amp;&amp; words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">&quot;]&quot;</span><span class="Delimiter">)</span>
 <span id="L122" class="LineNr">122 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>  <span class="Comment">// end of recipe</span>
 <span id="L123" class="LineNr">123 </span>
-<span id="L124" class="LineNr">124 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>words<span class="Delimiter">)</span> == <span class="Constant">1</span> &amp;&amp; <a href='011load.cc.html#L179'>is_label_word</a><span class="Delimiter">(</span>words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L124" class="LineNr">124 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>words<span class="Delimiter">)</span> == <span class="Constant">1</span> &amp;&amp; <a href='011load.cc.html#L179'>is_label_word</a><span class="Delimiter">(</span>words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L125" class="LineNr">125 </span>  <span class="Conceal">¦</span> curr<span class="Delimiter">-&gt;</span>is_label = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L126" class="LineNr">126 </span>  <span class="Conceal">¦</span> curr<span class="Delimiter">-&gt;</span>label = words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L127" class="LineNr">127 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;label: &quot;</span> &lt;&lt; curr<span class="Delimiter">-&gt;</span>label &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -214,7 +214,7 @@ if ('onhashchange' in window) {
 <span id="L150" class="LineNr">150 </span>  <span class="Conceal">¦</span> curr<span class="Delimiter">-&gt;</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>*p<span class="Delimiter">));</span>
 <span id="L151" class="LineNr">151 </span>
 <span id="L152" class="LineNr">152 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction: &quot;</span> &lt;&lt; curr<span class="Delimiter">-&gt;</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L153" class="LineNr">153 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;  number of ingredients: &quot;</span> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>ingredients<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L153" class="LineNr">153 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;  number of ingredients: &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>ingredients<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L154" class="LineNr">154 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;reagent&gt;::iterator p = curr<span class="Delimiter">-&gt;</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != curr<span class="Delimiter">-&gt;</span>ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
 <span id="L155" class="LineNr">155 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;  ingredient: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>*p<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L156" class="LineNr">156 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;reagent&gt;::iterator p = curr<span class="Delimiter">-&gt;</span>products<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != curr<span class="Delimiter">-&gt;</span>products<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
@@ -256,7 +256,7 @@ if ('onhashchange' in window) {
 <span id="L192" class="LineNr">192 </span><span class="Delimiter">:(code)</span>
 <span id="L193" class="LineNr">193 </span><span class="Normal">void</span> <a href='011load.cc.html#L193'>slurp_word</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L194" class="LineNr">194 </span>  <span class="Normal">char</span> c<span class="Delimiter">;</span>
-<span id="L195" class="LineNr">195 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; Terminators<span class="Delimiter">.</span>find<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">())</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L195" class="LineNr">195 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; Terminators<span class="Delimiter">.</span>find<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">())</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L196" class="LineNr">196 </span>  <span class="Conceal">¦</span> in &gt;&gt; c<span class="Delimiter">;</span>
 <span id="L197" class="LineNr">197 </span>  <span class="Conceal">¦</span> out &lt;&lt; c<span class="Delimiter">;</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
@@ -293,9 +293,9 @@ if ('onhashchange' in window) {
 <span id="L229" class="LineNr">229 </span><span class="Delimiter">}</span>
 <span id="L230" class="LineNr">230 </span>
 <span id="L231" class="LineNr">231 </span><span class="Normal">void</span> <a href='011load.cc.html#L231'>skip_comment</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L232" class="LineNr">232 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L232" class="LineNr">232 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L233" class="LineNr">233 </span>  <span class="Conceal">¦</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
-<span id="L234" class="LineNr">234 </span>  <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
+<span id="L234" class="LineNr">234 </span>  <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
 <span id="L235" class="LineNr">235 </span>  <span class="Delimiter">}</span>
 <span id="L236" class="LineNr">236 </span><span class="Delimiter">}</span>
 <span id="L237" class="LineNr">237 </span>
diff --git a/html/012transform.cc.html b/html/012transform.cc.html
index c22f076a..15690ce3 100644
--- a/html/012transform.cc.html
+++ b/html/012transform.cc.html
@@ -105,7 +105,7 @@ if ('onhashchange' in window) {
 <span id="L46" class="LineNr"> 46 </span><span class="Normal">void</span> <a href='012transform.cc.html#L46'>transform_all</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L47" class="LineNr"> 47 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9990</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;=== transform_all()&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L48" class="LineNr"> 48 </span>  <span class="Comment">// Begin transform_all</span>
-<span id="L49" class="LineNr"> 49 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L49" class="LineNr"> 49 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe&gt;::iterator p = Recipe<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Recipe<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> recipe&amp; r = p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>transformed_until != t-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -135,12 +135,12 @@ if ('onhashchange' in window) {
 <span id="L76" class="LineNr"> 76 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe&gt;::iterator p = Recipe<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Recipe<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> recipe&amp; r = p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L80" class="LineNr"> 80 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> instruction&amp; inst = r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
-<span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L86" class="LineNr"> 86 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L87" class="LineNr"> 87 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
diff --git a/html/013update_operation.cc.html b/html/013update_operation.cc.html
index 437ffbd7..2b818a5d 100644
--- a/html/013update_operation.cc.html
+++ b/html/013update_operation.cc.html
@@ -73,7 +73,7 @@ if ('onhashchange' in window) {
 <span id="L9" class="LineNr"> 9 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- compute <a href='010vm.cc.html#L32'>instruction</a> operations for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L10" class="LineNr">10 </span>  recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L11" class="LineNr">11 </span><span class="CommentedCode">//?   cerr &lt;&lt; &quot;--- compute instruction operations for recipe &quot; &lt;&lt; caller.name &lt;&lt; '\n';</span>
-<span id="L12" class="LineNr">12 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L12" class="LineNr">12 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L13" class="LineNr">13 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L14" class="LineNr">14 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L15" class="LineNr">15 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
diff --git a/html/014literal_string.cc.html b/html/014literal_string.cc.html
index 9648d69b..56185866 100644
--- a/html/014literal_string.cc.html
+++ b/html/014literal_string.cc.html
@@ -83,7 +83,7 @@ if ('onhashchange' in window) {
 <span id="L20" class="LineNr"> 20 </span><span class="traceContains">+parse:   ingredient: {&quot;abc:def/ghi&quot;: &quot;literal-string&quot;}</span>
 <span id="L21" class="LineNr"> 21 </span>
 <span id="L22" class="LineNr"> 22 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L23" class="LineNr"> 23 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L23" class="LineNr"> 23 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L24" class="LineNr"> 24 </span>
 <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before &quot;End <a href='011load.cc.html#L167'>next_word</a> Special-cases&quot;)</span>
 <span id="L26" class="LineNr"> 26 </span><span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -95,7 +95,7 @@ if ('onhashchange' in window) {
 <span id="L32" class="LineNr"> 32 </span><span class="Delimiter">:(code)</span>
 <span id="L33" class="LineNr"> 33 </span>string <a href='014literal_string.cc.html#L33'>slurp_quoted</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L34" class="LineNr"> 34 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L35" class="LineNr"> 35 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">));</span>  assert<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'['</span><span class="Delimiter">);</span>  out &lt;&lt; <span class="Normal">static_cast</span>&lt;<span class="Normal">char</span>&gt;<span class="Delimiter">(</span>in<span class="Delimiter">.</span>get<span class="Delimiter">());</span>  <span class="Comment">// slurp the '['</span>
+<span id="L35" class="LineNr"> 35 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">));</span>  assert<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'['</span><span class="Delimiter">);</span>  out &lt;&lt; <span class="Normal">static_cast</span>&lt;<span class="Normal">char</span>&gt;<span class="Delimiter">(</span>in<span class="Delimiter">.</span>get<span class="Delimiter">());</span>  <span class="Comment">// slurp the '['</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L45'>is_code_string</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> out<span class="Delimiter">))</span>
 <span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span> <a href='014literal_string.cc.html#L82'>slurp_quoted_comment_aware</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
 <span id="L38" class="LineNr"> 38 </span>  <span class="Normal">else</span>
@@ -106,7 +106,7 @@ if ('onhashchange' in window) {
 <span id="L43" class="LineNr"> 43 </span><span class="Comment">// A string is a code string (ignores comments when scanning for matching</span>
 <span id="L44" class="LineNr"> 44 </span><span class="Comment">// brackets) if it contains a newline at the start before any non-whitespace.</span>
 <span id="L45" class="LineNr"> 45 </span><span class="Normal">bool</span> <a href='014literal_string.cc.html#L45'>is_code_string</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L46" class="LineNr"> 46 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L46" class="LineNr"> 46 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L47" class="LineNr"> 47 </span>  <span class="Conceal">¦</span> <span class="Normal">char</span> c = in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
 <span id="L48" class="LineNr"> 48 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!isspace<span class="Delimiter">(</span>c<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> in<span class="Delimiter">.</span>putback<span class="Delimiter">(</span>c<span class="Delimiter">);</span>
@@ -124,7 +124,7 @@ if ('onhashchange' in window) {
 <span id="L61" class="LineNr"> 61 </span><span class="Comment">// strings.</span>
 <span id="L62" class="LineNr"> 62 </span><span class="Normal">void</span> <a href='014literal_string.cc.html#L62'>slurp_quoted_comment_oblivious</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L63" class="LineNr"> 63 </span>  <span class="Normal">int</span> brace_depth = <span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L64" class="LineNr"> 64 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L64" class="LineNr"> 64 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <span class="Normal">char</span> c = in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
 <span id="L66" class="LineNr"> 66 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="cSpecial">'\\'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='014literal_string.cc.html#L148'>slurp_one_past_backslashes</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
@@ -151,7 +151,7 @@ if ('onhashchange' in window) {
 <span id="L88" class="LineNr"> 88 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; c<span class="Delimiter">;</span>
-<span id="L91" class="LineNr"> 91 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Normal">static_cast</span>&lt;<span class="Normal">char</span>&gt;<span class="Delimiter">(</span>in<span class="Delimiter">.</span>get<span class="Delimiter">());</span>
+<span id="L91" class="LineNr"> 91 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Normal">static_cast</span>&lt;<span class="Normal">char</span>&gt;<span class="Delimiter">(</span>in<span class="Delimiter">.</span>get<span class="Delimiter">());</span>
 <span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -168,7 +168,7 @@ if ('onhashchange' in window) {
 <span id="L105" class="LineNr">105 </span><span class="Delimiter">}</span>
 <span id="L106" class="LineNr">106 </span>
 <span id="L107" class="LineNr">107 </span><span class="Delimiter">:(after &quot;Parsing reagent(string s)&quot;)</span>
-<span id="L108" class="LineNr">108 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>s<span class="Delimiter">,</span> <span class="Constant">&quot;[&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L108" class="LineNr">108 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>s<span class="Delimiter">,</span> <span class="Constant">&quot;[&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L109" class="LineNr">109 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>*s<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// unbalanced bracket; handled elsewhere</span>
 <span id="L110" class="LineNr">110 </span>  name = s<span class="Delimiter">;</span>
 <span id="L111" class="LineNr">111 </span>  <span class="Comment">// delete [] delimiters</span>
@@ -205,7 +205,7 @@ if ('onhashchange' in window) {
 <span id="L142" class="LineNr">142 </span><span class="Delimiter">}</span>
 <span id="L143" class="LineNr">143 </span>
 <span id="L144" class="LineNr">144 </span><span class="Normal">void</span> <a href='014literal_string.cc.html#L144'>strip_last</a><span class="Delimiter">(</span>string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L145" class="LineNr">145 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> s<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L145" class="LineNr">145 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> s<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L146" class="LineNr">146 </span><span class="Delimiter">}</span>
 <span id="L147" class="LineNr">147 </span>
 <span id="L148" class="LineNr">148 </span><span class="Normal">void</span> <a href='014literal_string.cc.html#L148'>slurp_one_past_backslashes</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -223,7 +223,7 @@ if ('onhashchange' in window) {
 <span id="L160" class="LineNr">160 </span>  <span class="Comment">// special characters. So Mu doesn't follow C's approach of overloading</span>
 <span id="L161" class="LineNr">161 </span>  <span class="Comment">// backslashes both to escape quote characters and also as a notation for</span>
 <span id="L162" class="LineNr">162 </span>  <span class="Comment">// unprintable characters like '\n'.</span>
-<span id="L163" class="LineNr">163 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L163" class="LineNr">163 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L164" class="LineNr">164 </span>  <span class="Conceal">¦</span> <span class="Normal">char</span> c = in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
 <span id="L165" class="LineNr">165 </span>  <span class="Conceal">¦</span> out &lt;&lt; c<span class="Delimiter">;</span>
 <span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>c != <span class="cSpecial">'\\'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/016dilated_reagent.cc.html b/html/016dilated_reagent.cc.html
index df1b8ee5..69a372fb 100644
--- a/html/016dilated_reagent.cc.html
+++ b/html/016dilated_reagent.cc.html
@@ -157,7 +157,7 @@ if ('onhashchange' in window) {
 <span id="L92" class="LineNr"> 92 </span><span class="Delimiter">}</span>
 <span id="L93" class="LineNr"> 93 </span>
 <span id="L94" class="LineNr"> 94 </span><span class="Delimiter">:(after &quot;Parsing reagent(string s)&quot;)</span>
-<span id="L95" class="LineNr"> 95 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>s<span class="Delimiter">,</span> <span class="Constant">&quot;{&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L95" class="LineNr"> 95 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>s<span class="Delimiter">,</span> <span class="Constant">&quot;{&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L96" class="LineNr"> 96 </span>  assert<span class="Delimiter">(</span>properties<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L97" class="LineNr"> 97 </span>  istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
 <span id="L98" class="LineNr"> 98 </span>  in &gt;&gt; std::noskipws<span class="Delimiter">;</span>
@@ -183,7 +183,7 @@ if ('onhashchange' in window) {
 <span id="L118" class="LineNr">118 </span>  <span class="Conceal">¦</span> type = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>type_names<span class="Delimiter">);</span>
 <span id="L119" class="LineNr">119 </span>  <span class="Conceal">¦</span> <span class="Normal">delete</span> type_names<span class="Delimiter">;</span>
 <span id="L120" class="LineNr">120 </span>  <span class="Delimiter">}</span>
-<span id="L121" class="LineNr">121 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L121" class="LineNr">121 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L122" class="LineNr">122 </span>  <span class="Conceal">¦</span> string key = <a href='016dilated_reagent.cc.html#L139'>slurp_key</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L123" class="LineNr">123 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L124" class="LineNr">124 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key == <span class="Constant">&quot;}&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
diff --git a/html/017parse_tree.cc.html b/html/017parse_tree.cc.html
index adfb24b3..0ef894da 100644
--- a/html/017parse_tree.cc.html
+++ b/html/017parse_tree.cc.html
@@ -123,7 +123,7 @@ if ('onhashchange' in window) {
 <span id="L59" class="LineNr"> 59 </span>  string_tree** curr = &amp;result<span class="Delimiter">;</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L61" class="LineNr"> 61 </span>  <span class="Conceal">¦</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">));</span>
+<span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">));</span>
 <span id="L63" class="LineNr"> 63 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">')'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Conceal">¦</span> *curr = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span>
 <span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'('</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
diff --git a/html/018type_abbreviations.cc.html b/html/018type_abbreviations.cc.html
index b6550542..a8bd1152 100644
--- a/html/018type_abbreviations.cc.html
+++ b/html/018type_abbreviations.cc.html
@@ -86,13 +86,13 @@ if ('onhashchange' in window) {
 <span id="L21" class="LineNr"> 21 </span><span class="Delimiter">:(code)</span>
 <span id="L22" class="LineNr"> 22 </span><span class="Normal">void</span> <a href='018type_abbreviations.cc.html#L22'>load_type_abbreviations</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L23" class="LineNr"> 23 </span>  string new_type_name = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L24" class="LineNr"> 24 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> || !new_type_name<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
+<span id="L24" class="LineNr"> 24 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> || !new_type_name<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L25" class="LineNr"> 25 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">)</span> || new_type_name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L26" class="LineNr"> 26 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;incomplete 'type' statement; must be of the form 'type &lt;new type name&gt; = &lt;type expression&gt;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L28" class="LineNr"> 28 </span>  <span class="Delimiter">}</span>
 <span id="L29" class="LineNr"> 29 </span>  string arrow = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L30" class="LineNr"> 30 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> || !arrow<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
+<span id="L30" class="LineNr"> 30 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> || !arrow<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L31" class="LineNr"> 31 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>arrow<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L32" class="LineNr"> 32 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;incomplete 'type' statement 'type &quot;</span> &lt;&lt; new_type_name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L33" class="LineNr"> 33 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
@@ -117,11 +117,11 @@ if ('onhashchange' in window) {
 <span id="L52" class="LineNr"> 52 </span>  <span class="Delimiter">}</span>
 <span id="L53" class="LineNr"> 53 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9990</span><span class="Delimiter">,</span> <span class="Constant">&quot;type&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;alias &quot;</span> &lt;&lt; new_type_name &lt;&lt; <span class="Constant">&quot; = &quot;</span> &lt;&lt; old &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L54" class="LineNr"> 54 </span>  type_tree* old_type = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>old<span class="Delimiter">);</span>
-<span id="L55" class="LineNr"> 55 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> new_type_name<span class="Delimiter">,</span> old_type<span class="Delimiter">);</span>
+<span id="L55" class="LineNr"> 55 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> new_type_name<span class="Delimiter">,</span> old_type<span class="Delimiter">);</span>
 <span id="L56" class="LineNr"> 56 </span><span class="Delimiter">}</span>
 <span id="L57" class="LineNr"> 57 </span>
 <span id="L58" class="LineNr"> 58 </span>type_tree* <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L59" class="LineNr"> 59 </span>  string_tree* type_names = <a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;(&quot;</span><span class="Delimiter">)</span> ? parse_string_tree<span class="Delimiter">(</span>x<span class="Delimiter">)</span> : <a href='018type_abbreviations.cc.html#L66'>parse_string_list</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L59" class="LineNr"> 59 </span>  string_tree* type_names = <a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;(&quot;</span><span class="Delimiter">)</span> ? parse_string_tree<span class="Delimiter">(</span>x<span class="Delimiter">)</span> : <a href='018type_abbreviations.cc.html#L66'>parse_string_list</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
 <span id="L60" class="LineNr"> 60 </span>  type_tree* result = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>type_names<span class="Delimiter">);</span>
 <span id="L61" class="LineNr"> 61 </span>  <span class="Normal">delete</span> type_names<span class="Delimiter">;</span>
 <span id="L62" class="LineNr"> 62 </span>  expand_type_abbreviations<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
@@ -188,11 +188,11 @@ if ('onhashchange' in window) {
 <span id="L123" class="LineNr">123 </span><span class="SalientComment">//:: A few default abbreviations.</span>
 <span id="L124" class="LineNr">124 </span>
 <span id="L125" class="LineNr">125 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L126" class="LineNr">126 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;&amp;&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address&quot;</span><span class="Delimiter">));</span>
-<span id="L127" class="LineNr">127 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;@&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;array&quot;</span><span class="Delimiter">));</span>
-<span id="L128" class="LineNr">128 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;num&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;number&quot;</span><span class="Delimiter">));</span>
-<span id="L129" class="LineNr">129 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;bool&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">));</span>
-<span id="L130" class="LineNr">130 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;char&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;character&quot;</span><span class="Delimiter">));</span>
+<span id="L126" class="LineNr">126 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;&amp;&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address&quot;</span><span class="Delimiter">));</span>
+<span id="L127" class="LineNr">127 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;@&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;array&quot;</span><span class="Delimiter">));</span>
+<span id="L128" class="LineNr">128 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;num&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;number&quot;</span><span class="Delimiter">));</span>
+<span id="L129" class="LineNr">129 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;bool&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">));</span>
+<span id="L130" class="LineNr">130 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;char&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;character&quot;</span><span class="Delimiter">));</span>
 <span id="L131" class="LineNr">131 </span>
 <span id="L132" class="LineNr">132 </span><span class="Delimiter">:(scenario use_type_abbreviations_when_declaring_type_abbreviations)</span>
 <span id="L133" class="LineNr">133 </span><span class="muData">type</span> foo = &amp;:num
@@ -234,14 +234,14 @@ if ('onhashchange' in window) {
 <span id="L169" class="LineNr">169 </span>
 <span id="L170" class="LineNr">170 </span><span class="Normal">void</span> expand_type_abbreviations<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L171" class="LineNr">171 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- expand type abbreviations in <a href='010vm.cc.html#L19'>recipe</a> '&quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L172" class="LineNr">172 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L172" class="LineNr">172 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L173" class="LineNr">173 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L174" class="LineNr">174 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> expand_type_abbreviations<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient type after expanding abbreviations: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L178" class="LineNr">178 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L180" class="LineNr">180 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> expand_type_abbreviations<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L181" class="LineNr">181 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product type after expanding abbreviations: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L182" class="LineNr">182 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
diff --git a/html/020run.cc.html b/html/020run.cc.html
index 34b32b44..8ecbabcc 100644
--- a/html/020run.cc.html
+++ b/html/020run.cc.html
@@ -131,14 +131,14 @@ if ('onhashchange' in window) {
 <span id="L64" class="LineNr"> 64 </span>  <span class="Conceal">¦</span> <span class="Comment">// Running One Instruction</span>
 <span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>is_label<span class="Delimiter">)</span> <span class="Delimiter">{</span> ++current_step_index<span class="Delimiter">();</span>  <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Delimiter">}</span>
 <span id="L66" class="LineNr"> 66 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span>Initial_callstack_depth + Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;something wrote to location 0; this should never happen</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Comment">// read all ingredients from memory, each potentially spanning multiple locations</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> vector&lt;vector&lt;<span class="Normal">double</span>&gt; &gt; ingredients<span class="Delimiter">;</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>should_copy_ingredients<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)));</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> <span class="Comment">// instructions below will write to 'products'</span>
@@ -163,11 +163,11 @@ if ('onhashchange' in window) {
 <span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> <span class="Comment">//: used by a later layer</span>
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>write_products<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Writing_products_of_instruction = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L99" class="LineNr"> 99 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;: failed to write to all products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L99" class="LineNr"> 99 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;: failed to write to all products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> write_memory<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L105" class="LineNr">105 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Writing_products_of_instruction = <span class="Constant">false</span><span class="Delimiter">;</span>
@@ -223,7 +223,7 @@ if ('onhashchange' in window) {
 <span id="L156" class="LineNr">156 </span>
 <span id="L157" class="LineNr">157 </span><span class="Comment">//: hook replaced in a later layer</span>
 <span id="L158" class="LineNr">158 </span><span class="Normal">bool</span> routine::completed<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
-<span id="L159" class="LineNr">159 </span>  <span class="Identifier">return</span> running_step_index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>
+<span id="L159" class="LineNr">159 </span>  <span class="Identifier">return</span> running_step_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>
 <span id="L160" class="LineNr">160 </span><span class="Delimiter">}</span>
 <span id="L161" class="LineNr">161 </span>
 <span id="L162" class="LineNr">162 </span><span class="Comment">//: hook replaced in a later layer</span>
@@ -254,7 +254,7 @@ if ('onhashchange' in window) {
 <span id="L187" class="LineNr">187 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>argc &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L188" class="LineNr">188 </span>  <span class="Conceal">¦</span> <span class="Comment">// ignore argv past '--'; that's commandline args for 'main'</span>
 <span id="L189" class="LineNr">189 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>string<span class="Delimiter">(</span>*argv<span class="Delimiter">)</span> == <span class="Constant">&quot;--&quot;</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L190" class="LineNr">190 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>*argv<span class="Delimiter">,</span> <span class="Constant">&quot;--&quot;</span><span class="Delimiter">))</span>
+<span id="L190" class="LineNr">190 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>*argv<span class="Delimiter">,</span> <span class="Constant">&quot;--&quot;</span><span class="Delimiter">))</span>
 <span id="L191" class="LineNr">191 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;treating &quot;</span> &lt;&lt; *argv &lt;&lt; <span class="Constant">&quot; as a file rather than an option</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L192" class="LineNr">192 </span>  <span class="Conceal">¦</span> load_file_or_directory<span class="Delimiter">(</span>*argv<span class="Delimiter">);</span>
 <span id="L193" class="LineNr">193 </span>  <span class="Conceal">¦</span> --argc<span class="Delimiter">;</span>
@@ -295,7 +295,7 @@ if ('onhashchange' in window) {
 <span id="L228" class="LineNr">228 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
 <span id="L229" class="LineNr">229 </span><span class="Normal">bool</span> Start_tracing = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L230" class="LineNr">230 </span><span class="Delimiter">:(before &quot;End Commandline Options(*arg)&quot;)</span>
-<span id="L231" class="LineNr">231 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--trace&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L231" class="LineNr">231 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--trace&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L232" class="LineNr">232 </span>  Start_tracing = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L233" class="LineNr">233 </span><span class="Delimiter">}</span>
 <span id="L234" class="LineNr">234 </span>
@@ -363,7 +363,7 @@ if ('onhashchange' in window) {
 <span id="L296" class="LineNr">296 </span>  <span class="Comment">// End Preprocess read_memory(x)</span>
 <span id="L297" class="LineNr">297 </span>  <span class="Normal">int</span> size = size_of<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
 <span id="L298" class="LineNr">298 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> offset = <span class="Constant">0</span><span class="Delimiter">;</span>  offset &lt; size<span class="Delimiter">;</span>  ++offset<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L299" class="LineNr">299 </span>  <span class="Conceal">¦</span> <span class="Normal">double</span> val = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value+offset<span class="Delimiter">);</span>
+<span id="L299" class="LineNr">299 </span>  <span class="Conceal">¦</span> <span class="Normal">double</span> val = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value+offset<span class="Delimiter">);</span>
 <span id="L300" class="LineNr">300 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value+offset &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>val<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L301" class="LineNr">301 </span>  <span class="Conceal">¦</span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>val<span class="Delimiter">);</span>
 <span id="L302" class="LineNr">302 </span>  <span class="Delimiter">}</span>
@@ -385,14 +385,14 @@ if ('onhashchange' in window) {
 <span id="L318" class="LineNr">318 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L319" class="LineNr">319 </span>  <span class="Delimiter">}</span>
 <span id="L320" class="LineNr">320 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>size_mismatch<span class="Delimiter">(</span>x<span class="Delimiter">,</span> data<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L321" class="LineNr">321 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;size mismatch in storing to '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' (&quot;</span> &lt;&lt; size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;) at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L321" class="LineNr">321 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;size mismatch in storing to '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' (&quot;</span> &lt;&lt; size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;) at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L323" class="LineNr">323 </span>  <span class="Delimiter">}</span>
 <span id="L324" class="LineNr">324 </span>  <span class="Comment">// End write_memory(x) Special-cases</span>
-<span id="L325" class="LineNr">325 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> offset = <span class="Constant">0</span><span class="Delimiter">;</span>  offset &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>  ++offset<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L325" class="LineNr">325 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> offset = <span class="Constant">0</span><span class="Delimiter">;</span>  offset &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>  ++offset<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L326" class="LineNr">326 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>x<span class="Delimiter">.</span>value+offset &gt; <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L327" class="LineNr">327 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value+offset &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L328" class="LineNr">328 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value+offset<span class="Delimiter">,</span> data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">));</span>
+<span id="L328" class="LineNr">328 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value+offset<span class="Delimiter">,</span> data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">));</span>
 <span id="L329" class="LineNr">329 </span>  <span class="Delimiter">}</span>
 <span id="L330" class="LineNr">330 </span><span class="Delimiter">}</span>
 <span id="L331" class="LineNr">331 </span>
@@ -425,7 +425,7 @@ if ('onhashchange' in window) {
 <span id="L358" class="LineNr">358 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L359" class="LineNr">359 </span>  <span class="Comment">// End size_mismatch(x) Special-cases</span>
 <span id="L360" class="LineNr">360 </span><span class="CommentedCode">//?   if (size_of(x) != SIZE(data)) cerr &lt;&lt; size_of(x) &lt;&lt; &quot; vs &quot; &lt;&lt; SIZE(data) &lt;&lt; '\n';</span>
-<span id="L361" class="LineNr">361 </span>  <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>
+<span id="L361" class="LineNr">361 </span>  <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>
 <span id="L362" class="LineNr">362 </span><span class="Delimiter">}</span>
 <span id="L363" class="LineNr">363 </span>
 <span id="L364" class="LineNr">364 </span><span class="Normal">bool</span> is_literal<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -438,10 +438,10 @@ if ('onhashchange' in window) {
 <span id="L371" class="LineNr">371 </span><span class="Delimiter">}</span>
 <span id="L372" class="LineNr">372 </span>
 <span id="L373" class="LineNr">373 </span><span class="Normal">bool</span> scalar<span class="Delimiter">(</span><span class="Normal">const</span> vector&lt;<span class="Normal">int</span>&gt;&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L374" class="LineNr">374 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L374" class="LineNr">374 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L375" class="LineNr">375 </span><span class="Delimiter">}</span>
 <span id="L376" class="LineNr">376 </span><span class="Normal">bool</span> scalar<span class="Delimiter">(</span><span class="Normal">const</span> vector&lt;<span class="Normal">double</span>&gt;&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L377" class="LineNr">377 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L377" class="LineNr">377 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L378" class="LineNr">378 </span><span class="Delimiter">}</span>
 <span id="L379" class="LineNr">379 </span>
 <span id="L380" class="LineNr">380 </span><span class="Comment">// helper for tests</span>
@@ -521,7 +521,7 @@ if ('onhashchange' in window) {
 <span id="L454" class="LineNr">454 </span><span class="Comment">// So far that happens in tests, and in `run-sandboxed` in a later layer.</span>
 <span id="L455" class="LineNr">455 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> <span class="Normal">int</span>&gt; Instructions_running<span class="Delimiter">;</span>
 <span id="L456" class="LineNr">456 </span><span class="Delimiter">:(before &quot;End Commandline Options(*arg)&quot;)</span>
-<span id="L457" class="LineNr">457 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--profile&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L457" class="LineNr">457 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--profile&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L458" class="LineNr">458 </span>  Run_profiler = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L459" class="LineNr">459 </span><span class="Delimiter">}</span>
 <span id="L460" class="LineNr">460 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
diff --git a/html/021check_instruction.cc.html b/html/021check_instruction.cc.html
index 07182373..eea25c66 100644
--- a/html/021check_instruction.cc.html
+++ b/html/021check_instruction.cc.html
@@ -78,17 +78,17 @@ if ('onhashchange' in window) {
 <span id="L15" class="LineNr"> 15 </span><span class="Normal">void</span> <a href='021check_instruction.cc.html#L15'>check_instruction</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L16" class="LineNr"> 16 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- perform checks for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L17" class="LineNr"> 17 </span>  map&lt;string<span class="Delimiter">,</span> vector&lt;type_ordinal&gt; &gt; metadata<span class="Delimiter">;</span>
-<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L19" class="LineNr"> 19 </span>  <span class="Conceal">¦</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L20" class="LineNr"> 20 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L21" class="LineNr"> 21 </span>  <span class="Conceal">¦</span> <span class="Normal">switch</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L22" class="LineNr"> 22 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// Primitive Recipe Checks</span>
 <span id="L23" class="LineNr"> 23 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">case</span> <a href='010vm.cc.html#L189'>COPY</a>: <span class="Delimiter">{</span>
-<span id="L24" class="LineNr"> 24 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L24" class="LineNr"> 24 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L25" class="LineNr"> 25 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;too many products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L26" class="LineNr"> 26 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L28" class="LineNr"> 28 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L28" class="LineNr"> 28 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L30" class="LineNr"> 30 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;can't copy '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' to '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'; types don't match</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L31" class="LineNr"> 31 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
@@ -230,7 +230,7 @@ if ('onhashchange' in window) {
 <span id="L167" class="LineNr">167 </span><span class="Delimiter">}</span>
 <span id="L168" class="LineNr">168 </span>
 <span id="L169" class="LineNr">169 </span><span class="Normal">void</span> <a href='021check_instruction.cc.html#L169'>test_type_abbreviations_match_raw_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L170" class="LineNr">170 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;text&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:character&quot;</span><span class="Delimiter">));</span>
+<span id="L170" class="LineNr">170 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;text&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:character&quot;</span><span class="Delimiter">));</span>
 <span id="L171" class="LineNr">171 </span>  <span class="Comment">// a has type (address buffer (address array character))</span>
 <span id="L172" class="LineNr">172 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L76'>address</a>:buffer:text&quot;</span><span class="Delimiter">);</span>
 <span id="L173" class="LineNr">173 </span>  expand_type_abbreviations<span class="Delimiter">(</span>a<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
@@ -238,7 +238,7 @@ if ('onhashchange' in window) {
 <span id="L175" class="LineNr">175 </span>  reagent b<span class="Delimiter">(</span><span class="Constant">&quot;b:<a href='043space.cc.html#L76'>address</a>:buffer:<a href='043space.cc.html#L76'>address</a>:array:character&quot;</span><span class="Delimiter">);</span>
 <span id="L176" class="LineNr">176 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>types_strictly_match<span class="Delimiter">(</span>a<span class="Delimiter">,</span> b<span class="Delimiter">));</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Normal">delete</span> Type_abbreviations[<span class="Constant">&quot;text&quot;</span>]<span class="Delimiter">;</span>
-<span id="L178" class="LineNr">178 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;text&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span>
+<span id="L178" class="LineNr">178 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;text&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span>
 <span id="L179" class="LineNr">179 </span><span class="Delimiter">}</span>
 <span id="L180" class="LineNr">180 </span>
 <span id="L181" class="LineNr">181 </span><span class="Comment">//: helpers</span>
diff --git a/html/022arithmetic.cc.html b/html/022arithmetic.cc.html
index 7255aaa9..34f93c67 100644
--- a/html/022arithmetic.cc.html
+++ b/html/022arithmetic.cc.html
@@ -67,17 +67,17 @@ if ('onhashchange' in window) {
 <span id="L3" class="LineNr">  3 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L4" class="LineNr">  4 </span>ADD<span class="Delimiter">,</span>
 <span id="L5" class="LineNr">  5 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;add&quot;</span><span class="Delimiter">,</span> ADD<span class="Delimiter">);</span>
+<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;add&quot;</span><span class="Delimiter">,</span> ADD<span class="Delimiter">);</span>
 <span id="L7" class="LineNr">  7 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L8" class="LineNr">  8 </span><span class="Normal">case</span> ADD: <span class="Delimiter">{</span>
 <span id="L9" class="LineNr">  9 </span>  <span class="Comment">// primary goal of these checks is to forbid address arithmetic</span>
-<span id="L10" class="LineNr"> 10 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L10" class="LineNr"> 10 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L11" class="LineNr"> 11 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L12" class="LineNr"> 12 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'add' requires number ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L13" class="LineNr"> 13 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L14" class="LineNr"> 14 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L15" class="LineNr"> 15 </span>  <span class="Delimiter">}</span>
-<span id="L16" class="LineNr"> 16 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L16" class="LineNr"> 16 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L17" class="LineNr"> 17 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'add' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L18" class="LineNr"> 18 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L19" class="LineNr"> 19 </span>  <span class="Delimiter">}</span>
@@ -90,7 +90,7 @@ if ('onhashchange' in window) {
 <span id="L26" class="LineNr"> 26 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L27" class="LineNr"> 27 </span><span class="Normal">case</span> ADD: <span class="Delimiter">{</span>
 <span id="L28" class="LineNr"> 28 </span>  <span class="Normal">double</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L29" class="LineNr"> 29 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L29" class="LineNr"> 29 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L30" class="LineNr"> 30 </span>  <span class="Conceal">¦</span> result += ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L31" class="LineNr"> 31 </span>  <span class="Delimiter">}</span>
 <span id="L32" class="LineNr"> 32 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
@@ -135,21 +135,21 @@ if ('onhashchange' in window) {
 <span id="L71" class="LineNr"> 71 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L72" class="LineNr"> 72 </span>SUBTRACT<span class="Delimiter">,</span>
 <span id="L73" class="LineNr"> 73 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L74" class="LineNr"> 74 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;subtract&quot;</span><span class="Delimiter">,</span> SUBTRACT<span class="Delimiter">);</span>
+<span id="L74" class="LineNr"> 74 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;subtract&quot;</span><span class="Delimiter">,</span> SUBTRACT<span class="Delimiter">);</span>
 <span id="L75" class="LineNr"> 75 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L76" class="LineNr"> 76 </span><span class="Normal">case</span> SUBTRACT: <span class="Delimiter">{</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'subtract' has no ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L80" class="LineNr"> 80 </span>  <span class="Delimiter">}</span>
-<span id="L81" class="LineNr"> 81 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L81" class="LineNr"> 81 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='022arithmetic.cc.html#L108'>is_raw</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// permit address offset computations in tests</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'subtract' requires number ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L86" class="LineNr"> 86 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L87" class="LineNr"> 87 </span>  <span class="Delimiter">}</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L88" class="LineNr"> 88 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'subtract' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Delimiter">}</span>
@@ -162,7 +162,7 @@ if ('onhashchange' in window) {
 <span id="L98" class="LineNr"> 98 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L99" class="LineNr"> 99 </span><span class="Normal">case</span> SUBTRACT: <span class="Delimiter">{</span>
 <span id="L100" class="LineNr">100 </span>  <span class="Normal">double</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L101" class="LineNr">101 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L101" class="LineNr">101 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> result -= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L103" class="LineNr">103 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L104" class="LineNr">104 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
@@ -196,16 +196,16 @@ if ('onhashchange' in window) {
 <span id="L132" class="LineNr">132 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L133" class="LineNr">133 </span>MULTIPLY<span class="Delimiter">,</span>
 <span id="L134" class="LineNr">134 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L135" class="LineNr">135 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;multiply&quot;</span><span class="Delimiter">,</span> MULTIPLY<span class="Delimiter">);</span>
+<span id="L135" class="LineNr">135 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;multiply&quot;</span><span class="Delimiter">,</span> MULTIPLY<span class="Delimiter">);</span>
 <span id="L136" class="LineNr">136 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L137" class="LineNr">137 </span><span class="Normal">case</span> MULTIPLY: <span class="Delimiter">{</span>
-<span id="L138" class="LineNr">138 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L138" class="LineNr">138 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L139" class="LineNr">139 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'multiply' requires number ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L141" class="LineNr">141 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L142" class="LineNr">142 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L143" class="LineNr">143 </span>  <span class="Delimiter">}</span>
-<span id="L144" class="LineNr">144 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L144" class="LineNr">144 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L145" class="LineNr">145 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'multiply' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L146" class="LineNr">146 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L147" class="LineNr">147 </span>  <span class="Delimiter">}</span>
@@ -218,7 +218,7 @@ if ('onhashchange' in window) {
 <span id="L154" class="LineNr">154 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L155" class="LineNr">155 </span><span class="Normal">case</span> MULTIPLY: <span class="Delimiter">{</span>
 <span id="L156" class="LineNr">156 </span>  <span class="Normal">double</span> result = <span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L157" class="LineNr">157 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L157" class="LineNr">157 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L158" class="LineNr">158 </span>  <span class="Conceal">¦</span> result *= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L159" class="LineNr">159 </span>  <span class="Delimiter">}</span>
 <span id="L160" class="LineNr">160 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
@@ -249,20 +249,20 @@ if ('onhashchange' in window) {
 <span id="L185" class="LineNr">185 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L186" class="LineNr">186 </span>DIVIDE<span class="Delimiter">,</span>
 <span id="L187" class="LineNr">187 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L188" class="LineNr">188 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;divide&quot;</span><span class="Delimiter">,</span> DIVIDE<span class="Delimiter">);</span>
+<span id="L188" class="LineNr">188 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;divide&quot;</span><span class="Delimiter">,</span> DIVIDE<span class="Delimiter">);</span>
 <span id="L189" class="LineNr">189 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L190" class="LineNr">190 </span><span class="Normal">case</span> DIVIDE: <span class="Delimiter">{</span>
 <span id="L191" class="LineNr">191 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L192" class="LineNr">192 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'divide' has no ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L193" class="LineNr">193 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L194" class="LineNr">194 </span>  <span class="Delimiter">}</span>
-<span id="L195" class="LineNr">195 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L195" class="LineNr">195 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L196" class="LineNr">196 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L197" class="LineNr">197 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'divide' requires number ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Delimiter">}</span>
-<span id="L201" class="LineNr">201 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L201" class="LineNr">201 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L202" class="LineNr">202 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'divide' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L204" class="LineNr">204 </span>  <span class="Delimiter">}</span>
@@ -275,7 +275,7 @@ if ('onhashchange' in window) {
 <span id="L211" class="LineNr">211 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L212" class="LineNr">212 </span><span class="Normal">case</span> DIVIDE: <span class="Delimiter">{</span>
 <span id="L213" class="LineNr">213 </span>  <span class="Normal">double</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L214" class="LineNr">214 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L214" class="LineNr">214 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L215" class="LineNr">215 </span>  <span class="Conceal">¦</span> result /= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L216" class="LineNr">216 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L217" class="LineNr">217 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
@@ -307,10 +307,10 @@ if ('onhashchange' in window) {
 <span id="L243" class="LineNr">243 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L244" class="LineNr">244 </span>DIVIDE_WITH_REMAINDER<span class="Delimiter">,</span>
 <span id="L245" class="LineNr">245 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L246" class="LineNr">246 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;divide-with-remainder&quot;</span><span class="Delimiter">,</span> DIVIDE_WITH_REMAINDER<span class="Delimiter">);</span>
+<span id="L246" class="LineNr">246 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;divide-with-remainder&quot;</span><span class="Delimiter">,</span> DIVIDE_WITH_REMAINDER<span class="Delimiter">);</span>
 <span id="L247" class="LineNr">247 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L248" class="LineNr">248 </span><span class="Normal">case</span> DIVIDE_WITH_REMAINDER: <span class="Delimiter">{</span>
-<span id="L249" class="LineNr">249 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L249" class="LineNr">249 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L250" class="LineNr">250 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'divide-with-remainder' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L251" class="LineNr">251 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L252" class="LineNr">252 </span>  <span class="Delimiter">}</span>
@@ -318,11 +318,11 @@ if ('onhashchange' in window) {
 <span id="L254" class="LineNr">254 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'divide-with-remainder' requires number ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L255" class="LineNr">255 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Delimiter">}</span>
-<span id="L257" class="LineNr">257 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L257" class="LineNr">257 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L258" class="LineNr">258 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'divide-with-remainder' yields two products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L259" class="LineNr">259 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L260" class="LineNr">260 </span>  <span class="Delimiter">}</span>
-<span id="L261" class="LineNr">261 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L261" class="LineNr">261 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L262" class="LineNr">262 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &amp;&amp; !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L263" class="LineNr">263 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'divide-with-remainder' should yield a number, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L264" class="LineNr">264 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
@@ -391,10 +391,10 @@ if ('onhashchange' in window) {
 <span id="L327" class="LineNr">327 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L328" class="LineNr">328 </span>SHIFT_LEFT<span class="Delimiter">,</span>
 <span id="L329" class="LineNr">329 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L330" class="LineNr">330 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;shift-left&quot;</span><span class="Delimiter">,</span> SHIFT_LEFT<span class="Delimiter">);</span>
+<span id="L330" class="LineNr">330 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;shift-left&quot;</span><span class="Delimiter">,</span> SHIFT_LEFT<span class="Delimiter">);</span>
 <span id="L331" class="LineNr">331 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L332" class="LineNr">332 </span><span class="Normal">case</span> SHIFT_LEFT: <span class="Delimiter">{</span>
-<span id="L333" class="LineNr">333 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L333" class="LineNr">333 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L334" class="LineNr">334 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'shift-left' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L335" class="LineNr">335 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L336" class="LineNr">336 </span>  <span class="Delimiter">}</span>
@@ -402,7 +402,7 @@ if ('onhashchange' in window) {
 <span id="L338" class="LineNr">338 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'shift-left' requires number ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L339" class="LineNr">339 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L340" class="LineNr">340 </span>  <span class="Delimiter">}</span>
-<span id="L341" class="LineNr">341 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L341" class="LineNr">341 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L342" class="LineNr">342 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'shift-left' yields one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L343" class="LineNr">343 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L344" class="LineNr">344 </span>  <span class="Delimiter">}</span>
@@ -462,10 +462,10 @@ if ('onhashchange' in window) {
 <span id="L398" class="LineNr">398 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L399" class="LineNr">399 </span>SHIFT_RIGHT<span class="Delimiter">,</span>
 <span id="L400" class="LineNr">400 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L401" class="LineNr">401 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;shift-right&quot;</span><span class="Delimiter">,</span> SHIFT_RIGHT<span class="Delimiter">);</span>
+<span id="L401" class="LineNr">401 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;shift-right&quot;</span><span class="Delimiter">,</span> SHIFT_RIGHT<span class="Delimiter">);</span>
 <span id="L402" class="LineNr">402 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L403" class="LineNr">403 </span><span class="Normal">case</span> SHIFT_RIGHT: <span class="Delimiter">{</span>
-<span id="L404" class="LineNr">404 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L404" class="LineNr">404 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L405" class="LineNr">405 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'shift-right' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L406" class="LineNr">406 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L407" class="LineNr">407 </span>  <span class="Delimiter">}</span>
@@ -473,7 +473,7 @@ if ('onhashchange' in window) {
 <span id="L409" class="LineNr">409 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'shift-right' requires number ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L410" class="LineNr">410 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L411" class="LineNr">411 </span>  <span class="Delimiter">}</span>
-<span id="L412" class="LineNr">412 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L412" class="LineNr">412 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L413" class="LineNr">413 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'shift-right' yields one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L414" class="LineNr">414 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L415" class="LineNr">415 </span>  <span class="Delimiter">}</span>
@@ -533,10 +533,10 @@ if ('onhashchange' in window) {
 <span id="L469" class="LineNr">469 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L470" class="LineNr">470 </span>AND_BITS<span class="Delimiter">,</span>
 <span id="L471" class="LineNr">471 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L472" class="LineNr">472 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;and-bits&quot;</span><span class="Delimiter">,</span> AND_BITS<span class="Delimiter">);</span>
+<span id="L472" class="LineNr">472 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;and-bits&quot;</span><span class="Delimiter">,</span> AND_BITS<span class="Delimiter">);</span>
 <span id="L473" class="LineNr">473 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L474" class="LineNr">474 </span><span class="Normal">case</span> AND_BITS: <span class="Delimiter">{</span>
-<span id="L475" class="LineNr">475 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L475" class="LineNr">475 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L476" class="LineNr">476 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'and-bits' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L477" class="LineNr">477 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L478" class="LineNr">478 </span>  <span class="Delimiter">}</span>
@@ -544,7 +544,7 @@ if ('onhashchange' in window) {
 <span id="L480" class="LineNr">480 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'and-bits' requires number ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L481" class="LineNr">481 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L482" class="LineNr">482 </span>  <span class="Delimiter">}</span>
-<span id="L483" class="LineNr">483 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L483" class="LineNr">483 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L484" class="LineNr">484 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'and-bits' yields one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L485" class="LineNr">485 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L486" class="LineNr">486 </span>  <span class="Delimiter">}</span>
@@ -591,10 +591,10 @@ if ('onhashchange' in window) {
 <span id="L527" class="LineNr">527 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L528" class="LineNr">528 </span>OR_BITS<span class="Delimiter">,</span>
 <span id="L529" class="LineNr">529 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L530" class="LineNr">530 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;or-bits&quot;</span><span class="Delimiter">,</span> OR_BITS<span class="Delimiter">);</span>
+<span id="L530" class="LineNr">530 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;or-bits&quot;</span><span class="Delimiter">,</span> OR_BITS<span class="Delimiter">);</span>
 <span id="L531" class="LineNr">531 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L532" class="LineNr">532 </span><span class="Normal">case</span> OR_BITS: <span class="Delimiter">{</span>
-<span id="L533" class="LineNr">533 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L533" class="LineNr">533 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L534" class="LineNr">534 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'or-bits' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L535" class="LineNr">535 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L536" class="LineNr">536 </span>  <span class="Delimiter">}</span>
@@ -602,7 +602,7 @@ if ('onhashchange' in window) {
 <span id="L538" class="LineNr">538 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'or-bits' requires number ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L539" class="LineNr">539 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L540" class="LineNr">540 </span>  <span class="Delimiter">}</span>
-<span id="L541" class="LineNr">541 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L541" class="LineNr">541 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L542" class="LineNr">542 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'or-bits' yields one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L543" class="LineNr">543 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L544" class="LineNr">544 </span>  <span class="Delimiter">}</span>
@@ -643,10 +643,10 @@ if ('onhashchange' in window) {
 <span id="L579" class="LineNr">579 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L580" class="LineNr">580 </span>XOR_BITS<span class="Delimiter">,</span>
 <span id="L581" class="LineNr">581 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L582" class="LineNr">582 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;xor-bits&quot;</span><span class="Delimiter">,</span> XOR_BITS<span class="Delimiter">);</span>
+<span id="L582" class="LineNr">582 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;xor-bits&quot;</span><span class="Delimiter">,</span> XOR_BITS<span class="Delimiter">);</span>
 <span id="L583" class="LineNr">583 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L584" class="LineNr">584 </span><span class="Normal">case</span> XOR_BITS: <span class="Delimiter">{</span>
-<span id="L585" class="LineNr">585 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L585" class="LineNr">585 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L586" class="LineNr">586 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'xor-bits' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L587" class="LineNr">587 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L588" class="LineNr">588 </span>  <span class="Delimiter">}</span>
@@ -654,7 +654,7 @@ if ('onhashchange' in window) {
 <span id="L590" class="LineNr">590 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'xor-bits' requires number ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L591" class="LineNr">591 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L592" class="LineNr">592 </span>  <span class="Delimiter">}</span>
-<span id="L593" class="LineNr">593 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L593" class="LineNr">593 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L594" class="LineNr">594 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'xor-bits' yields one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L595" class="LineNr">595 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L596" class="LineNr">596 </span>  <span class="Delimiter">}</span>
@@ -695,10 +695,10 @@ if ('onhashchange' in window) {
 <span id="L631" class="LineNr">631 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L632" class="LineNr">632 </span>FLIP_BITS<span class="Delimiter">,</span>
 <span id="L633" class="LineNr">633 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L634" class="LineNr">634 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;flip-bits&quot;</span><span class="Delimiter">,</span> FLIP_BITS<span class="Delimiter">);</span>
+<span id="L634" class="LineNr">634 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;flip-bits&quot;</span><span class="Delimiter">,</span> FLIP_BITS<span class="Delimiter">);</span>
 <span id="L635" class="LineNr">635 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L636" class="LineNr">636 </span><span class="Normal">case</span> FLIP_BITS: <span class="Delimiter">{</span>
-<span id="L637" class="LineNr">637 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L637" class="LineNr">637 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L638" class="LineNr">638 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'flip-bits' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L639" class="LineNr">639 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L640" class="LineNr">640 </span>  <span class="Delimiter">}</span>
@@ -706,7 +706,7 @@ if ('onhashchange' in window) {
 <span id="L642" class="LineNr">642 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'flip-bits' requires a number ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L643" class="LineNr">643 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L644" class="LineNr">644 </span>  <span class="Delimiter">}</span>
-<span id="L645" class="LineNr">645 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L645" class="LineNr">645 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L646" class="LineNr">646 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'flip-bits' yields one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L647" class="LineNr">647 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L648" class="LineNr">648 </span>  <span class="Delimiter">}</span>
@@ -752,10 +752,10 @@ if ('onhashchange' in window) {
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 <span id="L689" class="LineNr">689 </span>ROUND<span class="Delimiter">,</span>
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+<span id="L691" class="LineNr">691 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;round&quot;</span><span class="Delimiter">,</span> ROUND<span class="Delimiter">);</span>
 <span id="L692" class="LineNr">692 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
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-<span id="L694" class="LineNr">694 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L694" class="LineNr">694 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
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 <span id="L696" class="LineNr">696 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L697" class="LineNr">697 </span>  <span class="Delimiter">}</span>
@@ -793,10 +793,10 @@ if ('onhashchange' in window) {
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 <span id="L730" class="LineNr">730 </span>TRUNCATE<span class="Delimiter">,</span>
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+<span id="L732" class="LineNr">732 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;truncate&quot;</span><span class="Delimiter">,</span> TRUNCATE<span class="Delimiter">);</span>
 <span id="L733" class="LineNr">733 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
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-<span id="L735" class="LineNr">735 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L735" class="LineNr">735 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L736" class="LineNr">736 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'truncate' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L737" class="LineNr">737 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L738" class="LineNr">738 </span>  <span class="Delimiter">}</span>
@@ -828,10 +828,10 @@ if ('onhashchange' in window) {
 <span id="L764" class="LineNr">764 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L765" class="LineNr">765 </span>SQUARE_ROOT<span class="Delimiter">,</span>
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-<span id="L767" class="LineNr">767 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;square-root&quot;</span><span class="Delimiter">,</span> SQUARE_ROOT<span class="Delimiter">);</span>
+<span id="L767" class="LineNr">767 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;square-root&quot;</span><span class="Delimiter">,</span> SQUARE_ROOT<span class="Delimiter">);</span>
 <span id="L768" class="LineNr">768 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L769" class="LineNr">769 </span><span class="Normal">case</span> SQUARE_ROOT: <span class="Delimiter">{</span>
-<span id="L770" class="LineNr">770 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L770" class="LineNr">770 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L771" class="LineNr">771 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'square-root' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L772" class="LineNr">772 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L773" class="LineNr">773 </span>  <span class="Delimiter">}</span>
@@ -851,10 +851,10 @@ if ('onhashchange' in window) {
 <span id="L787" class="LineNr">787 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L788" class="LineNr">788 </span>CHARACTER_TO_CODE<span class="Delimiter">,</span>
 <span id="L789" class="LineNr">789 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L790" class="LineNr">790 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character-to-code&quot;</span><span class="Delimiter">,</span> CHARACTER_TO_CODE<span class="Delimiter">);</span>
+<span id="L790" class="LineNr">790 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character-to-code&quot;</span><span class="Delimiter">,</span> CHARACTER_TO_CODE<span class="Delimiter">);</span>
 <span id="L791" class="LineNr">791 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L792" class="LineNr">792 </span><span class="Normal">case</span> CHARACTER_TO_CODE: <span class="Delimiter">{</span>
-<span id="L793" class="LineNr">793 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L793" class="LineNr">793 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L794" class="LineNr">794 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'character-to-code' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L795" class="LineNr">795 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L796" class="LineNr">796 </span>  <span class="Delimiter">}</span>
@@ -862,7 +862,7 @@ if ('onhashchange' in window) {
 <span id="L798" class="LineNr">798 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'character-to-code' should be a character, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L799" class="LineNr">799 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L800" class="LineNr">800 </span>  <span class="Delimiter">}</span>
-<span id="L801" class="LineNr">801 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L801" class="LineNr">801 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L802" class="LineNr">802 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'character-to-code' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L803" class="LineNr">803 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L804" class="LineNr">804 </span>  <span class="Delimiter">}</span>
@@ -875,7 +875,7 @@ if ('onhashchange' in window) {
 <span id="L811" class="LineNr">811 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L812" class="LineNr">812 </span><span class="Normal">case</span> CHARACTER_TO_CODE: <span class="Delimiter">{</span>
 <span id="L813" class="LineNr">813 </span>  <span class="Normal">double</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L814" class="LineNr">814 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L814" class="LineNr">814 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L815" class="LineNr">815 </span>  <span class="Conceal">¦</span> result += ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L816" class="LineNr">816 </span>  <span class="Delimiter">}</span>
 <span id="L817" class="LineNr">817 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
diff --git a/html/023boolean.cc.html b/html/023boolean.cc.html
index f216ff7a..cec4bc59 100644
--- a/html/023boolean.cc.html
+++ b/html/023boolean.cc.html
@@ -66,16 +66,16 @@ if ('onhashchange' in window) {
 <span id="L3" class="LineNr">  3 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L4" class="LineNr">  4 </span>AND<span class="Delimiter">,</span>
 <span id="L5" class="LineNr">  5 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;and&quot;</span><span class="Delimiter">,</span> AND<span class="Delimiter">);</span>
+<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;and&quot;</span><span class="Delimiter">,</span> AND<span class="Delimiter">);</span>
 <span id="L7" class="LineNr">  7 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L8" class="LineNr">  8 </span><span class="Normal">case</span> AND: <span class="Delimiter">{</span>
-<span id="L9" class="LineNr">  9 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L9" class="LineNr">  9 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L10" class="LineNr"> 10 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_scalar<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L11" class="LineNr"> 11 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'and' requires boolean ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L12" class="LineNr"> 12 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L13" class="LineNr"> 13 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L14" class="LineNr"> 14 </span>  <span class="Delimiter">}</span>
-<span id="L15" class="LineNr"> 15 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L15" class="LineNr"> 15 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L16" class="LineNr"> 16 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'and' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L17" class="LineNr"> 17 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L18" class="LineNr"> 18 </span>  <span class="Delimiter">}</span>
@@ -88,7 +88,7 @@ if ('onhashchange' in window) {
 <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L26" class="LineNr"> 26 </span><span class="Normal">case</span> AND: <span class="Delimiter">{</span>
 <span id="L27" class="LineNr"> 27 </span>  <span class="Normal">bool</span> result = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L28" class="LineNr"> 28 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L28" class="LineNr"> 28 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Conceal">¦</span> result = result &amp;&amp; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L30" class="LineNr"> 30 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L31" class="LineNr"> 31 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
@@ -124,16 +124,16 @@ if ('onhashchange' in window) {
 <span id="L61" class="LineNr"> 61 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L62" class="LineNr"> 62 </span>OR<span class="Delimiter">,</span>
 <span id="L63" class="LineNr"> 63 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L64" class="LineNr"> 64 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;or&quot;</span><span class="Delimiter">,</span> OR<span class="Delimiter">);</span>
+<span id="L64" class="LineNr"> 64 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;or&quot;</span><span class="Delimiter">,</span> OR<span class="Delimiter">);</span>
 <span id="L65" class="LineNr"> 65 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L66" class="LineNr"> 66 </span><span class="Normal">case</span> OR: <span class="Delimiter">{</span>
-<span id="L67" class="LineNr"> 67 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L67" class="LineNr"> 67 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_scalar<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'and' requires boolean ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Delimiter">}</span>
-<span id="L73" class="LineNr"> 73 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L73" class="LineNr"> 73 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'or' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Delimiter">}</span>
@@ -146,7 +146,7 @@ if ('onhashchange' in window) {
 <span id="L83" class="LineNr"> 83 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L84" class="LineNr"> 84 </span><span class="Normal">case</span> OR: <span class="Delimiter">{</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Normal">bool</span> result = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L86" class="LineNr"> 86 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L86" class="LineNr"> 86 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L87" class="LineNr"> 87 </span>  <span class="Conceal">¦</span> result = result || ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L88" class="LineNr"> 88 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L89" class="LineNr"> 89 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
@@ -182,20 +182,20 @@ if ('onhashchange' in window) {
 <span id="L119" class="LineNr">119 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L120" class="LineNr">120 </span>NOT<span class="Delimiter">,</span>
 <span id="L121" class="LineNr">121 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L122" class="LineNr">122 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;not&quot;</span><span class="Delimiter">,</span> NOT<span class="Delimiter">);</span>
+<span id="L122" class="LineNr">122 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;not&quot;</span><span class="Delimiter">,</span> NOT<span class="Delimiter">);</span>
 <span id="L123" class="LineNr">123 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L124" class="LineNr">124 </span><span class="Normal">case</span> NOT: <span class="Delimiter">{</span>
-<span id="L125" class="LineNr">125 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L125" class="LineNr">125 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L126" class="LineNr">126 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;ingredients and products should match in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L127" class="LineNr">127 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L128" class="LineNr">128 </span>  <span class="Delimiter">}</span>
-<span id="L129" class="LineNr">129 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L129" class="LineNr">129 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L130" class="LineNr">130 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_scalar<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L131" class="LineNr">131 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'not' requires boolean ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L132" class="LineNr">132 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Delimiter">}</span>
-<span id="L135" class="LineNr">135 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L135" class="LineNr">135 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L137" class="LineNr">137 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_boolean<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L138" class="LineNr">138 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'not' should yield a boolean, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -206,8 +206,8 @@ if ('onhashchange' in window) {
 <span id="L143" class="LineNr">143 </span><span class="Delimiter">}</span>
 <span id="L144" class="LineNr">144 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L145" class="LineNr">145 </span><span class="Normal">case</span> NOT: <span class="Delimiter">{</span>
-<span id="L146" class="LineNr">146 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">));</span>
-<span id="L147" class="LineNr">147 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L146" class="LineNr">146 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">));</span>
+<span id="L147" class="LineNr">147 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L148" class="LineNr">148 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>!ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L149" class="LineNr">149 </span>  <span class="Delimiter">}</span>
 <span id="L150" class="LineNr">150 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/024jump.cc.html b/html/024jump.cc.html
index a58b7602..9834e01c 100644
--- a/html/024jump.cc.html
+++ b/html/024jump.cc.html
@@ -76,10 +76,10 @@ if ('onhashchange' in window) {
 <span id="L12" class="LineNr"> 12 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L13" class="LineNr"> 13 </span>JUMP<span class="Delimiter">,</span>
 <span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L15" class="LineNr"> 15 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">,</span> JUMP<span class="Delimiter">);</span>
+<span id="L15" class="LineNr"> 15 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">,</span> JUMP<span class="Delimiter">);</span>
 <span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L17" class="LineNr"> 17 </span><span class="Normal">case</span> JUMP: <span class="Delimiter">{</span>
-<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L19" class="LineNr"> 19 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' should get exactly one ingredient</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L20" class="LineNr"> 20 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L21" class="LineNr"> 21 </span>  <span class="Delimiter">}</span>
@@ -102,7 +102,7 @@ if ('onhashchange' in window) {
 <span id="L38" class="LineNr"> 38 </span>
 <span id="L39" class="LineNr"> 39 </span><span class="Comment">//: special type to designate jump targets</span>
 <span id="L40" class="LineNr"> 40 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L41" class="LineNr"> 41 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;offset&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L41" class="LineNr"> 41 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;offset&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L42" class="LineNr"> 42 </span>
 <span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(scenario jump_backward)</span>
 <span id="L44" class="LineNr"> 44 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
@@ -118,10 +118,10 @@ if ('onhashchange' in window) {
 <span id="L54" class="LineNr"> 54 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L55" class="LineNr"> 55 </span>JUMP_IF<span class="Delimiter">,</span>
 <span id="L56" class="LineNr"> 56 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L57" class="LineNr"> 57 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;jump-if&quot;</span><span class="Delimiter">,</span> JUMP_IF<span class="Delimiter">);</span>
+<span id="L57" class="LineNr"> 57 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;jump-if&quot;</span><span class="Delimiter">,</span> JUMP_IF<span class="Delimiter">);</span>
 <span id="L58" class="LineNr"> 58 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L59" class="LineNr"> 59 </span><span class="Normal">case</span> JUMP_IF: <span class="Delimiter">{</span>
-<span id="L60" class="LineNr"> 60 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L60" class="LineNr"> 60 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L61" class="LineNr"> 61 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' should get exactly two ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L63" class="LineNr"> 63 </span>  <span class="Delimiter">}</span>
@@ -174,10 +174,10 @@ if ('onhashchange' in window) {
 <span id="L110" class="LineNr">110 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L111" class="LineNr">111 </span>JUMP_UNLESS<span class="Delimiter">,</span>
 <span id="L112" class="LineNr">112 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L113" class="LineNr">113 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;jump-unless&quot;</span><span class="Delimiter">,</span> JUMP_UNLESS<span class="Delimiter">);</span>
+<span id="L113" class="LineNr">113 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;jump-unless&quot;</span><span class="Delimiter">,</span> JUMP_UNLESS<span class="Delimiter">);</span>
 <span id="L114" class="LineNr">114 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L115" class="LineNr">115 </span><span class="Normal">case</span> JUMP_UNLESS: <span class="Delimiter">{</span>
-<span id="L116" class="LineNr">116 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L116" class="LineNr">116 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L117" class="LineNr">117 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' should get exactly two ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L118" class="LineNr">118 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L119" class="LineNr">119 </span>  <span class="Delimiter">}</span>
diff --git a/html/025compare.cc.html b/html/025compare.cc.html
index 2c3312a8..8889432e 100644
--- a/html/025compare.cc.html
+++ b/html/025compare.cc.html
@@ -66,21 +66,21 @@ if ('onhashchange' in window) {
 <span id="L3" class="LineNr">  3 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L4" class="LineNr">  4 </span>EQUAL<span class="Delimiter">,</span>
 <span id="L5" class="LineNr">  5 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;equal&quot;</span><span class="Delimiter">,</span> EQUAL<span class="Delimiter">);</span>
+<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;equal&quot;</span><span class="Delimiter">,</span> EQUAL<span class="Delimiter">);</span>
 <span id="L7" class="LineNr">  7 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L8" class="LineNr">  8 </span><span class="Normal">case</span> EQUAL: <span class="Delimiter">{</span>
-<span id="L9" class="LineNr">  9 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L9" class="LineNr">  9 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L10" class="LineNr"> 10 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'equal' needs at least two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L11" class="LineNr"> 11 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L12" class="LineNr"> 12 </span>  <span class="Delimiter">}</span>
 <span id="L13" class="LineNr"> 13 </span>  <span class="Normal">const</span> reagent&amp; exemplar = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L14" class="LineNr"> 14 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip exemplar</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L14" class="LineNr"> 14 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip exemplar</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L15" class="LineNr"> 15 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">)</span> &amp;&amp; !types_match<span class="Delimiter">(</span>exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L16" class="LineNr"> 16 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'equal' expects ingredients to be all of the same type, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L17" class="LineNr"> 17 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L18" class="LineNr"> 18 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L19" class="LineNr"> 19 </span>  <span class="Delimiter">}</span>
-<span id="L20" class="LineNr"> 20 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L20" class="LineNr"> 20 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L21" class="LineNr"> 21 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'equal' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L22" class="LineNr"> 22 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L23" class="LineNr"> 23 </span>  <span class="Delimiter">}</span>
@@ -94,7 +94,7 @@ if ('onhashchange' in window) {
 <span id="L31" class="LineNr"> 31 </span><span class="Normal">case</span> EQUAL: <span class="Delimiter">{</span>
 <span id="L32" class="LineNr"> 32 </span>  vector&lt;<span class="Normal">double</span>&gt;&amp; exemplar = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L33" class="LineNr"> 33 </span>  <span class="Normal">bool</span> result = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip exemplar</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip exemplar</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!equal<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">(),</span> exemplar<span class="Delimiter">.</span>begin<span class="Delimiter">()))</span> <span class="Delimiter">{</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -140,10 +140,10 @@ if ('onhashchange' in window) {
 <span id="L77" class="LineNr"> 77 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L78" class="LineNr"> 78 </span>NOT_EQUAL<span class="Delimiter">,</span>
 <span id="L79" class="LineNr"> 79 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L80" class="LineNr"> 80 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;not-equal&quot;</span><span class="Delimiter">,</span> NOT_EQUAL<span class="Delimiter">);</span>
+<span id="L80" class="LineNr"> 80 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;not-equal&quot;</span><span class="Delimiter">,</span> NOT_EQUAL<span class="Delimiter">);</span>
 <span id="L81" class="LineNr"> 81 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L82" class="LineNr"> 82 </span><span class="Normal">case</span> NOT_EQUAL: <span class="Delimiter">{</span>
-<span id="L83" class="LineNr"> 83 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L83" class="LineNr"> 83 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'equal' needs two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L86" class="LineNr"> 86 </span>  <span class="Delimiter">}</span>
@@ -152,7 +152,7 @@ if ('onhashchange' in window) {
 <span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'equal' expects ingredients to be all of the same type, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Delimiter">}</span>
-<span id="L92" class="LineNr"> 92 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L92" class="LineNr"> 92 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'equal' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L95" class="LineNr"> 95 </span>  <span class="Delimiter">}</span>
@@ -194,20 +194,20 @@ if ('onhashchange' in window) {
 <span id="L131" class="LineNr">131 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L132" class="LineNr">132 </span>GREATER_THAN<span class="Delimiter">,</span>
 <span id="L133" class="LineNr">133 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L134" class="LineNr">134 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;greater-than&quot;</span><span class="Delimiter">,</span> GREATER_THAN<span class="Delimiter">);</span>
+<span id="L134" class="LineNr">134 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;greater-than&quot;</span><span class="Delimiter">,</span> GREATER_THAN<span class="Delimiter">);</span>
 <span id="L135" class="LineNr">135 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L136" class="LineNr">136 </span><span class="Normal">case</span> GREATER_THAN: <span class="Delimiter">{</span>
-<span id="L137" class="LineNr">137 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L137" class="LineNr">137 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L138" class="LineNr">138 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'greater-than' needs at least two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L139" class="LineNr">139 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Delimiter">}</span>
-<span id="L141" class="LineNr">141 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L141" class="LineNr">141 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L142" class="LineNr">142 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L143" class="LineNr">143 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'greater-than' can only compare numbers; got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L144" class="LineNr">144 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L145" class="LineNr">145 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L146" class="LineNr">146 </span>  <span class="Delimiter">}</span>
-<span id="L147" class="LineNr">147 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L147" class="LineNr">147 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L148" class="LineNr">148 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'greater-than' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L149" class="LineNr">149 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L150" class="LineNr">150 </span>  <span class="Delimiter">}</span>
@@ -220,7 +220,7 @@ if ('onhashchange' in window) {
 <span id="L157" class="LineNr">157 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L158" class="LineNr">158 </span><span class="Normal">case</span> GREATER_THAN: <span class="Delimiter">{</span>
 <span id="L159" class="LineNr">159 </span>  <span class="Normal">bool</span> result = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L160" class="LineNr">160 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L160" class="LineNr">160 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L161" class="LineNr">161 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L162" class="LineNr">162 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L163" class="LineNr">163 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -261,20 +261,20 @@ if ('onhashchange' in window) {
 <span id="L198" class="LineNr">198 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L199" class="LineNr">199 </span>LESSER_THAN<span class="Delimiter">,</span>
 <span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L201" class="LineNr">201 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;lesser-than&quot;</span><span class="Delimiter">,</span> LESSER_THAN<span class="Delimiter">);</span>
+<span id="L201" class="LineNr">201 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;lesser-than&quot;</span><span class="Delimiter">,</span> LESSER_THAN<span class="Delimiter">);</span>
 <span id="L202" class="LineNr">202 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L203" class="LineNr">203 </span><span class="Normal">case</span> LESSER_THAN: <span class="Delimiter">{</span>
-<span id="L204" class="LineNr">204 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L205" class="LineNr">205 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'lesser-than' needs at least two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L206" class="LineNr">206 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L207" class="LineNr">207 </span>  <span class="Delimiter">}</span>
-<span id="L208" class="LineNr">208 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L208" class="LineNr">208 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L209" class="LineNr">209 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L210" class="LineNr">210 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'lesser-than' can only compare numbers; got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L211" class="LineNr">211 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L212" class="LineNr">212 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L213" class="LineNr">213 </span>  <span class="Delimiter">}</span>
-<span id="L214" class="LineNr">214 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L214" class="LineNr">214 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L215" class="LineNr">215 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'lesser-than' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L217" class="LineNr">217 </span>  <span class="Delimiter">}</span>
@@ -287,7 +287,7 @@ if ('onhashchange' in window) {
 <span id="L224" class="LineNr">224 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L225" class="LineNr">225 </span><span class="Normal">case</span> LESSER_THAN: <span class="Delimiter">{</span>
 <span id="L226" class="LineNr">226 </span>  <span class="Normal">bool</span> result = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L227" class="LineNr">227 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L227" class="LineNr">227 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L228" class="LineNr">228 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L229" class="LineNr">229 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L230" class="LineNr">230 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -328,20 +328,20 @@ if ('onhashchange' in window) {
 <span id="L265" class="LineNr">265 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L266" class="LineNr">266 </span>GREATER_OR_EQUAL<span class="Delimiter">,</span>
 <span id="L267" class="LineNr">267 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L268" class="LineNr">268 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;greater-or-equal&quot;</span><span class="Delimiter">,</span> GREATER_OR_EQUAL<span class="Delimiter">);</span>
+<span id="L268" class="LineNr">268 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;greater-or-equal&quot;</span><span class="Delimiter">,</span> GREATER_OR_EQUAL<span class="Delimiter">);</span>
 <span id="L269" class="LineNr">269 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L270" class="LineNr">270 </span><span class="Normal">case</span> GREATER_OR_EQUAL: <span class="Delimiter">{</span>
-<span id="L271" class="LineNr">271 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L271" class="LineNr">271 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L272" class="LineNr">272 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'greater-or-equal' needs at least two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L273" class="LineNr">273 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L274" class="LineNr">274 </span>  <span class="Delimiter">}</span>
-<span id="L275" class="LineNr">275 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L275" class="LineNr">275 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L276" class="LineNr">276 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L277" class="LineNr">277 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'greater-or-equal' can only compare numbers; got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L278" class="LineNr">278 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L279" class="LineNr">279 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L280" class="LineNr">280 </span>  <span class="Delimiter">}</span>
-<span id="L281" class="LineNr">281 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L281" class="LineNr">281 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L282" class="LineNr">282 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'greater-or-equal' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L283" class="LineNr">283 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L284" class="LineNr">284 </span>  <span class="Delimiter">}</span>
@@ -354,7 +354,7 @@ if ('onhashchange' in window) {
 <span id="L291" class="LineNr">291 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L292" class="LineNr">292 </span><span class="Normal">case</span> GREATER_OR_EQUAL: <span class="Delimiter">{</span>
 <span id="L293" class="LineNr">293 </span>  <span class="Normal">bool</span> result = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L294" class="LineNr">294 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L294" class="LineNr">294 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L295" class="LineNr">295 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L296" class="LineNr">296 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L297" class="LineNr">297 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -403,20 +403,20 @@ if ('onhashchange' in window) {
 <span id="L340" class="LineNr">340 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L341" class="LineNr">341 </span>LESSER_OR_EQUAL<span class="Delimiter">,</span>
 <span id="L342" class="LineNr">342 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L343" class="LineNr">343 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;lesser-or-equal&quot;</span><span class="Delimiter">,</span> LESSER_OR_EQUAL<span class="Delimiter">);</span>
+<span id="L343" class="LineNr">343 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;lesser-or-equal&quot;</span><span class="Delimiter">,</span> LESSER_OR_EQUAL<span class="Delimiter">);</span>
 <span id="L344" class="LineNr">344 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L345" class="LineNr">345 </span><span class="Normal">case</span> LESSER_OR_EQUAL: <span class="Delimiter">{</span>
-<span id="L346" class="LineNr">346 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L346" class="LineNr">346 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L347" class="LineNr">347 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'lesser-or-equal' needs at least two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L348" class="LineNr">348 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L349" class="LineNr">349 </span>  <span class="Delimiter">}</span>
-<span id="L350" class="LineNr">350 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L350" class="LineNr">350 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L351" class="LineNr">351 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L352" class="LineNr">352 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'lesser-or-equal' can only compare numbers; got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L353" class="LineNr">353 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L354" class="LineNr">354 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L355" class="LineNr">355 </span>  <span class="Delimiter">}</span>
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+<span id="L356" class="LineNr">356 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L357" class="LineNr">357 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'greater-or-equal' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L358" class="LineNr">358 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L359" class="LineNr">359 </span>  <span class="Delimiter">}</span>
@@ -429,7 +429,7 @@ if ('onhashchange' in window) {
 <span id="L366" class="LineNr">366 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L367" class="LineNr">367 </span><span class="Normal">case</span> LESSER_OR_EQUAL: <span class="Delimiter">{</span>
 <span id="L368" class="LineNr">368 </span>  <span class="Normal">bool</span> result = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L369" class="LineNr">369 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L369" class="LineNr">369 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L370" class="LineNr">370 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
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 <span id="L372" class="LineNr">372 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -478,20 +478,20 @@ if ('onhashchange' in window) {
 <span id="L415" class="LineNr">415 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L416" class="LineNr">416 </span>MAX<span class="Delimiter">,</span>
 <span id="L417" class="LineNr">417 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L418" class="LineNr">418 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;max&quot;</span><span class="Delimiter">,</span> MAX<span class="Delimiter">);</span>
+<span id="L418" class="LineNr">418 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;max&quot;</span><span class="Delimiter">,</span> MAX<span class="Delimiter">);</span>
 <span id="L419" class="LineNr">419 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
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-<span id="L421" class="LineNr">421 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L421" class="LineNr">421 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L422" class="LineNr">422 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'max' needs at least two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L423" class="LineNr">423 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L424" class="LineNr">424 </span>  <span class="Delimiter">}</span>
-<span id="L425" class="LineNr">425 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L425" class="LineNr">425 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L426" class="LineNr">426 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L427" class="LineNr">427 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'max' can only compare numbers; got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L428" class="LineNr">428 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L429" class="LineNr">429 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L430" class="LineNr">430 </span>  <span class="Delimiter">}</span>
-<span id="L431" class="LineNr">431 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L431" class="LineNr">431 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L432" class="LineNr">432 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'max' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L433" class="LineNr">433 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L434" class="LineNr">434 </span>  <span class="Delimiter">}</span>
@@ -504,7 +504,7 @@ if ('onhashchange' in window) {
 <span id="L441" class="LineNr">441 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L442" class="LineNr">442 </span><span class="Normal">case</span> MAX: <span class="Delimiter">{</span>
 <span id="L443" class="LineNr">443 </span>  <span class="Normal">int</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L444" class="LineNr">444 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L444" class="LineNr">444 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L445" class="LineNr">445 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt; result<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L446" class="LineNr">446 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L447" class="LineNr">447 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -517,20 +517,20 @@ if ('onhashchange' in window) {
 <span id="L454" class="LineNr">454 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L455" class="LineNr">455 </span>MIN<span class="Delimiter">,</span>
 <span id="L456" class="LineNr">456 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L457" class="LineNr">457 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;min&quot;</span><span class="Delimiter">,</span> MIN<span class="Delimiter">);</span>
+<span id="L457" class="LineNr">457 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;min&quot;</span><span class="Delimiter">,</span> MIN<span class="Delimiter">);</span>
 <span id="L458" class="LineNr">458 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L459" class="LineNr">459 </span><span class="Normal">case</span> MIN: <span class="Delimiter">{</span>
-<span id="L460" class="LineNr">460 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L460" class="LineNr">460 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L461" class="LineNr">461 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'min' needs at least two ingredients to compare in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L462" class="LineNr">462 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L463" class="LineNr">463 </span>  <span class="Delimiter">}</span>
-<span id="L464" class="LineNr">464 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L464" class="LineNr">464 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L465" class="LineNr">465 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L466" class="LineNr">466 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'min' can only compare numbers; got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L467" class="LineNr">467 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
 <span id="L468" class="LineNr">468 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L469" class="LineNr">469 </span>  <span class="Delimiter">}</span>
-<span id="L470" class="LineNr">470 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L470" class="LineNr">470 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L471" class="LineNr">471 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'min' yields exactly one product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L472" class="LineNr">472 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L473" class="LineNr">473 </span>  <span class="Delimiter">}</span>
@@ -543,7 +543,7 @@ if ('onhashchange' in window) {
 <span id="L480" class="LineNr">480 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L481" class="LineNr">481 </span><span class="Normal">case</span> MIN: <span class="Delimiter">{</span>
 <span id="L482" class="LineNr">482 </span>  <span class="Normal">int</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L483" class="LineNr">483 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L483" class="LineNr">483 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/**/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L484" class="LineNr">484 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; result<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L485" class="LineNr">485 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L486" class="LineNr">486 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
diff --git a/html/026call.cc.html b/html/026call.cc.html
index dc068de1..a0eef109 100644
--- a/html/026call.cc.html
+++ b/html/026call.cc.html
@@ -227,7 +227,7 @@ if ('onhashchange' in window) {
 <span id="L163" class="LineNr">163 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
 <span id="L164" class="LineNr">164 </span><span class="Comment">// when we reach the end of one call, we may reach the end of the one below</span>
 <span id="L165" class="LineNr">165 </span><span class="Comment">// it, and the one below that, and so on</span>
-<span id="L166" class="LineNr">166 </span><span class="Normal">while</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">()))</span> <span class="Delimiter">{</span>
+<span id="L166" class="LineNr">166 </span><span class="Normal">while</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">()))</span> <span class="Delimiter">{</span>
 <span id="L167" class="LineNr">167 </span>  <span class="Comment">// Falling Through End Of Recipe</span>
 <span id="L168" class="LineNr">168 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;fall-through: exiting &quot;</span> &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;; decrementing callstack depth from &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
diff --git a/html/027call_ingredient.cc.html b/html/027call_ingredient.cc.html
index 3e29f667..9ab7933f 100644
--- a/html/027call_ingredient.cc.html
+++ b/html/027call_ingredient.cc.html
@@ -91,7 +91,7 @@ if ('onhashchange' in window) {
 <span id="L28" class="LineNr"> 28 </span>next_ingredient_to_process = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L29" class="LineNr"> 29 </span>
 <span id="L30" class="LineNr"> 30 </span><span class="Delimiter">:(before &quot;End Call Housekeeping&quot;)</span>
-<span id="L31" class="LineNr"> 31 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L31" class="LineNr"> 31 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L32" class="LineNr"> 32 </span>  current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L33" class="LineNr"> 33 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = call_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L34" class="LineNr"> 34 </span>  <span class="Comment">// End Compute Call Ingredient</span>
@@ -102,7 +102,7 @@ if ('onhashchange' in window) {
 <span id="L39" class="LineNr"> 39 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L40" class="LineNr"> 40 </span>NEXT_INGREDIENT<span class="Delimiter">,</span>
 <span id="L41" class="LineNr"> 41 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L42" class="LineNr"> 42 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;next-ingredient&quot;</span><span class="Delimiter">,</span> NEXT_INGREDIENT<span class="Delimiter">);</span>
+<span id="L42" class="LineNr"> 42 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;next-ingredient&quot;</span><span class="Delimiter">,</span> NEXT_INGREDIENT<span class="Delimiter">);</span>
 <span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L44" class="LineNr"> 44 </span><span class="Normal">case</span> NEXT_INGREDIENT: <span class="Delimiter">{</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -114,7 +114,7 @@ if ('onhashchange' in window) {
 <span id="L51" class="LineNr"> 51 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L52" class="LineNr"> 52 </span><span class="Normal">case</span> NEXT_INGREDIENT: <span class="Delimiter">{</span>
 <span id="L53" class="LineNr"> 53 </span>  assert<span class="Delimiter">(</span>!Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L54" class="LineNr"> 54 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L54" class="LineNr"> 54 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L55" class="LineNr"> 55 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> <span class="Comment">// End Preprocess NEXT_INGREDIENT product</span>
 <span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">()</span> == <span class="Constant">&quot;main&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -130,12 +130,12 @@ if ('onhashchange' in window) {
 <span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>at<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">));</span>
-<span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">// push a new vector</span>
+<span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">// push a new vector</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> ++current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">;</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Delimiter">}</span>
 <span id="L74" class="LineNr"> 74 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &lt; <span class="Constant">2</span><span class="Delimiter">)</span>
+<span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &lt; <span class="Constant">2</span><span class="Delimiter">)</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;no ingredient to save in '&quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
@@ -174,7 +174,7 @@ if ('onhashchange' in window) {
 <span id="L111" class="LineNr">111 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L112" class="LineNr">112 </span>REWIND_INGREDIENTS<span class="Delimiter">,</span>
 <span id="L113" class="LineNr">113 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L114" class="LineNr">114 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;rewind-ingredients&quot;</span><span class="Delimiter">,</span> REWIND_INGREDIENTS<span class="Delimiter">);</span>
+<span id="L114" class="LineNr">114 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;rewind-ingredients&quot;</span><span class="Delimiter">,</span> REWIND_INGREDIENTS<span class="Delimiter">);</span>
 <span id="L115" class="LineNr">115 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L116" class="LineNr">116 </span><span class="Normal">case</span> REWIND_INGREDIENTS: <span class="Delimiter">{</span>
 <span id="L117" class="LineNr">117 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -199,10 +199,10 @@ if ('onhashchange' in window) {
 <span id="L136" class="LineNr">136 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L137" class="LineNr">137 </span>INGREDIENT<span class="Delimiter">,</span>
 <span id="L138" class="LineNr">138 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L139" class="LineNr">139 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;ingredient&quot;</span><span class="Delimiter">,</span> INGREDIENT<span class="Delimiter">);</span>
+<span id="L139" class="LineNr">139 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;ingredient&quot;</span><span class="Delimiter">,</span> INGREDIENT<span class="Delimiter">);</span>
 <span id="L140" class="LineNr">140 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L141" class="LineNr">141 </span><span class="Normal">case</span> INGREDIENT: <span class="Delimiter">{</span>
-<span id="L142" class="LineNr">142 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L142" class="LineNr">142 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L143" class="LineNr">143 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'ingredient' expects exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L144" class="LineNr">144 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L145" class="LineNr">145 </span>  <span class="Delimiter">}</span>
@@ -214,16 +214,16 @@ if ('onhashchange' in window) {
 <span id="L151" class="LineNr">151 </span><span class="Delimiter">}</span>
 <span id="L152" class="LineNr">152 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L153" class="LineNr">153 </span><span class="Normal">case</span> INGREDIENT: <span class="Delimiter">{</span>
-<span id="L154" class="LineNr">154 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L154" class="LineNr">154 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L155" class="LineNr">155 </span>  <span class="Conceal">¦</span> current_call<span class="Delimiter">().</span>next_ingredient_to_process = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L156" class="LineNr">156 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>
 <span id="L157" class="LineNr">157 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>at<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">));</span>
-<span id="L158" class="LineNr">158 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">// push a new vector</span>
+<span id="L158" class="LineNr">158 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">// push a new vector</span>
 <span id="L159" class="LineNr">159 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L160" class="LineNr">160 </span>  <span class="Conceal">¦</span> ++current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">;</span>
 <span id="L161" class="LineNr">161 </span>  <span class="Delimiter">}</span>
 <span id="L162" class="LineNr">162 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L163" class="LineNr">163 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L163" class="LineNr">163 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L164" class="LineNr">164 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
 <span id="L165" class="LineNr">165 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// todo: will fail noisily if we try to read a compound value</span>
 <span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
diff --git a/html/028call_return.cc.html b/html/028call_return.cc.html
index d6353a9a..c4309a2a 100644
--- a/html/028call_return.cc.html
+++ b/html/028call_return.cc.html
@@ -90,8 +90,8 @@ if ('onhashchange' in window) {
 <span id="L27" class="LineNr"> 27 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L28" class="LineNr"> 28 </span>RETURN<span class="Delimiter">,</span>
 <span id="L29" class="LineNr"> 29 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L30" class="LineNr"> 30 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;return&quot;</span><span class="Delimiter">,</span> RETURN<span class="Delimiter">);</span>
-<span id="L31" class="LineNr"> 31 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;reply&quot;</span><span class="Delimiter">,</span> RETURN<span class="Delimiter">);</span>  <span class="Comment">// synonym while teaching</span>
+<span id="L30" class="LineNr"> 30 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;return&quot;</span><span class="Delimiter">,</span> RETURN<span class="Delimiter">);</span>
+<span id="L31" class="LineNr"> 31 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;reply&quot;</span><span class="Delimiter">,</span> RETURN<span class="Delimiter">);</span>  <span class="Comment">// synonym while teaching</span>
 <span id="L32" class="LineNr"> 32 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L33" class="LineNr"> 33 </span><span class="Normal">case</span> RETURN: <span class="Delimiter">{</span>
 <span id="L34" class="LineNr"> 34 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// checks will be performed by a transform below</span>
@@ -110,7 +110,7 @@ if ('onhashchange' in window) {
 <span id="L47" class="LineNr"> 47 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>pop_front<span class="Delimiter">();</span>
 <span id="L48" class="LineNr"> 48 </span>  <span class="Comment">// just in case 'main' returns a value, drop it for now</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">goto</span> stop_running_current_routine<span class="Delimiter">;</span>
-<span id="L50" class="LineNr"> 50 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L50" class="LineNr"> 50 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;result &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Comment">// make return products available to caller</span>
 <span id="L53" class="LineNr"> 53 </span>  copy<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>products<span class="Delimiter">,</span> products<span class="Delimiter">.</span>begin<span class="Delimiter">()));</span>
@@ -126,21 +126,21 @@ if ('onhashchange' in window) {
 <span id="L63" class="LineNr"> 63 </span><span class="Normal">void</span> <a href='028call_return.cc.html#L63'>check_types_of_return_instructions</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L65" class="LineNr"> 65 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- check types of return instructions in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L66" class="LineNr"> 66 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L66" class="LineNr"> 66 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; caller_instruction = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>operation &lt; <a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> recipe&amp; callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> caller_instruction<span class="Delimiter">.</span>operation<span class="Delimiter">);</span>
-<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; return_inst = callee<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>return_inst<span class="Delimiter">.</span>operation != RETURN<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// check types with the caller</span>
-<span id="L76" class="LineNr"> 76 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L76" class="LineNr"> 76 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;too few values returned from &quot;</span> &lt;&lt; callee<span class="Delimiter">.</span>name &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L80" class="LineNr"> 80 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> lhs = return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> rhs = caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// End Check RETURN Copy(lhs, rhs)</span>
@@ -152,7 +152,7 @@ if ('onhashchange' in window) {
 <span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// check that any return ingredients with /same-as-ingredient connect up</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// the corresponding ingredient and product in the caller.</span>
-<span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot;same-as-ingredient&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> string_tree* tmp = property<span class="Delimiter">(</span>return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot;same-as-ingredient&quot;</span><span class="Delimiter">);</span>
 <span id="L95" class="LineNr"> 95 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!tmp || !tmp<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -160,7 +160,7 @@ if ('onhashchange' in window) {
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_return_check<span class="Delimiter">;</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L99" class="LineNr"> 99 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> ingredient_index = <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>tmp<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;too few ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>caller_instruction<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">goto</span> finish_return_check<span class="Delimiter">;</span>
 <span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -221,12 +221,12 @@ if ('onhashchange' in window) {
 <span id="L158" class="LineNr">158 </span>string <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> vector&lt;<span class="Normal">double</span>&gt;&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L159" class="LineNr">159 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">&quot;[]&quot;</span><span class="Delimiter">;</span>
 <span id="L160" class="LineNr">160 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L161" class="LineNr">161 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L161" class="LineNr">161 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L162" class="LineNr">162 </span>  <span class="Conceal">¦</span> out &lt;&lt; no_scientific<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L163" class="LineNr">163 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span id="L164" class="LineNr">164 </span>  <span class="Delimiter">}</span>
 <span id="L165" class="LineNr">165 </span>  out &lt;&lt; <span class="Constant">&quot;[&quot;</span><span class="Delimiter">;</span>
-<span id="L166" class="LineNr">166 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L166" class="LineNr">166 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
 <span id="L168" class="LineNr">168 </span>  <span class="Conceal">¦</span> out &lt;&lt; no_scientific<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L169" class="LineNr">169 </span>  <span class="Delimiter">}</span>
diff --git a/html/029tools.cc.html b/html/029tools.cc.html
index db535ba2..06100c48 100644
--- a/html/029tools.cc.html
+++ b/html/029tools.cc.html
@@ -74,10 +74,10 @@ if ('onhashchange' in window) {
 <span id="L9" class="LineNr">  9 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L10" class="LineNr"> 10 </span>TRACE<span class="Delimiter">,</span>
 <span id="L11" class="LineNr"> 11 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L12" class="LineNr"> 12 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace&quot;</span><span class="Delimiter">,</span> TRACE<span class="Delimiter">);</span>
+<span id="L12" class="LineNr"> 12 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace&quot;</span><span class="Delimiter">,</span> TRACE<span class="Delimiter">);</span>
 <span id="L13" class="LineNr"> 13 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L14" class="LineNr"> 14 </span><span class="Normal">case</span> TRACE: <span class="Delimiter">{</span>
-<span id="L15" class="LineNr"> 15 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L15" class="LineNr"> 15 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L16" class="LineNr"> 16 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'trace' takes three or more ingredients rather than '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L17" class="LineNr"> 17 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L18" class="LineNr"> 18 </span>  <span class="Delimiter">}</span>
@@ -96,7 +96,7 @@ if ('onhashchange' in window) {
 <span id="L31" class="LineNr"> 31 </span>  <span class="Normal">int</span> depth = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L32" class="LineNr"> 32 </span>  string label = current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
 <span id="L33" class="LineNr"> 33 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">2</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">2</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">2</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span> out &lt;&lt; inspect<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L37" class="LineNr"> 37 </span>  <span class="Delimiter">}</span>
@@ -109,7 +109,7 @@ if ('onhashchange' in window) {
 <span id="L44" class="LineNr"> 44 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L45" class="LineNr"> 45 </span>STASH<span class="Delimiter">,</span>
 <span id="L46" class="LineNr"> 46 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L47" class="LineNr"> 47 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;stash&quot;</span><span class="Delimiter">,</span> STASH<span class="Delimiter">);</span>
+<span id="L47" class="LineNr"> 47 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;stash&quot;</span><span class="Delimiter">,</span> STASH<span class="Delimiter">);</span>
 <span id="L48" class="LineNr"> 48 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L49" class="LineNr"> 49 </span><span class="Normal">case</span> STASH: <span class="Delimiter">{</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -117,7 +117,7 @@ if ('onhashchange' in window) {
 <span id="L52" class="LineNr"> 52 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L53" class="LineNr"> 53 </span><span class="Normal">case</span> STASH: <span class="Delimiter">{</span>
 <span id="L54" class="LineNr"> 54 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
 <span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span> out &lt;&lt; inspect<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L58" class="LineNr"> 58 </span>  <span class="Delimiter">}</span>
@@ -150,7 +150,7 @@ if ('onhashchange' in window) {
 <span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> r<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
 <span id="L86" class="LineNr"> 86 </span>  <span class="Comment">// End inspect Special-cases(r, data)</span>
 <span id="L87" class="LineNr"> 87 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L88" class="LineNr"> 88 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
 <span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span> out &lt;&lt; no_scientific<span class="Delimiter">(</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Delimiter">}</span>
@@ -160,7 +160,7 @@ if ('onhashchange' in window) {
 <span id="L95" class="LineNr"> 95 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L96" class="LineNr"> 96 </span>HIDE_ERRORS<span class="Delimiter">,</span>
 <span id="L97" class="LineNr"> 97 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L98" class="LineNr"> 98 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;hide-errors&quot;</span><span class="Delimiter">,</span> HIDE_ERRORS<span class="Delimiter">);</span>
+<span id="L98" class="LineNr"> 98 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;hide-errors&quot;</span><span class="Delimiter">,</span> HIDE_ERRORS<span class="Delimiter">);</span>
 <span id="L99" class="LineNr"> 99 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L100" class="LineNr">100 </span><span class="Normal">case</span> HIDE_ERRORS: <span class="Delimiter">{</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -174,7 +174,7 @@ if ('onhashchange' in window) {
 <span id="L109" class="LineNr">109 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L110" class="LineNr">110 </span>SHOW_ERRORS<span class="Delimiter">,</span>
 <span id="L111" class="LineNr">111 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L112" class="LineNr">112 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;show-errors&quot;</span><span class="Delimiter">,</span> SHOW_ERRORS<span class="Delimiter">);</span>
+<span id="L112" class="LineNr">112 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;show-errors&quot;</span><span class="Delimiter">,</span> SHOW_ERRORS<span class="Delimiter">);</span>
 <span id="L113" class="LineNr">113 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L114" class="LineNr">114 </span><span class="Normal">case</span> SHOW_ERRORS: <span class="Delimiter">{</span>
 <span id="L115" class="LineNr">115 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -188,7 +188,7 @@ if ('onhashchange' in window) {
 <span id="L123" class="LineNr">123 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L124" class="LineNr">124 </span>TRACE_UNTIL<span class="Delimiter">,</span>
 <span id="L125" class="LineNr">125 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L126" class="LineNr">126 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace-until&quot;</span><span class="Delimiter">,</span> TRACE_UNTIL<span class="Delimiter">);</span>
+<span id="L126" class="LineNr">126 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace-until&quot;</span><span class="Delimiter">,</span> TRACE_UNTIL<span class="Delimiter">);</span>
 <span id="L127" class="LineNr">127 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L128" class="LineNr">128 </span><span class="Normal">case</span> TRACE_UNTIL: <span class="Delimiter">{</span>
 <span id="L129" class="LineNr">129 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -204,7 +204,7 @@ if ('onhashchange' in window) {
 <span id="L139" class="LineNr">139 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L140" class="LineNr">140 </span>_DUMP_TRACE<span class="Delimiter">,</span>
 <span id="L141" class="LineNr">141 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L142" class="LineNr">142 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-trace&quot;</span><span class="Delimiter">,</span> _DUMP_TRACE<span class="Delimiter">);</span>
+<span id="L142" class="LineNr">142 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-trace&quot;</span><span class="Delimiter">,</span> _DUMP_TRACE<span class="Delimiter">);</span>
 <span id="L143" class="LineNr">143 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L144" class="LineNr">144 </span><span class="Normal">case</span> _DUMP_TRACE: <span class="Delimiter">{</span>
 <span id="L145" class="LineNr">145 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -223,7 +223,7 @@ if ('onhashchange' in window) {
 <span id="L158" class="LineNr">158 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L159" class="LineNr">159 </span>_CLEAR_TRACE<span class="Delimiter">,</span>
 <span id="L160" class="LineNr">160 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L161" class="LineNr">161 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$clear-trace&quot;</span><span class="Delimiter">,</span> _CLEAR_TRACE<span class="Delimiter">);</span>
+<span id="L161" class="LineNr">161 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$clear-trace&quot;</span><span class="Delimiter">,</span> _CLEAR_TRACE<span class="Delimiter">);</span>
 <span id="L162" class="LineNr">162 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L163" class="LineNr">163 </span><span class="Normal">case</span> _CLEAR_TRACE: <span class="Delimiter">{</span>
 <span id="L164" class="LineNr">164 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -237,7 +237,7 @@ if ('onhashchange' in window) {
 <span id="L172" class="LineNr">172 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L173" class="LineNr">173 </span>_SAVE_TRACE<span class="Delimiter">,</span>
 <span id="L174" class="LineNr">174 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L175" class="LineNr">175 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$save-trace&quot;</span><span class="Delimiter">,</span> _SAVE_TRACE<span class="Delimiter">);</span>
+<span id="L175" class="LineNr">175 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$save-trace&quot;</span><span class="Delimiter">,</span> _SAVE_TRACE<span class="Delimiter">);</span>
 <span id="L176" class="LineNr">176 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L177" class="LineNr">177 </span><span class="Normal">case</span> _SAVE_TRACE: <span class="Delimiter">{</span>
 <span id="L178" class="LineNr">178 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -257,14 +257,14 @@ if ('onhashchange' in window) {
 <span id="L192" class="LineNr">192 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L193" class="LineNr">193 </span>_PRINT<span class="Delimiter">,</span>
 <span id="L194" class="LineNr">194 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L195" class="LineNr">195 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$print&quot;</span><span class="Delimiter">,</span> _PRINT<span class="Delimiter">);</span>
+<span id="L195" class="LineNr">195 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$print&quot;</span><span class="Delimiter">,</span> _PRINT<span class="Delimiter">);</span>
 <span id="L196" class="LineNr">196 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L197" class="LineNr">197 </span><span class="Normal">case</span> _PRINT: <span class="Delimiter">{</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L199" class="LineNr">199 </span><span class="Delimiter">}</span>
 <span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L201" class="LineNr">201 </span><span class="Normal">case</span> _PRINT: <span class="Delimiter">{</span>
-<span id="L202" class="LineNr">202 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L202" class="LineNr">202 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L204" class="LineNr">204 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;$print: &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L205" class="LineNr">205 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot;newline&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
@@ -278,7 +278,7 @@ if ('onhashchange' in window) {
 <span id="L213" class="LineNr">213 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L214" class="LineNr">214 </span>  <span class="Conceal">¦</span> <span class="Comment">// End $print Special-cases</span>
 <span id="L215" class="LineNr">215 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L217" class="LineNr">217 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;$print: &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L218" class="LineNr">218 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>j &gt; <span class="Constant">0</span><span class="Delimiter">)</span> cout &lt;&lt; <span class="Constant">&quot; &quot;</span><span class="Delimiter">;</span>
 <span id="L219" class="LineNr">219 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cout &lt;&lt; no_scientific<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span>
@@ -292,7 +292,7 @@ if ('onhashchange' in window) {
 <span id="L227" class="LineNr">227 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L228" class="LineNr">228 </span>_EXIT<span class="Delimiter">,</span>
 <span id="L229" class="LineNr">229 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L230" class="LineNr">230 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$exit&quot;</span><span class="Delimiter">,</span> _EXIT<span class="Delimiter">);</span>
+<span id="L230" class="LineNr">230 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$exit&quot;</span><span class="Delimiter">,</span> _EXIT<span class="Delimiter">);</span>
 <span id="L231" class="LineNr">231 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L232" class="LineNr">232 </span><span class="Normal">case</span> _EXIT: <span class="Delimiter">{</span>
 <span id="L233" class="LineNr">233 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -306,10 +306,10 @@ if ('onhashchange' in window) {
 <span id="L241" class="LineNr">241 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L242" class="LineNr">242 </span>_SYSTEM<span class="Delimiter">,</span>
 <span id="L243" class="LineNr">243 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L244" class="LineNr">244 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$system&quot;</span><span class="Delimiter">,</span> _SYSTEM<span class="Delimiter">);</span>
+<span id="L244" class="LineNr">244 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$system&quot;</span><span class="Delimiter">,</span> _SYSTEM<span class="Delimiter">);</span>
 <span id="L245" class="LineNr">245 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L246" class="LineNr">246 </span><span class="Normal">case</span> _SYSTEM: <span class="Delimiter">{</span>
-<span id="L247" class="LineNr">247 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L247" class="LineNr">247 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L248" class="LineNr">248 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$system' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L249" class="LineNr">249 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L250" class="LineNr">250 </span>  <span class="Delimiter">}</span>
@@ -329,7 +329,7 @@ if ('onhashchange' in window) {
 <span id="L264" class="LineNr">264 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L265" class="LineNr">265 </span>_DUMP_MEMORY<span class="Delimiter">,</span>
 <span id="L266" class="LineNr">266 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L267" class="LineNr">267 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-memory&quot;</span><span class="Delimiter">,</span> _DUMP_MEMORY<span class="Delimiter">);</span>
+<span id="L267" class="LineNr">267 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-memory&quot;</span><span class="Delimiter">,</span> _DUMP_MEMORY<span class="Delimiter">);</span>
 <span id="L268" class="LineNr">268 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L269" class="LineNr">269 </span><span class="Normal">case</span> _DUMP_MEMORY: <span class="Delimiter">{</span>
 <span id="L270" class="LineNr">270 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -351,7 +351,7 @@ if ('onhashchange' in window) {
 <span id="L286" class="LineNr">286 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L287" class="LineNr">287 </span>_LOG<span class="Delimiter">,</span>
 <span id="L288" class="LineNr">288 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L289" class="LineNr">289 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$log&quot;</span><span class="Delimiter">,</span> _LOG<span class="Delimiter">);</span>
+<span id="L289" class="LineNr">289 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$log&quot;</span><span class="Delimiter">,</span> _LOG<span class="Delimiter">);</span>
 <span id="L290" class="LineNr">290 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L291" class="LineNr">291 </span><span class="Normal">case</span> _LOG: <span class="Delimiter">{</span>
 <span id="L292" class="LineNr">292 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -359,7 +359,7 @@ if ('onhashchange' in window) {
 <span id="L294" class="LineNr">294 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L295" class="LineNr">295 </span><span class="Normal">case</span> _LOG: <span class="Delimiter">{</span>
 <span id="L296" class="LineNr">296 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L297" class="LineNr">297 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L297" class="LineNr">297 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L298" class="LineNr">298 </span>  <span class="Conceal">¦</span> out &lt;&lt; inspect<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L299" class="LineNr">299 </span>  <span class="Delimiter">}</span>
 <span id="L300" class="LineNr">300 </span>  LOG &lt;&lt; out<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
@@ -373,7 +373,7 @@ if ('onhashchange' in window) {
 <span id="L308" class="LineNr">308 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L309" class="LineNr">309 </span>_FOO<span class="Delimiter">,</span>
 <span id="L310" class="LineNr">310 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L311" class="LineNr">311 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$foo&quot;</span><span class="Delimiter">,</span> _FOO<span class="Delimiter">);</span>
+<span id="L311" class="LineNr">311 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$foo&quot;</span><span class="Delimiter">,</span> _FOO<span class="Delimiter">);</span>
 <span id="L312" class="LineNr">312 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L313" class="LineNr">313 </span><span class="Normal">case</span> _FOO: <span class="Delimiter">{</span>
 <span id="L314" class="LineNr">314 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/030container.cc.html b/html/030container.cc.html
index a2a94c28..8d2fcc44 100644
--- a/html/030container.cc.html
+++ b/html/030container.cc.html
@@ -69,8 +69,8 @@ if ('onhashchange' in window) {
 <span id="L2" class="LineNr">  2 </span>
 <span id="L3" class="LineNr">  3 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
 <span id="L4" class="LineNr">  4 </span><span class="Comment">//: We'll use this container as a running example in scenarios below.</span>
-<span id="L5" class="LineNr">  5 </span><a href='010vm.cc.html#L123'>type_ordinal</a> point = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
+<span id="L5" class="LineNr">  5 </span><a href='010vm.cc.html#L123'>type_ordinal</a> point = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
 <span id="L7" class="LineNr">  7 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">;</span>
 <span id="L8" class="LineNr">  8 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>name = <span class="Constant">&quot;point&quot;</span><span class="Delimiter">;</span>
 <span id="L9" class="LineNr">  9 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;x:number&quot;</span><span class="Delimiter">));</span>
@@ -102,8 +102,8 @@ if ('onhashchange' in window) {
 <span id="L35" class="LineNr"> 35 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
 <span id="L36" class="LineNr"> 36 </span><span class="Comment">// A more complex example container, containing another container as one of</span>
 <span id="L37" class="LineNr"> 37 </span><span class="Comment">// its elements.</span>
-<span id="L38" class="LineNr"> 38 </span><a href='010vm.cc.html#L123'>type_ordinal</a> point_number = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point-number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L39" class="LineNr"> 39 </span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
+<span id="L38" class="LineNr"> 38 </span><a href='010vm.cc.html#L123'>type_ordinal</a> point_number = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point-number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L39" class="LineNr"> 39 </span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
 <span id="L40" class="LineNr"> 40 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">;</span>
 <span id="L41" class="LineNr"> 41 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>name = <span class="Constant">&quot;point-number&quot;</span><span class="Delimiter">;</span>
 <span id="L42" class="LineNr"> 42 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;xy:point&quot;</span><span class="Delimiter">));</span>
@@ -189,20 +189,20 @@ if ('onhashchange' in window) {
 <span id="L122" class="LineNr">122 </span><span class="Delimiter">:(code)</span>
 <span id="L123" class="LineNr">123 </span><span class="Comment">// invariant: Container_metadata always contains a superset of Container_metadata_snapshot</span>
 <span id="L124" class="LineNr">124 </span><span class="Normal">void</span> <a href='030container.cc.html#L124'>restore_container_metadata</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L125" class="LineNr">125 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L125" class="LineNr">125 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L126" class="LineNr">126 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">);</span>
-<span id="L127" class="LineNr">127 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata_snapshot<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L127" class="LineNr">127 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata_snapshot<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L128" class="LineNr">128 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == Container_metadata_snapshot<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">);</span>
 <span id="L129" class="LineNr">129 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L130" class="LineNr">130 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L131" class="LineNr">131 </span>  <span class="Conceal">¦</span> <span class="Normal">delete</span> Container_metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">;</span>
 <span id="L132" class="LineNr">132 </span>  <span class="Conceal">¦</span> Container_metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first = <span class="Constant">NULL</span><span class="Delimiter">;</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Delimiter">}</span>
-<span id="L134" class="LineNr">134 </span>  Container_metadata<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata_snapshot<span class="Delimiter">));</span>
+<span id="L134" class="LineNr">134 </span>  Container_metadata<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata_snapshot<span class="Delimiter">));</span>
 <span id="L135" class="LineNr">135 </span><span class="Delimiter">}</span>
 <span id="L136" class="LineNr">136 </span><span class="Normal">void</span> <a href='030container.cc.html#L136'>clear_container_metadata</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L137" class="LineNr">137 </span>  Container_metadata_snapshot<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L138" class="LineNr">138 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L138" class="LineNr">138 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L139" class="LineNr">139 </span>  <span class="Conceal">¦</span> <span class="Normal">delete</span> Container_metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">;</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Conceal">¦</span> Container_metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first = <span class="Constant">NULL</span><span class="Delimiter">;</span>
 <span id="L141" class="LineNr">141 </span>  <span class="Delimiter">}</span>
@@ -241,12 +241,12 @@ if ('onhashchange' in window) {
 <span id="L174" class="LineNr">174 </span><span class="Normal">void</span> compute_container_sizes<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L175" class="LineNr">175 </span>  recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L176" class="LineNr">176 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- compute container sizes for &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L177" class="LineNr">177 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L177" class="LineNr">177 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L178" class="LineNr">178 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;- compute container sizes for &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L180" class="LineNr">180 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L180" class="LineNr">180 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L181" class="LineNr">181 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> compute_container_sizes<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot; in '&quot;</span>+to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span>+<span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
-<span id="L182" class="LineNr">182 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L182" class="LineNr">182 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L183" class="LineNr">183 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> compute_container_sizes<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot; in '&quot;</span>+to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span>+<span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
 <span id="L184" class="LineNr">184 </span>  <span class="Delimiter">}</span>
 <span id="L185" class="LineNr">185 </span><span class="Delimiter">}</span>
@@ -292,7 +292,7 @@ if ('onhashchange' in window) {
 <span id="L225" class="LineNr">225 </span>  <span class="Comment">// (So it can only contain arrays if they're static and include their</span>
 <span id="L226" class="LineNr">226 </span>  <span class="Comment">// length in the type.)</span>
 <span id="L227" class="LineNr">227 </span>  container_metadata metadata<span class="Delimiter">;</span>
-<span id="L228" class="LineNr">228 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L228" class="LineNr">228 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L229" class="LineNr">229 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = container_info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L230" class="LineNr">230 </span>  <span class="Conceal">¦</span> <span class="Comment">// Compute Container Size(element, full_type)</span>
 <span id="L231" class="LineNr">231 </span>  <span class="Conceal">¦</span> compute_container_sizes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
@@ -311,7 +311,7 @@ if ('onhashchange' in window) {
 <span id="L244" class="LineNr">244 </span><span class="Delimiter">}</span>
 <span id="L245" class="LineNr">245 </span>
 <span id="L246" class="LineNr">246 </span>container_metadata&amp; get<span class="Delimiter">(</span>vector&lt;pair&lt;type_tree*<span class="Delimiter">,</span> container_metadata&gt; &gt;&amp; all<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L247" class="LineNr">247 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>all<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L247" class="LineNr">247 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>all<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L248" class="LineNr">248 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030container.cc.html#L264'>matches</a><span class="Delimiter">(</span>all<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> key<span class="Delimiter">))</span>
 <span id="L249" class="LineNr">249 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> all<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
 <span id="L250" class="LineNr">250 </span>  <span class="Delimiter">}</span>
@@ -321,7 +321,7 @@ if ('onhashchange' in window) {
 <span id="L254" class="LineNr">254 </span><span class="Delimiter">}</span>
 <span id="L255" class="LineNr">255 </span>
 <span id="L256" class="LineNr">256 </span><span class="Normal">bool</span> contains_key<span class="Delimiter">(</span><span class="Normal">const</span> vector&lt;pair&lt;type_tree*<span class="Delimiter">,</span> container_metadata&gt; &gt;&amp; all<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* key<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L257" class="LineNr">257 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>all<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L257" class="LineNr">257 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>all<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L258" class="LineNr">258 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030container.cc.html#L264'>matches</a><span class="Delimiter">(</span>all<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> key<span class="Delimiter">))</span>
 <span id="L259" class="LineNr">259 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L260" class="LineNr">260 </span>  <span class="Delimiter">}</span>
@@ -363,7 +363,7 @@ if ('onhashchange' in window) {
 <span id="L296" class="LineNr">296 </span>
 <span id="L297" class="LineNr">297 </span><span class="Normal">void</span> <a href='030container.cc.html#L297'>test_container_sizes_through_aliases</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L298" class="LineNr">298 </span>  <span class="Comment">// a new alias for a container</span>
-<span id="L299" class="LineNr">299 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;pt&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;point&quot;</span><span class="Delimiter">));</span>
+<span id="L299" class="LineNr">299 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;pt&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;point&quot;</span><span class="Delimiter">));</span>
 <span id="L300" class="LineNr">300 </span>  reagent r<span class="Delimiter">(</span><span class="Constant">&quot;x:pt&quot;</span><span class="Delimiter">);</span>
 <span id="L301" class="LineNr">301 </span>  <span class="Comment">// scan</span>
 <span id="L302" class="LineNr">302 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
@@ -424,10 +424,10 @@ if ('onhashchange' in window) {
 <span id="L357" class="LineNr">357 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L358" class="LineNr">358 </span>GET<span class="Delimiter">,</span>
 <span id="L359" class="LineNr">359 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L360" class="LineNr">360 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;get&quot;</span><span class="Delimiter">,</span> GET<span class="Delimiter">);</span>
+<span id="L360" class="LineNr">360 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;get&quot;</span><span class="Delimiter">,</span> GET<span class="Delimiter">);</span>
 <span id="L361" class="LineNr">361 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L362" class="LineNr">362 </span><span class="Normal">case</span> GET: <span class="Delimiter">{</span>
-<span id="L363" class="LineNr">363 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L363" class="LineNr">363 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L364" class="LineNr">364 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'get' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L365" class="LineNr">365 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L366" class="LineNr">366 </span>  <span class="Delimiter">}</span>
@@ -453,7 +453,7 @@ if ('onhashchange' in window) {
 <span id="L386" class="LineNr">386 </span>  <span class="Conceal">¦</span> offset_value = <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>offset<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
 <span id="L387" class="LineNr">387 </span>  <span class="Delimiter">}</span>
 <span id="L388" class="LineNr">388 </span>  <span class="Comment">// End update GET offset_value in Check</span>
-<span id="L389" class="LineNr">389 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &lt; <span class="Constant">0</span> || offset_value &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L389" class="LineNr">389 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &lt; <span class="Constant">0</span> || offset_value &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L390" class="LineNr">390 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;invalid offset '&quot;</span> &lt;&lt; offset_value &lt;&lt; <span class="Constant">&quot;' for '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L391" class="LineNr">391 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L392" class="LineNr">392 </span>  <span class="Delimiter">}</span>
@@ -480,7 +480,7 @@ if ('onhashchange' in window) {
 <span id="L413" class="LineNr">413 </span>  <span class="Normal">const</span> type_tree* base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
 <span id="L414" class="LineNr">414 </span>  <span class="Comment">// Update GET base_type in Run</span>
 <span id="L415" class="LineNr">415 </span>  <span class="Normal">int</span> offset = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L416" class="LineNr">416 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset &lt; <span class="Constant">0</span> || offset &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// copied from Check above</span>
+<span id="L416" class="LineNr">416 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset &lt; <span class="Constant">0</span> || offset &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// copied from Check above</span>
 <span id="L417" class="LineNr">417 </span>  assert<span class="Delimiter">(</span>base<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>size<span class="Delimiter">);</span>
 <span id="L418" class="LineNr">418 </span>  <span class="Normal">int</span> src = base_address + base<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>offset<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">);</span>
 <span id="L419" class="LineNr">419 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address to copy is &quot;</span> &lt;&lt; src &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -502,7 +502,7 @@ if ('onhashchange' in window) {
 <span id="L435" class="LineNr">435 </span>  assert<span class="Delimiter">(</span>!get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L436" class="LineNr">436 </span>  <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
 <span id="L437" class="LineNr">437 </span>  assert<span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">);</span>
-<span id="L438" class="LineNr">438 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">))</span> <span class="Identifier">return</span> reagent<span class="Delimiter">();</span>  <span class="Comment">// error handled elsewhere</span>
+<span id="L438" class="LineNr">438 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">))</span> <span class="Identifier">return</span> reagent<span class="Delimiter">();</span>  <span class="Comment">// error handled elsewhere</span>
 <span id="L439" class="LineNr">439 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset_value<span class="Delimiter">);</span>
 <span id="L440" class="LineNr">440 </span>  <span class="Comment">// End element_type Special-cases</span>
 <span id="L441" class="LineNr">441 </span>  <span class="Identifier">return</span> element<span class="Delimiter">;</span>
@@ -564,7 +564,7 @@ if ('onhashchange' in window) {
 <span id="L497" class="LineNr">497 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
 <span id="L498" class="LineNr">498 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
 <span id="L499" class="LineNr">499 </span>  $clear-trace
-<span id="L500" class="LineNr">500 </span>  <span class="Constant">12</span>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> <span class="Constant">12</span>:point<span class="Delimiter">,</span> <span class="Constant">1:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
+<span id="L500" class="LineNr">500 </span>  <span class="Constant">12</span>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">12</span>:point<span class="Delimiter">,</span> <span class="Constant">1:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
 <span id="L501" class="LineNr">501 </span>]
 <span id="L502" class="LineNr">502 </span><span class="traceContains">+mem: storing 36 in location 13</span>
 <span id="L503" class="LineNr">503 </span><span class="traceAbsent">-mem: storing 34 in location 12</span>
@@ -572,10 +572,10 @@ if ('onhashchange' in window) {
 <span id="L505" class="LineNr">505 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L506" class="LineNr">506 </span>PUT<span class="Delimiter">,</span>
 <span id="L507" class="LineNr">507 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L508" class="LineNr">508 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;put&quot;</span><span class="Delimiter">,</span> PUT<span class="Delimiter">);</span>
+<span id="L508" class="LineNr">508 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;put&quot;</span><span class="Delimiter">,</span> PUT<span class="Delimiter">);</span>
 <span id="L509" class="LineNr">509 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L510" class="LineNr">510 </span><span class="Normal">case</span> PUT: <span class="Delimiter">{</span>
-<span id="L511" class="LineNr">511 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L511" class="LineNr">511 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L512" class="LineNr">512 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put' expects exactly 3 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L513" class="LineNr">513 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L514" class="LineNr">514 </span>  <span class="Delimiter">}</span>
@@ -601,7 +601,7 @@ if ('onhashchange' in window) {
 <span id="L534" class="LineNr">534 </span>  <span class="Comment">//: later layers will permit non-integer offsets</span>
 <span id="L535" class="LineNr">535 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='002test.cc.html#L86'>is_integer</a><span class="Delimiter">(</span>offset<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L536" class="LineNr">536 </span>  <span class="Conceal">¦</span> offset_value = <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>offset<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
-<span id="L537" class="LineNr">537 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &lt; <span class="Constant">0</span> || offset_value &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L537" class="LineNr">537 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &lt; <span class="Constant">0</span> || offset_value &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L538" class="LineNr">538 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;invalid offset '&quot;</span> &lt;&lt; offset_value &lt;&lt; <span class="Constant">&quot;' for '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L539" class="LineNr">539 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L540" class="LineNr">540 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -636,16 +636,16 @@ if ('onhashchange' in window) {
 <span id="L569" class="LineNr">569 </span>  <span class="Normal">const</span> type_tree* base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
 <span id="L570" class="LineNr">570 </span>  <span class="Comment">// Update PUT base_type in Run</span>
 <span id="L571" class="LineNr">571 </span>  <span class="Normal">int</span> offset = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L572" class="LineNr">572 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset &lt; <span class="Constant">0</span> || offset &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// copied from Check above</span>
+<span id="L572" class="LineNr">572 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset &lt; <span class="Constant">0</span> || offset &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// copied from Check above</span>
 <span id="L573" class="LineNr">573 </span>  <span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a> = base_address + base<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>offset<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">);</span>
 <span id="L574" class="LineNr">574 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address to copy to is &quot;</span> &lt;&lt; <a href='043space.cc.html#L76'>address</a> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L575" class="LineNr">575 </span>  <span class="Comment">// optimization: directly write the element rather than updating 'product'</span>
 <span id="L576" class="LineNr">576 </span>  <span class="Comment">// and writing the entire container</span>
 <span id="L577" class="LineNr">577 </span>  <span class="Comment">// Write Memory in PUT in Run</span>
 <span id="L578" class="LineNr">578 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L579" class="LineNr">579 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L579" class="LineNr">579 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L580" class="LineNr">580 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; address+i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L581" class="LineNr">581 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L581" class="LineNr">581 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L582" class="LineNr">582 </span>  <span class="Delimiter">}</span>
 <span id="L583" class="LineNr">583 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L584" class="LineNr">584 </span><span class="Delimiter">}</span>
@@ -656,7 +656,7 @@ if ('onhashchange' in window) {
 <span id="L589" class="LineNr">589 </span>  local-scope
 <span id="L590" class="LineNr">590 </span>  load-ingredients
 <span id="L591" class="LineNr">591 </span>  <span class="Constant">1</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
-<span id="L592" class="LineNr">592 </span>  <span class="Constant">3</span>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> <span class="Constant">1</span>:point<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
+<span id="L592" class="LineNr">592 </span>  <span class="Constant">3</span>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:point<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
 <span id="L593" class="LineNr">593 </span>]
 <span id="L594" class="LineNr">594 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put' must be first ingredient '1:point', but got '3:point'</span>
 <span id="L595" class="LineNr">595 </span>
@@ -738,11 +738,11 @@ if ('onhashchange' in window) {
 <span id="L671" class="LineNr">671 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- defining &quot;</span> &lt;&lt; command &lt;&lt; <span class="Constant">' '</span> &lt;&lt; name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L672" class="LineNr">672 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span>
 <span id="L673" class="LineNr">673 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> || get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L674" class="LineNr">674 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L674" class="LineNr">674 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
 <span id="L675" class="LineNr">675 </span>  <span class="Delimiter">}</span>
 <span id="L676" class="LineNr">676 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;type number: &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L677" class="LineNr">677 </span>  <a href='030container.cc.html#L734'>skip_bracket</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">&quot;'&quot;</span>+command+<span class="Constant">&quot;' must begin with '['&quot;</span><span class="Delimiter">);</span>
-<span id="L678" class="LineNr">678 </span>  type_info&amp; info = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">));</span>
+<span id="L678" class="LineNr">678 </span>  type_info&amp; info = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">));</span>
 <span id="L679" class="LineNr">679 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>Num_calls_to_transform_all_at_first_definition == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L680" class="LineNr">680 </span>  <span class="Conceal">¦</span> <span class="Comment">// initial definition of this container</span>
 <span id="L681" class="LineNr">681 </span>  <span class="Conceal">¦</span> info<span class="Delimiter">.</span>Num_calls_to_transform_all_at_first_definition = Num_calls_to_transform_all<span class="Delimiter">;</span>
@@ -754,7 +754,7 @@ if ('onhashchange' in window) {
 <span id="L687" class="LineNr">687 </span>  <span class="Delimiter">}</span>
 <span id="L688" class="LineNr">688 </span>  info<span class="Delimiter">.</span>name = name<span class="Delimiter">;</span>
 <span id="L689" class="LineNr">689 </span>  info<span class="Delimiter">.</span>kind = kind<span class="Delimiter">;</span>
-<span id="L690" class="LineNr">690 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L690" class="LineNr">690 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L691" class="LineNr">691 </span>  <span class="Conceal">¦</span> <a href='011load.cc.html#L209'>skip_whitespace_and_comments</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L692" class="LineNr">692 </span>  <span class="Conceal">¦</span> string element = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L693" class="LineNr">693 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>element<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -766,7 +766,7 @@ if ('onhashchange' in window) {
 <span id="L699" class="LineNr">699 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L700" class="LineNr">700 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; command &lt;&lt; <span class="Constant">&quot; '&quot;</span> &lt;&lt; name &lt;&lt; <span class="Constant">&quot;' contains multiple elements on a single line. Containers and exclusive containers must only contain elements, one to a line, no code.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L701" class="LineNr">701 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// skip rest of container declaration</span>
-<span id="L702" class="LineNr">702 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L702" class="LineNr">702 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L703" class="LineNr">703 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='011load.cc.html#L209'>skip_whitespace_and_comments</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L704" class="LineNr">704 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> == <span class="Constant">&quot;]&quot;</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L705" class="LineNr">705 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -793,7 +793,7 @@ if ('onhashchange' in window) {
 <span id="L726" class="LineNr">726 </span>  <span class="Delimiter">}</span>
 <span id="L727" class="LineNr">727 </span>  <span class="Comment">// End insert_container Special-cases</span>
 <span id="L728" class="LineNr">728 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;-&gt;&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>  <span class="Comment">// used in recipe types</span>
-<span id="L729" class="LineNr">729 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L729" class="LineNr">729 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
 <span id="L730" class="LineNr">730 </span>  <span class="Conceal">¦</span> type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
 <span id="L731" class="LineNr">731 </span>  <span class="Delimiter">}</span>
 <span id="L732" class="LineNr">732 </span><span class="Delimiter">}</span>
@@ -829,9 +829,9 @@ if ('onhashchange' in window) {
 <span id="L762" class="LineNr">762 </span><span class="Delimiter">:(code)</span>
 <span id="L763" class="LineNr">763 </span><span class="Comment">// extremely inefficient; we process all types over and over again, once for every single recipe</span>
 <span id="L764" class="LineNr">764 </span><span class="Comment">// but it doesn't seem to cause any noticeable slowdown</span>
-<span id="L765" class="LineNr">765 </span><span class="Normal">void</span> <a href='030container.cc.html#L765'>expand_type_abbreviations_in_containers</a><span class="Delimiter">(</span><a href='001help.cc.html#L255'>unused</a> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L765" class="LineNr">765 </span><span class="Normal">void</span> <a href='030container.cc.html#L765'>expand_type_abbreviations_in_containers</a><span class="Delimiter">(</span><a href='001help.cc.html#L258'>unused</a> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L766" class="LineNr">766 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt;::iterator p = Type<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Type<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L767" class="LineNr">767 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L767" class="LineNr">767 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L768" class="LineNr">768 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> expand_type_abbreviations<span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L769" class="LineNr">769 </span>  <span class="Delimiter">}</span>
 <span id="L770" class="LineNr">770 </span><span class="Delimiter">}</span>
@@ -886,11 +886,11 @@ if ('onhashchange' in window) {
 <span id="L819" class="LineNr">819 </span><span class="Normal">void</span> check_or_set_invalid_types<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L820" class="LineNr">820 </span>  recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L821" class="LineNr">821 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- check for invalid types in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L822" class="LineNr">822 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L822" class="LineNr">822 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L823" class="LineNr">823 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
-<span id="L824" class="LineNr">824 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L824" class="LineNr">824 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L825" class="LineNr">825 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> check_or_set_invalid_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> caller<span class="Delimiter">,</span> inst<span class="Delimiter">);</span>
-<span id="L826" class="LineNr">826 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L826" class="LineNr">826 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L827" class="LineNr">827 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> check_or_set_invalid_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> caller<span class="Delimiter">,</span> inst<span class="Delimiter">);</span>
 <span id="L828" class="LineNr">828 </span>  <span class="Delimiter">}</span>
 <span id="L829" class="LineNr">829 </span>  <span class="Comment">// End check_or_set_invalid_types</span>
@@ -951,7 +951,7 @@ if ('onhashchange' in window) {
 <span id="L884" class="LineNr">884 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt;::iterator p = Type<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Type<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L885" class="LineNr">885 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> type_info&amp; info = p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
 <span id="L886" class="LineNr">886 </span>  <span class="Conceal">¦</span> <span class="Comment">// Check Container Field Types(info)</span>
-<span id="L887" class="LineNr">887 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L887" class="LineNr">887 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L888" class="LineNr">888 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> check_invalid_types<span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>name<span class="Delimiter">),</span> info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">);</span>
 <span id="L889" class="LineNr">889 </span>  <span class="Delimiter">}</span>
 <span id="L890" class="LineNr">890 </span><span class="Delimiter">}</span>
diff --git a/html/031merge.cc.html b/html/031merge.cc.html
index 162d4cb4..84226d28 100644
--- a/html/031merge.cc.html
+++ b/html/031merge.cc.html
@@ -79,7 +79,7 @@ if ('onhashchange' in window) {
 <span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L15" class="LineNr"> 15 </span>MERGE<span class="Delimiter">,</span>
 <span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L17" class="LineNr"> 17 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;merge&quot;</span><span class="Delimiter">,</span> MERGE<span class="Delimiter">);</span>
+<span id="L17" class="LineNr"> 17 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;merge&quot;</span><span class="Delimiter">,</span> MERGE<span class="Delimiter">);</span>
 <span id="L18" class="LineNr"> 18 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L19" class="LineNr"> 19 </span><span class="Normal">case</span> MERGE: <span class="Delimiter">{</span>
 <span id="L20" class="LineNr"> 20 </span>  <span class="Comment">// type-checking in a separate transform below</span>
@@ -88,8 +88,8 @@ if ('onhashchange' in window) {
 <span id="L23" class="LineNr"> 23 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L24" class="LineNr"> 24 </span><span class="Normal">case</span> MERGE: <span class="Delimiter">{</span>
 <span id="L25" class="LineNr"> 25 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L26" class="LineNr"> 26 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>  ++j<span class="Delimiter">)</span>
+<span id="L26" class="LineNr"> 26 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>  ++j<span class="Delimiter">)</span>
 <span id="L28" class="LineNr"> 28 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L30" class="LineNr"> 30 </span><span class="Delimiter">}</span>
@@ -180,10 +180,10 @@ if ('onhashchange' in window) {
 <span id="L115" class="LineNr">115 </span><span class="Normal">void</span> <a href='031merge.cc.html#L115'>check_merge_calls</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L116" class="LineNr">116 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L117" class="LineNr">117 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- type-check merge instructions in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L118" class="LineNr">118 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L118" class="LineNr">118 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L119" class="LineNr">119 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L120" class="LineNr">120 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;merge&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L121" class="LineNr">121 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L121" class="LineNr">121 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L122" class="LineNr">122 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'merge' should yield a single product in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L123" class="LineNr">123 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L124" class="LineNr">124 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -210,8 +210,8 @@ if ('onhashchange' in window) {
 <span id="L145" class="LineNr">145 </span>  state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>push<span class="Delimiter">(</span>merge_check_point<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L146" class="LineNr">146 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L147" class="LineNr">147 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>!state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L148" class="LineNr">148 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; ingredient_index &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L149" class="LineNr">149 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L148" class="LineNr">148 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; ingredient_index &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L149" class="LineNr">149 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L150" class="LineNr">150 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;too few ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L151" class="LineNr">151 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L152" class="LineNr">152 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -231,10 +231,10 @@ if ('onhashchange' in window) {
 <span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='021check_instruction.cc.html#L100'>types_coercible</a><span class="Delimiter">(</span>expected_ingredient<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++ingredient_index<span class="Delimiter">;</span>
 <span id="L168" class="LineNr">168 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index<span class="Delimiter">;</span>
-<span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get_base_type<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container<span class="Delimiter">.</span>type<span class="Delimiter">)-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get_base_type<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container<span class="Delimiter">.</span>type<span class="Delimiter">)-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L170" class="LineNr">170 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>pop<span class="Delimiter">();</span>
 <span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span>
+<span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span>
 <span id="L173" class="LineNr">173 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;too many ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L174" class="LineNr">174 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -261,12 +261,12 @@ if ('onhashchange' in window) {
 <span id="L196" class="LineNr">196 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">do</span> <span class="Delimiter">{</span>
 <span id="L197" class="LineNr">197 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>pop<span class="Delimiter">();</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span>
+<span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;too many ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L201" class="LineNr">201 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L202" class="LineNr">202 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index<span class="Delimiter">;</span>
-<span id="L204" class="LineNr">204 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> <span class="Normal">while</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get_base_type<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container<span class="Delimiter">.</span>type<span class="Delimiter">)-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">));</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> <span class="Normal">while</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get_base_type<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container<span class="Delimiter">.</span>type<span class="Delimiter">)-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">));</span>
 <span id="L205" class="LineNr">205 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L206" class="LineNr">206 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L207" class="LineNr">207 </span>  <span class="Delimiter">}</span>
diff --git a/html/032array.cc.html b/html/032array.cc.html
index 9b256b7d..ea348527 100644
--- a/html/032array.cc.html
+++ b/html/032array.cc.html
@@ -81,7 +81,7 @@ if ('onhashchange' in window) {
 <span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L17" class="LineNr"> 17 </span>CREATE_ARRAY<span class="Delimiter">,</span>
 <span id="L18" class="LineNr"> 18 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L19" class="LineNr"> 19 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;create-array&quot;</span><span class="Delimiter">,</span> CREATE_ARRAY<span class="Delimiter">);</span>
+<span id="L19" class="LineNr"> 19 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;create-array&quot;</span><span class="Delimiter">,</span> CREATE_ARRAY<span class="Delimiter">);</span>
 <span id="L20" class="LineNr"> 20 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L21" class="LineNr"> 21 </span><span class="Normal">case</span> CREATE_ARRAY: <span class="Delimiter">{</span>
 <span id="L22" class="LineNr"> 22 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -123,12 +123,12 @@ if ('onhashchange' in window) {
 <span id="L58" class="LineNr"> 58 </span>  <span class="Normal">int</span> <a href='032array.cc.html#L398'>array_length</a> = <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>array_length_from_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
 <span id="L59" class="LineNr"> 59 </span>  <span class="Comment">// initialize array length, so that size_of will work</span>
 <span id="L60" class="LineNr"> 60 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='032array.cc.html#L398'>array_length</a> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; base_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L61" class="LineNr"> 61 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">,</span> <a href='032array.cc.html#L398'>array_length</a><span class="Delimiter">);</span>  <span class="Comment">// in array elements</span>
+<span id="L61" class="LineNr"> 61 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">,</span> <a href='032array.cc.html#L398'>array_length</a><span class="Delimiter">);</span>  <span class="Comment">// in array elements</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Normal">int</span> size = size_of<span class="Delimiter">(</span>product<span class="Delimiter">);</span>  <span class="Comment">// in locations</span>
 <span id="L63" class="LineNr"> 63 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;creating array of size &quot;</span> &lt;&lt; size &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Comment">// initialize array</span>
 <span id="L65" class="LineNr"> 65 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt;= size_of<span class="Delimiter">(</span>product<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L66" class="LineNr"> 66 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+i<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L66" class="LineNr"> 66 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+i<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Delimiter">}</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Comment">// no need to update product</span>
 <span id="L69" class="LineNr"> 69 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
@@ -239,7 +239,7 @@ if ('onhashchange' in window) {
 <span id="L174" class="LineNr">174 </span><span class="Comment">//: disable the size mismatch check for 'merge' instructions since containers</span>
 <span id="L175" class="LineNr">175 </span><span class="Comment">//: can contain arrays, and since we already do plenty of checking for them</span>
 <span id="L176" class="LineNr">176 </span><span class="Delimiter">:(before &quot;End size_mismatch(x) Special-cases&quot;)</span>
-<span id="L177" class="LineNr">177 </span><span class="Normal">if</span> <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>running_step_index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> current_call<span class="Delimiter">().</span>running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">)</span>
+<span id="L177" class="LineNr">177 </span><span class="Normal">if</span> <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>running_step_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> current_call<span class="Delimiter">().</span>running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">)</span>
 <span id="L178" class="LineNr">178 </span>  <span class="Conceal">¦</span> &amp;&amp; current_instruction<span class="Delimiter">().</span>operation == MERGE<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L179" class="LineNr">179 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L180" class="LineNr">180 </span><span class="Delimiter">}</span>
@@ -299,51 +299,51 @@ if ('onhashchange' in window) {
 <span id="L234" class="LineNr">234 </span><span class="Normal">void</span> <a href='032array.cc.html#L234'>test_container_sizes_from_static_array</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L235" class="LineNr">235 </span>  <span class="Comment">// a container we don't have the size for</span>
 <span id="L236" class="LineNr">236 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:point&quot;</span><span class="Delimiter">);</span>
-<span id="L237" class="LineNr">237 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L237" class="LineNr">237 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L238" class="LineNr">238 </span>  <span class="Comment">// scanning an address to an array of the container precomputes the size of the container</span>
 <span id="L239" class="LineNr">239 </span>  reagent r<span class="Delimiter">(</span><span class="Constant">&quot;x:array:point:10&quot;</span><span class="Delimiter">);</span>
 <span id="L240" class="LineNr">240 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L241" class="LineNr">241 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L242" class="LineNr">242 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span>size<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
 <span id="L243" class="LineNr">243 </span>  <span class="Comment">// no non-container types precomputed</span>
-<span id="L244" class="LineNr">244 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L244" class="LineNr">244 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L245" class="LineNr">245 </span><span class="Delimiter">}</span>
 <span id="L246" class="LineNr">246 </span>
 <span id="L247" class="LineNr">247 </span><span class="Normal">void</span> <a href='032array.cc.html#L247'>test_container_sizes_from_address_to_static_array</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L248" class="LineNr">248 </span>  <span class="Comment">// a container we don't have the size for</span>
 <span id="L249" class="LineNr">249 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:point&quot;</span><span class="Delimiter">);</span>
-<span id="L250" class="LineNr">250 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L250" class="LineNr">250 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L251" class="LineNr">251 </span>  <span class="Comment">// scanning an address to an array of the container precomputes the size of the container</span>
 <span id="L252" class="LineNr">252 </span>  reagent r<span class="Delimiter">(</span><span class="Constant">&quot;x:<a href='043space.cc.html#L76'>address</a>:array:point:10&quot;</span><span class="Delimiter">);</span>
 <span id="L253" class="LineNr">253 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L254" class="LineNr">254 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L255" class="LineNr">255 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span>size<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Comment">// no non-container types precomputed</span>
-<span id="L257" class="LineNr">257 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L257" class="LineNr">257 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L258" class="LineNr">258 </span><span class="Delimiter">}</span>
 <span id="L259" class="LineNr">259 </span>
 <span id="L260" class="LineNr">260 </span><span class="Normal">void</span> <a href='032array.cc.html#L260'>test_container_sizes_from_repeated_address_and_array_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L261" class="LineNr">261 </span>  <span class="Comment">// a container we don't have the size for</span>
 <span id="L262" class="LineNr">262 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:point&quot;</span><span class="Delimiter">);</span>
-<span id="L263" class="LineNr">263 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L263" class="LineNr">263 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L264" class="LineNr">264 </span>  <span class="Comment">// scanning repeated address and array types modifying the container precomputes the size of the container</span>
 <span id="L265" class="LineNr">265 </span>  reagent r<span class="Delimiter">(</span><span class="Constant">&quot;x:<a href='043space.cc.html#L76'>address</a>:array:<a href='043space.cc.html#L76'>address</a>:array:point:10&quot;</span><span class="Delimiter">);</span>
 <span id="L266" class="LineNr">266 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L267" class="LineNr">267 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L268" class="LineNr">268 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span>size<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
 <span id="L269" class="LineNr">269 </span>  <span class="Comment">// no non-container types precomputed</span>
-<span id="L270" class="LineNr">270 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L270" class="LineNr">270 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L271" class="LineNr">271 </span><span class="Delimiter">}</span>
 <span id="L272" class="LineNr">272 </span>
 <span id="L273" class="LineNr">273 </span><span class="Normal">void</span> <a href='032array.cc.html#L273'>test_container_sizes_on_unknown_type</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L274" class="LineNr">274 </span>  <span class="Comment">// a container we don't have the size for</span>
 <span id="L275" class="LineNr">275 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:point&quot;</span><span class="Delimiter">);</span>
-<span id="L276" class="LineNr">276 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L277" class="LineNr">277 </span>  <span class="Comment">// scanning address to array with a typo</span>
 <span id="L278" class="LineNr">278 </span>  reagent r<span class="Delimiter">(</span><span class="Constant">&quot;x:<a href='043space.cc.html#L76'>address</a>:array:adress:number&quot;</span><span class="Delimiter">);</span>
 <span id="L279" class="LineNr">279 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// should not crash</span>
 <span id="L280" class="LineNr">280 </span>  <span class="Comment">// no non-container types precomputed</span>
-<span id="L281" class="LineNr">281 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">),</span> old_size<span class="Delimiter">);</span>
+<span id="L281" class="LineNr">281 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">),</span> old_size<span class="Delimiter">);</span>
 <span id="L282" class="LineNr">282 </span><span class="Delimiter">}</span>
 <span id="L283" class="LineNr">283 </span>
 <span id="L284" class="LineNr">284 </span><span class="SalientComment">//:: To access elements of an array, use 'index'</span>
@@ -382,10 +382,10 @@ if ('onhashchange' in window) {
 <span id="L317" class="LineNr">317 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L318" class="LineNr">318 </span>INDEX<span class="Delimiter">,</span>
 <span id="L319" class="LineNr">319 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L320" class="LineNr">320 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;index&quot;</span><span class="Delimiter">,</span> INDEX<span class="Delimiter">);</span>
+<span id="L320" class="LineNr">320 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;index&quot;</span><span class="Delimiter">,</span> INDEX<span class="Delimiter">);</span>
 <span id="L321" class="LineNr">321 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L322" class="LineNr">322 </span><span class="Normal">case</span> INDEX: <span class="Delimiter">{</span>
-<span id="L323" class="LineNr">323 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L323" class="LineNr">323 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L324" class="LineNr">324 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'index' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L325" class="LineNr">325 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L326" class="LineNr">326 </span>  <span class="Delimiter">}</span>
@@ -425,7 +425,7 @@ if ('onhashchange' in window) {
 <span id="L360" class="LineNr">360 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L361" class="LineNr">361 </span>  <span class="Comment">// Update INDEX index in Run</span>
 <span id="L362" class="LineNr">362 </span>  vector&lt;<span class="Normal">double</span>&gt; index_val<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>index<span class="Delimiter">));</span>
-<span id="L363" class="LineNr">363 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L363" class="LineNr">363 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L364" class="LineNr">364 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;invalid index &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L365" class="LineNr">365 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L366" class="LineNr">366 </span>  <span class="Delimiter">}</span>
@@ -469,15 +469,15 @@ if ('onhashchange' in window) {
 <span id="L404" class="LineNr">404 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
 <span id="L405" class="LineNr">405 </span>  <span class="Delimiter">}</span>
 <span id="L406" class="LineNr">406 </span>  <span class="Comment">// this should never happen at transform time</span>
-<span id="L407" class="LineNr">407 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
+<span id="L407" class="LineNr">407 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
 <span id="L408" class="LineNr">408 </span><span class="Delimiter">}</span>
 <span id="L409" class="LineNr">409 </span>
 <span id="L410" class="LineNr">410 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
 <span id="L411" class="LineNr">411 </span><span class="Normal">void</span> <a href='032array.cc.html#L411'>test_array_length_compound</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L412" class="LineNr">412 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
-<span id="L413" class="LineNr">413 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">14</span><span class="Delimiter">);</span>
-<span id="L414" class="LineNr">414 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">);</span>
-<span id="L415" class="LineNr">415 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">);</span>
+<span id="L412" class="LineNr">412 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
+<span id="L413" class="LineNr">413 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">14</span><span class="Delimiter">);</span>
+<span id="L414" class="LineNr">414 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">);</span>
+<span id="L415" class="LineNr">415 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">);</span>
 <span id="L416" class="LineNr">416 </span>  reagent x<span class="Delimiter">(</span><span class="Constant">&quot;1:array:<a href='043space.cc.html#L76'>address</a>:num&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// 3 types, but not a static array</span>
 <span id="L417" class="LineNr">417 </span>  <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
 <span id="L418" class="LineNr">418 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='032array.cc.html#L398'>array_length</a><span class="Delimiter">(</span>x<span class="Delimiter">),</span> <span class="Constant">3</span><span class="Delimiter">);</span>
@@ -568,10 +568,10 @@ if ('onhashchange' in window) {
 <span id="L503" class="LineNr">503 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L504" class="LineNr">504 </span>PUT_INDEX<span class="Delimiter">,</span>
 <span id="L505" class="LineNr">505 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L506" class="LineNr">506 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;put-index&quot;</span><span class="Delimiter">,</span> PUT_INDEX<span class="Delimiter">);</span>
+<span id="L506" class="LineNr">506 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;put-index&quot;</span><span class="Delimiter">,</span> PUT_INDEX<span class="Delimiter">);</span>
 <span id="L507" class="LineNr">507 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L508" class="LineNr">508 </span><span class="Normal">case</span> PUT_INDEX: <span class="Delimiter">{</span>
-<span id="L509" class="LineNr">509 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L509" class="LineNr">509 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L510" class="LineNr">510 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put-index' expects exactly 3 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L511" class="LineNr">511 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L512" class="LineNr">512 </span>  <span class="Delimiter">}</span>
@@ -615,7 +615,7 @@ if ('onhashchange' in window) {
 <span id="L550" class="LineNr">550 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L551" class="LineNr">551 </span>  <span class="Comment">// Update PUT_INDEX index in Run</span>
 <span id="L552" class="LineNr">552 </span>  vector&lt;<span class="Normal">double</span>&gt; index_val<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>index<span class="Delimiter">));</span>
-<span id="L553" class="LineNr">553 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L553" class="LineNr">553 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L554" class="LineNr">554 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;invalid index &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L555" class="LineNr">555 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L556" class="LineNr">556 </span>  <span class="Delimiter">}</span>
@@ -626,9 +626,9 @@ if ('onhashchange' in window) {
 <span id="L561" class="LineNr">561 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L562" class="LineNr">562 </span>  vector&lt;<span class="Normal">double</span>&gt; value = read_memory<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span>
 <span id="L563" class="LineNr">563 </span>  <span class="Comment">// Write Memory in PUT_INDEX in Run</span>
-<span id="L564" class="LineNr">564 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>value<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L564" class="LineNr">564 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>value<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L565" class="LineNr">565 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; address+i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L566" class="LineNr">566 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">,</span> value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L566" class="LineNr">566 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">,</span> value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L567" class="LineNr">567 </span>  <span class="Delimiter">}</span>
 <span id="L568" class="LineNr">568 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L569" class="LineNr">569 </span><span class="Delimiter">}</span>
@@ -688,10 +688,10 @@ if ('onhashchange' in window) {
 <span id="L623" class="LineNr">623 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L624" class="LineNr">624 </span>LENGTH<span class="Delimiter">,</span>
 <span id="L625" class="LineNr">625 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L626" class="LineNr">626 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;length&quot;</span><span class="Delimiter">,</span> LENGTH<span class="Delimiter">);</span>
+<span id="L626" class="LineNr">626 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;length&quot;</span><span class="Delimiter">,</span> LENGTH<span class="Delimiter">);</span>
 <span id="L627" class="LineNr">627 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L628" class="LineNr">628 </span><span class="Normal">case</span> LENGTH: <span class="Delimiter">{</span>
-<span id="L629" class="LineNr">629 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L629" class="LineNr">629 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L630" class="LineNr">630 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'length' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L631" class="LineNr">631 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L632" class="LineNr">632 </span>  <span class="Delimiter">}</span>
@@ -712,7 +712,7 @@ if ('onhashchange' in window) {
 <span id="L647" class="LineNr">647 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L648" class="LineNr">648 </span>  <span class="Delimiter">}</span>
 <span id="L649" class="LineNr">649 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L650" class="LineNr">650 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> array<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
+<span id="L650" class="LineNr">650 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> array<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
 <span id="L651" class="LineNr">651 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L652" class="LineNr">652 </span><span class="Delimiter">}</span>
 <span id="L653" class="LineNr">653 </span>
diff --git a/html/033exclusive_container.cc.html b/html/033exclusive_container.cc.html
index 10cfd6ce..31803282 100644
--- a/html/033exclusive_container.cc.html
+++ b/html/033exclusive_container.cc.html
@@ -72,8 +72,8 @@ if ('onhashchange' in window) {
 <span id="L7" class="LineNr">  7 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
 <span id="L8" class="LineNr">  8 </span><span class="Comment">//: We'll use this container as a running example, with two number elements.</span>
 <span id="L9" class="LineNr">  9 </span><span class="Delimiter">{</span>
-<span id="L10" class="LineNr"> 10 </span><a href='010vm.cc.html#L123'>type_ordinal</a> tmp = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L11" class="LineNr"> 11 </span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
+<span id="L10" class="LineNr"> 10 </span><a href='010vm.cc.html#L123'>type_ordinal</a> tmp = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L11" class="LineNr"> 11 </span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
 <span id="L12" class="LineNr"> 12 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">;</span>
 <span id="L13" class="LineNr"> 13 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>name = <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">;</span>
 <span id="L14" class="LineNr"> 14 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;i:number&quot;</span><span class="Delimiter">));</span>
@@ -111,7 +111,7 @@ if ('onhashchange' in window) {
 <span id="L46" class="LineNr"> 46 </span>  <span class="Comment">// (So, like containers, it can only contain arrays if they're static and</span>
 <span id="L47" class="LineNr"> 47 </span>  <span class="Comment">// include their length in the type.)</span>
 <span id="L48" class="LineNr"> 48 </span>  container_metadata metadata<span class="Delimiter">;</span>
-<span id="L49" class="LineNr"> 49 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>exclusive_container_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L49" class="LineNr"> 49 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exclusive_container_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = exclusive_container_info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Conceal">¦</span> <span class="Comment">// Compute Exclusive Container Size(element, full_type)</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Conceal">¦</span> compute_container_sizes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
@@ -131,7 +131,7 @@ if ('onhashchange' in window) {
 <span id="L66" class="LineNr"> 66 </span><span class="Comment">//: 'maybe-convert' requires a literal in ingredient 1. We'll use a synonym</span>
 <span id="L67" class="LineNr"> 67 </span><span class="Comment">//: called 'variant'.</span>
 <span id="L68" class="LineNr"> 68 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L69" class="LineNr"> 69 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;variant&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L69" class="LineNr"> 69 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;variant&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L70" class="LineNr"> 70 </span>
 <span id="L71" class="LineNr"> 71 </span><span class="Delimiter">:(scenario maybe_convert)</span>
 <span id="L72" class="LineNr"> 72 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
@@ -160,11 +160,11 @@ if ('onhashchange' in window) {
 <span id="L95" class="LineNr"> 95 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L96" class="LineNr"> 96 </span>MAYBE_CONVERT<span class="Delimiter">,</span>
 <span id="L97" class="LineNr"> 97 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L98" class="LineNr"> 98 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;maybe-convert&quot;</span><span class="Delimiter">,</span> MAYBE_CONVERT<span class="Delimiter">);</span>
+<span id="L98" class="LineNr"> 98 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;maybe-convert&quot;</span><span class="Delimiter">,</span> MAYBE_CONVERT<span class="Delimiter">);</span>
 <span id="L99" class="LineNr"> 99 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L100" class="LineNr">100 </span><span class="Normal">case</span> MAYBE_CONVERT: <span class="Delimiter">{</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
-<span id="L102" class="LineNr">102 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L102" class="LineNr">102 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'maybe-convert' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L105" class="LineNr">105 </span>  <span class="Delimiter">}</span>
@@ -185,7 +185,7 @@ if ('onhashchange' in window) {
 <span id="L120" class="LineNr">120 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L121" class="LineNr">121 </span>  <span class="Delimiter">}</span>
 <span id="L122" class="LineNr">122 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L123" class="LineNr">123 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L123" class="LineNr">123 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L124" class="LineNr">124 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'maybe-convert' expects exactly 2 products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L125" class="LineNr">125 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L126" class="LineNr">126 </span>  <span class="Delimiter">}</span>
@@ -193,7 +193,7 @@ if ('onhashchange' in window) {
 <span id="L128" class="LineNr">128 </span>  <span class="Comment">// Update MAYBE_CONVERT product in Check</span>
 <span id="L129" class="LineNr">129 </span>  reagent&amp; offset = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L130" class="LineNr">130 </span>  <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>offset<span class="Delimiter">);</span>
-<span id="L131" class="LineNr">131 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset<span class="Delimiter">.</span>value &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L131" class="LineNr">131 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset<span class="Delimiter">.</span>value &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L132" class="LineNr">132 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;invalid tag &quot;</span> &lt;&lt; offset<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Delimiter">}</span>
@@ -226,22 +226,22 @@ if ('onhashchange' in window) {
 <span id="L161" class="LineNr">161 </span>  <span class="Comment">// Update MAYBE_CONVERT status in Run</span>
 <span id="L162" class="LineNr">162 </span>  <span class="Comment">// optimization: directly write results to only update first product when necessary</span>
 <span id="L163" class="LineNr">163 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L164" class="LineNr">164 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>tag == <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L164" class="LineNr">164 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>tag == <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L165" class="LineNr">165 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; variant = variant_type<span class="Delimiter">(</span>base<span class="Delimiter">,</span> tag<span class="Delimiter">);</span>
 <span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 1 in location &quot;</span> &lt;&lt; status<span class="Delimiter">.</span>value &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L168" class="LineNr">168 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_dummy<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// Write Memory in Successful MAYBE_CONVERT in Run</span>
 <span id="L170" class="LineNr">170 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; size_of<span class="Delimiter">(</span>variant<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">double</span> val = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+i<span class="Delimiter">);</span>
+<span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">double</span> val = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+i<span class="Delimiter">);</span>
 <span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>val<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; product<span class="Delimiter">.</span>value+i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L173" class="LineNr">173 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> product<span class="Delimiter">.</span>value+i<span class="Delimiter">,</span> val<span class="Delimiter">);</span>
+<span id="L173" class="LineNr">173 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> product<span class="Delimiter">.</span>value+i<span class="Delimiter">,</span> val<span class="Delimiter">);</span>
 <span id="L174" class="LineNr">174 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L176" class="LineNr">176 </span>  <span class="Delimiter">}</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L178" class="LineNr">178 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0 in location &quot;</span> &lt;&lt; status<span class="Delimiter">.</span>value &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L180" class="LineNr">180 </span>  <span class="Delimiter">}</span>
 <span id="L181" class="LineNr">181 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L182" class="LineNr">182 </span><span class="Delimiter">}</span>
@@ -393,7 +393,7 @@ if ('onhashchange' in window) {
 <span id="L328" class="LineNr">328 </span>  <span class="Delimiter">}</span>
 <span id="L329" class="LineNr">329 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">);</span>  <span class="Comment">// unnecessary copy just to keep this function from modifying caller</span>
 <span id="L330" class="LineNr">330 </span>  <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
-<span id="L331" class="LineNr">331 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient<span class="Delimiter">.</span>value &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L331" class="LineNr">331 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient<span class="Delimiter">.</span>value &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L332" class="LineNr">332 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;invalid tag at &quot;</span> &lt;&lt; ingredient_index &lt;&lt; <span class="Constant">&quot; for '&quot;</span> &lt;&lt; container_info<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L333" class="LineNr">333 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L334" class="LineNr">334 </span>  <span class="Delimiter">}</span>
@@ -502,7 +502,7 @@ if ('onhashchange' in window) {
 <span id="L437" class="LineNr">437 </span><span class="Comment">//: Since the different variants of an exclusive-container might have</span>
 <span id="L438" class="LineNr">438 </span><span class="Comment">//: different sizes, relax the size mismatch check for 'merge' instructions.</span>
 <span id="L439" class="LineNr">439 </span><span class="Delimiter">:(before &quot;End size_mismatch(x) Special-cases&quot;)</span>
-<span id="L440" class="LineNr">440 </span><span class="Normal">if</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">())</span>
+<span id="L440" class="LineNr">440 </span><span class="Normal">if</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">())</span>
 <span id="L441" class="LineNr">441 </span>  <span class="Conceal">¦</span> &amp;&amp; current_instruction<span class="Delimiter">().</span>operation == MERGE
 <span id="L442" class="LineNr">442 </span>  <span class="Conceal">¦</span> &amp;&amp; !current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span>
 <span id="L443" class="LineNr">443 </span>  <span class="Conceal">¦</span> &amp;&amp; current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -511,7 +511,7 @@ if ('onhashchange' in window) {
 <span id="L446" class="LineNr">446 </span>  <span class="Normal">const</span> type_tree* root_type = x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom ? x<span class="Delimiter">.</span>type : x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
 <span id="L447" class="LineNr">447 </span>  assert<span class="Delimiter">(</span>root_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L448" class="LineNr">448 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span>
-<span id="L449" class="LineNr">449 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>
+<span id="L449" class="LineNr">449 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>
 <span id="L450" class="LineNr">450 </span><span class="Delimiter">}</span>
 <span id="L451" class="LineNr">451 </span>
 <span id="L452" class="LineNr">452 </span><span class="Delimiter">:(scenario merge_exclusive_container_with_mismatched_sizes)</span>
diff --git a/html/034address.cc.html b/html/034address.cc.html
index cbdd3a35..1d61983e 100644
--- a/html/034address.cc.html
+++ b/html/034address.cc.html
@@ -213,7 +213,7 @@ if ('onhashchange' in window) {
 <span id="L149" class="LineNr">149 </span>
 <span id="L150" class="LineNr">150 </span><span class="Comment">//: 'new' takes a weird 'type' as its first ingredient; don't error on it</span>
 <span id="L151" class="LineNr">151 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L152" class="LineNr">152 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;type&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L152" class="LineNr">152 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;type&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L153" class="LineNr">153 </span><span class="Delimiter">:(code)</span>
 <span id="L154" class="LineNr">154 </span><span class="Normal">bool</span> is_mu_type_literal<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L155" class="LineNr">155 </span>  <span class="Identifier">return</span> is_literal<span class="Delimiter">(</span>r<span class="Delimiter">)</span> &amp;&amp; r<span class="Delimiter">.</span>type &amp;&amp; r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;type&quot;</span><span class="Delimiter">;</span>
@@ -222,11 +222,11 @@ if ('onhashchange' in window) {
 <span id="L158" class="LineNr">158 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L159" class="LineNr">159 </span>NEW<span class="Delimiter">,</span>
 <span id="L160" class="LineNr">160 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L161" class="LineNr">161 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;new&quot;</span><span class="Delimiter">,</span> NEW<span class="Delimiter">);</span>
+<span id="L161" class="LineNr">161 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;new&quot;</span><span class="Delimiter">,</span> NEW<span class="Delimiter">);</span>
 <span id="L162" class="LineNr">162 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L163" class="LineNr">163 </span><span class="Normal">case</span> NEW: <span class="Delimiter">{</span>
 <span id="L164" class="LineNr">164 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
-<span id="L165" class="LineNr">165 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> || <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L165" class="LineNr">165 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> || <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'new' requires one or two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L168" class="LineNr">168 </span>  <span class="Delimiter">}</span>
@@ -236,7 +236,7 @@ if ('onhashchange' in window) {
 <span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'new' should be a type, but got '&quot;</span> &lt;&lt; type<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L173" class="LineNr">173 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L174" class="LineNr">174 </span>  <span class="Delimiter">}</span>
-<span id="L175" class="LineNr">175 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L175" class="LineNr">175 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'new' should be a number (array length), but got '&quot;</span> &lt;&lt; type<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L178" class="LineNr">178 </span>  <span class="Delimiter">}</span>
@@ -257,7 +257,7 @@ if ('onhashchange' in window) {
 <span id="L193" class="LineNr">193 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!product<span class="Delimiter">.</span>type || product<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || product<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">))</span>
 <span id="L194" class="LineNr">194 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L195" class="LineNr">195 </span>  drop_from_type<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-<span id="L196" class="LineNr">196 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L196" class="LineNr">196 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L197" class="LineNr">197 </span>  <span class="Conceal">¦</span> <span class="Comment">// array allocation</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!product<span class="Delimiter">.</span>type || product<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || product<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">))</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
@@ -337,7 +337,7 @@ if ('onhashchange' in window) {
 <span id="L273" class="LineNr">273 </span><span class="Delimiter">:(code)</span>
 <span id="L274" class="LineNr">274 </span><span class="Normal">void</span> transform_new_to_allocate<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L275" class="LineNr">275 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- convert 'new' to 'allocate' for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L276" class="LineNr">276 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L277" class="LineNr">277 </span>  <span class="Conceal">¦</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L278" class="LineNr">278 </span>  <span class="Conceal">¦</span> <span class="Comment">// Convert 'new' To 'allocate'</span>
 <span id="L279" class="LineNr">279 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -371,21 +371,21 @@ if ('onhashchange' in window) {
 <span id="L307" class="LineNr">307 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L308" class="LineNr">308 </span>ALLOCATE<span class="Delimiter">,</span>
 <span id="L309" class="LineNr">309 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L310" class="LineNr">310 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;allocate&quot;</span><span class="Delimiter">,</span> ALLOCATE<span class="Delimiter">);</span>
+<span id="L310" class="LineNr">310 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;allocate&quot;</span><span class="Delimiter">,</span> ALLOCATE<span class="Delimiter">);</span>
 <span id="L311" class="LineNr">311 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L312" class="LineNr">312 </span><span class="Normal">case</span> ALLOCATE: <span class="Delimiter">{</span>
 <span id="L313" class="LineNr">313 </span>  <span class="Comment">// compute the space we need</span>
 <span id="L314" class="LineNr">314 </span>  <span class="Normal">int</span> size = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L315" class="LineNr">315 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L315" class="LineNr">315 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L316" class="LineNr">316 </span>  <span class="Conceal">¦</span> <span class="Comment">// array allocation</span>
 <span id="L317" class="LineNr">317 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;array length is &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L318" class="LineNr">318 </span>  <span class="Conceal">¦</span> size = <span class="Comment">/*</span><span class="Comment">space for length</span><span class="Comment">*/</span><span class="Constant">1</span> + size*ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L319" class="LineNr">319 </span>  <span class="Delimiter">}</span>
 <span id="L320" class="LineNr">320 </span>  <span class="Normal">int</span> result = allocate<span class="Delimiter">(</span>size<span class="Delimiter">);</span>
-<span id="L321" class="LineNr">321 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L321" class="LineNr">321 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Conceal">¦</span> <span class="Comment">// initialize array length</span>
 <span id="L323" class="LineNr">323 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; result+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L324" class="LineNr">324 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
+<span id="L324" class="LineNr">324 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L325" class="LineNr">325 </span>  <span class="Delimiter">}</span>
 <span id="L326" class="LineNr">326 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L327" class="LineNr">327 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
@@ -407,7 +407,7 @@ if ('onhashchange' in window) {
 <span id="L343" class="LineNr">343 </span>  <span class="Comment">// initialize allocated space</span>
 <span id="L344" class="LineNr">344 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a> = result<span class="Delimiter">;</span>  <a href='043space.cc.html#L76'>address</a> &lt; result+size<span class="Delimiter">;</span>  ++address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L345" class="LineNr">345 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0 in location &quot;</span> &lt;&lt; <a href='043space.cc.html#L76'>address</a> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L346" class="LineNr">346 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L346" class="LineNr">346 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L347" class="LineNr">347 </span>  <span class="Delimiter">}</span>
 <span id="L348" class="LineNr">348 </span>  Current_routine<span class="Delimiter">-&gt;</span>alloc += size<span class="Delimiter">;</span>
 <span id="L349" class="LineNr">349 </span>  <span class="Comment">// no support yet for reclaiming memory between routines</span>
diff --git a/html/035lookup.cc.html b/html/035lookup.cc.html
index 0ca35f04..d5e48d17 100644
--- a/html/035lookup.cc.html
+++ b/html/035lookup.cc.html
@@ -164,8 +164,8 @@ if ('onhashchange' in window) {
 <span id="L99" class="LineNr"> 99 </span>
 <span id="L100" class="LineNr">100 </span><span class="Normal">void</span> lookup_memory_core<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">bool</span> check_for_null<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L102" class="LineNr">102 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L103" class="LineNr">103 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
+<span id="L102" class="LineNr">102 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L103" class="LineNr">103 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
 <span id="L104" class="LineNr">104 </span>  drop_from_type<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
 <span id="L105" class="LineNr">105 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;skipping refcount at &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -183,7 +183,7 @@ if ('onhashchange' in window) {
 <span id="L118" class="LineNr">118 </span><span class="Normal">void</span> test_lookup_address_skips_refcount<span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L119" class="LineNr">119 </span>  reagent x<span class="Delimiter">(</span><span class="Constant">&quot;*x:<a href='043space.cc.html#L76'>address</a>:num&quot;</span><span class="Delimiter">);</span>
 <span id="L120" class="LineNr">120 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">34</span><span class="Delimiter">);</span>  <span class="Comment">// unsafe</span>
-<span id="L121" class="LineNr">121 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">1000</span><span class="Delimiter">);</span>
+<span id="L121" class="LineNr">121 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">1000</span><span class="Delimiter">);</span>
 <span id="L122" class="LineNr">122 </span>  lookup_memory<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
 <span id="L123" class="LineNr">123 </span>  <a href='003trace.cc.html#L218'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span><span class="Constant">&quot;mem: skipping refcount at 1000&quot;</span><span class="Delimiter">);</span>
 <span id="L124" class="LineNr">124 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">1001</span><span class="Delimiter">);</span>
@@ -193,7 +193,7 @@ if ('onhashchange' in window) {
 <span id="L128" class="LineNr">128 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L129" class="LineNr">129 </span>  reagent x<span class="Delimiter">(</span><span class="Constant">&quot;*x:<a href='043space.cc.html#L76'>address</a>:num&quot;</span><span class="Delimiter">);</span>
 <span id="L130" class="LineNr">130 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">34</span><span class="Delimiter">);</span>  <span class="Comment">// unsafe</span>
-<span id="L131" class="LineNr">131 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L131" class="LineNr">131 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L132" class="LineNr">132 </span>  lookup_memory<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
 <span id="L133" class="LineNr">133 </span>  <a href='003trace.cc.html#L238'>CHECK_TRACE_DOESNT_CONTAIN</a><span class="Delimiter">(</span><span class="Constant">&quot;mem: skipping refcount at 0&quot;</span><span class="Delimiter">);</span>
 <span id="L134" class="LineNr">134 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
@@ -306,7 +306,7 @@ if ('onhashchange' in window) {
 <span id="L241" class="LineNr">241 </span>  <span class="Comment"># 10 reserved for refcount</span>
 <span id="L242" class="LineNr">242 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
 <span id="L243" class="LineNr">243 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
-<span id="L244" class="LineNr">244 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point/lookup<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
+<span id="L244" class="LineNr">244 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point/lookup<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
 <span id="L245" class="LineNr">245 </span>]
 <span id="L246" class="LineNr">246 </span><span class="traceContains">+mem: storing 36 in location 11</span>
 <span id="L247" class="LineNr">247 </span>
@@ -324,7 +324,7 @@ if ('onhashchange' in window) {
 <span id="L259" class="LineNr">259 </span>  <span class="Comment"># 10 reserved for refcount</span>
 <span id="L260" class="LineNr">260 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
 <span id="L261" class="LineNr">261 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
-<span id="L262" class="LineNr">262 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
+<span id="L262" class="LineNr">262 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
 <span id="L263" class="LineNr">263 </span>]
 <span id="L264" class="LineNr">264 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put' must be first ingredient '1:address:point/lookup', but got '1:address:point'</span>
 <span id="L265" class="LineNr">265 </span>
@@ -560,7 +560,7 @@ if ('onhashchange' in window) {
 <span id="L495" class="LineNr">495 </span>
 <span id="L496" class="LineNr">496 </span><span class="Delimiter">:(before &quot;End Parsing reagent&quot;)</span>
 <span id="L497" class="LineNr">497 </span><span class="Delimiter">{</span>
-<span id="L498" class="LineNr">498 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;*&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L498" class="LineNr">498 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;*&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L499" class="LineNr">499 </span>  <span class="Conceal">¦</span> name<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L500" class="LineNr">500 </span>  <span class="Conceal">¦</span> properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span><span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
 <span id="L501" class="LineNr">501 </span>  <span class="Delimiter">}</span>
@@ -573,12 +573,12 @@ if ('onhashchange' in window) {
 <span id="L508" class="LineNr">508 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L509" class="LineNr">509 </span>_DUMP<span class="Delimiter">,</span>
 <span id="L510" class="LineNr">510 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L511" class="LineNr">511 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump&quot;</span><span class="Delimiter">,</span> _DUMP<span class="Delimiter">);</span>
+<span id="L511" class="LineNr">511 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump&quot;</span><span class="Delimiter">,</span> _DUMP<span class="Delimiter">);</span>
 <span id="L512" class="LineNr">512 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L513" class="LineNr">513 </span><span class="Normal">case</span> _DUMP: <span class="Delimiter">{</span>
 <span id="L514" class="LineNr">514 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> after_canonize = current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L515" class="LineNr">515 </span>  canonize<span class="Delimiter">(</span>after_canonize<span class="Delimiter">);</span>
-<span id="L516" class="LineNr">516 </span>  cerr &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">' '</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L516" class="LineNr">516 </span>  cerr &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">' '</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L517" class="LineNr">517 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L518" class="LineNr">518 </span><span class="Delimiter">}</span>
 <span id="L519" class="LineNr">519 </span>
@@ -589,11 +589,11 @@ if ('onhashchange' in window) {
 <span id="L524" class="LineNr">524 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L525" class="LineNr">525 </span>_BAR<span class="Delimiter">,</span>
 <span id="L526" class="LineNr">526 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L527" class="LineNr">527 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$bar&quot;</span><span class="Delimiter">,</span> _BAR<span class="Delimiter">);</span>
+<span id="L527" class="LineNr">527 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$bar&quot;</span><span class="Delimiter">,</span> _BAR<span class="Delimiter">);</span>
 <span id="L528" class="LineNr">528 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L529" class="LineNr">529 </span><span class="Normal">case</span> _BAR: <span class="Delimiter">{</span>
 <span id="L530" class="LineNr">530 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L531" class="LineNr">531 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Bar != -<span class="Constant">1</span><span class="Delimiter">)</span> cerr &lt;&lt; Bar &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> Bar<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L531" class="LineNr">531 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Bar != -<span class="Constant">1</span><span class="Delimiter">)</span> cerr &lt;&lt; Bar &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> Bar<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L532" class="LineNr">532 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> cerr &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L533" class="LineNr">533 </span>  <span class="Delimiter">}</span>
 <span id="L534" class="LineNr">534 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
diff --git a/html/036refcount.cc.html b/html/036refcount.cc.html
index 1be5a322..14614054 100644
--- a/html/036refcount.cc.html
+++ b/html/036refcount.cc.html
@@ -88,7 +88,7 @@ if ('onhashchange' in window) {
 <span id="L23" class="LineNr">  23 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
 <span id="L24" class="LineNr">  24 </span><span class="Normal">bool</span> Reclaim_memory = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L25" class="LineNr">  25 </span><span class="Delimiter">:(before &quot;End Commandline Options(*arg)&quot;)</span>
-<span id="L26" class="LineNr">  26 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--no-reclaim&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L26" class="LineNr">  26 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--no-reclaim&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L27" class="LineNr">  27 </span>  cerr &lt;&lt; <span class="Constant">&quot;Disabling memory reclamation. Some tests will fail.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L28" class="LineNr">  28 </span>  Reclaim_memory = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L29" class="LineNr">  29 </span><span class="Delimiter">}</span>
@@ -119,16 +119,16 @@ if ('onhashchange' in window) {
 <span id="L54" class="LineNr">  54 </span>  assert<span class="Delimiter">(</span>new_address &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L55" class="LineNr">  55 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>new_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L56" class="LineNr">  56 </span>  ++Total_refcount_updates<span class="Delimiter">;</span>
-<span id="L57" class="LineNr">  57 </span>  <span class="Normal">int</span> new_refcount = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> new_address<span class="Delimiter">);</span>
+<span id="L57" class="LineNr">  57 </span>  <span class="Normal">int</span> new_refcount = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> new_address<span class="Delimiter">);</span>
 <span id="L58" class="LineNr">  58 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;incrementing refcount of &quot;</span> &lt;&lt; new_address &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; new_refcount &lt;&lt; <span class="Constant">&quot; -&gt; &quot;</span> &lt;&lt; new_refcount+<span class="Constant">1</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L59" class="LineNr">  59 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> new_address<span class="Delimiter">,</span> new_refcount+<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L59" class="LineNr">  59 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> new_address<span class="Delimiter">,</span> new_refcount+<span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L60" class="LineNr">  60 </span><span class="Delimiter">}</span>
 <span id="L61" class="LineNr">  61 </span>
 <span id="L62" class="LineNr">  62 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L62'>decrement_any_refcounts</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; canonized_x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L63" class="LineNr">  63 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>canonized_x<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L64" class="LineNr">  64 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>canonized_x<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
 <span id="L65" class="LineNr">  65 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>!canonized_x<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>size<span class="Delimiter">);</span>
-<span id="L66" class="LineNr">  66 </span>  <span class="Conceal">¦</span> <a href='036refcount.cc.html#L71'>decrement_refcount</a><span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> canonized_x<span class="Delimiter">.</span>value<span class="Delimiter">),</span> <a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">(</span>canonized_x<span class="Delimiter">.</span>type<span class="Delimiter">),</span> <a href='036refcount.cc.html#L93'>payload_size</a><span class="Delimiter">(</span>canonized_x<span class="Delimiter">));</span>
+<span id="L66" class="LineNr">  66 </span>  <span class="Conceal">¦</span> <a href='036refcount.cc.html#L71'>decrement_refcount</a><span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> canonized_x<span class="Delimiter">.</span>value<span class="Delimiter">),</span> <a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">(</span>canonized_x<span class="Delimiter">.</span>type<span class="Delimiter">),</span> <a href='036refcount.cc.html#L93'>payload_size</a><span class="Delimiter">(</span>canonized_x<span class="Delimiter">));</span>
 <span id="L67" class="LineNr">  67 </span>  <span class="Delimiter">}</span>
 <span id="L68" class="LineNr">  68 </span>  <span class="Comment">// End Decrement Refcounts(canonized_x)</span>
 <span id="L69" class="LineNr">  69 </span><span class="Delimiter">}</span>
@@ -137,10 +137,10 @@ if ('onhashchange' in window) {
 <span id="L72" class="LineNr">  72 </span>  assert<span class="Delimiter">(</span>old_address &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L73" class="LineNr">  73 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>old_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L74" class="LineNr">  74 </span>  ++Total_refcount_updates<span class="Delimiter">;</span>
-<span id="L75" class="LineNr">  75 </span>  <span class="Normal">int</span> old_refcount = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> old_address<span class="Delimiter">);</span>
+<span id="L75" class="LineNr">  75 </span>  <span class="Normal">int</span> old_refcount = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> old_address<span class="Delimiter">);</span>
 <span id="L76" class="LineNr">  76 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;decrementing refcount of &quot;</span> &lt;&lt; old_address &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; old_refcount &lt;&lt; <span class="Constant">&quot; -&gt; &quot;</span> &lt;&lt; old_refcount-<span class="Constant">1</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L77" class="LineNr">  77 </span>  --old_refcount<span class="Delimiter">;</span>
-<span id="L78" class="LineNr">  78 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> old_address<span class="Delimiter">,</span> old_refcount<span class="Delimiter">);</span>
+<span id="L78" class="LineNr">  78 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> old_address<span class="Delimiter">,</span> old_refcount<span class="Delimiter">);</span>
 <span id="L79" class="LineNr">  79 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>old_refcount &lt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L80" class="LineNr">  80 </span>  <span class="Conceal">¦</span> tb_shutdown<span class="Delimiter">();</span>
 <span id="L81" class="LineNr">  81 </span>  <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">&quot;Negative refcount!!! &quot;</span> &lt;&lt; old_address &lt;&lt; <span class="Constant">' '</span> &lt;&lt; old_refcount &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
@@ -202,13 +202,13 @@ if ('onhashchange' in window) {
 <span id="L137" class="LineNr"> 137 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L138" class="LineNr"> 138 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
 <span id="L139" class="LineNr"> 139 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">foo:type</span>
-<span id="L140" class="LineNr"> 140 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
+<span id="L140" class="LineNr"> 140 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
 <span id="L141" class="LineNr"> 141 </span>]
 <span id="L142" class="LineNr"> 142 </span><span class="traceContains">+run: {1: (&quot;address&quot; &quot;number&quot;)} &lt;- new {number: &quot;type&quot;}</span>
 <span id="L143" class="LineNr"> 143 </span><span class="traceContains">+mem: incrementing refcount of 1000: 0 -&gt; 1</span>
 <span id="L144" class="LineNr"> 144 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;)} &lt;- new {foo: &quot;type&quot;}</span>
 <span id="L145" class="LineNr"> 145 </span><span class="traceContains">+mem: incrementing refcount of 1002: 0 -&gt; 1</span>
-<span id="L146" class="LineNr"> 146 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L218'>put</a> {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {x: &quot;offset&quot;}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
+<span id="L146" class="LineNr"> 146 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L221'>put</a> {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {x: &quot;offset&quot;}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
 <span id="L147" class="LineNr"> 147 </span><span class="Comment"># put increments refcount</span>
 <span id="L148" class="LineNr"> 148 </span><span class="traceContains">+mem: incrementing refcount of 1000: 1 -&gt; 2</span>
 <span id="L149" class="LineNr"> 149 </span>
@@ -261,7 +261,7 @@ if ('onhashchange' in window) {
 <span id="L196" class="LineNr"> 196 </span><span class="Comment">// todo: double-check data here as well</span>
 <span id="L197" class="LineNr"> 197 </span>vector&lt;<span class="Normal">double</span>&gt; data<span class="Delimiter">;</span>
 <span id="L198" class="LineNr"> 198 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; size_of<span class="Delimiter">(</span>product<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L199" class="LineNr"> 199 </span>  data<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+i<span class="Delimiter">));</span>
+<span id="L199" class="LineNr"> 199 </span>  data<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+i<span class="Delimiter">));</span>
 <span id="L200" class="LineNr"> 200 </span><a href='036refcount.cc.html#L31'>update_any_refcounts</a><span class="Delimiter">(</span>product<span class="Delimiter">,</span> data<span class="Delimiter">);</span>
 <span id="L201" class="LineNr"> 201 </span>
 <span id="L202" class="LineNr"> 202 </span><span class="SalientComment">//:: manage refcounts in instructions that copy multiple locations at a time</span>
@@ -273,7 +273,7 @@ if ('onhashchange' in window) {
 <span id="L208" class="LineNr"> 208 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L209" class="LineNr"> 209 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
 <span id="L210" class="LineNr"> 210 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">foo:type</span>
-<span id="L211" class="LineNr"> 211 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
+<span id="L211" class="LineNr"> 211 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
 <span id="L212" class="LineNr"> 212 </span>  <span class="Constant">3</span>:foo<span class="Special"> &lt;- </span>copy *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo
 <span id="L213" class="LineNr"> 213 </span>]
 <span id="L214" class="LineNr"> 214 </span><span class="traceContains">+transform: compute <a href='043space.cc.html#L76'>address</a> offsets for container foo</span>
@@ -281,7 +281,7 @@ if ('onhashchange' in window) {
 <span id="L216" class="LineNr"> 216 </span><span class="traceContains">+transform: <a href='043space.cc.html#L76'>address</a> at offset 0</span>
 <span id="L217" class="LineNr"> 217 </span><span class="traceContains">+run: {1: (&quot;address&quot; &quot;number&quot;)} &lt;- new {number: &quot;type&quot;}</span>
 <span id="L218" class="LineNr"> 218 </span><span class="traceContains">+mem: incrementing refcount of 1000: 0 -&gt; 1</span>
-<span id="L219" class="LineNr"> 219 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L218'>put</a> {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {x: &quot;offset&quot;}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
+<span id="L219" class="LineNr"> 219 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L221'>put</a> {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {x: &quot;offset&quot;}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
 <span id="L220" class="LineNr"> 220 </span><span class="traceContains">+mem: incrementing refcount of 1000: 1 -&gt; 2</span>
 <span id="L221" class="LineNr"> 221 </span><span class="Comment"># copying a container increments refcounts of any contained addresses</span>
 <span id="L222" class="LineNr"> 222 </span><span class="traceContains">+run: {3: &quot;foo&quot;} &lt;- copy {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}</span>
@@ -379,12 +379,12 @@ if ('onhashchange' in window) {
 <span id="L314" class="LineNr"> 314 </span><span class="Normal">void</span> compute_container_address_offsets<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L315" class="LineNr"> 315 </span>  recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L316" class="LineNr"> 316 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- compute <a href='043space.cc.html#L76'>address</a> offsets for &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L317" class="LineNr"> 317 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L317" class="LineNr"> 317 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L318" class="LineNr"> 318 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L319" class="LineNr"> 319 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;- compute <a href='043space.cc.html#L76'>address</a> offsets for &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L320" class="LineNr"> 320 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L320" class="LineNr"> 320 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L321" class="LineNr"> 321 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> compute_container_address_offsets<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot; in '&quot;</span>+inst<span class="Delimiter">.</span>original_string+<span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
-<span id="L322" class="LineNr"> 322 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L322" class="LineNr"> 322 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L323" class="LineNr"> 323 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> compute_container_address_offsets<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot; in '&quot;</span>+inst<span class="Delimiter">.</span>original_string+<span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
 <span id="L324" class="LineNr"> 324 </span>  <span class="Delimiter">}</span>
 <span id="L325" class="LineNr"> 325 </span><span class="Delimiter">}</span>
@@ -433,7 +433,7 @@ if ('onhashchange' in window) {
 <span id="L368" class="LineNr"> 368 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L368'>compute_exclusive_container_address_offsets</a><span class="Delimiter">(</span><span class="Normal">const</span> type_info&amp; exclusive_container_info<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* full_type<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; location_for_error_messages<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L369" class="LineNr"> 369 </span>  container_metadata&amp; metadata = get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> full_type<span class="Delimiter">);</span>
 <span id="L370" class="LineNr"> 370 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;compute <a href='043space.cc.html#L76'>address</a> offsets for exclusive container &quot;</span> &lt;&lt; exclusive_container_info<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L371" class="LineNr"> 371 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> tag = <span class="Constant">0</span><span class="Delimiter">;</span>  tag &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>exclusive_container_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L371" class="LineNr"> 371 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> tag = <span class="Constant">0</span><span class="Delimiter">;</span>  tag &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exclusive_container_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L372" class="LineNr"> 372 </span>  <span class="Conceal">¦</span> set&lt;tag_condition_info&gt; key<span class="Delimiter">;</span>
 <span id="L373" class="LineNr"> 373 </span>  <span class="Conceal">¦</span> key<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>tag_condition_info<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">tag is at offset</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">,</span> tag<span class="Delimiter">));</span>
 <span id="L374" class="LineNr"> 374 </span>  <span class="Conceal">¦</span> <a href='036refcount.cc.html#L378'>append_addresses</a><span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip tag offset</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> variant_type<span class="Delimiter">(</span>full_type<span class="Delimiter">,</span> tag<span class="Delimiter">).</span>type<span class="Delimiter">,</span> metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> key<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
@@ -442,20 +442,20 @@ if ('onhashchange' in window) {
 <span id="L377" class="LineNr"> 377 </span>
 <span id="L378" class="LineNr"> 378 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L378'>append_addresses</a><span class="Delimiter">(</span><span class="Normal">int</span> base_offset<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* type<span class="Delimiter">,</span> map&lt;set&lt;tag_condition_info&gt;<span class="Delimiter">,</span> set&lt;address_element_info&gt; &gt;&amp; out<span class="Delimiter">,</span> <span class="Normal">const</span> set&lt;tag_condition_info&gt;&amp; key<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; location_for_error_messages<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L379" class="LineNr"> 379 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L380" class="LineNr"> 380 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> key<span class="Delimiter">).</span>insert<span class="Delimiter">(</span>address_element_info<span class="Delimiter">(</span>base_offset<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*payload_type<span class="Delimiter">(</span>type<span class="Delimiter">))));</span>
+<span id="L380" class="LineNr"> 380 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> key<span class="Delimiter">).</span>insert<span class="Delimiter">(</span>address_element_info<span class="Delimiter">(</span>base_offset<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*payload_type<span class="Delimiter">(</span>type<span class="Delimiter">))));</span>
 <span id="L381" class="LineNr"> 381 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L382" class="LineNr"> 382 </span>  <span class="Delimiter">}</span>
 <span id="L383" class="LineNr"> 383 </span>  <span class="Normal">const</span> type_tree* base_type = type<span class="Delimiter">;</span>
 <span id="L384" class="LineNr"> 384 </span>  <span class="Comment">// Update base_type in append_container_address_offsets</span>
 <span id="L385" class="LineNr"> 385 </span>  <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
 <span id="L386" class="LineNr"> 386 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L387" class="LineNr"> 387 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> curr_index = <span class="Constant">0</span><span class="Delimiter">,</span> curr_offset = base_offset<span class="Delimiter">;</span>  curr_index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++curr_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L387" class="LineNr"> 387 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> curr_index = <span class="Constant">0</span><span class="Delimiter">,</span> curr_offset = base_offset<span class="Delimiter">;</span>  curr_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++curr_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L388" class="LineNr"> 388 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking container &quot;</span> &lt;&lt; base_type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;, element &quot;</span> &lt;&lt; curr_index &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L389" class="LineNr"> 389 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = <a href='030container.cc.html#L430'>element_type</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> curr_index<span class="Delimiter">);</span>  <span class="Comment">// not base_type</span>
 <span id="L390" class="LineNr"> 390 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// Compute Container Address Offset(element)</span>
 <span id="L391" class="LineNr"> 391 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L392" class="LineNr"> 392 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address at offset &quot;</span> &lt;&lt; curr_offset &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L393" class="LineNr"> 393 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> key<span class="Delimiter">).</span>insert<span class="Delimiter">(</span>address_element_info<span class="Delimiter">(</span>curr_offset<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*payload_type<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">))));</span>
+<span id="L393" class="LineNr"> 393 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> key<span class="Delimiter">).</span>insert<span class="Delimiter">(</span>address_element_info<span class="Delimiter">(</span>curr_offset<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*payload_type<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">))));</span>
 <span id="L394" class="LineNr"> 394 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++curr_offset<span class="Delimiter">;</span>
 <span id="L395" class="LineNr"> 395 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L396" class="LineNr"> 396 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
@@ -475,7 +475,7 @@ if ('onhashchange' in window) {
 <span id="L410" class="LineNr"> 410 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> type_tree* element_base_type = element<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
 <span id="L411" class="LineNr"> 411 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// Update element_base_type For Exclusive Container in append_addresses</span>
 <span id="L412" class="LineNr"> 412 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> type_info&amp; element_info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> element_base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L413" class="LineNr"> 413 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> tag = <span class="Constant">0</span><span class="Delimiter">;</span>  tag &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>element_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L413" class="LineNr"> 413 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> tag = <span class="Constant">0</span><span class="Delimiter">;</span>  tag &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>element_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L414" class="LineNr"> 414 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> set&lt;tag_condition_info&gt; new_key = key<span class="Delimiter">;</span>
 <span id="L415" class="LineNr"> 415 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> new_key<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>tag_condition_info<span class="Delimiter">(</span>curr_offset<span class="Delimiter">,</span> tag<span class="Delimiter">));</span>
 <span id="L416" class="LineNr"> 416 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>out<span class="Delimiter">,</span> new_key<span class="Delimiter">))</span>
@@ -490,7 +490,7 @@ if ('onhashchange' in window) {
 <span id="L425" class="LineNr"> 425 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L426" class="LineNr"> 426 </span>  <span class="Delimiter">}</span>
 <span id="L427" class="LineNr"> 427 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L428" class="LineNr"> 428 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> tag = <span class="Constant">0</span><span class="Delimiter">;</span>  tag &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L428" class="LineNr"> 428 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> tag = <span class="Constant">0</span><span class="Delimiter">;</span>  tag &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L429" class="LineNr"> 429 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> set&lt;tag_condition_info&gt; new_key = key<span class="Delimiter">;</span>
 <span id="L430" class="LineNr"> 430 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> new_key<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>tag_condition_info<span class="Delimiter">(</span>base_offset<span class="Delimiter">,</span> tag<span class="Delimiter">));</span>
 <span id="L431" class="LineNr"> 431 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>out<span class="Delimiter">,</span> new_key<span class="Delimiter">))</span>
@@ -503,7 +503,7 @@ if ('onhashchange' in window) {
 <span id="L438" class="LineNr"> 438 </span>
 <span id="L439" class="LineNr"> 439 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
 <span id="L440" class="LineNr"> 440 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L440'>test_container_address_offsets_empty</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L441" class="LineNr"> 441 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L441" class="LineNr"> 441 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L442" class="LineNr"> 442 </span>  <span class="Comment">// define a container with no addresses</span>
 <span id="L443" class="LineNr"> 443 </span>  reagent r<span class="Delimiter">(</span><span class="Constant">&quot;x:point&quot;</span><span class="Delimiter">);</span>
 <span id="L444" class="LineNr"> 444 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
@@ -511,18 +511,18 @@ if ('onhashchange' in window) {
 <span id="L446" class="LineNr"> 446 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L447" class="LineNr"> 447 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L448" class="LineNr"> 448 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L449" class="LineNr"> 449 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L449" class="LineNr"> 449 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L450" class="LineNr"> 450 </span>  <span class="Comment">// the reagent we scanned knows it has no addresses</span>
 <span id="L451" class="LineNr"> 451 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L452" class="LineNr"> 452 </span>  <span class="Comment">// the global table contains an identical entry</span>
 <span id="L453" class="LineNr"> 453 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L454" class="LineNr"> 454 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L455" class="LineNr"> 455 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L456" class="LineNr"> 456 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L456" class="LineNr"> 456 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L457" class="LineNr"> 457 </span><span class="Delimiter">}</span>
 <span id="L458" class="LineNr"> 458 </span>
 <span id="L459" class="LineNr"> 459 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L459'>test_container_address_offsets</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L460" class="LineNr"> 460 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L460" class="LineNr"> 460 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L461" class="LineNr"> 461 </span>  <span class="Comment">// define a container with an address at offset 0 that we have the size for</span>
 <span id="L462" class="LineNr"> 462 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L463" class="LineNr"> 463 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -533,28 +533,28 @@ if ('onhashchange' in window) {
 <span id="L468" class="LineNr"> 468 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L469" class="LineNr"> 469 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L470" class="LineNr"> 470 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L471" class="LineNr"> 471 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L471" class="LineNr"> 471 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L472" class="LineNr"> 472 </span>  <span class="Comment">// the reagent we scanned knows it has an address at offset 0</span>
-<span id="L473" class="LineNr"> 473 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L473" class="LineNr"> 473 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L474" class="LineNr"> 474 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">()));</span>
 <span id="L475" class="LineNr"> 475 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets = get<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>  <span class="Comment">// unconditional for containers</span>
-<span id="L476" class="LineNr"> 476 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L476" class="LineNr"> 476 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L477" class="LineNr"> 477 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L478" class="LineNr"> 478 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L479" class="LineNr"> 479 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L480" class="LineNr"> 480 </span>  <span class="Comment">// the global table contains an identical entry</span>
 <span id="L481" class="LineNr"> 481 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L482" class="LineNr"> 482 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L483" class="LineNr"> 483 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L483" class="LineNr"> 483 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L484" class="LineNr"> 484 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L485" class="LineNr"> 485 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L486" class="LineNr"> 486 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L487" class="LineNr"> 487 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L488" class="LineNr"> 488 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L488" class="LineNr"> 488 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L489" class="LineNr"> 489 </span><span class="Delimiter">}</span>
 <span id="L490" class="LineNr"> 490 </span>
 <span id="L491" class="LineNr"> 491 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L491'>test_container_address_offsets_2</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L492" class="LineNr"> 492 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L492" class="LineNr"> 492 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L493" class="LineNr"> 493 </span>  <span class="Comment">// define a container with an address at offset 1 that we have the size for</span>
 <span id="L494" class="LineNr"> 494 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L495" class="LineNr"> 495 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -564,30 +564,30 @@ if ('onhashchange' in window) {
 <span id="L499" class="LineNr"> 499 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L500" class="LineNr"> 500 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L501" class="LineNr"> 501 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L502" class="LineNr"> 502 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L502" class="LineNr"> 502 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L503" class="LineNr"> 503 </span>  <span class="Comment">// scan</span>
 <span id="L504" class="LineNr"> 504 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L505" class="LineNr"> 505 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L506" class="LineNr"> 506 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L506" class="LineNr"> 506 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L507" class="LineNr"> 507 </span>  <span class="Comment">// the reagent we scanned knows it has an address at offset 1</span>
-<span id="L508" class="LineNr"> 508 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L508" class="LineNr"> 508 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L509" class="LineNr"> 509 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">()));</span>
 <span id="L510" class="LineNr"> 510 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets = get<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L511" class="LineNr"> 511 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L511" class="LineNr"> 511 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L512" class="LineNr"> 512 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">//</span>
 <span id="L513" class="LineNr"> 513 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L514" class="LineNr"> 514 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L515" class="LineNr"> 515 </span>  <span class="Comment">// the global table contains an identical entry</span>
 <span id="L516" class="LineNr"> 516 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L517" class="LineNr"> 517 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L518" class="LineNr"> 518 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L518" class="LineNr"> 518 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L519" class="LineNr"> 519 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">//</span>
 <span id="L520" class="LineNr"> 520 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L521" class="LineNr"> 521 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L522" class="LineNr"> 522 </span><span class="Delimiter">}</span>
 <span id="L523" class="LineNr"> 523 </span>
 <span id="L524" class="LineNr"> 524 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L524'>test_container_address_offsets_nested</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L525" class="LineNr"> 525 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L525" class="LineNr"> 525 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L526" class="LineNr"> 526 </span>  <span class="Comment">// define a container with a nested container containing an address</span>
 <span id="L527" class="LineNr"> 527 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L528" class="LineNr"> 528 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -601,30 +601,30 @@ if ('onhashchange' in window) {
 <span id="L536" class="LineNr"> 536 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L537" class="LineNr"> 537 </span>  <span class="Comment">// global metadata contains entries for bar and included types: point and foo</span>
 <span id="L538" class="LineNr"> 538 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L539" class="LineNr"> 539 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
+<span id="L539" class="LineNr"> 539 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
 <span id="L540" class="LineNr"> 540 </span>  <span class="Comment">// scan</span>
 <span id="L541" class="LineNr"> 541 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L542" class="LineNr"> 542 </span>  <span class="Comment">// the reagent we scanned knows it has an address at offset 2</span>
-<span id="L543" class="LineNr"> 543 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L543" class="LineNr"> 543 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L544" class="LineNr"> 544 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">()));</span>
 <span id="L545" class="LineNr"> 545 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets = get<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L546" class="LineNr"> 546 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L546" class="LineNr"> 546 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L547" class="LineNr"> 547 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">//</span>
 <span id="L548" class="LineNr"> 548 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L549" class="LineNr"> 549 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L550" class="LineNr"> 550 </span>  <span class="Comment">// the global table also knows its address offset</span>
 <span id="L551" class="LineNr"> 551 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L552" class="LineNr"> 552 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> r<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L553" class="LineNr"> 553 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L553" class="LineNr"> 553 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L554" class="LineNr"> 554 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">//</span>
 <span id="L555" class="LineNr"> 555 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L556" class="LineNr"> 556 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L557" class="LineNr"> 557 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L558" class="LineNr"> 558 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
+<span id="L558" class="LineNr"> 558 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
 <span id="L559" class="LineNr"> 559 </span><span class="Delimiter">}</span>
 <span id="L560" class="LineNr"> 560 </span>
 <span id="L561" class="LineNr"> 561 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L561'>test_container_address_offsets_from_address</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L562" class="LineNr"> 562 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L562" class="LineNr"> 562 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L563" class="LineNr"> 563 </span>  <span class="Comment">// define a container with an address at offset 0</span>
 <span id="L564" class="LineNr"> 564 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L565" class="LineNr"> 565 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -633,23 +633,23 @@ if ('onhashchange' in window) {
 <span id="L568" class="LineNr"> 568 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L569" class="LineNr"> 569 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L570" class="LineNr"> 570 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L571" class="LineNr"> 571 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L571" class="LineNr"> 571 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L572" class="LineNr"> 572 </span>  <span class="Comment">// scan an address to the container</span>
 <span id="L573" class="LineNr"> 573 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L574" class="LineNr"> 574 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L575" class="LineNr"> 575 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L575" class="LineNr"> 575 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L576" class="LineNr"> 576 </span>  <span class="Comment">// scanning precomputed metadata for the container</span>
 <span id="L577" class="LineNr"> 577 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:foo&quot;</span><span class="Delimiter">);</span>
 <span id="L578" class="LineNr"> 578 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L579" class="LineNr"> 579 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L580" class="LineNr"> 580 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L580" class="LineNr"> 580 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L581" class="LineNr"> 581 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L582" class="LineNr"> 582 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L583" class="LineNr"> 583 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L584" class="LineNr"> 584 </span><span class="Delimiter">}</span>
 <span id="L585" class="LineNr"> 585 </span>
 <span id="L586" class="LineNr"> 586 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L586'>test_container_address_offsets_from_array</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L587" class="LineNr"> 587 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L587" class="LineNr"> 587 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L588" class="LineNr"> 588 </span>  <span class="Comment">// define a container with an address at offset 0</span>
 <span id="L589" class="LineNr"> 589 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L590" class="LineNr"> 590 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -658,23 +658,23 @@ if ('onhashchange' in window) {
 <span id="L593" class="LineNr"> 593 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L594" class="LineNr"> 594 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L595" class="LineNr"> 595 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L596" class="LineNr"> 596 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L596" class="LineNr"> 596 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L597" class="LineNr"> 597 </span>  <span class="Comment">// scan an array of the container</span>
 <span id="L598" class="LineNr"> 598 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L599" class="LineNr"> 599 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L600" class="LineNr"> 600 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L600" class="LineNr"> 600 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L601" class="LineNr"> 601 </span>  <span class="Comment">// scanning precomputed metadata for the container</span>
 <span id="L602" class="LineNr"> 602 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:foo&quot;</span><span class="Delimiter">);</span>
 <span id="L603" class="LineNr"> 603 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L604" class="LineNr"> 604 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L605" class="LineNr"> 605 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L605" class="LineNr"> 605 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L606" class="LineNr"> 606 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L607" class="LineNr"> 607 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L608" class="LineNr"> 608 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L609" class="LineNr"> 609 </span><span class="Delimiter">}</span>
 <span id="L610" class="LineNr"> 610 </span>
 <span id="L611" class="LineNr"> 611 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L611'>test_container_address_offsets_from_address_to_array</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L612" class="LineNr"> 612 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L612" class="LineNr"> 612 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L613" class="LineNr"> 613 </span>  <span class="Comment">// define a container with an address at offset 0</span>
 <span id="L614" class="LineNr"> 614 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L615" class="LineNr"> 615 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -683,23 +683,23 @@ if ('onhashchange' in window) {
 <span id="L618" class="LineNr"> 618 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L619" class="LineNr"> 619 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L620" class="LineNr"> 620 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L621" class="LineNr"> 621 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L621" class="LineNr"> 621 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L622" class="LineNr"> 622 </span>  <span class="Comment">// scan an address to an array of the container</span>
 <span id="L623" class="LineNr"> 623 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L624" class="LineNr"> 624 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L625" class="LineNr"> 625 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L625" class="LineNr"> 625 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L626" class="LineNr"> 626 </span>  <span class="Comment">// scanning precomputed metadata for the container</span>
 <span id="L627" class="LineNr"> 627 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:foo&quot;</span><span class="Delimiter">);</span>
 <span id="L628" class="LineNr"> 628 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L629" class="LineNr"> 629 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L630" class="LineNr"> 630 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L630" class="LineNr"> 630 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L631" class="LineNr"> 631 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L632" class="LineNr"> 632 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L633" class="LineNr"> 633 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L634" class="LineNr"> 634 </span><span class="Delimiter">}</span>
 <span id="L635" class="LineNr"> 635 </span>
 <span id="L636" class="LineNr"> 636 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L636'>test_container_address_offsets_from_static_array</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L637" class="LineNr"> 637 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L637" class="LineNr"> 637 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L638" class="LineNr"> 638 </span>  <span class="Comment">// define a container with an address at offset 0</span>
 <span id="L639" class="LineNr"> 639 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L640" class="LineNr"> 640 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -708,23 +708,23 @@ if ('onhashchange' in window) {
 <span id="L643" class="LineNr"> 643 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L644" class="LineNr"> 644 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L645" class="LineNr"> 645 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L646" class="LineNr"> 646 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L646" class="LineNr"> 646 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L647" class="LineNr"> 647 </span>  <span class="Comment">// scan a static array of the container</span>
 <span id="L648" class="LineNr"> 648 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L649" class="LineNr"> 649 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L650" class="LineNr"> 650 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L650" class="LineNr"> 650 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L651" class="LineNr"> 651 </span>  <span class="Comment">// scanning precomputed metadata for the container</span>
 <span id="L652" class="LineNr"> 652 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:foo&quot;</span><span class="Delimiter">);</span>
 <span id="L653" class="LineNr"> 653 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L654" class="LineNr"> 654 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L655" class="LineNr"> 655 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L655" class="LineNr"> 655 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L656" class="LineNr"> 656 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L657" class="LineNr"> 657 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L658" class="LineNr"> 658 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L659" class="LineNr"> 659 </span><span class="Delimiter">}</span>
 <span id="L660" class="LineNr"> 660 </span>
 <span id="L661" class="LineNr"> 661 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L661'>test_container_address_offsets_from_address_to_static_array</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L662" class="LineNr"> 662 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L662" class="LineNr"> 662 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L663" class="LineNr"> 663 </span>  <span class="Comment">// define a container with an address at offset 0</span>
 <span id="L664" class="LineNr"> 664 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L665" class="LineNr"> 665 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -733,23 +733,23 @@ if ('onhashchange' in window) {
 <span id="L668" class="LineNr"> 668 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L669" class="LineNr"> 669 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L670" class="LineNr"> 670 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L671" class="LineNr"> 671 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L671" class="LineNr"> 671 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L672" class="LineNr"> 672 </span>  <span class="Comment">// scan an address to a static array of the container</span>
 <span id="L673" class="LineNr"> 673 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L674" class="LineNr"> 674 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L675" class="LineNr"> 675 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L675" class="LineNr"> 675 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L676" class="LineNr"> 676 </span>  <span class="Comment">// scanning precomputed metadata for the container</span>
 <span id="L677" class="LineNr"> 677 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:foo&quot;</span><span class="Delimiter">);</span>
 <span id="L678" class="LineNr"> 678 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L679" class="LineNr"> 679 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L680" class="LineNr"> 680 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L680" class="LineNr"> 680 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L681" class="LineNr"> 681 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L682" class="LineNr"> 682 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L683" class="LineNr"> 683 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
 <span id="L684" class="LineNr"> 684 </span><span class="Delimiter">}</span>
 <span id="L685" class="LineNr"> 685 </span>
 <span id="L686" class="LineNr"> 686 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L686'>test_container_address_offsets_from_repeated_address_and_array_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L687" class="LineNr"> 687 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
+<span id="L687" class="LineNr"> 687 </span>  <span class="Normal">int</span> old_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">);</span>
 <span id="L688" class="LineNr"> 688 </span>  <span class="Comment">// define a container with an address at offset 0</span>
 <span id="L689" class="LineNr"> 689 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
 <span id="L690" class="LineNr"> 690 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:<a href='043space.cc.html#L76'>address</a>:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
@@ -759,15 +759,15 @@ if ('onhashchange' in window) {
 <span id="L694" class="LineNr"> 694 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// need to first pre-populate the metadata</span>
 <span id="L695" class="LineNr"> 695 </span>  <span class="Comment">// global metadata contains just the entry for foo</span>
 <span id="L696" class="LineNr"> 696 </span>  <span class="Comment">// no entries for non-container types or other junk</span>
-<span id="L697" class="LineNr"> 697 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L697" class="LineNr"> 697 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L698" class="LineNr"> 698 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L699" class="LineNr"> 699 </span>  <span class="Comment">// compute_container_address_offsets creates no new entries</span>
-<span id="L700" class="LineNr"> 700 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L700" class="LineNr"> 700 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Container_metadata<span class="Delimiter">)</span>-old_size<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L701" class="LineNr"> 701 </span>  <span class="Comment">// scanning precomputed metadata for the container</span>
 <span id="L702" class="LineNr"> 702 </span>  reagent container<span class="Delimiter">(</span><span class="Constant">&quot;x:foo&quot;</span><span class="Delimiter">);</span>
 <span id="L703" class="LineNr"> 703 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L704" class="LineNr"> 704 </span>  <span class="Normal">const</span> set&lt;address_element_info&gt;&amp; address_offsets2 = get<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> container<span class="Delimiter">.</span>type<span class="Delimiter">).</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L705" class="LineNr"> 705 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L705" class="LineNr"> 705 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L706" class="LineNr"> 706 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L707" class="LineNr"> 707 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L708" class="LineNr"> 708 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>address_offsets2<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
@@ -798,7 +798,7 @@ if ('onhashchange' in window) {
 <span id="L733" class="LineNr"> 733 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;set&lt;tag_condition_info&gt;<span class="Delimiter">,</span> set&lt;address_element_info&gt; &gt;::const_iterator p = metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L734" class="LineNr"> 734 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!all_match<span class="Delimiter">(</span>data<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L735" class="LineNr"> 735 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>set&lt;address_element_info&gt;::const_iterator info = p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  info != p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L736" class="LineNr"> 736 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> element_address = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> canonized_x<span class="Delimiter">.</span>value + info<span class="Delimiter">-&gt;</span>offset<span class="Delimiter">);</span>
+<span id="L736" class="LineNr"> 736 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> element_address = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> canonized_x<span class="Delimiter">.</span>value + info<span class="Delimiter">-&gt;</span>offset<span class="Delimiter">);</span>
 <span id="L737" class="LineNr"> 737 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">;</span>
 <span id="L738" class="LineNr"> 738 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> element<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>element_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L739" class="LineNr"> 739 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> element<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*info<span class="Delimiter">-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">);</span>
@@ -827,13 +827,13 @@ if ('onhashchange' in window) {
 <span id="L762" class="LineNr"> 762 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
 <span id="L763" class="LineNr"> 763 </span>  <span class="Constant">2</span>:bar<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
 <span id="L764" class="LineNr"> 764 </span>  <span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">foo:type</span>
-<span id="L765" class="LineNr"> 765 </span>  *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">a:offset</span><span class="Delimiter">,</span> <span class="Constant">2</span>:bar
+<span id="L765" class="LineNr"> 765 </span>  *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">a:offset</span><span class="Delimiter">,</span> <span class="Constant">2</span>:bar
 <span id="L766" class="LineNr"> 766 </span>]
 <span id="L767" class="LineNr"> 767 </span><span class="traceContains">+run: {1: (&quot;address&quot; &quot;number&quot;)} &lt;- new {number: &quot;type&quot;}</span>
 <span id="L768" class="LineNr"> 768 </span><span class="traceContains">+mem: incrementing refcount of 1000: 0 -&gt; 1</span>
 <span id="L769" class="LineNr"> 769 </span><span class="traceContains">+run: {2: &quot;bar&quot;} &lt;- merge {1: (&quot;address&quot; &quot;number&quot;)}</span>
 <span id="L770" class="LineNr"> 770 </span><span class="traceContains">+mem: incrementing refcount of 1000: 1 -&gt; 2</span>
-<span id="L771" class="LineNr"> 771 </span><span class="traceContains">+run: {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L218'>put</a> {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {a: &quot;offset&quot;}, {2: &quot;bar&quot;}</span>
+<span id="L771" class="LineNr"> 771 </span><span class="traceContains">+run: {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L221'>put</a> {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {a: &quot;offset&quot;}, {2: &quot;bar&quot;}</span>
 <span id="L772" class="LineNr"> 772 </span><span class="Comment"># put increments refcount inside container</span>
 <span id="L773" class="LineNr"> 773 </span><span class="traceContains">+mem: incrementing refcount of 1000: 2 -&gt; 3</span>
 <span id="L774" class="LineNr"> 774 </span>
@@ -894,9 +894,9 @@ if ('onhashchange' in window) {
 <span id="L829" class="LineNr"> 829 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L830" class="LineNr"> 830 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
 <span id="L831" class="LineNr"> 831 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:curr<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">curr:type</span>
-<span id="L832" class="LineNr"> 832 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:curr<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:curr<span class="Delimiter">,</span> <span class="Constant">1:offset/y</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
+<span id="L832" class="LineNr"> 832 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:curr<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:curr<span class="Delimiter">,</span> <span class="Constant">1:offset/y</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
 <span id="L833" class="LineNr"> 833 </span>  <span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">foo:type</span>
-<span id="L834" class="LineNr"> 834 </span>  *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">1:offset/b</span><span class="Delimiter">,</span> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:curr
+<span id="L834" class="LineNr"> 834 </span>  *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">1:offset/b</span><span class="Delimiter">,</span> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:curr
 <span id="L835" class="LineNr"> 835 </span>  <span class="Constant">4</span>:foo<span class="Special"> &lt;- </span>copy *<span class="Constant">3</span>:<a href='043space.cc.html#L76'>address</a>:foo
 <span id="L836" class="LineNr"> 836 </span>]
 <span id="L837" class="LineNr"> 837 </span><span class="traceContains">+transform: compute <a href='043space.cc.html#L76'>address</a> offsets for container foo</span>
@@ -905,10 +905,10 @@ if ('onhashchange' in window) {
 <span id="L840" class="LineNr"> 840 </span><span class="traceContains">+run: {1: (&quot;address&quot; &quot;number&quot;)} &lt;- new {number: &quot;type&quot;}</span>
 <span id="L841" class="LineNr"> 841 </span><span class="traceContains">+mem: incrementing refcount of 1000: 0 -&gt; 1</span>
 <span id="L842" class="LineNr"> 842 </span><span class="Comment"># storing an address in a container updates its refcount</span>
-<span id="L843" class="LineNr"> 843 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;curr&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L218'>put</a> {2: (&quot;address&quot; &quot;curr&quot;), &quot;lookup&quot;: ()}, {1: &quot;offset&quot;, &quot;y&quot;: ()}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
+<span id="L843" class="LineNr"> 843 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;curr&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L221'>put</a> {2: (&quot;address&quot; &quot;curr&quot;), &quot;lookup&quot;: ()}, {1: &quot;offset&quot;, &quot;y&quot;: ()}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
 <span id="L844" class="LineNr"> 844 </span><span class="traceContains">+mem: incrementing refcount of 1000: 1 -&gt; 2</span>
 <span id="L845" class="LineNr"> 845 </span><span class="Comment"># storing a container in a container updates refcounts of any contained addresses</span>
-<span id="L846" class="LineNr"> 846 </span><span class="traceContains">+run: {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L218'>put</a> {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {1: &quot;offset&quot;, &quot;b&quot;: ()}, {2: (&quot;address&quot; &quot;curr&quot;), &quot;lookup&quot;: ()}</span>
+<span id="L846" class="LineNr"> 846 </span><span class="traceContains">+run: {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L221'>put</a> {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {1: &quot;offset&quot;, &quot;b&quot;: ()}, {2: (&quot;address&quot; &quot;curr&quot;), &quot;lookup&quot;: ()}</span>
 <span id="L847" class="LineNr"> 847 </span><span class="traceContains">+mem: incrementing refcount of 1000: 2 -&gt; 3</span>
 <span id="L848" class="LineNr"> 848 </span><span class="Comment"># copying a container containing a container containing an address updates refcount</span>
 <span id="L849" class="LineNr"> 849 </span><span class="traceContains">+run: {4: &quot;foo&quot;} &lt;- copy {3: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}</span>
@@ -1137,7 +1137,7 @@ if ('onhashchange' in window) {
 <span id="L1072" class="LineNr">1072 </span><span class="Delimiter">:(code)</span>
 <span id="L1073" class="LineNr">1073 </span><span class="Normal">void</span> <a href='036refcount.cc.html#L1073'>dump_recipe_profile</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> ridx<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; r<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L1074" class="LineNr">1074 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L1075" class="LineNr">1075 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L1075" class="LineNr">1075 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L1076" class="LineNr">1076 </span>  <span class="Conceal">¦</span> out &lt;&lt; std::setw<span class="Delimiter">(</span><span class="Constant">6</span><span class="Delimiter">)</span> &lt;&lt; Num_refcount_updates[ridx][i] &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L1077" class="LineNr">1077 </span>  <span class="Delimiter">}</span>
 <span id="L1078" class="LineNr">1078 </span>  out &lt;&lt; <span class="Constant">&quot;]</span><span class="cSpecial">\n\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
diff --git a/html/037abandon.cc.html b/html/037abandon.cc.html
index c2f2803a..50fb3629 100644
--- a/html/037abandon.cc.html
+++ b/html/037abandon.cc.html
@@ -99,7 +99,7 @@ if ('onhashchange' in window) {
 <span id="L34" class="LineNr"> 34 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">;</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span> element<span class="Delimiter">.</span>type = <a href='032array.cc.html#L378'>copy_array_element</a><span class="Delimiter">(</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">);</span>
-<span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> <a href='032array.cc.html#L398'>array_length</a> = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> <a href='032array.cc.html#L398'>array_length</a> = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L38" class="LineNr"> 38 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
 <span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> element_size = size_of<span class="Delimiter">(</span>element<span class="Delimiter">);</span>
 <span id="L40" class="LineNr"> 40 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='032array.cc.html#L398'>array_length</a><span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -115,22 +115,22 @@ if ('onhashchange' in window) {
 <span id="L50" class="LineNr"> 50 </span>  <span class="Delimiter">}</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Comment">// clear memory</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> curr = <a href='043space.cc.html#L76'>address</a><span class="Delimiter">;</span>  curr &lt; address+payload_size<span class="Delimiter">;</span>  ++curr<span class="Delimiter">)</span>
-<span id="L53" class="LineNr"> 53 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L53" class="LineNr"> 53 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L54" class="LineNr"> 54 </span>  <span class="Comment">// append existing free list to address</span>
 <span id="L55" class="LineNr"> 55 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;abandon&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;saving &quot;</span> &lt;&lt; <a href='043space.cc.html#L76'>address</a> &lt;&lt; <span class="Constant">&quot; in free-list of size &quot;</span> &lt;&lt; <a href='036refcount.cc.html#L93'>payload_size</a> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L56" class="LineNr"> 56 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> <a href='036refcount.cc.html#L93'>payload_size</a><span class="Delimiter">));</span>
-<span id="L57" class="LineNr"> 57 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> <a href='036refcount.cc.html#L93'>payload_size</a><span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">);</span>
+<span id="L56" class="LineNr"> 56 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> <a href='036refcount.cc.html#L93'>payload_size</a><span class="Delimiter">));</span>
+<span id="L57" class="LineNr"> 57 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> <a href='036refcount.cc.html#L93'>payload_size</a><span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">);</span>
 <span id="L58" class="LineNr"> 58 </span><span class="Delimiter">}</span>
 <span id="L59" class="LineNr"> 59 </span>
 <span id="L60" class="LineNr"> 60 </span><span class="Delimiter">:(after &quot;Allocate Special-cases&quot;)</span>
-<span id="L61" class="LineNr"> 61 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> size<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L61" class="LineNr"> 61 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> size<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L62" class="LineNr"> 62 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;abandon&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;picking up space from free-list of size &quot;</span> &lt;&lt; size &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L63" class="LineNr"> 63 </span>  <span class="Normal">int</span> result = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> size<span class="Delimiter">);</span>
+<span id="L63" class="LineNr"> 63 </span>  <span class="Normal">int</span> result = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> size<span class="Delimiter">);</span>
 <span id="L64" class="LineNr"> 64 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new alloc from free list: &quot;</span> &lt;&lt; result &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L65" class="LineNr"> 65 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> size<span class="Delimiter">,</span> <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">));</span>
-<span id="L66" class="LineNr"> 66 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L65" class="LineNr"> 65 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>free_list<span class="Delimiter">,</span> size<span class="Delimiter">,</span> <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">));</span>
+<span id="L66" class="LineNr"> 66 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> curr = result<span class="Delimiter">;</span>  curr &lt; result+size<span class="Delimiter">;</span>  ++curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;memory in free list was not zeroed out: &quot;</span> &lt;&lt; curr &lt;&lt; <span class="Constant">'/'</span> &lt;&lt; result &lt;&lt; <span class="Constant">&quot;; somebody wrote to us after free!!!</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// always fatal</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -218,7 +218,7 @@ if ('onhashchange' in window) {
 <span id="L153" class="LineNr">153 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L154" class="LineNr">154 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
 <span id="L155" class="LineNr">155 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">foo:type</span>
-<span id="L156" class="LineNr">156 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
+<span id="L156" class="LineNr">156 </span>  *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num
 <span id="L157" class="LineNr">157 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
 <span id="L158" class="LineNr">158 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L76'>address</a>:foo<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
 <span id="L159" class="LineNr">159 </span>]
@@ -226,7 +226,7 @@ if ('onhashchange' in window) {
 <span id="L161" class="LineNr">161 </span><span class="traceContains">+mem: incrementing refcount of 1000: 0 -&gt; 1</span>
 <span id="L162" class="LineNr">162 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;)} &lt;- new {foo: &quot;type&quot;}</span>
 <span id="L163" class="LineNr">163 </span><span class="traceContains">+mem: incrementing refcount of 1002: 0 -&gt; 1</span>
-<span id="L164" class="LineNr">164 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L218'>put</a> {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {x: &quot;offset&quot;}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
+<span id="L164" class="LineNr">164 </span><span class="traceContains">+run: {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()} &lt;- <a href='001help.cc.html#L221'>put</a> {2: (&quot;address&quot; &quot;foo&quot;), &quot;lookup&quot;: ()}, {x: &quot;offset&quot;}, {1: (&quot;address&quot; &quot;number&quot;)}</span>
 <span id="L165" class="LineNr">165 </span><span class="traceContains">+mem: incrementing refcount of 1000: 1 -&gt; 2</span>
 <span id="L166" class="LineNr">166 </span><span class="traceContains">+run: {1: (&quot;address&quot; &quot;number&quot;)} &lt;- copy {0: &quot;literal&quot;}</span>
 <span id="L167" class="LineNr">167 </span><span class="traceContains">+mem: decrementing refcount of 1000: 2 -&gt; 1</span>
diff --git a/html/038new_text.cc.html b/html/038new_text.cc.html
index d5ae935f..5706e13a 100644
--- a/html/038new_text.cc.html
+++ b/html/038new_text.cc.html
@@ -67,7 +67,7 @@ if ('onhashchange' in window) {
 <span id="L2" class="LineNr">  2 </span>
 <span id="L3" class="LineNr">  3 </span><span class="Comment">//: A Mu text is an address to an array of characters.</span>
 <span id="L4" class="LineNr">  4 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L5" class="LineNr">  5 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;text&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:character&quot;</span><span class="Delimiter">));</span>
+<span id="L5" class="LineNr">  5 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;text&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:character&quot;</span><span class="Delimiter">));</span>
 <span id="L6" class="LineNr">  6 </span>
 <span id="L7" class="LineNr">  7 </span><span class="Delimiter">:(scenario new_string)</span>
 <span id="L8" class="LineNr">  8 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
@@ -107,19 +107,19 @@ if ('onhashchange' in window) {
 <span id="L42" class="LineNr"> 42 </span><span class="CommentedCode">//?   ++Num_alloc;</span>
 <span id="L43" class="LineNr"> 43 </span>  <span class="Normal">int</span> result = allocate<span class="Delimiter">(</span>string_length+<span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L44" class="LineNr"> 44 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing string refcount 0 in location &quot;</span> &lt;&lt; result &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L45" class="LineNr"> 45 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L45" class="LineNr"> 45 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L46" class="LineNr"> 46 </span>  <span class="Normal">int</span> curr_address = result+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L47" class="LineNr"> 47 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing string length &quot;</span> &lt;&lt; string_length &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; curr_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L48" class="LineNr"> 48 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> string_length<span class="Delimiter">);</span>
+<span id="L48" class="LineNr"> 48 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> string_length<span class="Delimiter">);</span>
 <span id="L49" class="LineNr"> 49 </span>  ++curr_address<span class="Delimiter">;</span>  <span class="Comment">// skip length</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Normal">int</span> curr = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Normal">const</span> <span class="Normal">char</span>* raw_contents = contents<span class="Delimiter">.</span>c_str<span class="Delimiter">();</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; string_length<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L53" class="LineNr"> 53 </span>  <span class="Conceal">¦</span> <span class="Normal">uint32_t</span> curr_character<span class="Delimiter">;</span>
-<span id="L54" class="LineNr"> 54 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>curr &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span>
+<span id="L54" class="LineNr"> 54 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>curr &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span>
 <span id="L55" class="LineNr"> 55 </span>  <span class="Conceal">¦</span> tb_utf8_char_to_unicode<span class="Delimiter">(</span>&amp;curr_character<span class="Delimiter">,</span> &amp;raw_contents[curr]<span class="Delimiter">);</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing string character &quot;</span> &lt;&lt; curr_character &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; curr_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> curr_character<span class="Delimiter">);</span>
+<span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> curr_character<span class="Delimiter">);</span>
 <span id="L58" class="LineNr"> 58 </span>  <span class="Conceal">¦</span> curr += tb_utf8_char_length<span class="Delimiter">(</span>raw_contents[curr]<span class="Delimiter">);</span>
 <span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</span> ++curr_address<span class="Delimiter">;</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Delimiter">}</span>
@@ -197,7 +197,7 @@ if ('onhashchange' in window) {
 <span id="L132" class="LineNr">132 </span>  <span class="Normal">const</span> <span class="Normal">char</span>* in = s<span class="Delimiter">.</span>c_str<span class="Delimiter">();</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Normal">int</span> curr = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L135" class="LineNr">135 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// carefully bounds-check on the string</span>
+<span id="L135" class="LineNr">135 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// carefully bounds-check on the string</span>
 <span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <span class="Comment">// before accessing its raw pointer</span>
 <span id="L137" class="LineNr">137 </span>  <span class="Conceal">¦</span> ++result<span class="Delimiter">;</span>
 <span id="L138" class="LineNr">138 </span>  <span class="Conceal">¦</span> curr += tb_utf8_char_length<span class="Delimiter">(</span>in[curr]<span class="Delimiter">);</span>
@@ -208,11 +208,11 @@ if ('onhashchange' in window) {
 <span id="L143" class="LineNr">143 </span>string <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L144" class="LineNr">144 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='043space.cc.html#L76'>address</a> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
 <span id="L145" class="LineNr">145 </span>  ++address<span class="Delimiter">;</span>  <span class="Comment">// skip refcount</span>
-<span id="L146" class="LineNr">146 </span>  <span class="Normal">int</span> size = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">);</span>
+<span id="L146" class="LineNr">146 </span>  <span class="Normal">int</span> size = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">);</span>
 <span id="L147" class="LineNr">147 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>size == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
 <span id="L148" class="LineNr">148 </span>  ostringstream tmp<span class="Delimiter">;</span>
 <span id="L149" class="LineNr">149 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> curr = address+<span class="Constant">1</span><span class="Delimiter">;</span>  curr &lt;= address+size<span class="Delimiter">;</span>  ++curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L150" class="LineNr">150 </span>  <span class="Conceal">¦</span> tmp &lt;&lt; to_unicode<span class="Delimiter">(</span><span class="Normal">static_cast</span>&lt;<span class="Normal">uint32_t</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)));</span>
+<span id="L150" class="LineNr">150 </span>  <span class="Conceal">¦</span> tmp &lt;&lt; to_unicode<span class="Delimiter">(</span><span class="Normal">static_cast</span>&lt;<span class="Normal">uint32_t</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)));</span>
 <span id="L151" class="LineNr">151 </span>  <span class="Delimiter">}</span>
 <span id="L152" class="LineNr">152 </span>  <span class="Identifier">return</span> tmp<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span id="L153" class="LineNr">153 </span><span class="Delimiter">}</span>
@@ -231,10 +231,10 @@ if ('onhashchange' in window) {
 <span id="L166" class="LineNr">166 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L167" class="LineNr">167 </span>ASSERT<span class="Delimiter">,</span>
 <span id="L168" class="LineNr">168 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L169" class="LineNr">169 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;assert&quot;</span><span class="Delimiter">,</span> ASSERT<span class="Delimiter">);</span>
+<span id="L169" class="LineNr">169 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;assert&quot;</span><span class="Delimiter">,</span> ASSERT<span class="Delimiter">);</span>
 <span id="L170" class="LineNr">170 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L171" class="LineNr">171 </span><span class="Normal">case</span> ASSERT: <span class="Delimiter">{</span>
-<span id="L172" class="LineNr">172 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L172" class="LineNr">172 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L173" class="LineNr">173 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'assert' takes exactly two ingredients rather than '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L174" class="LineNr">174 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L175" class="LineNr">175 </span>  <span class="Delimiter">}</span>
@@ -265,7 +265,7 @@ if ('onhashchange' in window) {
 <span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L201" class="LineNr">201 </span>_READ<span class="Delimiter">,</span>
 <span id="L202" class="LineNr">202 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L203" class="LineNr">203 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$read&quot;</span><span class="Delimiter">,</span> _READ<span class="Delimiter">);</span>
+<span id="L203" class="LineNr">203 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$read&quot;</span><span class="Delimiter">,</span> _READ<span class="Delimiter">);</span>
 <span id="L204" class="LineNr">204 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L205" class="LineNr">205 </span><span class="Normal">case</span> _READ: <span class="Delimiter">{</span>
 <span id="L206" class="LineNr">206 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -274,7 +274,7 @@ if ('onhashchange' in window) {
 <span id="L209" class="LineNr">209 </span><span class="Normal">case</span> _READ: <span class="Delimiter">{</span>
 <span id="L210" class="LineNr">210 </span>  <a href='038new_text.cc.html#L220'>skip_whitespace</a><span class="Delimiter">(</span>cin<span class="Delimiter">);</span>
 <span id="L211" class="LineNr">211 </span>  string result<span class="Delimiter">;</span>
-<span id="L212" class="LineNr">212 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>cin<span class="Delimiter">))</span>
+<span id="L212" class="LineNr">212 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>cin<span class="Delimiter">))</span>
 <span id="L213" class="LineNr">213 </span>  <span class="Conceal">¦</span> cin &gt;&gt; result<span class="Delimiter">;</span>
 <span id="L214" class="LineNr">214 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L215" class="LineNr">215 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>result<span class="Delimiter">));</span>
diff --git a/html/039location_array.cc.html b/html/039location_array.cc.html
index f6e23db0..c70a479d 100644
--- a/html/039location_array.cc.html
+++ b/html/039location_array.cc.html
@@ -61,7 +61,7 @@ if ('onhashchange' in window) {
 <span id="L1" class="LineNr"> 1 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L2" class="LineNr"> 2 </span>TO_LOCATION_ARRAY<span class="Delimiter">,</span>
 <span id="L3" class="LineNr"> 3 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L4" class="LineNr"> 4 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;to-location-array&quot;</span><span class="Delimiter">,</span> TO_LOCATION_ARRAY<span class="Delimiter">);</span>
+<span id="L4" class="LineNr"> 4 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;to-location-array&quot;</span><span class="Delimiter">,</span> TO_LOCATION_ARRAY<span class="Delimiter">);</span>
 <span id="L5" class="LineNr"> 5 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L6" class="LineNr"> 6 </span><span class="Normal">case</span> TO_LOCATION_ARRAY: <span class="Delimiter">{</span>
 <span id="L7" class="LineNr"> 7 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
@@ -89,19 +89,19 @@ if ('onhashchange' in window) {
 <span id="L29" class="LineNr">29 </span>
 <span id="L30" class="LineNr">30 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L31" class="LineNr">31 </span><span class="Normal">case</span> TO_LOCATION_ARRAY: <span class="Delimiter">{</span>
-<span id="L32" class="LineNr">32 </span>  <span class="Normal">int</span> array_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
+<span id="L32" class="LineNr">32 </span>  <span class="Normal">int</span> array_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L33" class="LineNr">33 </span>  <span class="Normal">int</span> allocation_size = array_size + <span class="Comment">/*</span><span class="Comment">refcount and length</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>
 <span id="L34" class="LineNr">34 </span>  ensure_space<span class="Delimiter">(</span>allocation_size<span class="Delimiter">);</span>
 <span id="L35" class="LineNr">35 </span>  <span class="Normal">const</span> <span class="Normal">int</span> result = Current_routine<span class="Delimiter">-&gt;</span>alloc<span class="Delimiter">;</span>
 <span id="L36" class="LineNr">36 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L37" class="LineNr">37 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
 <span id="L38" class="LineNr">38 </span>  <span class="Comment">// initialize array refcount</span>
-<span id="L39" class="LineNr">39 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L39" class="LineNr">39 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L40" class="LineNr">40 </span>  <span class="Comment">// initialize array length</span>
-<span id="L41" class="LineNr">41 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result+<span class="Constant">1</span><span class="Delimiter">,</span> array_size<span class="Delimiter">);</span>
+<span id="L41" class="LineNr">41 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result+<span class="Constant">1</span><span class="Delimiter">,</span> array_size<span class="Delimiter">);</span>
 <span id="L42" class="LineNr">42 </span>  <span class="Comment">// now copy over data</span>
 <span id="L43" class="LineNr">43 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; array_size<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span>
-<span id="L44" class="LineNr">44 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result+<span class="Constant">2</span>+i<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L44" class="LineNr">44 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result+<span class="Constant">2</span>+i<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L45" class="LineNr">45 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L46" class="LineNr">46 </span><span class="Delimiter">}</span>
 </pre>
diff --git a/html/040brace.cc.html b/html/040brace.cc.html
index 726e1f41..8d805128 100644
--- a/html/040brace.cc.html
+++ b/html/040brace.cc.html
@@ -103,7 +103,7 @@ if ('onhashchange' in window) {
 <span id="L40" class="LineNr"> 40 </span>  <span class="Comment">// use signed integer for step index because we'll be doing arithmetic on it</span>
 <span id="L41" class="LineNr"> 41 </span>  list&lt;pair&lt;<span class="Normal">int</span><span class="Comment">/*</span><span class="Comment">OPEN/CLOSE</span><span class="Comment">*/</span><span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">step</span><span class="Comment">*/</span><span class="Normal">int</span>&gt; &gt; braces<span class="Delimiter">;</span>
 <span id="L42" class="LineNr"> 42 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- <a href='012transform.cc.html#L99'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L43" class="LineNr"> 43 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L43" class="LineNr"> 43 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label == <span class="Constant">&quot;{&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L46" class="LineNr"> 46 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;push (open, &quot;</span> &lt;&lt; index &lt;&lt; <span class="Constant">&quot;)&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -115,7 +115,7 @@ if ('onhashchange' in window) {
 <span id="L52" class="LineNr"> 52 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L53" class="LineNr"> 53 </span>  <span class="Delimiter">}</span>
 <span id="L54" class="LineNr"> 54 </span>  stack&lt;<span class="Comment">/*</span><span class="Comment">step</span><span class="Comment">*/</span><span class="Normal">int</span>&gt; open_braces<span class="Delimiter">;</span>
-<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label == <span class="Constant">&quot;{&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L58" class="LineNr"> 58 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> open_braces<span class="Delimiter">.</span>push<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
@@ -163,7 +163,7 @@ if ('onhashchange' in window) {
 <span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span> <span class="Comment">// check for explicitly provided targets</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-if&quot;</span><span class="Delimiter">)</span> != string::npos || inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-unless&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// conditional branches check arg 1</span>
-<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
 <span id="L105" class="LineNr">105 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -204,7 +204,7 @@ if ('onhashchange' in window) {
 <span id="L141" class="LineNr">141 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>stacksize == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
 <span id="L142" class="LineNr">142 </span>  <span class="Delimiter">}</span>
 <span id="L143" class="LineNr">143 </span>  <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unbalanced '{'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L144" class="LineNr">144 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  <span class="Comment">// exit current routine</span>
+<span id="L144" class="LineNr">144 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  <span class="Comment">// exit current routine</span>
 <span id="L145" class="LineNr">145 </span><span class="Delimiter">}</span>
 <span id="L146" class="LineNr">146 </span>
 <span id="L147" class="LineNr">147 </span><span class="Delimiter">:(scenario loop)</span>
@@ -523,12 +523,12 @@ if ('onhashchange' in window) {
 <span id="L460" class="LineNr">460 </span>LOOP_IF<span class="Delimiter">,</span>
 <span id="L461" class="LineNr">461 </span>LOOP_UNLESS<span class="Delimiter">,</span>
 <span id="L462" class="LineNr">462 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L463" class="LineNr">463 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break&quot;</span><span class="Delimiter">,</span> BREAK<span class="Delimiter">);</span>
-<span id="L464" class="LineNr">464 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> BREAK_IF<span class="Delimiter">);</span>
-<span id="L465" class="LineNr">465 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> BREAK_UNLESS<span class="Delimiter">);</span>
-<span id="L466" class="LineNr">466 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop&quot;</span><span class="Delimiter">,</span> LOOP<span class="Delimiter">);</span>
-<span id="L467" class="LineNr">467 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-if&quot;</span><span class="Delimiter">,</span> LOOP_IF<span class="Delimiter">);</span>
-<span id="L468" class="LineNr">468 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-unless&quot;</span><span class="Delimiter">,</span> LOOP_UNLESS<span class="Delimiter">);</span>
+<span id="L463" class="LineNr">463 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break&quot;</span><span class="Delimiter">,</span> BREAK<span class="Delimiter">);</span>
+<span id="L464" class="LineNr">464 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> BREAK_IF<span class="Delimiter">);</span>
+<span id="L465" class="LineNr">465 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> BREAK_UNLESS<span class="Delimiter">);</span>
+<span id="L466" class="LineNr">466 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop&quot;</span><span class="Delimiter">,</span> LOOP<span class="Delimiter">);</span>
+<span id="L467" class="LineNr">467 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-if&quot;</span><span class="Delimiter">,</span> LOOP_IF<span class="Delimiter">);</span>
+<span id="L468" class="LineNr">468 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-unless&quot;</span><span class="Delimiter">,</span> LOOP_UNLESS<span class="Delimiter">);</span>
 <span id="L469" class="LineNr">469 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L470" class="LineNr">470 </span><span class="Normal">case</span> BREAK: <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L471" class="LineNr">471 </span><span class="Normal">case</span> BREAK_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/041jump_target.cc.html b/html/041jump_target.cc.html
index 6c72e7b3..7bce171e 100644
--- a/html/041jump_target.cc.html
+++ b/html/041jump_target.cc.html
@@ -87,7 +87,7 @@ if ('onhashchange' in window) {
 <span id="L23" class="LineNr"> 23 </span><span class="traceAbsent">-mem: storing 0 in location 1</span>
 <span id="L24" class="LineNr"> 24 </span>
 <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L26" class="LineNr"> 26 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;label&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L26" class="LineNr"> 26 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;label&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L27" class="LineNr"> 27 </span>
 <span id="L28" class="LineNr"> 28 </span><span class="Delimiter">:(before &quot;End Instruction Modifying Transforms&quot;)</span>
 <span id="L29" class="LineNr"> 29 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='041jump_target.cc.html#L32'>transform_labels</a><span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
@@ -95,21 +95,21 @@ if ('onhashchange' in window) {
 <span id="L31" class="LineNr"> 31 </span><span class="Delimiter">:(code)</span>
 <span id="L32" class="LineNr"> 32 </span><span class="Normal">void</span> <a href='041jump_target.cc.html#L32'>transform_labels</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L33" class="LineNr"> 33 </span>  map&lt;string<span class="Delimiter">,</span> <span class="Normal">int</span>&gt; offset<span class="Delimiter">;</span>
-<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='041jump_target.cc.html#L11'>is_jump_target</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L38" class="LineNr"> 38 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
+<span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
 <span id="L40" class="LineNr"> 40 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L41" class="LineNr"> 41 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L42" class="LineNr"> 42 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;duplicate label '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>label &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L43" class="LineNr"> 43 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// have all jumps skip some random but noticeable and deterministic amount of code</span>
-<span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">,</span> <span class="Constant">9999</span><span class="Delimiter">);</span>
+<span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">,</span> <span class="Constant">9999</span><span class="Delimiter">);</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L46" class="LineNr"> 46 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L47" class="LineNr"> 47 </span>  <span class="Delimiter">}</span>
-<span id="L48" class="LineNr"> 48 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L48" class="LineNr"> 48 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Conceal">¦</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -119,19 +119,19 @@ if ('onhashchange' in window) {
 <span id="L55" class="LineNr"> 55 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;jump-if&quot;</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;jump-unless&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L58" class="LineNr"> 58 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' expects 2 ingredients but got &quot;</span> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L58" class="LineNr"> 58 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' expects 2 ingredients but got &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L61" class="LineNr"> 61 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L63" class="LineNr"> 63 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;loop&quot;</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;break&quot;</span><span class="Delimiter">)</span>
-<span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> &amp;&amp; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> &amp;&amp; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L66" class="LineNr"> 66 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;loop-if&quot;</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;loop-unless&quot;</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;break-if&quot;</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">)</span>
-<span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> &amp;&amp; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt;= <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> &amp;&amp; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt;= <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Delimiter">}</span>
diff --git a/html/042name.cc.html b/html/042name.cc.html
index 63e13e35..1310a058 100644
--- a/html/042name.cc.html
+++ b/html/042name.cc.html
@@ -108,11 +108,11 @@ if ('onhashchange' in window) {
 <span id="L43" class="LineNr"> 43 </span>  <span class="Comment">// store the indices 'used' so far in the map</span>
 <span id="L44" class="LineNr"> 44 </span>  <span class="Normal">int</span>&amp; curr_idx = names[<span class="Constant">&quot;&quot;</span>]<span class="Delimiter">;</span>
 <span id="L45" class="LineNr"> 45 </span>  ++curr_idx<span class="Delimiter">;</span>  <span class="Comment">// avoid using index 0, benign skip in some other cases</span>
-<span id="L46" class="LineNr"> 46 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L46" class="LineNr"> 46 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L47" class="LineNr"> 47 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L48" class="LineNr"> 48 </span>  <span class="Conceal">¦</span> <span class="Comment">// End transform_names(inst) Special-cases</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Conceal">¦</span> <span class="Comment">// map names to addresses</span>
-<span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> reagent&amp; ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// Begin transform_names Ingredient Special-cases(ingredient, inst, caller)</span>
 <span id="L53" class="LineNr"> 53 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='042name.cc.html#L99'>is_disqualified</a><span class="Delimiter">(</span>ingredient<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -134,7 +134,7 @@ if ('onhashchange' in window) {
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> reagent&amp; product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">);</span>
 <span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// Begin transform_names Product Special-cases(product, inst, caller)</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='042name.cc.html#L99'>is_disqualified</a><span class="Delimiter">(</span>product<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -197,7 +197,7 @@ if ('onhashchange' in window) {
 <span id="L132" class="LineNr">132 </span>
 <span id="L133" class="LineNr">133 </span><span class="Normal">int</span> <a href='042name.cc.html#L133'>find_element_name</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L123'>type_ordinal</a> t<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; recipe_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Normal">const</span> type_info&amp; container = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> t<span class="Delimiter">);</span>
-<span id="L135" class="LineNr">135 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>container<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L135" class="LineNr">135 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>container<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>container<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == name<span class="Delimiter">)</span> <span class="Identifier">return</span> i<span class="Delimiter">;</span>
 <span id="L137" class="LineNr">137 </span>  <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>recipe_name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unknown element '&quot;</span> &lt;&lt; name &lt;&lt; <span class="Constant">&quot;' in container '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> t<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L138" class="LineNr">138 </span>  <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
@@ -318,7 +318,7 @@ if ('onhashchange' in window) {
 <span id="L253" class="LineNr">253 </span>  <span class="Comment">//: avoid raising any errors here; later layers will support overloading new</span>
 <span id="L254" class="LineNr">254 </span>  <span class="Comment">//: instructions with the same names (static dispatch), which could lead to</span>
 <span id="L255" class="LineNr">255 </span>  <span class="Comment">//: spurious errors</span>
-<span id="L256" class="LineNr">256 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">2</span><span class="Delimiter">)</span>
+<span id="L256" class="LineNr">256 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">2</span><span class="Delimiter">)</span>
 <span id="L257" class="LineNr">257 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
 <span id="L258" class="LineNr">258 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span>
 <span id="L259" class="LineNr">259 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
@@ -367,7 +367,7 @@ if ('onhashchange' in window) {
 <span id="L302" class="LineNr">302 </span><span class="Delimiter">:(before &quot;End transform_names(inst) Special-cases&quot;)</span>
 <span id="L303" class="LineNr">303 </span><span class="Comment">// convert variant names of exclusive containers</span>
 <span id="L304" class="LineNr">304 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;maybe-convert&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L305" class="LineNr">305 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L305" class="LineNr">305 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L306" class="LineNr">306 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;exactly 2 ingredients expected in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L307" class="LineNr">307 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L308" class="LineNr">308 </span>  <span class="Delimiter">}</span>
diff --git a/html/043space.cc.html b/html/043space.cc.html
index ccdf1fde..6720525a 100644
--- a/html/043space.cc.html
+++ b/html/043space.cc.html
@@ -70,9 +70,9 @@ if ('onhashchange' in window) {
 <span id="L4" class="LineNr">  4 </span>
 <span id="L5" class="LineNr">  5 </span><span class="Comment">//: A space is just an array of any scalar location.</span>
 <span id="L6" class="LineNr">  6 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L7" class="LineNr">  7 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:location&quot;</span><span class="Delimiter">));</span>
+<span id="L7" class="LineNr">  7 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:location&quot;</span><span class="Delimiter">));</span>
 <span id="L8" class="LineNr">  8 </span><span class="Comment">//: Spaces are often called 'scopes' in other languages.</span>
-<span id="L9" class="LineNr">  9 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;scope&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:location&quot;</span><span class="Delimiter">));</span>
+<span id="L9" class="LineNr">  9 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;scope&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;address:array:location&quot;</span><span class="Delimiter">));</span>
 <span id="L10" class="LineNr"> 10 </span>
 <span id="L11" class="LineNr"> 11 </span><span class="Delimiter">:(scenario set_default_space)</span>
 <span id="L12" class="LineNr"> 12 </span><span class="Comment"># if default-space is 10, and if an array of 5 locals lies from location 12 to 16 (inclusive),</span>
@@ -142,7 +142,7 @@ if ('onhashchange' in window) {
 <span id="L76" class="LineNr"> 76 </span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">(</span><span class="Normal">int</span> offset<span class="Delimiter">,</span> <span class="Normal">int</span> base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L77" class="LineNr"> 77 </span>  assert<span class="Delimiter">(</span>offset &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>base == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> offset<span class="Delimiter">;</span>  <span class="Comment">// raw</span>
-<span id="L79" class="LineNr"> 79 </span>  <span class="Normal">int</span> size = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base<span class="Delimiter">);</span>
+<span id="L79" class="LineNr"> 79 </span>  <span class="Normal">int</span> size = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base<span class="Delimiter">);</span>
 <span id="L80" class="LineNr"> 80 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset &gt;= size<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span> <span class="Comment">// todo: test</span>
 <span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; offset &lt;&lt; <span class="Constant">&quot; is out of bounds &quot;</span> &lt;&lt; size &lt;&lt; <span class="Constant">&quot; at &quot;</span> &lt;&lt; base &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -305,9 +305,9 @@ if ('onhashchange' in window) {
 <span id="L239" class="LineNr">239 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name_before_rewrite != <span class="Constant">&quot;local-scope&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L240" class="LineNr">240 </span>  <span class="Comment">// reclaim any local variables unless they're being returned</span>
 <span id="L241" class="LineNr">241 </span>  vector&lt;<span class="Normal">double</span>&gt; zeros<span class="Delimiter">;</span>
-<span id="L242" class="LineNr">242 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">leave default space for last</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L242" class="LineNr">242 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">leave default space for last</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L243" class="LineNr">243 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L244" class="LineNr">244 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L245" class="LineNr">245 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L246" class="LineNr">246 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// local variables only</span>
 <span id="L247" class="LineNr">247 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -340,8 +340,8 @@ if ('onhashchange' in window) {
 <span id="L274" class="LineNr">274 </span><span class="Normal">bool</span> <a href='043space.cc.html#L274'>escaping</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L275" class="LineNr">275 </span>  assert<span class="Delimiter">(</span>Current_routine<span class="Delimiter">);</span>  <span class="Comment">// run-time only</span>
 <span id="L276" class="LineNr">276 </span>  <span class="Comment">// nothing escapes when you fall through past end of recipe</span>
-<span id="L277" class="LineNr">277 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">()))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L278" class="LineNr">278 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L277" class="LineNr">277 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">()))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L278" class="LineNr">278 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L279" class="LineNr">279 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>r == current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L280" class="LineNr">280 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='043space.cc.html#L302'>caller_uses_product</a><span class="Delimiter">(</span>i<span class="Delimiter">))</span>
 <span id="L281" class="LineNr">281 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
@@ -371,7 +371,7 @@ if ('onhashchange' in window) {
 <span id="L305" class="LineNr">305 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>size<span class="Delimiter">()</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L306" class="LineNr">306 </span>  <span class="Normal">const</span> call&amp; caller = *++Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>
 <span id="L307" class="LineNr">307 </span>  <span class="Normal">const</span> instruction&amp; caller_inst = to_instruction<span class="Delimiter">(</span>caller<span class="Delimiter">);</span>
-<span id="L308" class="LineNr">308 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>product_index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L308" class="LineNr">308 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>product_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L309" class="LineNr">309 </span>  <span class="Identifier">return</span> !is_dummy<span class="Delimiter">(</span>caller_inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>product_index<span class="Delimiter">));</span>
 <span id="L310" class="LineNr">310 </span><span class="Delimiter">}</span>
 <span id="L311" class="LineNr">311 </span>
@@ -421,7 +421,7 @@ if ('onhashchange' in window) {
 <span id="L355" class="LineNr">355 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span>
 <span id="L356" class="LineNr">356 </span>  <span class="Constant">4</span>:&amp;:num<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">y:offset</span>
 <span id="L357" class="LineNr">357 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy *<span class="Constant">4</span>:&amp;:num
-<span id="L358" class="LineNr">358 </span>  <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">0</span>
+<span id="L358" class="LineNr">358 </span>  <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">0</span>
 <span id="L359" class="LineNr">359 </span>  <span class="Constant">4</span>:&amp;:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
 <span id="L360" class="LineNr">360 </span>]
 <span id="L361" class="LineNr">361 </span><span class="traceContains">+mem: storing 34 in location 1</span>
@@ -433,7 +433,7 @@ if ('onhashchange' in window) {
 <span id="L367" class="LineNr">367 </span><span class="Comment"># 1:foo wasn't abandoned/cleared</span>
 <span id="L368" class="LineNr">368 </span><span class="traceContains">+run: {5: &quot;number&quot;} &lt;- copy {4: (&quot;address&quot; &quot;number&quot;), &quot;lookup&quot;: ()}</span>
 <span id="L369" class="LineNr">369 </span><span class="traceContains">+mem: storing 12 in location 5</span>
-<span id="L370" class="LineNr">370 </span><span class="traceContains">+run: {1: &quot;foo&quot;} &lt;- <a href='001help.cc.html#L218'>put</a> {1: &quot;foo&quot;}, {y: &quot;offset&quot;}, {0: &quot;literal&quot;}</span>
+<span id="L370" class="LineNr">370 </span><span class="traceContains">+run: {1: &quot;foo&quot;} &lt;- <a href='001help.cc.html#L221'>put</a> {1: &quot;foo&quot;}, {y: &quot;offset&quot;}, {0: &quot;literal&quot;}</span>
 <span id="L371" class="LineNr">371 </span><span class="traceContains">+mem: decrementing refcount of 1006: 2 -&gt; 1</span>
 <span id="L372" class="LineNr">372 </span><span class="traceContains">+run: {4: (&quot;address&quot; &quot;number&quot;)} &lt;- copy {0: &quot;literal&quot;}</span>
 <span id="L373" class="LineNr">373 </span><span class="traceContains">+mem: decrementing refcount of 1006: 1 -&gt; 0</span>
diff --git a/html/044space_surround.cc.html b/html/044space_surround.cc.html
index 8001606b..2d9e04ed 100644
--- a/html/044space_surround.cc.html
+++ b/html/044space_surround.cc.html
@@ -108,12 +108,12 @@ if ('onhashchange' in window) {
 <span id="L45" class="LineNr">45 </span><span class="Normal">int</span> space_base<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">int</span> <a href='044space_surround.cc.html#L52'>space_index</a><span class="Delimiter">,</span> <span class="Normal">int</span> base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L46" class="LineNr">46 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='044space_surround.cc.html#L52'>space_index</a> == <span class="Constant">0</span><span class="Delimiter">)</span>
 <span id="L47" class="LineNr">47 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> base<span class="Delimiter">;</span>
-<span id="L48" class="LineNr">48 </span>  <span class="Normal">int</span> result = space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index-<span class="Constant">1</span><span class="Delimiter">,</span> <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base+<span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">))</span>+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L48" class="LineNr">48 </span>  <span class="Normal">int</span> result = space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index-<span class="Constant">1</span><span class="Delimiter">,</span> <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base+<span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">))</span>+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L49" class="LineNr">49 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L50" class="LineNr">50 </span><span class="Delimiter">}</span>
 <span id="L51" class="LineNr">51 </span>
 <span id="L52" class="LineNr">52 </span><span class="Normal">int</span> <a href='044space_surround.cc.html#L52'>space_index</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L53" class="LineNr">53 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L53" class="LineNr">53 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L54" class="LineNr">54 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == <span class="Constant">&quot;space&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L55" class="LineNr">55 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second || x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
 <span id="L56" class="LineNr">56 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;/space metadata should take exactly one value in '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
diff --git a/html/045closure_name.cc.html b/html/045closure_name.cc.html
index f3afa306..d063de08 100644
--- a/html/045closure_name.cc.html
+++ b/html/045closure_name.cc.html
@@ -101,10 +101,10 @@ if ('onhashchange' in window) {
 <span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(code)</span>
 <span id="L39" class="LineNr"> 39 </span><span class="Normal">void</span> <a href='045closure_name.cc.html#L39'>collect_surrounding_spaces</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L40" class="LineNr"> 40 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- collect surrounding spaces for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L41" class="LineNr"> 41 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L41" class="LineNr"> 41 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L42" class="LineNr"> 42 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L43" class="LineNr"> 43 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L46" class="LineNr"> 46 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">).</span>name != <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L47" class="LineNr"> 47 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_space<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
@@ -132,7 +132,7 @@ if ('onhashchange' in window) {
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;can't find recipe providing surrounding space for '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'; looking for '&quot;</span> &lt;&lt; surrounding_recipe_name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">));</span>
+<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">));</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">}</span>
 <span id="L75" class="LineNr"> 75 </span><span class="Delimiter">}</span>
@@ -163,10 +163,10 @@ if ('onhashchange' in window) {
 <span id="L100" class="LineNr">100 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Name[r]<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> Name[r][x<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>done<span class="Delimiter">,</span> r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;can't compute address of '&quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' because</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; requires computing names of &quot;</span> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L105" class="LineNr">105 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; requires computing names of &quot;</span> &lt;&lt; r &lt;&lt; <span class="Constant">&quot;..ad infinitum</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; requires computing names of &quot;</span> &lt;&lt; r &lt;&lt; <span class="Constant">&quot;..ad infinitum</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L107" class="LineNr">107 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L108" class="LineNr">108 </span>  <span class="Delimiter">}</span>
 <span id="L109" class="LineNr">109 </span>  done<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
diff --git a/html/047check_type_by_name.cc.html b/html/047check_type_by_name.cc.html
index c6bc8a75..a9fcb0f3 100644
--- a/html/047check_type_by_name.cc.html
+++ b/html/047check_type_by_name.cc.html
@@ -86,13 +86,13 @@ if ('onhashchange' in window) {
 <span id="L22" class="LineNr"> 22 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- deduce types for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L23" class="LineNr"> 23 </span>  recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L24" class="LineNr"> 24 </span>  set&lt;reagent&gt; known<span class="Delimiter">;</span>
-<span id="L25" class="LineNr"> 25 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L25" class="LineNr"> 25 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L26" class="LineNr"> 26 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L28" class="LineNr"> 28 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='047check_type_by_name.cc.html#L38'>deduce_missing_type</a><span class="Delimiter">(</span>known<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='047check_type_by_name.cc.html#L49'>check_type</a><span class="Delimiter">(</span>known<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> caller<span class="Delimiter">);</span>
 <span id="L30" class="LineNr"> 30 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L31" class="LineNr"> 31 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L31" class="LineNr"> 31 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L32" class="LineNr"> 32 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='047check_type_by_name.cc.html#L38'>deduce_missing_type</a><span class="Delimiter">(</span>known<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">));</span>
 <span id="L33" class="LineNr"> 33 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='047check_type_by_name.cc.html#L49'>check_type</a><span class="Delimiter">(</span>known<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> caller<span class="Delimiter">);</span>
 <span id="L34" class="LineNr"> 34 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
diff --git a/html/050scenario.cc.html b/html/050scenario.cc.html
index 4c69836b..a692ab6b 100644
--- a/html/050scenario.cc.html
+++ b/html/050scenario.cc.html
@@ -181,12 +181,12 @@ if ('onhashchange' in window) {
 <span id="L114" class="LineNr">114 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L115" class="LineNr">115 </span>  <span class="Delimiter">}</span>
 <span id="L116" class="LineNr">116 </span>  result<span class="Delimiter">.</span>to_run<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L117" class="LineNr">117 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>to_run<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>to_run<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L117" class="LineNr">117 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>to_run<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>to_run<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L118" class="LineNr">118 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;scenario &quot;</span> &lt;&lt; result<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; has an unbalanced '['</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L119" class="LineNr">119 </span>  <span class="Conceal">¦</span> result<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
 <span id="L120" class="LineNr">120 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L121" class="LineNr">121 </span>  <span class="Delimiter">}</span>
-<span id="L122" class="LineNr">122 </span>  result<span class="Delimiter">.</span>to_run<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>to_run<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L122" class="LineNr">122 </span>  result<span class="Delimiter">.</span>to_run<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>to_run<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L123" class="LineNr">123 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L124" class="LineNr">124 </span><span class="Delimiter">}</span>
 <span id="L125" class="LineNr">125 </span>
@@ -220,7 +220,7 @@ if ('onhashchange' in window) {
 <span id="L153" class="LineNr">153 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
 <span id="L154" class="LineNr">154 </span><span class="Normal">int</span> Num_core_mu_scenarios = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L155" class="LineNr">155 </span><span class="Delimiter">:(after &quot;Check For .mu Files&quot;)</span>
-<span id="L156" class="LineNr">156 </span>Num_core_mu_scenarios = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">);</span>
+<span id="L156" class="LineNr">156 </span>Num_core_mu_scenarios = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">);</span>
 <span id="L157" class="LineNr">157 </span><span class="Delimiter">:(before &quot;End Tests&quot;)</span>
 <span id="L158" class="LineNr">158 </span>Hide_missing_default_space_errors = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L159" class="LineNr">159 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Num_core_mu_scenarios &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -235,10 +235,10 @@ if ('onhashchange' in window) {
 <span id="L168" class="LineNr">168 </span>  cerr &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L169" class="LineNr">169 </span><span class="Delimiter">}</span>
 <span id="L170" class="LineNr">170 </span><span class="Normal">run_app_scenarios</span>:
-<span id="L171" class="LineNr">171 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Num_core_mu_scenarios != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L171" class="LineNr">171 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Num_core_mu_scenarios != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L172" class="LineNr">172 </span>  time<span class="Delimiter">(</span>&amp;t<span class="Delimiter">);</span>
 <span id="L173" class="LineNr">173 </span>  cerr &lt;&lt; <span class="Constant">&quot;App tests: &quot;</span> &lt;&lt; ctime<span class="Delimiter">(</span>&amp;t<span class="Delimiter">);</span>
-<span id="L174" class="LineNr">174 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = Num_core_mu_scenarios<span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L174" class="LineNr">174 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = Num_core_mu_scenarios<span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L175" class="LineNr">175 </span><span class="CommentedCode">//?     cerr &lt;&lt; '\n' &lt;&lt; i &lt;&lt; &quot;: &quot; &lt;&lt; Scenarios.at(i).name;</span>
 <span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> run_mu_scenario<span class="Delimiter">(</span>Scenarios<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Passed<span class="Delimiter">)</span> cerr &lt;&lt; <span class="Constant">&quot;.&quot;</span><span class="Delimiter">;</span>
@@ -252,17 +252,17 @@ if ('onhashchange' in window) {
 <span id="L185" class="LineNr">185 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
 <span id="L186" class="LineNr">186 </span><span class="Normal">bool</span> Test_only_app = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L187" class="LineNr">187 </span><span class="Delimiter">:(before &quot;End Commandline Options(*arg)&quot;)</span>
-<span id="L188" class="LineNr">188 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--test-only-app&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L188" class="LineNr">188 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--test-only-app&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L189" class="LineNr">189 </span>  Test_only_app = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L190" class="LineNr">190 </span><span class="Delimiter">}</span>
 <span id="L191" class="LineNr">191 </span><span class="Delimiter">:(after &quot;End Test Run Initialization&quot;)</span>
-<span id="L192" class="LineNr">192 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Test_only_app &amp;&amp; Num_core_mu_scenarios &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L192" class="LineNr">192 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Test_only_app &amp;&amp; Num_core_mu_scenarios &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L193" class="LineNr">193 </span>  <span class="Identifier">goto</span> run_app_scenarios<span class="Delimiter">;</span>
 <span id="L194" class="LineNr">194 </span><span class="Delimiter">}</span>
 <span id="L195" class="LineNr">195 </span>
 <span id="L196" class="LineNr">196 </span><span class="Comment">//: Convenience: run a single named scenario.</span>
 <span id="L197" class="LineNr">197 </span><span class="Delimiter">:(after &quot;Test Runs&quot;)</span>
-<span id="L198" class="LineNr">198 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L198" class="LineNr">198 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Scenarios<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Scenarios<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == argv[argc-<span class="Constant">1</span>]<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Start_tracing<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L201" class="LineNr">201 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Trace_stream = <span class="Normal">new</span> trace_stream<span class="Delimiter">;</span>
@@ -329,7 +329,7 @@ if ('onhashchange' in window) {
 <span id="L262" class="LineNr">262 </span><span class="Delimiter">:(code)</span>
 <span id="L263" class="LineNr">263 </span><span class="Normal">void</span> maybe_make_raw<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L264" class="LineNr">264 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_special_name<span class="Delimiter">(</span>r<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L265" class="LineNr">265 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;scenario_&quot;</span><span class="Delimiter">))</span>
+<span id="L265" class="LineNr">265 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;scenario_&quot;</span><span class="Delimiter">))</span>
 <span id="L266" class="LineNr">266 </span>  <span class="Conceal">¦</span> r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span><span class="Constant">&quot;raw&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
 <span id="L267" class="LineNr">267 </span>  <span class="Comment">// End maybe_make_raw</span>
 <span id="L268" class="LineNr">268 </span><span class="Delimiter">}</span>
@@ -446,7 +446,7 @@ if ('onhashchange' in window) {
 <span id="L379" class="LineNr">379 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L380" class="LineNr">380 </span>MEMORY_SHOULD_CONTAIN<span class="Delimiter">,</span>
 <span id="L381" class="LineNr">381 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L382" class="LineNr">382 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;memory-should-contain&quot;</span><span class="Delimiter">,</span> MEMORY_SHOULD_CONTAIN<span class="Delimiter">);</span>
+<span id="L382" class="LineNr">382 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;memory-should-contain&quot;</span><span class="Delimiter">,</span> MEMORY_SHOULD_CONTAIN<span class="Delimiter">);</span>
 <span id="L383" class="LineNr">383 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L384" class="LineNr">384 </span><span class="Normal">case</span> MEMORY_SHOULD_CONTAIN: <span class="Delimiter">{</span>
 <span id="L385" class="LineNr">385 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -500,14 +500,14 @@ if ('onhashchange' in window) {
 <span id="L433" class="LineNr">433 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>locations_checked<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span>
 <span id="L434" class="LineNr">434 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;duplicate expectation for location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L435" class="LineNr">435 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking location &quot;</span> &lt;&lt; <a href='043space.cc.html#L76'>address</a> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L436" class="LineNr">436 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> != value<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L436" class="LineNr">436 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> != value<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L437" class="LineNr">437 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Current_scenario &amp;&amp; !Scenario_testing_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L438" class="LineNr">438 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// genuine test in a .mu file</span>
-<span id="L439" class="LineNr">439 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L439" class="LineNr">439 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L440" class="LineNr">440 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L441" class="LineNr">441 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L442" class="LineNr">442 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// just testing scenario support</span>
-<span id="L443" class="LineNr">443 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L443" class="LineNr">443 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L444" class="LineNr">444 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L445" class="LineNr">445 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L446" class="LineNr">446 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
@@ -548,25 +548,25 @@ if ('onhashchange' in window) {
 <span id="L481" class="LineNr">481 </span>
 <span id="L482" class="LineNr">482 </span><span class="Normal">void</span> check_string<span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; literal<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L483" class="LineNr">483 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking string length at &quot;</span> &lt;&lt; <a href='043space.cc.html#L76'>address</a> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L484" class="LineNr">484 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L484" class="LineNr">484 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L485" class="LineNr">485 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Current_scenario &amp;&amp; !Scenario_testing_scenario<span class="Delimiter">)</span>
-<span id="L486" class="LineNr">486 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain length &quot;</span> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; of string [&quot;</span> &lt;&lt; literal &lt;&lt; <span class="Constant">&quot;] but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; (&quot;</span> &lt;&lt; <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span>address-<span class="Comment">/*</span><span class="Comment">fake refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L486" class="LineNr">486 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain length &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; of string [&quot;</span> &lt;&lt; literal &lt;&lt; <span class="Constant">&quot;] but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; (&quot;</span> &lt;&lt; <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span>address-<span class="Comment">/*</span><span class="Comment">fake refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L487" class="LineNr">487 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span>
-<span id="L488" class="LineNr">488 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain length &quot;</span> &lt;&lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; of string [&quot;</span> &lt;&lt; literal &lt;&lt; <span class="Constant">&quot;] but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L488" class="LineNr">488 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected location '&quot;</span> &lt;&lt; address &lt;&lt; <span class="Constant">&quot;' to contain length &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; of string [&quot;</span> &lt;&lt; literal &lt;&lt; <span class="Constant">&quot;] but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L489" class="LineNr">489 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L490" class="LineNr">490 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L491" class="LineNr">491 </span>  <span class="Delimiter">}</span>
 <span id="L492" class="LineNr">492 </span>  ++address<span class="Delimiter">;</span>  <span class="Comment">// now skip length</span>
-<span id="L493" class="LineNr">493 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L493" class="LineNr">493 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L494" class="LineNr">494 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking location &quot;</span> &lt;&lt; address+i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L495" class="LineNr">495 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">)</span> != literal<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L495" class="LineNr">495 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">)</span> != literal<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L496" class="LineNr">496 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Current_scenario &amp;&amp; !Scenario_testing_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L497" class="LineNr">497 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// genuine test in a .mu file</span>
-<span id="L498" class="LineNr">498 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected location &quot;</span> &lt;&lt; <span class="Delimiter">(</span>address+i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; to contain &quot;</span> &lt;&lt; literal<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; ('&quot;</span> &lt;&lt; <span class="Normal">static_cast</span>&lt;<span class="Normal">char</span>&gt;<span class="Delimiter">(</span>get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;')</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L498" class="LineNr">498 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected location &quot;</span> &lt;&lt; <span class="Delimiter">(</span>address+i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; to contain &quot;</span> &lt;&lt; literal<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; ('&quot;</span> &lt;&lt; <span class="Normal">static_cast</span>&lt;<span class="Normal">char</span>&gt;<span class="Delimiter">(</span>get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;')</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L499" class="LineNr">499 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L500" class="LineNr">500 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L501" class="LineNr">501 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// just testing scenario support</span>
-<span id="L502" class="LineNr">502 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected location &quot;</span> &lt;&lt; <span class="Delimiter">(</span>address+i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; to contain &quot;</span> &lt;&lt; literal<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L502" class="LineNr">502 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected location &quot;</span> &lt;&lt; <span class="Delimiter">(</span>address+i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; to contain &quot;</span> &lt;&lt; literal<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but saw &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L503" class="LineNr">503 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L504" class="LineNr">504 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L505" class="LineNr">505 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
@@ -654,7 +654,7 @@ if ('onhashchange' in window) {
 <span id="L587" class="LineNr">587 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L588" class="LineNr">588 </span>TRACE_SHOULD_CONTAIN<span class="Delimiter">,</span>
 <span id="L589" class="LineNr">589 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L590" class="LineNr">590 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace-should-contain&quot;</span><span class="Delimiter">,</span> TRACE_SHOULD_CONTAIN<span class="Delimiter">);</span>
+<span id="L590" class="LineNr">590 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace-should-contain&quot;</span><span class="Delimiter">,</span> TRACE_SHOULD_CONTAIN<span class="Delimiter">);</span>
 <span id="L591" class="LineNr">591 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L592" class="LineNr">592 </span><span class="Normal">case</span> TRACE_SHOULD_CONTAIN: <span class="Delimiter">{</span>
 <span id="L593" class="LineNr">593 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -679,7 +679,7 @@ if ('onhashchange' in window) {
 <span id="L612" class="LineNr">612 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">).</span>contents != <a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L613" class="LineNr">613 </span>  <span class="Conceal">¦</span> <span class="Comment">// match</span>
 <span id="L614" class="LineNr">614 </span>  <span class="Conceal">¦</span> ++curr_expected_line<span class="Delimiter">;</span>
-<span id="L615" class="LineNr">615 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr_expected_line == <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L615" class="LineNr">615 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr_expected_line == <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>expected_lines<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L616" class="LineNr">616 </span>  <span class="Delimiter">}</span>
 <span id="L617" class="LineNr">617 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_scenario &amp;&amp; !Scenario_testing_scenario<span class="Delimiter">)</span>
 <span id="L618" class="LineNr">618 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: missing [&quot;</span> &lt;&lt; expected_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>curr_expected_line<span class="Delimiter">).</span>contents &lt;&lt; <span class="Constant">&quot;] &quot;</span>
@@ -695,7 +695,7 @@ if ('onhashchange' in window) {
 <span id="L628" class="LineNr">628 </span>vector&lt;trace_line&gt; parse_trace<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; expected<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L629" class="LineNr">629 </span>  vector&lt;string&gt; buf = <a href='003trace.cc.html#L331'>split</a><span class="Delimiter">(</span>expected<span class="Delimiter">,</span> <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
 <span id="L630" class="LineNr">630 </span>  vector&lt;trace_line&gt; result<span class="Delimiter">;</span>
-<span id="L631" class="LineNr">631 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>buf<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L631" class="LineNr">631 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>buf<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L632" class="LineNr">632 </span>  <span class="Conceal">¦</span> buf<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> = <a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span>buf<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L633" class="LineNr">633 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>buf<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L634" class="LineNr">634 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> delim = buf<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>find<span class="Delimiter">(</span><span class="Constant">&quot;: &quot;</span><span class="Delimiter">);</span>
@@ -756,7 +756,7 @@ if ('onhashchange' in window) {
 <span id="L689" class="LineNr">689 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L690" class="LineNr">690 </span>TRACE_SHOULD_NOT_CONTAIN<span class="Delimiter">,</span>
 <span id="L691" class="LineNr">691 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L692" class="LineNr">692 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace-should-not-contain&quot;</span><span class="Delimiter">,</span> TRACE_SHOULD_NOT_CONTAIN<span class="Delimiter">);</span>
+<span id="L692" class="LineNr">692 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;trace-should-not-contain&quot;</span><span class="Delimiter">,</span> TRACE_SHOULD_NOT_CONTAIN<span class="Delimiter">);</span>
 <span id="L693" class="LineNr">693 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L694" class="LineNr">694 </span><span class="Normal">case</span> TRACE_SHOULD_NOT_CONTAIN: <span class="Delimiter">{</span>
 <span id="L695" class="LineNr">695 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -774,7 +774,7 @@ if ('onhashchange' in window) {
 <span id="L707" class="LineNr">707 </span><span class="Normal">bool</span> check_trace_missing<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L708" class="LineNr">708 </span>  Trace_stream<span class="Delimiter">-&gt;</span><a href='003trace.cc.html#L127'>newline</a><span class="Delimiter">();</span>
 <span id="L709" class="LineNr">709 </span>  vector&lt;trace_line&gt; lines = parse_trace<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L710" class="LineNr">710 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>lines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L710" class="LineNr">710 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>lines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L711" class="LineNr">711 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>trace_count<span class="Delimiter">(</span>lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>label<span class="Delimiter">,</span> lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>contents<span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L712" class="LineNr">712 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;unexpected [&quot;</span> &lt;&lt; lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>contents &lt;&lt; <span class="Constant">&quot;] in <a href='003trace.cc.html#L161'>trace</a> with label '&quot;</span> &lt;&lt; lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>label &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L713" class="LineNr">713 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed = <span class="Constant">false</span><span class="Delimiter">;</span>
@@ -820,10 +820,10 @@ if ('onhashchange' in window) {
 <span id="L753" class="LineNr">753 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L754" class="LineNr">754 </span>CHECK_TRACE_COUNT_FOR_LABEL<span class="Delimiter">,</span>
 <span id="L755" class="LineNr">755 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L756" class="LineNr">756 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;check-trace-count-for-label&quot;</span><span class="Delimiter">,</span> CHECK_TRACE_COUNT_FOR_LABEL<span class="Delimiter">);</span>
+<span id="L756" class="LineNr">756 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;check-trace-count-for-label&quot;</span><span class="Delimiter">,</span> CHECK_TRACE_COUNT_FOR_LABEL<span class="Delimiter">);</span>
 <span id="L757" class="LineNr">757 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L758" class="LineNr">758 </span><span class="Normal">case</span> CHECK_TRACE_COUNT_FOR_LABEL: <span class="Delimiter">{</span>
-<span id="L759" class="LineNr">759 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L759" class="LineNr">759 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L760" class="LineNr">760 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'check-trace-count-for-label' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L761" class="LineNr">761 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L762" class="LineNr">762 </span>  <span class="Delimiter">}</span>
diff --git a/html/052tangle.cc.html b/html/052tangle.cc.html
index 8217fcfa..5bb9ba40 100644
--- a/html/052tangle.cc.html
+++ b/html/052tangle.cc.html
@@ -161,7 +161,7 @@ if ('onhashchange' in window) {
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span> made_progress = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Conceal">¦</span> <span class="Comment">// create a new vector because insertions invalidate iterators</span>
 <span id="L99" class="LineNr"> 99 </span>  <span class="Conceal">¦</span> vector&lt;instruction&gt; result<span class="Delimiter">;</span>
-<span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>is_label || !is_waypoint<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label<span class="Delimiter">)</span> || inst<span class="Delimiter">.</span>tangle_done<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
@@ -197,12 +197,12 @@ if ('onhashchange' in window) {
 <span id="L133" class="LineNr">133 </span>  <span class="Comment">// so we'll keep jump targets local to the specific before/after fragment</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Comment">// that introduces them.</span>
 <span id="L135" class="LineNr">135 </span>  set&lt;string&gt; jump_targets<span class="Delimiter">;</span>
-<span id="L136" class="LineNr">136 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>patch<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L136" class="LineNr">136 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>patch<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L137" class="LineNr">137 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = patch<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L138" class="LineNr">138 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label &amp;&amp; <a href='041jump_target.cc.html#L11'>is_jump_target</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label<span class="Delimiter">))</span>
 <span id="L139" class="LineNr">139 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> jump_targets<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label<span class="Delimiter">);</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Delimiter">}</span>
-<span id="L141" class="LineNr">141 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>patch<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L141" class="LineNr">141 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>patch<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L142" class="LineNr">142 </span>  <span class="Conceal">¦</span> <a href='010vm.cc.html#L32'>instruction</a> inst = patch<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L143" class="LineNr">143 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L144" class="LineNr">144 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>jump_targets<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">))</span>
@@ -210,7 +210,7 @@ if ('onhashchange' in window) {
 <span id="L146" class="LineNr">146 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> base<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
 <span id="L147" class="LineNr">147 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L148" class="LineNr">148 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L149" class="LineNr">149 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L149" class="LineNr">149 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L150" class="LineNr">150 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> reagent&amp; x = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span>
 <span id="L151" class="LineNr">151 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='041jump_target.cc.html#L11'>is_jump_target</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &amp;&amp; contains_key<span class="Delimiter">(</span>jump_targets<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span>
 <span id="L152" class="LineNr">152 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> x<span class="Delimiter">.</span>name = prefix+x<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
diff --git a/html/053recipe_header.cc.html b/html/053recipe_header.cc.html
index e9810da7..55788425 100644
--- a/html/053recipe_header.cc.html
+++ b/html/053recipe_header.cc.html
@@ -97,7 +97,7 @@ if ('onhashchange' in window) {
 <span id="L31" class="LineNr"> 31 </span><span class="Delimiter">:(code)</span>
 <span id="L32" class="LineNr"> 32 </span><span class="Normal">void</span> <a href='053recipe_header.cc.html#L32'>load_recipe_header</a><span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> recipe&amp; result<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L33" class="LineNr"> 33 </span>  result<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="Conceal">¦</span> string s = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
@@ -111,7 +111,7 @@ if ('onhashchange' in window) {
 <span id="L45" class="LineNr"> 45 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;header ingredient: &quot;</span> &lt;&lt; result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>back<span class="Delimiter">().</span>original_string &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L46" class="LineNr"> 46 </span>  <span class="Conceal">¦</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L47" class="LineNr"> 47 </span>  <span class="Delimiter">}</span>
-<span id="L48" class="LineNr"> 48 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L48" class="LineNr"> 48 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> &amp;&amp; in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Conceal">¦</span> string s = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
@@ -185,10 +185,10 @@ if ('onhashchange' in window) {
 <span id="L119" class="LineNr">119 </span>
 <span id="L120" class="LineNr">120 </span><span class="Delimiter">:(after &quot;Begin debug_string(recipe x)&quot;)</span>
 <span id="L121" class="LineNr">121 </span>out &lt;&lt; <span class="Constant">&quot;ingredients:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L122" class="LineNr">122 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L122" class="LineNr">122 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L123" class="LineNr">123 </span>  out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L124" class="LineNr">124 </span>out &lt;&lt; <span class="Constant">&quot;products:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L125" class="LineNr">125 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L125" class="LineNr">125 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L126" class="LineNr">126 </span>  out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L127" class="LineNr">127 </span>
 <span id="L128" class="LineNr">128 </span><span class="Comment">//: If a recipe never mentions any ingredients or products, assume it has a header.</span>
@@ -202,7 +202,7 @@ if ('onhashchange' in window) {
 <span id="L136" class="LineNr">136 </span><span class="Delimiter">:(before &quot;End Recipe Body(result)&quot;)</span>
 <span id="L137" class="LineNr">137 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!result<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L138" class="LineNr">138 </span>  result<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L139" class="LineNr">139 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L139" class="LineNr">139 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = result<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L141" class="LineNr">141 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply&quot;</span> &amp;&amp; !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
 <span id="L142" class="LineNr">142 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> || <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;return&quot;</span> &amp;&amp; !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
@@ -234,9 +234,9 @@ if ('onhashchange' in window) {
 <span id="L168" class="LineNr">168 </span><span class="traceContains">+mem: storing 97 in location 1</span>
 <span id="L169" class="LineNr">169 </span>
 <span id="L170" class="LineNr">170 </span><span class="Delimiter">:(before &quot;End Expand Type Abbreviations(caller)&quot;)</span>
-<span id="L171" class="LineNr">171 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L171" class="LineNr">171 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L172" class="LineNr">172 </span>  expand_type_abbreviations<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
-<span id="L173" class="LineNr">173 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L173" class="LineNr">173 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L174" class="LineNr">174 </span>  expand_type_abbreviations<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L175" class="LineNr">175 </span>
 <span id="L176" class="LineNr">176 </span><span class="Comment">//: Rewrite 'load-ingredients' to instructions to create all reagents in the header.</span>
@@ -245,7 +245,7 @@ if ('onhashchange' in window) {
 <span id="L179" class="LineNr">179 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;load-ingredients&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L180" class="LineNr">180 </span>  curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
 <span id="L181" class="LineNr">181 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> op = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;next-ingredient-without-typechecking&quot;</span><span class="Delimiter">);</span>
-<span id="L182" class="LineNr">182 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L182" class="LineNr">182 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L183" class="LineNr">183 </span>  <span class="Conceal">¦</span> curr<span class="Delimiter">.</span>operation = op<span class="Delimiter">;</span>
 <span id="L184" class="LineNr">184 </span>  <span class="Conceal">¦</span> curr<span class="Delimiter">.</span>name = <span class="Constant">&quot;next-ingredient-without-typechecking&quot;</span><span class="Delimiter">;</span>
 <span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
@@ -262,7 +262,7 @@ if ('onhashchange' in window) {
 <span id="L196" class="LineNr">196 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L197" class="LineNr">197 </span>NEXT_INGREDIENT_WITHOUT_TYPECHECKING<span class="Delimiter">,</span>
 <span id="L198" class="LineNr">198 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L199" class="LineNr">199 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;next-ingredient-without-typechecking&quot;</span><span class="Delimiter">,</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING<span class="Delimiter">);</span>
+<span id="L199" class="LineNr">199 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;next-ingredient-without-typechecking&quot;</span><span class="Delimiter">,</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING<span class="Delimiter">);</span>
 <span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L201" class="LineNr">201 </span><span class="Normal">case</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING: <span class="Delimiter">{</span>
 <span id="L202" class="LineNr">202 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -270,10 +270,10 @@ if ('onhashchange' in window) {
 <span id="L204" class="LineNr">204 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L205" class="LineNr">205 </span><span class="Normal">case</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING: <span class="Delimiter">{</span>
 <span id="L206" class="LineNr">206 </span>  assert<span class="Delimiter">(</span>!Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L207" class="LineNr">207 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L207" class="LineNr">207 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L208" class="LineNr">208 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>
 <span id="L209" class="LineNr">209 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>at<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">));</span>
-<span id="L210" class="LineNr">210 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">// push a new vector</span>
+<span id="L210" class="LineNr">210 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">// push a new vector</span>
 <span id="L211" class="LineNr">211 </span>  <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L212" class="LineNr">212 </span>  <span class="Conceal">¦</span> ++current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">;</span>
 <span id="L213" class="LineNr">213 </span>  <span class="Delimiter">}</span>
@@ -316,7 +316,7 @@ if ('onhashchange' in window) {
 <span id="L250" class="LineNr">250 </span>
 <span id="L251" class="LineNr">251 </span><span class="Delimiter">:(code)</span>
 <span id="L252" class="LineNr">252 </span><span class="Normal">bool</span> is_present_in_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; callee<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; ingredient_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L253" class="LineNr">253 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L253" class="LineNr">253 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L254" class="LineNr">254 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == ingredient_name<span class="Delimiter">)</span>
 <span id="L255" class="LineNr">255 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Delimiter">}</span>
@@ -355,19 +355,19 @@ if ('onhashchange' in window) {
 <span id="L289" class="LineNr">289 </span><span class="Normal">void</span> check_calls_against_header<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L290" class="LineNr">290 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L291" class="LineNr">291 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- type-check calls inside <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L292" class="LineNr">292 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L292" class="LineNr">292 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L293" class="LineNr">293 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L294" class="LineNr">294 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation &lt; <a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L295" class="LineNr">295 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> recipe&amp; callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">);</span>
 <span id="L296" class="LineNr">296 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!callee<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L297" class="LineNr">297 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L297" class="LineNr">297 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L298" class="LineNr">298 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// ingredients coerced from call to callee</span>
 <span id="L299" class="LineNr">299 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L300" class="LineNr">300 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; has the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L301" class="LineNr">301 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;  ['&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' vs '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;']</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L302" class="LineNr">302 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L303" class="LineNr">303 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L304" class="LineNr">304 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L304" class="LineNr">304 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L305" class="LineNr">305 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L306" class="LineNr">306 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// products coerced from callee to call</span>
 <span id="L307" class="LineNr">307 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
@@ -399,14 +399,14 @@ if ('onhashchange' in window) {
 <span id="L333" class="LineNr">333 </span>  <span class="Normal">const</span> recipe&amp; caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L334" class="LineNr">334 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L335" class="LineNr">335 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- checking return instructions against header for &quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L336" class="LineNr">336 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L336" class="LineNr">336 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L337" class="LineNr">337 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L338" class="LineNr">338 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;reply&quot;</span> &amp;&amp; inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;return&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L339" class="LineNr">339 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L339" class="LineNr">339 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L340" class="LineNr">340 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replied with the wrong number of products at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L341" class="LineNr">341 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L342" class="LineNr">342 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L343" class="LineNr">343 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L343" class="LineNr">343 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L344" class="LineNr">344 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L345" class="LineNr">345 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replied with the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L346" class="LineNr">346 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -470,12 +470,12 @@ if ('onhashchange' in window) {
 <span id="L404" class="LineNr">404 </span>  recipe&amp; caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L405" class="LineNr">405 </span>  caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
 <span id="L406" class="LineNr">406 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- checking return instructions against header for &quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L407" class="LineNr">407 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L407" class="LineNr">407 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L408" class="LineNr">408 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span>
 <span id="L409" class="LineNr">409 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient '&quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' has no type</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L410" class="LineNr">410 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span>
 <span id="L411" class="LineNr">411 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' can't repeat in the ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L412" class="LineNr">412 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
+<span id="L412" class="LineNr">412 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
 <span id="L413" class="LineNr">413 </span>  <span class="Delimiter">}</span>
 <span id="L414" class="LineNr">414 </span><span class="Delimiter">}</span>
 <span id="L415" class="LineNr">415 </span>
@@ -503,20 +503,20 @@ if ('onhashchange' in window) {
 <span id="L437" class="LineNr">437 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L438" class="LineNr">438 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- deduce types from header for &quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L439" class="LineNr">439 </span>  map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt; header_type<span class="Delimiter">;</span>
-<span id="L440" class="LineNr">440 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L440" class="LineNr">440 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L441" class="LineNr">441 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error handled elsewhere</span>
-<span id="L442" class="LineNr">442 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
+<span id="L442" class="LineNr">442 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L443" class="LineNr">443 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;type of &quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L444" class="LineNr">444 </span>  <span class="Delimiter">}</span>
-<span id="L445" class="LineNr">445 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L445" class="LineNr">445 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L446" class="LineNr">446 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error handled elsewhere</span>
-<span id="L447" class="LineNr">447 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
+<span id="L447" class="LineNr">447 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L448" class="LineNr">448 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;type of &quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L449" class="LineNr">449 </span>  <span class="Delimiter">}</span>
-<span id="L450" class="LineNr">450 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L450" class="LineNr">450 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L451" class="LineNr">451 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L452" class="LineNr">452 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L453" class="LineNr">453 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L453" class="LineNr">453 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L454" class="LineNr">454 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L455" class="LineNr">455 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>header_type<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> == header_type<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">())</span>
 <span id="L456" class="LineNr">456 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -524,7 +524,7 @@ if ('onhashchange' in window) {
 <span id="L458" class="LineNr">458 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">));</span>
 <span id="L459" class="LineNr">459 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;type of &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L460" class="LineNr">460 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L461" class="LineNr">461 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L461" class="LineNr">461 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L462" class="LineNr">462 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;  product: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L463" class="LineNr">463 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L464" class="LineNr">464 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>header_type<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> == header_type<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">())</span>
@@ -559,14 +559,14 @@ if ('onhashchange' in window) {
 <span id="L493" class="LineNr">493 </span>  recipe&amp; caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L494" class="LineNr">494 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- fill in return ingredients from header for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L495" class="LineNr">495 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L496" class="LineNr">496 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L496" class="LineNr">496 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L497" class="LineNr">497 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L498" class="LineNr">498 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply&quot;</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;return&quot;</span><span class="Delimiter">)</span>
 <span id="L499" class="LineNr">499 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> add_header_products<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
 <span id="L500" class="LineNr">500 </span>  <span class="Delimiter">}</span>
 <span id="L501" class="LineNr">501 </span>  <span class="Comment">// fall through return</span>
 <span id="L502" class="LineNr">502 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L503" class="LineNr">503 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; final_instruction = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L503" class="LineNr">503 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; final_instruction = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L504" class="LineNr">504 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>final_instruction<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply&quot;</span> || final_instruction<span class="Delimiter">.</span>name == <span class="Constant">&quot;return&quot;</span><span class="Delimiter">)</span>
 <span id="L505" class="LineNr">505 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L506" class="LineNr">506 </span>  <span class="Delimiter">}</span>
@@ -579,9 +579,9 @@ if ('onhashchange' in window) {
 <span id="L513" class="LineNr">513 </span><span class="Normal">void</span> add_header_products<span class="Delimiter">(</span>instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L514" class="LineNr">514 </span>  assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply&quot;</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;return&quot;</span><span class="Delimiter">);</span>
 <span id="L515" class="LineNr">515 </span>  <span class="Comment">// collect any products with the same names as ingredients</span>
-<span id="L516" class="LineNr">516 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L516" class="LineNr">516 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L517" class="LineNr">517 </span>  <span class="Conceal">¦</span> <span class="Comment">// if the ingredient is missing, add it from the header</span>
-<span id="L518" class="LineNr">518 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> == i<span class="Delimiter">)</span>
+<span id="L518" class="LineNr">518 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> == i<span class="Delimiter">)</span>
 <span id="L519" class="LineNr">519 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L520" class="LineNr">520 </span>  <span class="Conceal">¦</span> <span class="Comment">// if it's missing /same_as_ingredient, try to fill it in</span>
 <span id="L521" class="LineNr">521 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &amp;&amp; !has_property<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot;same_as_ingredient&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
@@ -693,13 +693,13 @@ if ('onhashchange' in window) {
 <span id="L627" class="LineNr">627 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;check <a href='010vm.cc.html#L19'>recipe</a> header constraints for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L628" class="LineNr">628 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L629" class="LineNr">629 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> expected_ingredient<span class="Delimiter">(</span><span class="Constant">&quot;x:<a href='043space.cc.html#L76'>address</a>:array:character&quot;</span><span class="Delimiter">);</span>
-<span id="L630" class="LineNr">630 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L630" class="LineNr">630 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L631" class="LineNr">631 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>expected_ingredient<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L632" class="LineNr">632 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;ingredients of <a href='010vm.cc.html#L19'>recipe</a> 'main' must all be text (address:array:character)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L633" class="LineNr">633 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L634" class="LineNr">634 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L635" class="LineNr">635 </span>  <span class="Delimiter">}</span>
-<span id="L636" class="LineNr">636 </span>  <span class="Normal">int</span> nprod = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>
+<span id="L636" class="LineNr">636 </span>  <span class="Normal">int</span> nprod = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>
 <span id="L637" class="LineNr">637 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> expected_product<span class="Delimiter">(</span><span class="Constant">&quot;x:number&quot;</span><span class="Delimiter">);</span>
 <span id="L638" class="LineNr">638 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>nprod &gt; <span class="Constant">1</span>
 <span id="L639" class="LineNr">639 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> || <span class="Delimiter">(</span>nprod == <span class="Constant">1</span> &amp;&amp; !types_strictly_match<span class="Delimiter">(</span>expected_product<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))))</span> <span class="Delimiter">{</span>
diff --git a/html/054static_dispatch.cc.html b/html/054static_dispatch.cc.html
index 52d549fe..ce95b435 100644
--- a/html/054static_dispatch.cc.html
+++ b/html/054static_dispatch.cc.html
@@ -85,7 +85,7 @@ if ('onhashchange' in window) {
 <span id="L20" class="LineNr"> 20 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
 <span id="L21" class="LineNr"> 21 </span>map&lt;string<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt; &gt; Recipe_variants<span class="Delimiter">;</span>
 <span id="L22" class="LineNr"> 22 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
-<span id="L23" class="LineNr"> 23 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;<span class="Delimiter">());</span>  <span class="Comment">// since we manually added main to Recipe_ordinal</span>
+<span id="L23" class="LineNr"> 23 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;<span class="Delimiter">());</span>  <span class="Comment">// since we manually added main to Recipe_ordinal</span>
 <span id="L24" class="LineNr"> 24 </span>
 <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
 <span id="L26" class="LineNr"> 26 </span>map&lt;string<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt; &gt; Recipe_variants_snapshot<span class="Delimiter">;</span>
@@ -103,8 +103,8 @@ if ('onhashchange' in window) {
 <span id="L38" class="LineNr"> 38 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>new_name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// variant doesn't already exist</span>
 <span id="L40" class="LineNr"> 40 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> new_name = <a href='054static_dispatch.cc.html#L111'>next_unused_recipe_name</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
-<span id="L41" class="LineNr"> 41 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
-<span id="L42" class="LineNr"> 42 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">));</span>
+<span id="L41" class="LineNr"> 41 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
+<span id="L42" class="LineNr"> 42 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">));</span>
 <span id="L43" class="LineNr"> 43 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;switching &quot;</span> &lt;&lt; result<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; new_name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Conceal">¦</span> result<span class="Delimiter">.</span>name = new_name<span class="Delimiter">;</span>
@@ -113,14 +113,14 @@ if ('onhashchange' in window) {
 <span id="L48" class="LineNr"> 48 </span><span class="Delimiter">}</span>
 <span id="L49" class="LineNr"> 49 </span><span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Comment">// save first variant</span>
-<span id="L51" class="LineNr"> 51 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
-<span id="L52" class="LineNr"> 52 </span>  <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L51" class="LineNr"> 51 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
+<span id="L52" class="LineNr"> 52 </span>  <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> result<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
 <span id="L53" class="LineNr"> 53 </span><span class="Delimiter">}</span>
 <span id="L54" class="LineNr"> 54 </span>
 <span id="L55" class="LineNr"> 55 </span><span class="Delimiter">:(code)</span>
 <span id="L56" class="LineNr"> 56 </span>string <a href='054static_dispatch.cc.html#L56'>matching_variant_name</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; rr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L57" class="LineNr"> 57 </span>  <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; variants = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> rr<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
-<span id="L58" class="LineNr"> 58 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L57" class="LineNr"> 57 </span>  <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; variants = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> rr<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
+<span id="L58" class="LineNr"> 58 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> recipe&amp; candidate = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L61" class="LineNr"> 61 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!all_reagents_match<span class="Delimiter">(</span>rr<span class="Delimiter">,</span> candidate<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -130,15 +130,15 @@ if ('onhashchange' in window) {
 <span id="L65" class="LineNr"> 65 </span><span class="Delimiter">}</span>
 <span id="L66" class="LineNr"> 66 </span>
 <span id="L67" class="LineNr"> 67 </span><span class="Normal">bool</span> <a href='054static_dispatch.cc.html#L67'>all_reagents_match</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r1<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; r2<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L68" class="LineNr"> 68 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r2<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L69" class="LineNr"> 69 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r2<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L68" class="LineNr"> 68 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r2<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L69" class="LineNr"> 69 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r2<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> expand_type_abbreviations<span class="Delimiter">(</span>r1<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> expand_type_abbreviations<span class="Delimiter">(</span>r2<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!deeply_equal_type_names<span class="Delimiter">(</span>r1<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> r2<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="Delimiter">}</span>
-<span id="L76" class="LineNr"> 76 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L76" class="LineNr"> 76 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r1<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> expand_type_abbreviations<span class="Delimiter">(</span>r1<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span> expand_type_abbreviations<span class="Delimiter">(</span>r2<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!deeply_equal_type_names<span class="Delimiter">(</span>r1<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> r2<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
@@ -199,9 +199,9 @@ if ('onhashchange' in window) {
 <span id="L134" class="LineNr">134 </span>
 <span id="L135" class="LineNr">135 </span><span class="Comment">//: support recipe headers in a previous transform to fill in missing types</span>
 <span id="L136" class="LineNr">136 </span><span class="Delimiter">:(before &quot;End check_or_set_invalid_types&quot;)</span>
-<span id="L137" class="LineNr">137 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L137" class="LineNr">137 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L138" class="LineNr">138 </span>  check_or_set_invalid_types<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">),</span> <span class="Constant">&quot;recipe header ingredient&quot;</span><span class="Delimiter">);</span>
-<span id="L139" class="LineNr">139 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L139" class="LineNr">139 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L140" class="LineNr">140 </span>  check_or_set_invalid_types<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">),</span> <span class="Constant">&quot;recipe header product&quot;</span><span class="Delimiter">);</span>
 <span id="L141" class="LineNr">141 </span>
 <span id="L142" class="LineNr">142 </span><span class="Comment">//: save original name of recipes before renaming them</span>
@@ -228,10 +228,10 @@ if ('onhashchange' in window) {
 <span id="L163" class="LineNr">163 </span><span class="Normal">void</span> <a href='054static_dispatch.cc.html#L163'>resolve_ambiguous_calls</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L164" class="LineNr">164 </span>  recipe&amp; caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L165" class="LineNr">165 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- resolve ambiguous calls for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L166" class="LineNr">166 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L166" class="LineNr">166 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L168" class="LineNr">168 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L361'>non_ghost_size</a><span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">))</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L361'>non_ghost_size</a><span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">))</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L170" class="LineNr">170 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction &quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> Resolve_stack<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>r<span class="Delimiter">));</span>
 <span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> Resolve_stack<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_step_index = index<span class="Delimiter">;</span>
@@ -266,14 +266,14 @@ if ('onhashchange' in window) {
 <span id="L201" class="LineNr">201 </span>
 <span id="L202" class="LineNr">202 </span>  <span class="Comment">// error messages</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &gt;= <a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>  <span class="Comment">// we currently don't check types for primitive variants</span>
-<span id="L204" class="LineNr">204 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L205" class="LineNr">205 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;types don't match in call for '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L206" class="LineNr">206 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;  which tries to call '&quot;</span> &lt;&lt; original_header_label<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L207" class="LineNr">207 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L208" class="LineNr">208 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L209" class="LineNr">209 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to find a matching call for '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L210" class="LineNr">210 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;  available variants are:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L211" class="LineNr">211 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L211" class="LineNr">211 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L212" class="LineNr">212 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;    &quot;</span> &lt;&lt; <a href='054static_dispatch.cc.html#L585'>original_header_label</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L213" class="LineNr">213 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L214" class="LineNr">214 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>list&lt;call&gt;::iterator p = <span class="Comment">/*</span><span class="Comment">skip</span><span class="Comment">*/</span>++Resolve_stack<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Resolve_stack<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -301,7 +301,7 @@ if ('onhashchange' in window) {
 <span id="L236" class="LineNr">236 </span><span class="Comment">// phase 1</span>
 <span id="L237" class="LineNr">237 </span>vector&lt;recipe_ordinal&gt; <a href='054static_dispatch.cc.html#L237'>strictly_matching_variants</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L238" class="LineNr">238 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
-<span id="L239" class="LineNr">239 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L239" class="LineNr">239 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L240" class="LineNr">240 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L241" class="LineNr">241 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking variant (strict) &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; header_label<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L242" class="LineNr">242 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L248'>all_header_reagents_strictly_match</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))))</span>
@@ -311,13 +311,13 @@ if ('onhashchange' in window) {
 <span id="L246" class="LineNr">246 </span><span class="Delimiter">}</span>
 <span id="L247" class="LineNr">247 </span>
 <span id="L248" class="LineNr">248 </span><span class="Normal">bool</span> <a href='054static_dispatch.cc.html#L248'>all_header_reagents_strictly_match</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L249" class="LineNr">249 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L249" class="LineNr">249 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L250" class="LineNr">250 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L251" class="LineNr">251 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;strict match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L252" class="LineNr">252 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L253" class="LineNr">253 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L254" class="LineNr">254 </span>  <span class="Delimiter">}</span>
-<span id="L255" class="LineNr">255 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L255" class="LineNr">255 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L257" class="LineNr">257 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L258" class="LineNr">258 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;strict match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -330,7 +330,7 @@ if ('onhashchange' in window) {
 <span id="L265" class="LineNr">265 </span><span class="Comment">// phase 2</span>
 <span id="L266" class="LineNr">266 </span>vector&lt;recipe_ordinal&gt; <a href='054static_dispatch.cc.html#L266'>strictly_matching_variants_except_literal_against_address_or_boolean</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L267" class="LineNr">267 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
-<span id="L268" class="LineNr">268 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L268" class="LineNr">268 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L269" class="LineNr">269 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L270" class="LineNr">270 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking variant (strict except literal-against-boolean) &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; header_label<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L271" class="LineNr">271 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L277'>all_header_reagents_strictly_match_except_literal_against_address_or_boolean</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))))</span>
@@ -340,13 +340,13 @@ if ('onhashchange' in window) {
 <span id="L275" class="LineNr">275 </span><span class="Delimiter">}</span>
 <span id="L276" class="LineNr">276 </span>
 <span id="L277" class="LineNr">277 </span><span class="Normal">bool</span> <a href='054static_dispatch.cc.html#L277'>all_header_reagents_strictly_match_except_literal_against_address_or_boolean</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L278" class="LineNr">278 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L278" class="LineNr">278 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L279" class="LineNr">279 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match_except_literal_against_address_or_boolean<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L280" class="LineNr">280 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L281" class="LineNr">281 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L282" class="LineNr">282 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L283" class="LineNr">283 </span>  <span class="Delimiter">}</span>
-<span id="L284" class="LineNr">284 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L284" class="LineNr">284 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L285" class="LineNr">285 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L286" class="LineNr">286 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match_except_literal_against_address_or_boolean<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L287" class="LineNr">287 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -369,7 +369,7 @@ if ('onhashchange' in window) {
 <span id="L304" class="LineNr">304 </span><span class="Comment">// phase 4</span>
 <span id="L305" class="LineNr">305 </span>vector&lt;recipe_ordinal&gt; <a href='054static_dispatch.cc.html#L305'>matching_variants</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L306" class="LineNr">306 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
-<span id="L307" class="LineNr">307 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L307" class="LineNr">307 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L308" class="LineNr">308 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L309" class="LineNr">309 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking variant &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; header_label<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L310" class="LineNr">310 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L316'>all_header_reagents_match</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))))</span>
@@ -379,13 +379,13 @@ if ('onhashchange' in window) {
 <span id="L314" class="LineNr">314 </span><span class="Delimiter">}</span>
 <span id="L315" class="LineNr">315 </span>
 <span id="L316" class="LineNr">316 </span><span class="Normal">bool</span> <a href='054static_dispatch.cc.html#L316'>all_header_reagents_match</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L317" class="LineNr">317 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L317" class="LineNr">317 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L318" class="LineNr">318 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L319" class="LineNr">319 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L320" class="LineNr">320 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L321" class="LineNr">321 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Delimiter">}</span>
-<span id="L323" class="LineNr">323 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L323" class="LineNr">323 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L324" class="LineNr">324 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L325" class="LineNr">325 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L326" class="LineNr">326 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -400,17 +400,17 @@ if ('onhashchange' in window) {
 <span id="L335" class="LineNr">335 </span>  assert<span class="Delimiter">(</span>!candidates<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L336" class="LineNr">336 </span>  <span class="Normal">int</span> min_score = <span class="Constant">999</span><span class="Delimiter">;</span>
 <span id="L337" class="LineNr">337 </span>  <span class="Normal">int</span> min_index = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L338" class="LineNr">338 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L338" class="LineNr">338 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L339" class="LineNr">339 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> recipe&amp; candidate = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L340" class="LineNr">340 </span>  <span class="Conceal">¦</span> <span class="Comment">// prefer functions without extra or missing ingredients or products</span>
-<span id="L341" class="LineNr">341 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score = abs<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
-<span id="L342" class="LineNr">342 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>     + abs<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
+<span id="L341" class="LineNr">341 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score = abs<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
+<span id="L342" class="LineNr">342 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>     + abs<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
 <span id="L343" class="LineNr">343 </span>  <span class="Conceal">¦</span> <span class="Comment">// prefer functions with non-address ingredients or products</span>
-<span id="L344" class="LineNr">344 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L344" class="LineNr">344 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L345" class="LineNr">345 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span>
 <span id="L346" class="LineNr">346 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++score<span class="Delimiter">;</span>
 <span id="L347" class="LineNr">347 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L348" class="LineNr">348 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L348" class="LineNr">348 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L349" class="LineNr">349 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span>
 <span id="L350" class="LineNr">350 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++score<span class="Delimiter">;</span>
 <span id="L351" class="LineNr">351 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -425,7 +425,7 @@ if ('onhashchange' in window) {
 <span id="L360" class="LineNr">360 </span>
 <span id="L361" class="LineNr">361 </span><span class="Normal">int</span> <a href='054static_dispatch.cc.html#L361'>non_ghost_size</a><span class="Delimiter">(</span>vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L362" class="LineNr">362 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L363" class="LineNr">363 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L363" class="LineNr">363 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L364" class="LineNr">364 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> != -<span class="Constant">1</span><span class="Delimiter">)</span> ++result<span class="Delimiter">;</span>
 <span id="L365" class="LineNr">365 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L366" class="LineNr">366 </span><span class="Delimiter">}</span>
@@ -433,7 +433,7 @@ if ('onhashchange' in window) {
 <span id="L368" class="LineNr">368 </span><span class="Normal">bool</span> <a href='054static_dispatch.cc.html#L368'>next_stash</a><span class="Delimiter">(</span><span class="Normal">const</span> call&amp; c<span class="Delimiter">,</span> instruction* stash_inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L369" class="LineNr">369 </span>  <span class="Normal">const</span> recipe&amp; specializer_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> c<span class="Delimiter">.</span>running_recipe<span class="Delimiter">);</span>
 <span id="L370" class="LineNr">370 </span>  <span class="Normal">int</span> index = c<span class="Delimiter">.</span>running_step_index<span class="Delimiter">;</span>
-<span id="L371" class="LineNr">371 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>++index<span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>specializer_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L371" class="LineNr">371 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>++index<span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>specializer_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L372" class="LineNr">372 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = specializer_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L373" class="LineNr">373 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;stash&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L374" class="LineNr">374 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> *stash_inst = inst<span class="Delimiter">;</span>
@@ -639,10 +639,10 @@ if ('onhashchange' in window) {
 <span id="L574" class="LineNr">574 </span>string header_label<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L575" class="LineNr">575 </span>  ostringstream out<span class="Delimiter">;</span>
 <span id="L576" class="LineNr">576 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L577" class="LineNr">577 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L577" class="LineNr">577 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L578" class="LineNr">578 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L579" class="LineNr">579 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; -&gt;&quot;</span><span class="Delimiter">;</span>
-<span id="L580" class="LineNr">580 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L580" class="LineNr">580 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L581" class="LineNr">581 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L582" class="LineNr">582 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span id="L583" class="LineNr">583 </span><span class="Delimiter">}</span>
@@ -650,10 +650,10 @@ if ('onhashchange' in window) {
 <span id="L585" class="LineNr">585 </span>string <a href='054static_dispatch.cc.html#L585'>original_header_label</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L586" class="LineNr">586 </span>  ostringstream out<span class="Delimiter">;</span>
 <span id="L587" class="LineNr">587 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>original_name<span class="Delimiter">;</span>
-<span id="L588" class="LineNr">588 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L588" class="LineNr">588 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L589" class="LineNr">589 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">' '</span> &lt;&lt; caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
 <span id="L590" class="LineNr">590 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; -&gt;&quot;</span><span class="Delimiter">;</span>
-<span id="L591" class="LineNr">591 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L591" class="LineNr">591 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L592" class="LineNr">592 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="Constant">' '</span> &lt;&lt; caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
 <span id="L593" class="LineNr">593 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span id="L594" class="LineNr">594 </span><span class="Delimiter">}</span>
diff --git a/html/055shape_shifting_container.cc.html b/html/055shape_shifting_container.cc.html
index f394ba8b..cbef525e 100644
--- a/html/055shape_shifting_container.cc.html
+++ b/html/055shape_shifting_container.cc.html
@@ -239,15 +239,15 @@ if ('onhashchange' in window) {
 <span id="L173" class="LineNr">173 </span>  <span class="Delimiter">}</span>
 <span id="L174" class="LineNr">174 </span>  <span class="Comment">// we haven't seen this container before</span>
 <span id="L175" class="LineNr">175 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span>
-<span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L177" class="LineNr">177 </span>  type_info&amp; info = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">));</span>
+<span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L177" class="LineNr">177 </span>  type_info&amp; info = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">));</span>
 <span id="L178" class="LineNr">178 </span>  info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>type_ingredient_names<span class="Delimiter">);</span>
 <span id="L179" class="LineNr">179 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L180" class="LineNr">180 </span><span class="Delimiter">}</span>
 <span id="L181" class="LineNr">181 </span>
 <span id="L182" class="LineNr">182 </span><span class="Normal">bool</span> slurp_type_ingredients<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> type_ordinal&gt;&amp; out<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; container_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L183" class="LineNr">183 </span>  <span class="Normal">int</span> next_type_ordinal = START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
-<span id="L184" class="LineNr">184 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L184" class="LineNr">184 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> string curr = slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L187" class="LineNr">187 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; container_name &lt;&lt; <span class="Constant">&quot;: empty type ingredients not permitted</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -261,13 +261,13 @@ if ('onhashchange' in window) {
 <span id="L195" class="LineNr">195 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; container_name &lt;&lt; <span class="Constant">&quot;: can't repeat type ingredient name'&quot;</span> &lt;&lt; curr &lt;&lt; <span class="Constant">&quot;' in a single container definition</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L196" class="LineNr">196 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L197" class="LineNr">197 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> next_type_ordinal++<span class="Delimiter">);</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Delimiter">}</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L201" class="LineNr">201 </span><span class="Delimiter">}</span>
 <span id="L202" class="LineNr">202 </span>
 <span id="L203" class="LineNr">203 </span><span class="Normal">bool</span> type_ingredients_match<span class="Delimiter">(</span><span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> type_ordinal&gt;&amp; a<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> type_ordinal&gt;&amp; b<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L204" class="LineNr">204 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>a<span class="Delimiter">)</span> != <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>b<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>a<span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>b<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L205" class="LineNr">205 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> type_ordinal&gt;::const_iterator p = a<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != a<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L206" class="LineNr">206 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>b<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L207" class="LineNr">207 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second != get<span class="Delimiter">(</span>b<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
@@ -282,12 +282,12 @@ if ('onhashchange' in window) {
 <span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span>
 <span id="L217" class="LineNr">217 </span><span class="Delimiter">:(code)</span>
 <span id="L218" class="LineNr">218 </span><span class="Normal">bool</span> is_type_ingredient_name<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L219" class="LineNr">219 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;_&quot;</span><span class="Delimiter">);</span>
+<span id="L219" class="LineNr">219 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;_&quot;</span><span class="Delimiter">);</span>
 <span id="L220" class="LineNr">220 </span><span class="Delimiter">}</span>
 <span id="L221" class="LineNr">221 </span>
 <span id="L222" class="LineNr">222 </span><span class="Delimiter">:(before &quot;End Container Type Checks&quot;)</span>
 <span id="L223" class="LineNr">223 </span><span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value &gt;= START_TYPE_INGREDIENTS
-<span id="L224" class="LineNr">224 </span>  <span class="Conceal">¦</span> &amp;&amp; <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value - START_TYPE_INGREDIENTS<span class="Delimiter">)</span> &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>type_ingredient_names<span class="Delimiter">))</span>
+<span id="L224" class="LineNr">224 </span>  <span class="Conceal">¦</span> &amp;&amp; <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value - START_TYPE_INGREDIENTS<span class="Delimiter">)</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>type_ingredient_names<span class="Delimiter">))</span>
 <span id="L225" class="LineNr">225 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L226" class="LineNr">226 </span>
 <span id="L227" class="LineNr">227 </span><span class="Delimiter">:(scenario size_of_shape_shifting_exclusive_container)</span>
@@ -702,10 +702,10 @@ if ('onhashchange' in window) {
 <span id="L636" class="LineNr">636 </span>  reagent r<span class="Delimiter">(</span><span class="Constant">&quot;x:foo:&amp;:num&quot;</span><span class="Delimiter">);</span>
 <span id="L637" class="LineNr">637 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L638" class="LineNr">638 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L639" class="LineNr">639 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L639" class="LineNr">639 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L640" class="LineNr">640 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">()));</span>
 <span id="L641" class="LineNr">641 </span>  set&lt;address_element_info&gt;&amp; offset_info = get<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L642" class="LineNr">642 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L642" class="LineNr">642 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L643" class="LineNr">643 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">//</span>
 <span id="L644" class="LineNr">644 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L645" class="LineNr">645 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
@@ -724,10 +724,10 @@ if ('onhashchange' in window) {
 <span id="L658" class="LineNr">658 </span>  <a href='003trace.cc.html#L158'>CLEAR_TRACE</a><span class="Delimiter">;</span>
 <span id="L659" class="LineNr">659 </span>  compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L660" class="LineNr">660 </span>  compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L661" class="LineNr">661 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L661" class="LineNr">661 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L662" class="LineNr">662 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">()));</span>
 <span id="L663" class="LineNr">663 </span>  set&lt;address_element_info&gt;&amp; offset_info = get<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">,</span> set&lt;tag_condition_info&gt;<span class="Delimiter">());</span>
-<span id="L664" class="LineNr">664 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">),</span> <span class="Constant">2</span><span class="Delimiter">);</span>
+<span id="L664" class="LineNr">664 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">),</span> <span class="Constant">2</span><span class="Delimiter">);</span>
 <span id="L665" class="LineNr">665 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">//</span>
 <span id="L666" class="LineNr">666 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L667" class="LineNr">667 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
diff --git a/html/056shape_shifting_recipe.cc.html b/html/056shape_shifting_recipe.cc.html
index 7d698d0e..fb10e4be 100644
--- a/html/056shape_shifting_recipe.cc.html
+++ b/html/056shape_shifting_recipe.cc.html
@@ -125,14 +125,14 @@ if ('onhashchange' in window) {
 <span id="L58" class="LineNr">  58 </span>  <span class="Comment">// perform all transforms on the new specialization</span>
 <span id="L59" class="LineNr">  59 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L60" class="LineNr">  60 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;transforming new specialization: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L61" class="LineNr">  61 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L61" class="LineNr">  61 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L62" class="LineNr">  62 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// one exception: skip tangle, which would have already occurred inside new_variant above</span>
 <span id="L63" class="LineNr">  63 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">)</span> == <span class="Comment">/*</span><span class="Comment">disambiguate overloading</span><span class="Comment">*/</span><span class="Normal">static_cast</span>&lt;transform_fn&gt;<span class="Delimiter">(</span>insert_fragments<span class="Delimiter">))</span>
 <span id="L64" class="LineNr">  64 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L65" class="LineNr">  65 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
 <span id="L66" class="LineNr">  66 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L67" class="LineNr">  67 </span>  <span class="Delimiter">}</span>
-<span id="L68" class="LineNr">  68 </span>  variant<span class="Delimiter">.</span>transformed_until = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L68" class="LineNr">  68 </span>  variant<span class="Delimiter">.</span>transformed_until = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L69" class="LineNr">  69 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new specialization: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L70" class="LineNr">  70 </span>  <span class="Identifier">return</span> variant<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
 <span id="L71" class="LineNr">  71 </span><span class="Delimiter">}</span>
@@ -156,7 +156,7 @@ if ('onhashchange' in window) {
 <span id="L89" class="LineNr">  89 </span><span class="Comment">// phase 3 of static dispatch</span>
 <span id="L90" class="LineNr">  90 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L90'>strictly_matching_shape_shifting_variants</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L91" class="LineNr">  91 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
-<span id="L92" class="LineNr">  92 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L92" class="LineNr">  92 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L93" class="LineNr">  93 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L94" class="LineNr">  94 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!any_type_ingredient_in_header<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L95" class="LineNr">  95 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!all_concrete_header_reagents_strictly_match<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -166,13 +166,13 @@ if ('onhashchange' in window) {
 <span id="L99" class="LineNr">  99 </span><span class="Delimiter">}</span>
 <span id="L100" class="LineNr"> 100 </span>
 <span id="L101" class="LineNr"> 101 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L101'>all_concrete_header_reagents_strictly_match</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L102" class="LineNr"> 102 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L102" class="LineNr"> 102 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L103" class="LineNr"> 103 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L104" class="LineNr"> 104 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;concrete-type match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L105" class="LineNr"> 105 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L106" class="LineNr"> 106 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L107" class="LineNr"> 107 </span>  <span class="Delimiter">}</span>
-<span id="L108" class="LineNr"> 108 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L108" class="LineNr"> 108 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L109" class="LineNr"> 109 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L110" class="LineNr"> 110 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L111" class="LineNr"> 111 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;concrete-type match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -187,7 +187,7 @@ if ('onhashchange' in window) {
 <span id="L120" class="LineNr"> 120 </span>  assert<span class="Delimiter">(</span>!candidates<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L121" class="LineNr"> 121 </span>  <span class="Comment">// primary score</span>
 <span id="L122" class="LineNr"> 122 </span>  <span class="Normal">int</span> max_score = -<span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L123" class="LineNr"> 123 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L123" class="LineNr"> 123 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L124" class="LineNr"> 124 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score = number_of_concrete_type_names<span class="Delimiter">(</span>candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L125" class="LineNr"> 125 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>score &gt; -<span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L126" class="LineNr"> 126 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score &gt; max_score<span class="Delimiter">)</span> max_score = score<span class="Delimiter">;</span>
@@ -195,13 +195,13 @@ if ('onhashchange' in window) {
 <span id="L128" class="LineNr"> 128 </span>  <span class="Comment">// break any ties at max_score by a secondary score</span>
 <span id="L129" class="LineNr"> 129 </span>  <span class="Normal">int</span> min_score2 = <span class="Constant">999</span><span class="Delimiter">;</span>
 <span id="L130" class="LineNr"> 130 </span>  <span class="Normal">int</span> best_index = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L131" class="LineNr"> 131 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L131" class="LineNr"> 131 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L132" class="LineNr"> 132 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score1 = number_of_concrete_type_names<span class="Delimiter">(</span>candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L133" class="LineNr"> 133 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>score1 &lt;= max_score<span class="Delimiter">);</span>
 <span id="L134" class="LineNr"> 134 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score1 != max_score<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L135" class="LineNr"> 135 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> recipe&amp; candidate = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L136" class="LineNr"> 136 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score2 = <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
-<span id="L137" class="LineNr"> 137 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>      + <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
+<span id="L136" class="LineNr"> 136 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score2 = <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
+<span id="L137" class="LineNr"> 137 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>      + <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
 <span id="L138" class="LineNr"> 138 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>score2 &lt; <span class="Constant">999</span><span class="Delimiter">);</span>
 <span id="L139" class="LineNr"> 139 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score2 &lt; min_score2<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L140" class="LineNr"> 140 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> min_score2 = score2<span class="Delimiter">;</span>
@@ -213,11 +213,11 @@ if ('onhashchange' in window) {
 <span id="L146" class="LineNr"> 146 </span>
 <span id="L147" class="LineNr"> 147 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L147'>any_type_ingredient_in_header</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L148" class="LineNr"> 148 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
-<span id="L149" class="LineNr"> 149 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L149" class="LineNr"> 149 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L150" class="LineNr"> 150 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L151" class="LineNr"> 151 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L152" class="LineNr"> 152 </span>  <span class="Delimiter">}</span>
-<span id="L153" class="LineNr"> 153 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L153" class="LineNr"> 153 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L154" class="LineNr"> 154 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L155" class="LineNr"> 155 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L156" class="LineNr"> 156 </span>  <span class="Delimiter">}</span>
@@ -262,9 +262,9 @@ if ('onhashchange' in window) {
 <span id="L195" class="LineNr"> 195 </span><span class="Normal">int</span> number_of_concrete_type_names<span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L196" class="LineNr"> 196 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L197" class="LineNr"> 197 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L198" class="LineNr"> 198 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L198" class="LineNr"> 198 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L199" class="LineNr"> 199 </span>  <span class="Conceal">¦</span> result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L200" class="LineNr"> 200 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L200" class="LineNr"> 200 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L201" class="LineNr"> 201 </span>  <span class="Conceal">¦</span> result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L202" class="LineNr"> 202 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L203" class="LineNr"> 203 </span><span class="Delimiter">}</span>
@@ -284,7 +284,7 @@ if ('onhashchange' in window) {
 <span id="L217" class="LineNr"> 217 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='056shape_shifting_recipe.cc.html#L217'>new_variant</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L218" class="LineNr"> 218 </span>  string new_name = <a href='054static_dispatch.cc.html#L111'>next_unused_recipe_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
 <span id="L219" class="LineNr"> 219 </span>  assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">));</span>
-<span id="L220" class="LineNr"> 220 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> new_recipe_ordinal = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
+<span id="L220" class="LineNr"> 220 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> new_recipe_ordinal = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
 <span id="L221" class="LineNr"> 221 </span>  <span class="Comment">// make a copy</span>
 <span id="L222" class="LineNr"> 222 </span>  assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
 <span id="L223" class="LineNr"> 223 </span>  assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">));</span>
@@ -308,30 +308,30 @@ if ('onhashchange' in window) {
 <span id="L241" class="LineNr"> 241 </span>  <span class="Conceal">¦</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt; mappings<span class="Delimiter">;</span>
 <span id="L242" class="LineNr"> 242 </span>  <span class="Conceal">¦</span> <span class="Normal">bool</span> error = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L243" class="LineNr"> 243 </span>  <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L289'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">),</span> inst<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> &amp;error<span class="Delimiter">);</span>
-<span id="L244" class="LineNr"> 244 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> error = <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>mappings<span class="Delimiter">)</span> != <a href='056shape_shifting_recipe.cc.html#L427'>type_ingredient_count_in_header</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">));</span>
+<span id="L244" class="LineNr"> 244 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> error = <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>mappings<span class="Delimiter">)</span> != <a href='056shape_shifting_recipe.cc.html#L427'>type_ingredient_count_in_header</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">));</span>
 <span id="L245" class="LineNr"> 245 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
 <span id="L246" class="LineNr"> 246 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;::iterator p = mappings<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != mappings<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
 <span id="L247" class="LineNr"> 247 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
 <span id="L248" class="LineNr"> 248 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>error<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L249" class="LineNr"> 249 </span>  <span class="Delimiter">}</span>
 <span id="L250" class="LineNr"> 250 </span>  ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
-<span id="L251" class="LineNr"> 251 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
+<span id="L251" class="LineNr"> 251 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
 <span id="L252" class="LineNr"> 252 </span>  <span class="Identifier">return</span> new_recipe_ordinal<span class="Delimiter">;</span>
 <span id="L253" class="LineNr"> 253 </span><span class="Delimiter">}</span>
 <span id="L254" class="LineNr"> 254 </span>
 <span id="L255" class="LineNr"> 255 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L255'>compute_type_names</a><span class="Delimiter">(</span>recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L256" class="LineNr"> 256 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;-- compute type names: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L257" class="LineNr"> 257 </span>  map&lt;string<span class="Delimiter">,</span> type_tree*&gt; type_names<span class="Delimiter">;</span>
-<span id="L258" class="LineNr"> 258 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L258" class="LineNr"> 258 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L259" class="LineNr"> 259 </span>  <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L272'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L260" class="LineNr"> 260 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L260" class="LineNr"> 260 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L261" class="LineNr"> 261 </span>  <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L272'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L262" class="LineNr"> 262 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L262" class="LineNr"> 262 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L263" class="LineNr"> 263 </span>  <span class="Conceal">¦</span> instruction&amp; inst = variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L264" class="LineNr"> 264 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;  <a href='010vm.cc.html#L32'>instruction</a>: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L265" class="LineNr"> 265 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
+<span id="L265" class="LineNr"> 265 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
 <span id="L266" class="LineNr"> 266 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L272'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
-<span id="L267" class="LineNr"> 267 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
+<span id="L267" class="LineNr"> 267 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
 <span id="L268" class="LineNr"> 268 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L272'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
 <span id="L269" class="LineNr"> 269 </span>  <span class="Delimiter">}</span>
 <span id="L270" class="LineNr"> 270 </span><span class="Delimiter">}</span>
@@ -349,12 +349,12 @@ if ('onhashchange' in window) {
 <span id="L282" class="LineNr"> 282 </span>  <span class="Delimiter">}</span>
 <span id="L283" class="LineNr"> 283 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L284" class="LineNr"> 284 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;offset&quot;</span> || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;variant&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// special-case for container-access instructions</span>
-<span id="L285" class="LineNr"> 285 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L285" class="LineNr"> 285 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
 <span id="L286" class="LineNr"> 286 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;type of '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' is &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L287" class="LineNr"> 287 </span><span class="Delimiter">}</span>
 <span id="L288" class="LineNr"> 288 </span>
 <span id="L289" class="LineNr"> 289 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L289'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L290" class="LineNr"> 290 </span>  <span class="Normal">int</span> limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
+<span id="L290" class="LineNr"> 290 </span>  <span class="Normal">int</span> limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
 <span id="L291" class="LineNr"> 291 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L292" class="LineNr"> 292 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L293" class="LineNr"> 293 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
@@ -362,7 +362,7 @@ if ('onhashchange' in window) {
 <span id="L295" class="LineNr"> 295 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">)</span> &amp;&amp; ingredient<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// assume it matches</span>
 <span id="L296" class="LineNr"> 296 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> ingredient<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
 <span id="L297" class="LineNr"> 297 </span>  <span class="Delimiter">}</span>
-<span id="L298" class="LineNr"> 298 </span>  limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>products<span class="Delimiter">));</span>
+<span id="L298" class="LineNr"> 298 </span>  limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>products<span class="Delimiter">));</span>
 <span id="L299" class="LineNr"> 299 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L300" class="LineNr"> 300 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L301" class="LineNr"> 301 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
@@ -401,7 +401,7 @@ if ('onhashchange' in window) {
 <span id="L334" class="LineNr"> 334 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L335" class="LineNr"> 335 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L336" class="LineNr"> 336 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;adding mapping from &quot;</span> &lt;&lt; exemplar_type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>curr_refinement_type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L337" class="LineNr"> 337 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
+<span id="L337" class="LineNr"> 337 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
 <span id="L338" class="LineNr"> 338 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L339" class="LineNr"> 339 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L340" class="LineNr"> 340 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!deeply_equal_type_names<span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">),</span> curr_refinement_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
@@ -412,7 +412,7 @@ if ('onhashchange' in window) {
 <span id="L345" class="LineNr"> 345 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L346" class="LineNr"> 346 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L347" class="LineNr"> 347 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
-<span id="L348" class="LineNr"> 348 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
+<span id="L348" class="LineNr"> 348 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
 <span id="L349" class="LineNr"> 349 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L350" class="LineNr"> 350 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L351" class="LineNr"> 351 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
@@ -428,18 +428,18 @@ if ('onhashchange' in window) {
 <span id="L361" class="LineNr"> 361 </span>  <span class="Comment">// update its header</span>
 <span id="L362" class="LineNr"> 362 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>mappings<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L363" class="LineNr"> 363 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L19'>recipe</a> header ingredients&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L364" class="LineNr"> 364 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L364" class="LineNr"> 364 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L365" class="LineNr"> 365 </span>  <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
 <span id="L366" class="LineNr"> 366 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L19'>recipe</a> header products&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L367" class="LineNr"> 367 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L367" class="LineNr"> 367 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L368" class="LineNr"> 368 </span>  <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
 <span id="L369" class="LineNr"> 369 </span>  <span class="Comment">// update its body</span>
-<span id="L370" class="LineNr"> 370 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L370" class="LineNr"> 370 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L371" class="LineNr"> 371 </span>  <span class="Conceal">¦</span> instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L372" class="LineNr"> 372 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L32'>instruction</a> '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L373" class="LineNr"> 373 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L373" class="LineNr"> 373 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
 <span id="L374" class="LineNr"> 374 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
-<span id="L375" class="LineNr"> 375 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L375" class="LineNr"> 375 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
 <span id="L376" class="LineNr"> 376 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
 <span id="L377" class="LineNr"> 377 </span>  <span class="Conceal">¦</span> <span class="Comment">// special-case for new: replace type ingredient in first ingredient *value*</span>
 <span id="L378" class="LineNr"> 378 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span> &amp;&amp; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -494,11 +494,11 @@ if ('onhashchange' in window) {
 <span id="L427" class="LineNr"> 427 </span><span class="Normal">int</span> <a href='056shape_shifting_recipe.cc.html#L427'>type_ingredient_count_in_header</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L428" class="LineNr"> 428 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
 <span id="L429" class="LineNr"> 429 </span>  set&lt;string&gt; type_ingredients<span class="Delimiter">;</span>
-<span id="L430" class="LineNr"> 430 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L430" class="LineNr"> 430 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L431" class="LineNr"> 431 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
-<span id="L432" class="LineNr"> 432 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L432" class="LineNr"> 432 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L433" class="LineNr"> 433 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
-<span id="L434" class="LineNr"> 434 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>type_ingredients<span class="Delimiter">);</span>
+<span id="L434" class="LineNr"> 434 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>type_ingredients<span class="Delimiter">);</span>
 <span id="L435" class="LineNr"> 435 </span><span class="Delimiter">}</span>
 <span id="L436" class="LineNr"> 436 </span>
 <span id="L437" class="LineNr"> 437 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">,</span> set&lt;string&gt;&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -539,15 +539,15 @@ if ('onhashchange' in window) {
 <span id="L472" class="LineNr"> 472 </span>
 <span id="L473" class="LineNr"> 473 </span><span class="Normal">void</span> ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> recipe&amp; new_recipe<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L474" class="LineNr"> 474 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;-- ensure all concrete types in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L475" class="LineNr"> 475 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L475" class="LineNr"> 475 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L476" class="LineNr"> 476 </span>  <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
-<span id="L477" class="LineNr"> 477 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L477" class="LineNr"> 477 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L478" class="LineNr"> 478 </span>  <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
-<span id="L479" class="LineNr"> 479 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L479" class="LineNr"> 479 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L480" class="LineNr"> 480 </span>  <span class="Conceal">¦</span> instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L481" class="LineNr"> 481 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L481" class="LineNr"> 481 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
 <span id="L482" class="LineNr"> 482 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
-<span id="L483" class="LineNr"> 483 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L483" class="LineNr"> 483 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
 <span id="L484" class="LineNr"> 484 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
 <span id="L485" class="LineNr"> 485 </span>  <span class="Delimiter">}</span>
 <span id="L486" class="LineNr"> 486 </span><span class="Delimiter">}</span>
@@ -726,7 +726,7 @@ if ('onhashchange' in window) {
 <span id="L659" class="LineNr"> 659 </span><span class="Delimiter">:(scenario shape_shifting_recipe_supports_compound_types)</span>
 <span id="L660" class="LineNr"> 660 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L661" class="LineNr"> 661 </span>  <span class="Constant">1</span>:&amp;:point<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">point:type</span>
-<span id="L662" class="LineNr"> 662 </span>  *<span class="Constant">1</span>:&amp;:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *<span class="Constant">1</span>:&amp;:point<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L662" class="LineNr"> 662 </span>  *<span class="Constant">1</span>:&amp;:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">1</span>:&amp;:point<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
 <span id="L663" class="LineNr"> 663 </span>  <span class="Constant">3</span>:&amp;:point<span class="Special"> &lt;- </span>bar <span class="Constant">1</span>:&amp;:point  <span class="Comment"># specialize _t to address:point</span>
 <span id="L664" class="LineNr"> 664 </span>  <span class="Constant">4</span>:point<span class="Special"> &lt;- </span>copy *<span class="Constant">3</span>:&amp;:point
 <span id="L665" class="LineNr"> 665 </span>]
diff --git a/html/057immutable.cc.html b/html/057immutable.cc.html
index 215d3398..e1109712 100644
--- a/html/057immutable.cc.html
+++ b/html/057immutable.cc.html
@@ -78,7 +78,7 @@ if ('onhashchange' in window) {
 <span id="L14" class="LineNr"> 14 </span><span class="muRecipe">def</span> foo p:point<span class="muRecipe"> -&gt; </span>p:point [
 <span id="L15" class="LineNr"> 15 </span>  local-scope
 <span id="L16" class="LineNr"> 16 </span>  load-ingredients
-<span id="L17" class="LineNr"> 17 </span>  p<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> p<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L17" class="LineNr"> 17 </span>  p<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> p<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
 <span id="L18" class="LineNr"> 18 </span>]
 <span id="L19" class="LineNr"> 19 </span>$error: <span class="Constant">0</span>
 <span id="L20" class="LineNr"> 20 </span>
@@ -92,7 +92,7 @@ if ('onhashchange' in window) {
 <span id="L28" class="LineNr"> 28 </span><span class="muRecipe">def</span> foo p:&amp;:point<span class="muRecipe"> -&gt; </span>p:&amp;:point [
 <span id="L29" class="LineNr"> 29 </span>  local-scope
 <span id="L30" class="LineNr"> 30 </span>  load-ingredients
-<span id="L31" class="LineNr"> 31 </span>  *p<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *p<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L31" class="LineNr"> 31 </span>  *p<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *p<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
 <span id="L32" class="LineNr"> 32 </span>]
 <span id="L33" class="LineNr"> 33 </span>$error: <span class="Constant">0</span>
 <span id="L34" class="LineNr"> 34 </span>
@@ -120,7 +120,7 @@ if ('onhashchange' in window) {
 <span id="L56" class="LineNr"> 56 </span>  local-scope
 <span id="L57" class="LineNr"> 57 </span>  load-ingredients
 <span id="L58" class="LineNr"> 58 </span>  <span class="Normal">x</span>:&amp;:d1<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">d1:type</span>
-<span id="L59" class="LineNr"> 59 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">p:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>  <span class="Comment"># ignore this 'p'</span>
+<span id="L59" class="LineNr"> 59 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">p:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>  <span class="Comment"># ignore this 'p'</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Identifier">return</span> <span class="Constant">36</span>
 <span id="L61" class="LineNr"> 61 </span>]
 <span id="L62" class="LineNr"> 62 </span><span class="muData">container</span> d1 [
@@ -160,7 +160,7 @@ if ('onhashchange' in window) {
 <span id="L96" class="LineNr"> 96 </span>  <span class="Comment"># modify the element: boom</span>
 <span id="L97" class="LineNr"> 97 </span>  <span class="Comment"># This could be ok if y contains no addresses, but we're not going to try to be that smart.</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Comment"># It also makes the rules easier to reason about. If it's just an ingredient, just don't try to change it.</span>
-<span id="L99" class="LineNr"> 99 </span>  y<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> y<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">37</span>
+<span id="L99" class="LineNr"> 99 </span>  y<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> y<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">37</span>
 <span id="L100" class="LineNr">100 </span>]
 <span id="L101" class="LineNr">101 </span><span class="traceContains">+error: foo: cannot modify 'y' in <a href='010vm.cc.html#L32'>instruction</a> 'y &lt;- put y, x:offset, 37' because that would modify 'x' which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> foo but not also a product</span>
 <span id="L102" class="LineNr">102 </span>
@@ -227,7 +227,7 @@ if ('onhashchange' in window) {
 <span id="L163" class="LineNr">163 </span>  local-scope
 <span id="L164" class="LineNr">164 </span>  load-ingredients
 <span id="L165" class="LineNr">165 </span>  <span class="Normal">q</span>:&amp;:point<span class="Special"> &lt;- </span>copy p
-<span id="L166" class="LineNr">166 </span>  *q<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *q<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L166" class="LineNr">166 </span>  *q<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *q<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
 <span id="L167" class="LineNr">167 </span>]
 <span id="L168" class="LineNr">168 </span><span class="traceContains">+error: foo: cannot modify 'q' in <a href='010vm.cc.html#L32'>instruction</a> '*q &lt;- put *q, x:offset, 34' because that would modify p which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> foo but not also a product</span>
 <span id="L169" class="LineNr">169 </span>
@@ -241,7 +241,7 @@ if ('onhashchange' in window) {
 <span id="L177" class="LineNr">177 </span>  local-scope
 <span id="L178" class="LineNr">178 </span>  load-ingredients
 <span id="L179" class="LineNr">179 </span>  <span class="Normal">q</span>:&amp;:point<span class="Special"> &lt;- </span>copy p
-<span id="L180" class="LineNr">180 </span>  *q<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *q<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L180" class="LineNr">180 </span>  *q<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *q<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
 <span id="L181" class="LineNr">181 </span>]
 <span id="L182" class="LineNr">182 </span>$error: <span class="Constant">0</span>
 <span id="L183" class="LineNr">183 </span>
@@ -410,16 +410,16 @@ if ('onhashchange' in window) {
 <span id="L346" class="LineNr">346 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L347" class="LineNr">347 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- check mutability of ingredients in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L348" class="LineNr">348 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// skip check for old-style recipes calling next-ingredient directly</span>
-<span id="L349" class="LineNr">349 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L349" class="LineNr">349 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L350" class="LineNr">350 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; current_ingredient = caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L351" class="LineNr">351 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='057immutable.cc.html#L496'>is_present_in_products</a><span class="Delimiter">(</span>caller<span class="Delimiter">,</span> current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// not expected to be immutable</span>
 <span id="L352" class="LineNr">352 </span>  <span class="Conceal">¦</span> <span class="Comment">// End Immutable Ingredients Special-cases</span>
 <span id="L353" class="LineNr">353 </span>  <span class="Conceal">¦</span> set&lt;reagent&gt; immutable_vars<span class="Delimiter">;</span>
 <span id="L354" class="LineNr">354 </span>  <span class="Conceal">¦</span> immutable_vars<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">);</span>
-<span id="L355" class="LineNr">355 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L355" class="LineNr">355 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L356" class="LineNr">356 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L357" class="LineNr">357 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='057immutable.cc.html#L438'>check_immutable_ingredient_in_instruction</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> immutable_vars<span class="Delimiter">,</span> current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">,</span> caller<span class="Delimiter">);</span>
-<span id="L358" class="LineNr">358 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation == INDEX &amp;&amp; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name == current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L358" class="LineNr">358 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation == INDEX &amp;&amp; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name == current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L359" class="LineNr">359 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='057immutable.cc.html#L364'>update_aliases</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> immutable_vars<span class="Delimiter">);</span>
 <span id="L360" class="LineNr">360 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L361" class="LineNr">361 </span>  <span class="Delimiter">}</span>
@@ -450,7 +450,7 @@ if ('onhashchange' in window) {
 <span id="L386" class="LineNr">386 </span>  <span class="Conceal">¦</span> <span class="Comment">// defined recipe</span>
 <span id="L387" class="LineNr">387 </span>  <span class="Conceal">¦</span> set&lt;<span class="Normal">int</span>&gt; contained_in_product_indices = <a href='057immutable.cc.html#L395'>scan_contained_in_product_indices</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> current_ingredient_indices<span class="Delimiter">);</span>
 <span id="L388" class="LineNr">388 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>set&lt;<span class="Normal">int</span>&gt;::iterator p = contained_in_product_indices<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != contained_in_product_indices<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L389" class="LineNr">389 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*p &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
+<span id="L389" class="LineNr">389 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*p &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
 <span id="L390" class="LineNr">390 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> current_ingredient_and_aliases<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>*p<span class="Delimiter">));</span>
 <span id="L391" class="LineNr">391 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L392" class="LineNr">392 </span>  <span class="Delimiter">}</span>
@@ -460,11 +460,11 @@ if ('onhashchange' in window) {
 <span id="L396" class="LineNr">396 </span>  set&lt;reagent&gt; selected_ingredients<span class="Delimiter">;</span>
 <span id="L397" class="LineNr">397 </span>  <span class="Normal">const</span> recipe&amp; callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">);</span>
 <span id="L398" class="LineNr">398 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>set&lt;<span class="Normal">int</span>&gt;::iterator p = <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L399" class="LineNr">399 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*p &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// optional immutable ingredient</span>
+<span id="L399" class="LineNr">399 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*p &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// optional immutable ingredient</span>
 <span id="L400" class="LineNr">400 </span>  <span class="Conceal">¦</span> selected_ingredients<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>*p<span class="Delimiter">));</span>
 <span id="L401" class="LineNr">401 </span>  <span class="Delimiter">}</span>
 <span id="L402" class="LineNr">402 </span>  set&lt;<span class="Normal">int</span>&gt; result<span class="Delimiter">;</span>
-<span id="L403" class="LineNr">403 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L403" class="LineNr">403 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L404" class="LineNr">404 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; current_product = callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L405" class="LineNr">405 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> string_tree* contained_in_name = property<span class="Delimiter">(</span>current_product<span class="Delimiter">,</span> <span class="Constant">&quot;contained-in&quot;</span><span class="Delimiter">);</span>
 <span id="L406" class="LineNr">406 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contained_in_name &amp;&amp; selected_ingredients<span class="Delimiter">.</span>find<span class="Delimiter">(</span>contained_in_name<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> != selected_ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">())</span>
@@ -489,7 +489,7 @@ if ('onhashchange' in window) {
 <span id="L425" class="LineNr">425 </span>  local-scope
 <span id="L426" class="LineNr">426 </span>  load-ingredients
 <span id="L427" class="LineNr">427 </span>  <span class="Normal">p2</span>:&amp;:test-list<span class="Special"> &lt;- </span>test-next p  <span class="Comment"># p2 is immutable</span>
-<span id="L428" class="LineNr">428 </span>  *p2<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *p2<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L428" class="LineNr">428 </span>  *p2<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *p2<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
 <span id="L429" class="LineNr">429 </span>]
 <span id="L430" class="LineNr">430 </span><span class="muRecipe">def</span> test-next x:&amp;:test-list<span class="muRecipe"> -&gt; </span>y:&amp;:test-list/contained-in:x [
 <span id="L431" class="LineNr">431 </span>  local-scope
@@ -501,7 +501,7 @@ if ('onhashchange' in window) {
 <span id="L437" class="LineNr">437 </span><span class="Delimiter">:(code)</span>
 <span id="L438" class="LineNr">438 </span><span class="Normal">void</span> <a href='057immutable.cc.html#L438'>check_immutable_ingredient_in_instruction</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> set&lt;reagent&gt;&amp; current_ingredient_and_aliases<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; original_ingredient_name<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L439" class="LineNr">439 </span>  <span class="Comment">// first check if the instruction is directly modifying something it shouldn't</span>
-<span id="L440" class="LineNr">440 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L440" class="LineNr">440 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L441" class="LineNr">441 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">)</span>
 <span id="L442" class="LineNr">442 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> &amp;&amp; current_ingredient_and_aliases<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != current_ingredient_and_aliases<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span>
 <span id="L443" class="LineNr">443 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> string current_product_name = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">;</span>
@@ -553,12 +553,12 @@ if ('onhashchange' in window) {
 <span id="L489" class="LineNr">489 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;can't check mutability of ingredients in recipe &quot;</span> &lt;&lt; callee<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; because it uses 'next-ingredient' directly, rather than a recipe header.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L490" class="LineNr">490 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L491" class="LineNr">491 </span>  <span class="Delimiter">}</span>
-<span id="L492" class="LineNr">492 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>  <span class="Comment">// optional immutable ingredient</span>
+<span id="L492" class="LineNr">492 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>  <span class="Comment">// optional immutable ingredient</span>
 <span id="L493" class="LineNr">493 </span>  <span class="Identifier">return</span> <a href='057immutable.cc.html#L496'>is_present_in_products</a><span class="Delimiter">(</span>callee<span class="Delimiter">,</span> callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">).</span>name<span class="Delimiter">);</span>
 <span id="L494" class="LineNr">494 </span><span class="Delimiter">}</span>
 <span id="L495" class="LineNr">495 </span>
 <span id="L496" class="LineNr">496 </span><span class="Normal">bool</span> <a href='057immutable.cc.html#L496'>is_present_in_products</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; callee<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; ingredient_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L497" class="LineNr">497 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L497" class="LineNr">497 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L498" class="LineNr">498 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == ingredient_name<span class="Delimiter">)</span>
 <span id="L499" class="LineNr">499 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L500" class="LineNr">500 </span>  <span class="Delimiter">}</span>
@@ -567,7 +567,7 @@ if ('onhashchange' in window) {
 <span id="L503" class="LineNr">503 </span>
 <span id="L504" class="LineNr">504 </span>set&lt;<span class="Normal">int</span>&gt; <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> set&lt;reagent&gt;&amp; ingredient_names<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L505" class="LineNr">505 </span>  set&lt;<span class="Normal">int</span>&gt; result<span class="Delimiter">;</span>
-<span id="L506" class="LineNr">506 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L506" class="LineNr">506 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L507" class="LineNr">507 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L508" class="LineNr">508 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != ingredient_names<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">())</span>
 <span id="L509" class="LineNr">509 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
@@ -611,7 +611,7 @@ if ('onhashchange' in window) {
 <span id="L547" class="LineNr">547 </span><span class="muRecipe">def</span> test-remove x:&amp;:test-list/contained-in:from<span class="Delimiter">,</span> from:&amp;:test-list<span class="muRecipe"> -&gt; </span>from:&amp;:test-list [
 <span id="L548" class="LineNr">548 </span>  local-scope
 <span id="L549" class="LineNr">549 </span>  load-ingredients
-<span id="L550" class="LineNr">550 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>  <span class="Comment"># can modify x</span>
+<span id="L550" class="LineNr">550 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>  <span class="Comment"># can modify x</span>
 <span id="L551" class="LineNr">551 </span>]
 <span id="L552" class="LineNr">552 </span>$error: <span class="Constant">0</span>
 <span id="L553" class="LineNr">553 </span>
diff --git a/html/058to_text.cc.html b/html/058to_text.cc.html
index 7d2c1f6f..d702720a 100644
--- a/html/058to_text.cc.html
+++ b/html/058to_text.cc.html
@@ -65,10 +65,10 @@ if ('onhashchange' in window) {
 <span id="L5" class="LineNr"> 5 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L6" class="LineNr"> 6 </span>TO_TEXT<span class="Delimiter">,</span>
 <span id="L7" class="LineNr"> 7 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L8" class="LineNr"> 8 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;to-text&quot;</span><span class="Delimiter">,</span> TO_TEXT<span class="Delimiter">);</span>
+<span id="L8" class="LineNr"> 8 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;to-text&quot;</span><span class="Delimiter">,</span> TO_TEXT<span class="Delimiter">);</span>
 <span id="L9" class="LineNr"> 9 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L10" class="LineNr">10 </span><span class="Normal">case</span> TO_TEXT: <span class="Delimiter">{</span>
-<span id="L11" class="LineNr">11 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L11" class="LineNr">11 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L12" class="LineNr">12 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'to-text' requires a single ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L13" class="LineNr">13 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L14" class="LineNr">14 </span>  <span class="Delimiter">}</span>
diff --git a/html/060rewrite_literal_string.cc.html b/html/060rewrite_literal_string.cc.html
index a7bccb19..7689488e 100644
--- a/html/060rewrite_literal_string.cc.html
+++ b/html/060rewrite_literal_string.cc.html
@@ -100,10 +100,10 @@ if ('onhashchange' in window) {
 <span id="L38" class="LineNr">38 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- rewrite literal strings in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L39" class="LineNr">39 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='060rewrite_literal_string.cc.html#L62'>contains_numeric_locations</a><span class="Delimiter">(</span>caller<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L40" class="LineNr">40 </span>  vector&lt;instruction&gt; new_instructions<span class="Delimiter">;</span>
-<span id="L41" class="LineNr">41 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L41" class="LineNr">41 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L42" class="LineNr">42 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L43" class="LineNr">43 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>recipes_taking_literal_strings<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">)</span> == recipes_taking_literal_strings<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L44" class="LineNr">44 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L44" class="LineNr">44 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L45" class="LineNr">45 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L46" class="LineNr">46 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='010vm.cc.html#L32'>instruction</a> def<span class="Delimiter">;</span>
 <span id="L47" class="LineNr">47 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ostringstream ingredient_name<span class="Delimiter">;</span>
@@ -122,12 +122,12 @@ if ('onhashchange' in window) {
 <span id="L60" class="LineNr">60 </span><span class="Delimiter">}</span>
 <span id="L61" class="LineNr">61 </span>
 <span id="L62" class="LineNr">62 </span><span class="Normal">bool</span> <a href='060rewrite_literal_string.cc.html#L62'>contains_numeric_locations</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L63" class="LineNr">63 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L63" class="LineNr">63 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L64" class="LineNr">64 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L65" class="LineNr">65 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
+<span id="L65" class="LineNr">65 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
 <span id="L66" class="LineNr">66 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='042name.cc.html#L141'>is_numeric_location</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">)))</span>
 <span id="L67" class="LineNr">67 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L68" class="LineNr">68 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
+<span id="L68" class="LineNr">68 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
 <span id="L69" class="LineNr">69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='042name.cc.html#L141'>is_numeric_location</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">)))</span>
 <span id="L70" class="LineNr">70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L71" class="LineNr">71 </span>  <span class="Delimiter">}</span>
diff --git a/html/062convert_ingredients_to_text.cc.html b/html/062convert_ingredients_to_text.cc.html
index 87f06288..77b8f167 100644
--- a/html/062convert_ingredients_to_text.cc.html
+++ b/html/062convert_ingredients_to_text.cc.html
@@ -130,11 +130,11 @@ if ('onhashchange' in window) {
 <span id="L67" class="LineNr"> 67 </span>
 <span id="L68" class="LineNr"> 68 </span><span class="Normal">void</span> convert_ingredients_to_text<span class="Delimiter">(</span>recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L69" class="LineNr"> 69 </span>  vector&lt;instruction&gt; new_instructions<span class="Delimiter">;</span>
-<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Comment">// all these cases are getting hairy. how can we make this extensible?</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;stash&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ostringstream ingredient_name<span class="Delimiter">;</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ingredient_name &lt;&lt; <span class="Constant">&quot;stash_&quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">'_'</span> &lt;&lt; j &lt;&lt; <span class="Constant">&quot;:<a href='043space.cc.html#L76'>address</a>:array:character&quot;</span><span class="Delimiter">;</span>
@@ -142,7 +142,7 @@ if ('onhashchange' in window) {
 <span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L80" class="LineNr"> 80 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Comment">/*</span><span class="Comment">skip</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Comment">/*</span><span class="Comment">skip</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ostringstream ingredient_name<span class="Delimiter">;</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ingredient_name &lt;&lt; <span class="Constant">&quot;trace_&quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">'_'</span> &lt;&lt; j &lt;&lt; <span class="Constant">&quot;:<a href='043space.cc.html#L76'>address</a>:array:character&quot;</span><span class="Delimiter">;</span>
@@ -156,7 +156,7 @@ if ('onhashchange' in window) {
 <span id="L93" class="LineNr"> 93 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">//   append _:text, ___</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// will never ever get used.</span>
 <span id="L95" class="LineNr"> 95 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> || <a href='027call_ingredient.cc.html#L174'>is_mu_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Comment">/*</span><span class="Comment">skip base</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Comment">/*</span><span class="Comment">skip base</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ostringstream ingredient_name<span class="Delimiter">;</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ingredient_name &lt;&lt; <span class="Constant">&quot;append_&quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">'_'</span> &lt;&lt; j &lt;&lt; <span class="Constant">&quot;:<a href='043space.cc.html#L76'>address</a>:array:character&quot;</span><span class="Delimiter">;</span>
 <span id="L99" class="LineNr"> 99 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> convert_ingredient_to_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> new_instructions<span class="Delimiter">,</span> ingredient_name<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
diff --git a/html/067random.cc.html b/html/067random.cc.html
index ff23e721..96477350 100644
--- a/html/067random.cc.html
+++ b/html/067random.cc.html
@@ -59,7 +59,7 @@ if ('onhashchange' in window) {
 <span id="L1" class="LineNr"> 1 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L2" class="LineNr"> 2 </span>REAL_RANDOM<span class="Delimiter">,</span>
 <span id="L3" class="LineNr"> 3 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L4" class="LineNr"> 4 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;real-random&quot;</span><span class="Delimiter">,</span> REAL_RANDOM<span class="Delimiter">);</span>
+<span id="L4" class="LineNr"> 4 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;real-random&quot;</span><span class="Delimiter">,</span> REAL_RANDOM<span class="Delimiter">);</span>
 <span id="L5" class="LineNr"> 5 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L6" class="LineNr"> 6 </span><span class="Normal">case</span> REAL_RANDOM: <span class="Delimiter">{</span>
 <span id="L7" class="LineNr"> 7 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -76,7 +76,7 @@ if ('onhashchange' in window) {
 <span id="L18" class="LineNr">18 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L19" class="LineNr">19 </span>MAKE_RANDOM_NONDETERMINISTIC<span class="Delimiter">,</span>
 <span id="L20" class="LineNr">20 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L21" class="LineNr">21 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;make-random-nondeterministic&quot;</span><span class="Delimiter">,</span> MAKE_RANDOM_NONDETERMINISTIC<span class="Delimiter">);</span>
+<span id="L21" class="LineNr">21 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;make-random-nondeterministic&quot;</span><span class="Delimiter">,</span> MAKE_RANDOM_NONDETERMINISTIC<span class="Delimiter">);</span>
 <span id="L22" class="LineNr">22 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L23" class="LineNr">23 </span><span class="Normal">case</span> MAKE_RANDOM_NONDETERMINISTIC: <span class="Delimiter">{</span>
 <span id="L24" class="LineNr">24 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/069hash.cc.html b/html/069hash.cc.html
index 1202a5d9..2e160852 100644
--- a/html/069hash.cc.html
+++ b/html/069hash.cc.html
@@ -76,10 +76,10 @@ if ('onhashchange' in window) {
 <span id="L11" class="LineNr"> 11 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L12" class="LineNr"> 12 </span>HASH<span class="Delimiter">,</span>
 <span id="L13" class="LineNr"> 13 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L14" class="LineNr"> 14 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;hash&quot;</span><span class="Delimiter">,</span> HASH<span class="Delimiter">);</span>
+<span id="L14" class="LineNr"> 14 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;hash&quot;</span><span class="Delimiter">,</span> HASH<span class="Delimiter">);</span>
 <span id="L15" class="LineNr"> 15 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L16" class="LineNr"> 16 </span><span class="Normal">case</span> HASH: <span class="Delimiter">{</span>
-<span id="L17" class="LineNr"> 17 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L17" class="LineNr"> 17 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L18" class="LineNr"> 18 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'hash' takes exactly one ingredient rather than '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L19" class="LineNr"> 19 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L20" class="LineNr"> 20 </span>  <span class="Delimiter">}</span>
@@ -114,14 +114,14 @@ if ('onhashchange' in window) {
 <span id="L49" class="LineNr"> 49 </span><span class="Delimiter">}</span>
 <span id="L50" class="LineNr"> 50 </span>
 <span id="L51" class="LineNr"> 51 </span><span class="Normal">size_t</span> <a href='069hash.cc.html#L51'>hash_mu_scalar</a><span class="Delimiter">(</span><span class="Normal">size_t</span> h<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L52" class="LineNr"> 52 </span>  <span class="Normal">double</span> input = is_literal<span class="Delimiter">(</span>r<span class="Delimiter">)</span> ? r<span class="Delimiter">.</span>value : <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
+<span id="L52" class="LineNr"> 52 </span>  <span class="Normal">double</span> input = is_literal<span class="Delimiter">(</span>r<span class="Delimiter">)</span> ? r<span class="Delimiter">.</span>value : <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
 <span id="L53" class="LineNr"> 53 </span>  <span class="Identifier">return</span> <a href='069hash.cc.html#L119'>hash_iter</a><span class="Delimiter">(</span>h<span class="Delimiter">,</span> <span class="Normal">static_cast</span>&lt;<span class="Normal">size_t</span>&gt;<span class="Delimiter">(</span>input<span class="Delimiter">));</span>
 <span id="L54" class="LineNr"> 54 </span><span class="Delimiter">}</span>
 <span id="L55" class="LineNr"> 55 </span>
 <span id="L56" class="LineNr"> 56 </span><span class="Normal">size_t</span> <a href='069hash.cc.html#L56'>hash_mu_address</a><span class="Delimiter">(</span><span class="Normal">size_t</span> h<span class="Delimiter">,</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L57" class="LineNr"> 57 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L58" class="LineNr"> 58 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L59" class="LineNr"> 59 </span>  r<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
+<span id="L58" class="LineNr"> 58 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L59" class="LineNr"> 59 </span>  r<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>value != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L61" class="LineNr"> 61 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;skipping refcount at &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>value &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</span> r<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>value+<span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// skip refcount</span>
@@ -131,8 +131,8 @@ if ('onhashchange' in window) {
 <span id="L66" class="LineNr"> 66 </span><span class="Delimiter">}</span>
 <span id="L67" class="LineNr"> 67 </span>
 <span id="L68" class="LineNr"> 68 </span><span class="Normal">size_t</span> <a href='069hash.cc.html#L68'>hash_mu_text</a><span class="Delimiter">(</span><span class="Normal">size_t</span> h<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L69" class="LineNr"> 69 </span>  string input = <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
-<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>input<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L69" class="LineNr"> 69 </span>  string input = <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
+<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>input<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> h = <a href='069hash.cc.html#L119'>hash_iter</a><span class="Delimiter">(</span>h<span class="Delimiter">,</span> <span class="Normal">static_cast</span>&lt;<span class="Normal">size_t</span>&gt;<span class="Delimiter">(</span>input<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)));</span>
 <span id="L72" class="LineNr"> 72 </span><span class="CommentedCode">//?     cerr &lt;&lt; i &lt;&lt; &quot;: &quot; &lt;&lt; h &lt;&lt; '\n';</span>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Delimiter">}</span>
@@ -140,7 +140,7 @@ if ('onhashchange' in window) {
 <span id="L75" class="LineNr"> 75 </span><span class="Delimiter">}</span>
 <span id="L76" class="LineNr"> 76 </span>
 <span id="L77" class="LineNr"> 77 </span><span class="Normal">size_t</span> <a href='069hash.cc.html#L77'>hash_mu_array</a><span class="Delimiter">(</span><span class="Normal">size_t</span> h<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L78" class="LineNr"> 78 </span>  <span class="Normal">int</span> size = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
+<span id="L78" class="LineNr"> 78 </span>  <span class="Normal">int</span> size = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
 <span id="L79" class="LineNr"> 79 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> elem = r<span class="Delimiter">;</span>
 <span id="L80" class="LineNr"> 80 </span>  <span class="Normal">delete</span> elem<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
 <span id="L81" class="LineNr"> 81 </span>  elem<span class="Delimiter">.</span>type = <a href='032array.cc.html#L378'>copy_array_element</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
@@ -157,7 +157,7 @@ if ('onhashchange' in window) {
 <span id="L92" class="LineNr"> 92 </span>  type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get_base_type<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">)-&gt;</span>value<span class="Delimiter">);</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a> = r<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Normal">int</span> offset = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L95" class="LineNr"> 95 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L95" class="LineNr"> 95 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = <a href='030container.cc.html#L430'>element_type</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>element<span class="Delimiter">,</span> <span class="Constant">&quot;ignore-for-hash&quot;</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Conceal">¦</span> element<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>address+offset<span class="Delimiter">);</span>
@@ -412,10 +412,10 @@ if ('onhashchange' in window) {
 <span id="L347" class="LineNr">347 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L348" class="LineNr">348 </span>HASH_OLD<span class="Delimiter">,</span>
 <span id="L349" class="LineNr">349 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L350" class="LineNr">350 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;hash_old&quot;</span><span class="Delimiter">,</span> HASH_OLD<span class="Delimiter">);</span>
+<span id="L350" class="LineNr">350 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;hash_old&quot;</span><span class="Delimiter">,</span> HASH_OLD<span class="Delimiter">);</span>
 <span id="L351" class="LineNr">351 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L352" class="LineNr">352 </span><span class="Normal">case</span> HASH_OLD: <span class="Delimiter">{</span>
-<span id="L353" class="LineNr">353 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L353" class="LineNr">353 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L354" class="LineNr">354 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'hash_old' takes exactly one ingredient rather than '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L355" class="LineNr">355 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L356" class="LineNr">356 </span>  <span class="Delimiter">}</span>
@@ -430,7 +430,7 @@ if ('onhashchange' in window) {
 <span id="L365" class="LineNr">365 </span>  string input = <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L366" class="LineNr">366 </span>  <span class="Normal">size_t</span> h = <span class="Constant">0</span> <span class="Delimiter">;</span>
 <span id="L367" class="LineNr">367 </span>
-<span id="L368" class="LineNr">368 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>input<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L368" class="LineNr">368 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>input<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L369" class="LineNr">369 </span>  <span class="Conceal">¦</span> h += <span class="Normal">static_cast</span>&lt;<span class="Normal">size_t</span>&gt;<span class="Delimiter">(</span>input<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L370" class="LineNr">370 </span>  <span class="Conceal">¦</span> h += <span class="Delimiter">(</span>h&lt;&lt;<span class="Constant">10</span><span class="Delimiter">);</span>
 <span id="L371" class="LineNr">371 </span>  <span class="Conceal">¦</span> h ^= <span class="Delimiter">(</span>h&gt;&gt;<span class="Constant">6</span><span class="Delimiter">);</span>
diff --git a/html/071recipe.cc.html b/html/071recipe.cc.html
index 8f011879..1ce313d7 100644
--- a/html/071recipe.cc.html
+++ b/html/071recipe.cc.html
@@ -92,10 +92,10 @@ if ('onhashchange' in window) {
 <span id="L28" class="LineNr"> 28 </span><span class="traceContains">+mem: storing 34 in location 2</span>
 <span id="L29" class="LineNr"> 29 </span>
 <span id="L30" class="LineNr"> 30 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L31" class="LineNr"> 31 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L31" class="LineNr"> 31 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L32" class="LineNr"> 32 </span><span class="Comment">// 'recipe' variables can store recipe-literal</span>
-<span id="L33" class="LineNr"> 33 </span><a href='010vm.cc.html#L123'>type_ordinal</a> <a href='010vm.cc.html#L19'>recipe</a> = <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L34" class="LineNr"> 34 </span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='010vm.cc.html#L19'>recipe</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">;</span>
+<span id="L33" class="LineNr"> 33 </span><a href='010vm.cc.html#L123'>type_ordinal</a> <a href='010vm.cc.html#L19'>recipe</a> = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L34" class="LineNr"> 34 </span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='010vm.cc.html#L19'>recipe</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">;</span>
 <span id="L35" class="LineNr"> 35 </span>
 <span id="L36" class="LineNr"> 36 </span><span class="Delimiter">:(after &quot;Begin <a href='042name.cc.html#L37'>transform_names</a> Ingredient Special-cases(ingredient, inst, caller)&quot;)</span>
 <span id="L37" class="LineNr"> 37 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='071recipe.cc.html#L47'>is_recipe_literal</a><span class="Delimiter">(</span>ingredient<span class="Delimiter">,</span> caller<span class="Delimiter">))</span> <span class="Delimiter">{</span>
@@ -122,11 +122,11 @@ if ('onhashchange' in window) {
 <span id="L58" class="LineNr"> 58 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
 <span id="L59" class="LineNr"> 59 </span><span class="Delimiter">}</span>
 <span id="L60" class="LineNr"> 60 </span><span class="Normal">bool</span> <a href='071recipe.cc.html#L60'>contains_reagent_with_type</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L61" class="LineNr"> 61 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L61" class="LineNr"> 61 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L63" class="LineNr"> 63 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L63" class="LineNr"> 63 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='071recipe.cc.html#L70'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L65" class="LineNr"> 65 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L66" class="LineNr"> 66 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='071recipe.cc.html#L70'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Delimiter">}</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
@@ -153,7 +153,7 @@ if ('onhashchange' in window) {
 <span id="L89" class="LineNr"> 89 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L90" class="LineNr"> 90 </span>CALL<span class="Delimiter">,</span>
 <span id="L91" class="LineNr"> 91 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L92" class="LineNr"> 92 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;call&quot;</span><span class="Delimiter">,</span> CALL<span class="Delimiter">);</span>
+<span id="L92" class="LineNr"> 92 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;call&quot;</span><span class="Delimiter">,</span> CALL<span class="Delimiter">);</span>
 <span id="L93" class="LineNr"> 93 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L94" class="LineNr"> 94 </span><span class="Normal">case</span> CALL: <span class="Delimiter">{</span>
 <span id="L95" class="LineNr"> 95 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -229,7 +229,7 @@ if ('onhashchange' in window) {
 <span id="L165" class="LineNr">165 </span><span class="Normal">void</span> <a href='071recipe.cc.html#L165'>check_indirect_calls_against_header</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L166" class="LineNr">166 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- type-check 'call' instructions inside <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L167" class="LineNr">167 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
-<span id="L168" class="LineNr">168 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L168" class="LineNr">168 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L170" class="LineNr">170 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_indirect_call<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error raised above</span>
@@ -238,13 +238,13 @@ if ('onhashchange' in window) {
 <span id="L174" class="LineNr">174 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> <a href='010vm.cc.html#L19'>recipe</a> callee_header = is_literal<span class="Delimiter">(</span>callee<span class="Delimiter">)</span> ? get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> callee<span class="Delimiter">.</span>value<span class="Delimiter">)</span> : <a href='071recipe.cc.html#L207'>from_reagent</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!callee_header<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='071recipe.cc.html#L196'>is_indirect_call_with_ingredients</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L177" class="LineNr">177 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L177" class="LineNr">177 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L178" class="LineNr">178 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient &quot;</span> &lt;&lt; i-<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span> &lt;&lt; <span class="Constant">&quot; has the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L180" class="LineNr">180 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L181" class="LineNr">181 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L182" class="LineNr">182 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='071recipe.cc.html#L201'>is_indirect_call_with_products</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L183" class="LineNr">183 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L183" class="LineNr">183 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L184" class="LineNr">184 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; has the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -312,19 +312,19 @@ if ('onhashchange' in window) {
 <span id="L248" class="LineNr">248 </span><span class="Normal">void</span> <a href='071recipe.cc.html#L248'>test_from_reagent_non_atomic</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L249" class="LineNr">249 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number -&gt; number)}&quot;</span><span class="Delimiter">);</span>
 <span id="L250" class="LineNr">250 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='071recipe.cc.html#L207'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
-<span id="L251" class="LineNr">251 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L252" class="LineNr">252 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L251" class="LineNr">251 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L252" class="LineNr">252 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L253" class="LineNr">253 </span><span class="Delimiter">}</span>
 <span id="L254" class="LineNr">254 </span><span class="Normal">void</span> <a href='071recipe.cc.html#L254'>test_from_reagent_reads_ingredient_at_end</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L255" class="LineNr">255 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number number)}&quot;</span><span class="Delimiter">);</span>
 <span id="L256" class="LineNr">256 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='071recipe.cc.html#L207'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
-<span id="L257" class="LineNr">257 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">2</span><span class="Delimiter">);</span>
+<span id="L257" class="LineNr">257 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">2</span><span class="Delimiter">);</span>
 <span id="L258" class="LineNr">258 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L259" class="LineNr">259 </span><span class="Delimiter">}</span>
 <span id="L260" class="LineNr">260 </span><span class="Normal">void</span> <a href='071recipe.cc.html#L260'>test_from_reagent_reads_sole_ingredient_at_end</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L261" class="LineNr">261 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number)}&quot;</span><span class="Delimiter">);</span>
 <span id="L262" class="LineNr">262 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='071recipe.cc.html#L207'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
-<span id="L263" class="LineNr">263 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L263" class="LineNr">263 </span>  <a href='002test.cc.html#L32'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L264" class="LineNr">264 </span>  <a href='002test.cc.html#L25'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L265" class="LineNr">265 </span><span class="Delimiter">}</span>
 <span id="L266" class="LineNr">266 </span>
@@ -380,11 +380,11 @@ if ('onhashchange' in window) {
 <span id="L316" class="LineNr">316 </span>  <span class="Delimiter">}</span>
 <span id="L317" class="LineNr">317 </span>  <span class="Normal">const</span> recipe&amp; rrhs = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> from<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
 <span id="L318" class="LineNr">318 </span>  <span class="Normal">const</span> recipe&amp; rlhs = <a href='071recipe.cc.html#L207'>from_reagent</a><span class="Delimiter">(</span>to<span class="Delimiter">);</span>
-<span id="L319" class="LineNr">319 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L319" class="LineNr">319 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L320" class="LineNr">320 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> rrhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L321" class="LineNr">321 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Delimiter">}</span>
-<span id="L323" class="LineNr">323 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L323" class="LineNr">323 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L324" class="LineNr">324 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> rrhs<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
 <span id="L325" class="LineNr">325 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L326" class="LineNr">326 </span>  <span class="Delimiter">}</span>
@@ -425,7 +425,7 @@ if ('onhashchange' in window) {
 <span id="L361" class="LineNr">361 </span><a href='071recipe.cc.html#L363'>check_for_recipe_literals</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">));</span>
 <span id="L362" class="LineNr">362 </span><span class="Delimiter">:(code)</span>
 <span id="L363" class="LineNr">363 </span><span class="Normal">void</span> <a href='071recipe.cc.html#L363'>check_for_recipe_literals</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L364" class="LineNr">364 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L364" class="LineNr">364 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L365" class="LineNr">365 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='071recipe.cc.html#L276'>is_mu_recipe</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L366" class="LineNr">366 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;missing type for '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L367" class="LineNr">367 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_present_in_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span>
diff --git a/html/072scheduler.cc.html b/html/072scheduler.cc.html
index e6d06129..85f8150b 100644
--- a/html/072scheduler.cc.html
+++ b/html/072scheduler.cc.html
@@ -145,7 +145,7 @@ if ('onhashchange' in window) {
 <span id="L80" class="LineNr"> 80 </span><span class="Delimiter">}</span>
 <span id="L81" class="LineNr"> 81 </span>
 <span id="L82" class="LineNr"> 82 </span><span class="Normal">bool</span> <a href='072scheduler.cc.html#L82'>all_routines_done</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L83" class="LineNr"> 83 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L83" class="LineNr"> 83 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == <a href='072scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">)</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L86" class="LineNr"> 86 </span>  <span class="Delimiter">}</span>
@@ -155,7 +155,7 @@ if ('onhashchange' in window) {
 <span id="L90" class="LineNr"> 90 </span><span class="Comment">// skip Current_routine_index past non-RUNNING routines</span>
 <span id="L91" class="LineNr"> 91 </span><span class="Normal">void</span> <a href='072scheduler.cc.html#L91'>skip_to_next_routine</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L92" class="LineNr"> 92 </span>  assert<span class="Delimiter">(</span>!Routines<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L93" class="LineNr"> 93 </span>  assert<span class="Delimiter">(</span>Current_routine_index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">));</span>
+<span id="L93" class="LineNr"> 93 </span>  assert<span class="Delimiter">(</span>Current_routine_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">));</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Delimiter">(</span>Current_routine_index+<span class="Constant">1</span><span class="Delimiter">)</span>%SIZE<span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  i != Current_routine_index<span class="Delimiter">;</span>  i = <span class="Delimiter">(</span>i+<span class="Constant">1</span><span class="Delimiter">)</span>%SIZE<span class="Delimiter">(</span>Routines<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L95" class="LineNr"> 95 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == <a href='072scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Current_routine_index = i<span class="Delimiter">;</span>
@@ -180,7 +180,7 @@ if ('onhashchange' in window) {
 <span id="L115" class="LineNr">115 </span><span class="Delimiter">}</span>
 <span id="L116" class="LineNr">116 </span>
 <span id="L117" class="LineNr">117 </span><span class="Delimiter">:(before &quot;End Teardown&quot;)</span>
-<span id="L118" class="LineNr">118 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L118" class="LineNr">118 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L119" class="LineNr">119 </span>  <span class="Normal">delete</span> Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L120" class="LineNr">120 </span>Routines<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
 <span id="L121" class="LineNr">121 </span>Current_routine = <span class="Constant">NULL</span><span class="Delimiter">;</span>
@@ -198,7 +198,7 @@ if ('onhashchange' in window) {
 <span id="L133" class="LineNr">133 </span>  <span class="Conceal">¦</span> vector&lt;<span class="Normal">double</span>&gt; arg<span class="Delimiter">;</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Conceal">¦</span> arg<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>argv[i]<span class="Delimiter">));</span>
 <span id="L135" class="LineNr">135 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> arg<span class="Delimiter">.</span>back<span class="Delimiter">())</span> == <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> arg<span class="Delimiter">.</span>back<span class="Delimiter">(),</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// update refcount</span>
+<span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> arg<span class="Delimiter">.</span>back<span class="Delimiter">(),</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// update refcount</span>
 <span id="L137" class="LineNr">137 </span>  <span class="Conceal">¦</span> current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>arg<span class="Delimiter">);</span>
 <span id="L138" class="LineNr">138 </span>  <span class="Delimiter">}</span>
 <span id="L139" class="LineNr">139 </span>  run<span class="Delimiter">(</span>main_routine<span class="Delimiter">);</span>
@@ -228,7 +228,7 @@ if ('onhashchange' in window) {
 <span id="L163" class="LineNr">163 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L164" class="LineNr">164 </span>START_RUNNING<span class="Delimiter">,</span>
 <span id="L165" class="LineNr">165 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L166" class="LineNr">166 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;start-running&quot;</span><span class="Delimiter">,</span> START_RUNNING<span class="Delimiter">);</span>
+<span id="L166" class="LineNr">166 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;start-running&quot;</span><span class="Delimiter">,</span> START_RUNNING<span class="Delimiter">);</span>
 <span id="L167" class="LineNr">167 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L168" class="LineNr">168 </span><span class="Normal">case</span> START_RUNNING: <span class="Delimiter">{</span>
 <span id="L169" class="LineNr">169 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -246,7 +246,7 @@ if ('onhashchange' in window) {
 <span id="L181" class="LineNr">181 </span>  routine* new_routine = <span class="Normal">new</span> routine<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
 <span id="L182" class="LineNr">182 </span>  new_routine<span class="Delimiter">-&gt;</span>parent_index = Current_routine_index<span class="Delimiter">;</span>
 <span id="L183" class="LineNr">183 </span>  <span class="Comment">// populate ingredients</span>
-<span id="L184" class="LineNr">184 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L184" class="LineNr">184 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> new_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L187" class="LineNr">187 </span>  <span class="Conceal">¦</span> canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
@@ -463,7 +463,7 @@ if ('onhashchange' in window) {
 <span id="L398" class="LineNr">398 </span><span class="traceContains">+error: f2: divide by zero in '3:num &lt;- divide-with-remainder 4, 0'</span>
 <span id="L399" class="LineNr">399 </span><span class="traceAbsent">-error: f2: divide by zero in '4:num &lt;- divide-with-remainder 4, 0'</span>
 <span id="L400" class="LineNr">400 </span>
-<span id="L401" class="LineNr">401 </span><span class="Delimiter">:(after &quot;operator&lt;&lt;(ostream&amp; os, <a href='001help.cc.html#L255'>unused</a> end)&quot;)</span>
+<span id="L401" class="LineNr">401 </span><span class="Delimiter">:(after &quot;operator&lt;&lt;(ostream&amp; os, <a href='001help.cc.html#L258'>unused</a> end)&quot;)</span>
 <span id="L402" class="LineNr">402 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream &amp;&amp; Trace_stream<span class="Delimiter">-&gt;</span>curr_label == <span class="Constant">&quot;error&quot;</span> &amp;&amp; Current_routine<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L403" class="LineNr">403 </span>  <span class="Conceal">¦</span> Current_routine<span class="Delimiter">-&gt;</span>state = <a href='072scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">;</span>
 <span id="L404" class="LineNr">404 </span>  <span class="Delimiter">}</span>
@@ -481,7 +481,7 @@ if ('onhashchange' in window) {
 <span id="L416" class="LineNr">416 </span><span class="traceAbsent">-schedule: f1</span>
 <span id="L417" class="LineNr">417 </span>
 <span id="L418" class="LineNr">418 </span><span class="Delimiter">:(before &quot;End Scheduler Cleanup&quot;)</span>
-<span id="L419" class="LineNr">419 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L419" class="LineNr">419 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L420" class="LineNr">420 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == <a href='072scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L421" class="LineNr">421 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>parent_index &lt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// root thread</span>
 <span id="L422" class="LineNr">422 </span>  <span class="Comment">// structured concurrency: <a href="http://250bpm.com/blog:71">http://250bpm.com/blog:71</a></span>
@@ -519,10 +519,10 @@ if ('onhashchange' in window) {
 <span id="L454" class="LineNr">454 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L455" class="LineNr">455 </span>ROUTINE_STATE<span class="Delimiter">,</span>
 <span id="L456" class="LineNr">456 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L457" class="LineNr">457 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;routine-state&quot;</span><span class="Delimiter">,</span> ROUTINE_STATE<span class="Delimiter">);</span>
+<span id="L457" class="LineNr">457 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;routine-state&quot;</span><span class="Delimiter">,</span> ROUTINE_STATE<span class="Delimiter">);</span>
 <span id="L458" class="LineNr">458 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L459" class="LineNr">459 </span><span class="Normal">case</span> ROUTINE_STATE: <span class="Delimiter">{</span>
-<span id="L460" class="LineNr">460 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L460" class="LineNr">460 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L461" class="LineNr">461 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'routine-state' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L462" class="LineNr">462 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L463" class="LineNr">463 </span>  <span class="Delimiter">}</span>
@@ -536,7 +536,7 @@ if ('onhashchange' in window) {
 <span id="L471" class="LineNr">471 </span><span class="Normal">case</span> ROUTINE_STATE: <span class="Delimiter">{</span>
 <span id="L472" class="LineNr">472 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L473" class="LineNr">473 </span>  <span class="Normal">int</span> result = -<span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L474" class="LineNr">474 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L474" class="LineNr">474 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L475" class="LineNr">475 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L476" class="LineNr">476 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state<span class="Delimiter">;</span>
 <span id="L477" class="LineNr">477 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -552,10 +552,10 @@ if ('onhashchange' in window) {
 <span id="L487" class="LineNr">487 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L488" class="LineNr">488 </span>STOP<span class="Delimiter">,</span>
 <span id="L489" class="LineNr">489 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L490" class="LineNr">490 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;stop&quot;</span><span class="Delimiter">,</span> STOP<span class="Delimiter">);</span>
+<span id="L490" class="LineNr">490 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;stop&quot;</span><span class="Delimiter">,</span> STOP<span class="Delimiter">);</span>
 <span id="L491" class="LineNr">491 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L492" class="LineNr">492 </span><span class="Normal">case</span> STOP: <span class="Delimiter">{</span>
-<span id="L493" class="LineNr">493 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L493" class="LineNr">493 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L494" class="LineNr">494 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'stop' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L495" class="LineNr">495 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L496" class="LineNr">496 </span>  <span class="Delimiter">}</span>
@@ -568,7 +568,7 @@ if ('onhashchange' in window) {
 <span id="L503" class="LineNr">503 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L504" class="LineNr">504 </span><span class="Normal">case</span> STOP: <span class="Delimiter">{</span>
 <span id="L505" class="LineNr">505 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L506" class="LineNr">506 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L506" class="LineNr">506 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L507" class="LineNr">507 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L508" class="LineNr">508 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state = <a href='072scheduler.cc.html#L42'>COMPLETED</a><span class="Delimiter">;</span>
 <span id="L509" class="LineNr">509 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -580,14 +580,14 @@ if ('onhashchange' in window) {
 <span id="L515" class="LineNr">515 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L516" class="LineNr">516 </span>_DUMP_ROUTINES<span class="Delimiter">,</span>
 <span id="L517" class="LineNr">517 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L518" class="LineNr">518 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-routines&quot;</span><span class="Delimiter">,</span> _DUMP_ROUTINES<span class="Delimiter">);</span>
+<span id="L518" class="LineNr">518 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-routines&quot;</span><span class="Delimiter">,</span> _DUMP_ROUTINES<span class="Delimiter">);</span>
 <span id="L519" class="LineNr">519 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L520" class="LineNr">520 </span><span class="Normal">case</span> _DUMP_ROUTINES: <span class="Delimiter">{</span>
 <span id="L521" class="LineNr">521 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L522" class="LineNr">522 </span><span class="Delimiter">}</span>
 <span id="L523" class="LineNr">523 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L524" class="LineNr">524 </span><span class="Normal">case</span> _DUMP_ROUTINES: <span class="Delimiter">{</span>
-<span id="L525" class="LineNr">525 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L525" class="LineNr">525 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L526" class="LineNr">526 </span>  <span class="Conceal">¦</span> cerr &lt;&lt; i &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id &lt;&lt; <span class="Constant">' '</span> &lt;&lt; Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state &lt;&lt; <span class="Constant">' '</span> &lt;&lt; Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>parent_index &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L527" class="LineNr">527 </span>  <span class="Delimiter">}</span>
 <span id="L528" class="LineNr">528 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -635,7 +635,7 @@ if ('onhashchange' in window) {
 <span id="L570" class="LineNr">570 </span>
 <span id="L571" class="LineNr">571 </span><span class="Delimiter">:(code)</span>
 <span id="L572" class="LineNr">572 </span><span class="Normal">bool</span> any_routines_with_error<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L573" class="LineNr">573 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L573" class="LineNr">573 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L574" class="LineNr">574 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == DISCONTINUED<span class="Delimiter">)</span>
 <span id="L575" class="LineNr">575 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L576" class="LineNr">576 </span>  <span class="Delimiter">}</span>
@@ -650,10 +650,10 @@ if ('onhashchange' in window) {
 <span id="L585" class="LineNr">585 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L586" class="LineNr">586 </span>LIMIT_TIME<span class="Delimiter">,</span>
 <span id="L587" class="LineNr">587 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L588" class="LineNr">588 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;limit-time&quot;</span><span class="Delimiter">,</span> LIMIT_TIME<span class="Delimiter">);</span>
+<span id="L588" class="LineNr">588 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;limit-time&quot;</span><span class="Delimiter">,</span> LIMIT_TIME<span class="Delimiter">);</span>
 <span id="L589" class="LineNr">589 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L590" class="LineNr">590 </span><span class="Normal">case</span> LIMIT_TIME: <span class="Delimiter">{</span>
-<span id="L591" class="LineNr">591 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L591" class="LineNr">591 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L592" class="LineNr">592 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'limit-time' requires exactly two ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L593" class="LineNr">593 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L594" class="LineNr">594 </span>  <span class="Delimiter">}</span>
@@ -670,7 +670,7 @@ if ('onhashchange' in window) {
 <span id="L605" class="LineNr">605 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L606" class="LineNr">606 </span><span class="Normal">case</span> LIMIT_TIME: <span class="Delimiter">{</span>
 <span id="L607" class="LineNr">607 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L608" class="LineNr">608 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L608" class="LineNr">608 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L609" class="LineNr">609 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L610" class="LineNr">610 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>limit = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L611" class="LineNr">611 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -688,10 +688,10 @@ if ('onhashchange' in window) {
 <span id="L623" class="LineNr">623 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L624" class="LineNr">624 </span>NUMBER_OF_INSTRUCTIONS<span class="Delimiter">,</span>
 <span id="L625" class="LineNr">625 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L626" class="LineNr">626 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number-of-instructions&quot;</span><span class="Delimiter">,</span> NUMBER_OF_INSTRUCTIONS<span class="Delimiter">);</span>
+<span id="L626" class="LineNr">626 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number-of-instructions&quot;</span><span class="Delimiter">,</span> NUMBER_OF_INSTRUCTIONS<span class="Delimiter">);</span>
 <span id="L627" class="LineNr">627 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L628" class="LineNr">628 </span><span class="Normal">case</span> NUMBER_OF_INSTRUCTIONS: <span class="Delimiter">{</span>
-<span id="L629" class="LineNr">629 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L629" class="LineNr">629 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L630" class="LineNr">630 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'number-of-instructions' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L631" class="LineNr">631 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L632" class="LineNr">632 </span>  <span class="Delimiter">}</span>
@@ -705,7 +705,7 @@ if ('onhashchange' in window) {
 <span id="L640" class="LineNr">640 </span><span class="Normal">case</span> NUMBER_OF_INSTRUCTIONS: <span class="Delimiter">{</span>
 <span id="L641" class="LineNr">641 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L642" class="LineNr">642 </span>  <span class="Normal">int</span> result = -<span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L643" class="LineNr">643 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L643" class="LineNr">643 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L644" class="LineNr">644 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L645" class="LineNr">645 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result = Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>instructions_run<span class="Delimiter">;</span>
 <span id="L646" class="LineNr">646 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/073wait.cc.html b/html/073wait.cc.html
index a9aa6847..8046c996 100644
--- a/html/073wait.cc.html
+++ b/html/073wait.cc.html
@@ -110,14 +110,14 @@ if ('onhashchange' in window) {
 <span id="L45" class="LineNr"> 45 </span>  <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;some routines died with errors</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L46" class="LineNr"> 46 </span><span class="Delimiter">:(code)</span>
 <span id="L47" class="LineNr"> 47 </span><span class="Normal">bool</span> <a href='073wait.cc.html#L47'>any_routines_waiting</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L48" class="LineNr"> 48 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L48" class="LineNr"> 48 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == WAITING<span class="Delimiter">)</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Delimiter">}</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L53" class="LineNr"> 53 </span><span class="Delimiter">}</span>
 <span id="L54" class="LineNr"> 54 </span><span class="Normal">void</span> <a href='073wait.cc.html#L54'>dump_waiting_routines</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == WAITING<span class="Delimiter">)</span>
 <span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; i &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; <a href='072scheduler.cc.html#L107'>routine_label</a><span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L58" class="LineNr"> 58 </span>  <span class="Delimiter">}</span>
@@ -139,10 +139,10 @@ if ('onhashchange' in window) {
 <span id="L74" class="LineNr"> 74 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L75" class="LineNr"> 75 </span>WAIT_FOR_RESET_THEN_SET<span class="Delimiter">,</span>
 <span id="L76" class="LineNr"> 76 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L77" class="LineNr"> 77 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-reset-then-set&quot;</span><span class="Delimiter">,</span> WAIT_FOR_RESET_THEN_SET<span class="Delimiter">);</span>
+<span id="L77" class="LineNr"> 77 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-reset-then-set&quot;</span><span class="Delimiter">,</span> WAIT_FOR_RESET_THEN_SET<span class="Delimiter">);</span>
 <span id="L78" class="LineNr"> 78 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L79" class="LineNr"> 79 </span><span class="Normal">case</span> WAIT_FOR_RESET_THEN_SET: <span class="Delimiter">{</span>
-<span id="L80" class="LineNr"> 80 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'wait-for-reset-then-set' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Delimiter">}</span>
@@ -154,10 +154,10 @@ if ('onhashchange' in window) {
 <span id="L89" class="LineNr"> 89 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L90" class="LineNr"> 90 </span><span class="Normal">case</span> WAIT_FOR_RESET_THEN_SET: <span class="Delimiter">{</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Normal">int</span> loc = <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
-<span id="L92" class="LineNr"> 92 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;wait: *&quot;</span> &lt;&lt; loc &lt;&lt; <span class="Constant">&quot; = &quot;</span> &lt;&lt; <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L93" class="LineNr"> 93 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L92" class="LineNr"> 92 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;wait: *&quot;</span> &lt;&lt; loc &lt;&lt; <span class="Constant">&quot; = &quot;</span> &lt;&lt; <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L93" class="LineNr"> 93 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; loc &lt;&lt; <span class="Constant">&quot; is already 0; setting&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L95" class="LineNr"> 95 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L95" class="LineNr"> 95 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L97" class="LineNr"> 97 </span>  <span class="Delimiter">}</span>
 <span id="L98" class="LineNr"> 98 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;waiting for location &quot;</span> &lt;&lt; loc &lt;&lt; <span class="Constant">&quot; to reset&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -170,10 +170,10 @@ if ('onhashchange' in window) {
 <span id="L105" class="LineNr">105 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L106" class="LineNr">106 </span>RESET<span class="Delimiter">,</span>
 <span id="L107" class="LineNr">107 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L108" class="LineNr">108 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;reset&quot;</span><span class="Delimiter">,</span> RESET<span class="Delimiter">);</span>
+<span id="L108" class="LineNr">108 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;reset&quot;</span><span class="Delimiter">,</span> RESET<span class="Delimiter">);</span>
 <span id="L109" class="LineNr">109 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L110" class="LineNr">110 </span><span class="Normal">case</span> RESET: <span class="Delimiter">{</span>
-<span id="L111" class="LineNr">111 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L111" class="LineNr">111 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L112" class="LineNr">112 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'reset' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L113" class="LineNr">113 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L114" class="LineNr">114 </span>  <span class="Delimiter">}</span>
@@ -185,20 +185,20 @@ if ('onhashchange' in window) {
 <span id="L120" class="LineNr">120 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L121" class="LineNr">121 </span><span class="Normal">case</span> RESET: <span class="Delimiter">{</span>
 <span id="L122" class="LineNr">122 </span>  <span class="Normal">int</span> loc = <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
-<span id="L123" class="LineNr">123 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L124" class="LineNr">124 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;reset: *&quot;</span> &lt;&lt; loc &lt;&lt; <span class="Constant">&quot; = &quot;</span> &lt;&lt; <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L123" class="LineNr">123 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L124" class="LineNr">124 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;reset: *&quot;</span> &lt;&lt; loc &lt;&lt; <span class="Constant">&quot; = &quot;</span> &lt;&lt; <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L125" class="LineNr">125 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L126" class="LineNr">126 </span><span class="Delimiter">}</span>
 <span id="L127" class="LineNr">127 </span>
 <span id="L128" class="LineNr">128 </span><span class="Comment">//: scheduler tweak to get routines out of that state</span>
 <span id="L129" class="LineNr">129 </span>
 <span id="L130" class="LineNr">130 </span><span class="Delimiter">:(before &quot;End Scheduler State Transitions&quot;)</span>
-<span id="L131" class="LineNr">131 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L131" class="LineNr">131 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L132" class="LineNr">132 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state != WAITING<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Normal">int</span> loc = Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>waiting_on_location<span class="Delimiter">;</span>
-<span id="L134" class="LineNr">134 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>loc &amp;&amp; <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L134" class="LineNr">134 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>loc &amp;&amp; <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L135" class="LineNr">135 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;schedule&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;waking up routine &quot;</span> &lt;&lt; Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> loc<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L137" class="LineNr">137 </span>  <span class="Conceal">¦</span> Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state = <a href='072scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">;</span>
 <span id="L138" class="LineNr">138 </span>  <span class="Conceal">¦</span> Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>waiting_on_location = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L139" class="LineNr">139 </span>  <span class="Delimiter">}</span>
@@ -219,10 +219,10 @@ if ('onhashchange' in window) {
 <span id="L154" class="LineNr">154 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L155" class="LineNr">155 </span>GET_LOCATION<span class="Delimiter">,</span>
 <span id="L156" class="LineNr">156 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L157" class="LineNr">157 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;get-location&quot;</span><span class="Delimiter">,</span> GET_LOCATION<span class="Delimiter">);</span>
+<span id="L157" class="LineNr">157 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;get-location&quot;</span><span class="Delimiter">,</span> GET_LOCATION<span class="Delimiter">);</span>
 <span id="L158" class="LineNr">158 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L159" class="LineNr">159 </span><span class="Normal">case</span> GET_LOCATION: <span class="Delimiter">{</span>
-<span id="L160" class="LineNr">160 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L160" class="LineNr">160 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L161" class="LineNr">161 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'get-location' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L162" class="LineNr">162 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L163" class="LineNr">163 </span>  <span class="Delimiter">}</span>
@@ -247,7 +247,7 @@ if ('onhashchange' in window) {
 <span id="L182" class="LineNr">182 </span>  <span class="Comment">//: later layers will permit non-integer offsets</span>
 <span id="L183" class="LineNr">183 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='002test.cc.html#L86'>is_integer</a><span class="Delimiter">(</span>offset<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L184" class="LineNr">184 </span>  <span class="Conceal">¦</span> offset_value = <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>offset<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
-<span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &lt; <span class="Constant">0</span> || offset_value &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &lt; <span class="Constant">0</span> || offset_value &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;invalid offset &quot;</span> &lt;&lt; offset_value &lt;&lt; <span class="Constant">&quot; for '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L187" class="LineNr">187 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L188" class="LineNr">188 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -273,7 +273,7 @@ if ('onhashchange' in window) {
 <span id="L208" class="LineNr">208 </span>  <span class="Delimiter">}</span>
 <span id="L209" class="LineNr">209 </span>  <span class="Normal">const</span> type_tree* base_type = get_base_type<span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
 <span id="L210" class="LineNr">210 </span>  <span class="Normal">int</span> offset = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L211" class="LineNr">211 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset &lt; <span class="Constant">0</span> || offset &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// copied from Check above</span>
+<span id="L211" class="LineNr">211 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset &lt; <span class="Constant">0</span> || offset &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// copied from Check above</span>
 <span id="L212" class="LineNr">212 </span>  <span class="Normal">int</span> result = base_address<span class="Delimiter">;</span>
 <span id="L213" class="LineNr">213 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; offset<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span>
 <span id="L214" class="LineNr">214 </span>  <span class="Conceal">¦</span> result += size_of<span class="Delimiter">(</span><a href='030container.cc.html#L430'>element_type</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">,</span> i<span class="Delimiter">));</span>
@@ -386,10 +386,10 @@ if ('onhashchange' in window) {
 <span id="L321" class="LineNr">321 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L322" class="LineNr">322 </span>WAIT_FOR_ROUTINE<span class="Delimiter">,</span>
 <span id="L323" class="LineNr">323 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L324" class="LineNr">324 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-routine&quot;</span><span class="Delimiter">,</span> WAIT_FOR_ROUTINE<span class="Delimiter">);</span>
+<span id="L324" class="LineNr">324 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-routine&quot;</span><span class="Delimiter">,</span> WAIT_FOR_ROUTINE<span class="Delimiter">);</span>
 <span id="L325" class="LineNr">325 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L326" class="LineNr">326 </span><span class="Normal">case</span> WAIT_FOR_ROUTINE: <span class="Delimiter">{</span>
-<span id="L327" class="LineNr">327 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L327" class="LineNr">327 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L328" class="LineNr">328 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'wait-for-routine' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L329" class="LineNr">329 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L330" class="LineNr">330 </span>  <span class="Delimiter">}</span>
@@ -415,13 +415,13 @@ if ('onhashchange' in window) {
 <span id="L350" class="LineNr">350 </span><span class="Comment">// Wake up any routines waiting for other routines to complete.</span>
 <span id="L351" class="LineNr">351 </span><span class="Comment">// Important: this must come after the scheduler loop above giving routines</span>
 <span id="L352" class="LineNr">352 </span><span class="Comment">// waiting for locations to change a chance to wake up.</span>
-<span id="L353" class="LineNr">353 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L353" class="LineNr">353 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L354" class="LineNr">354 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state != WAITING<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L355" class="LineNr">355 </span>  routine* waiter = Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L356" class="LineNr">356 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!waiter<span class="Delimiter">-&gt;</span>waiting_on_routine<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L357" class="LineNr">357 </span>  <span class="Normal">int</span> id = waiter<span class="Delimiter">-&gt;</span>waiting_on_routine<span class="Delimiter">;</span>
 <span id="L358" class="LineNr">358 </span>  assert<span class="Delimiter">(</span>id != waiter<span class="Delimiter">-&gt;</span>id<span class="Delimiter">);</span>  <span class="Comment">// routine can't wait on itself</span>
-<span id="L359" class="LineNr">359 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L359" class="LineNr">359 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L360" class="LineNr">360 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> routine* waitee = Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span>
 <span id="L361" class="LineNr">361 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>waitee<span class="Delimiter">-&gt;</span>id == id &amp;&amp; waitee<span class="Delimiter">-&gt;</span>state != <a href='072scheduler.cc.html#L41'>RUNNING</a> &amp;&amp; waitee<span class="Delimiter">-&gt;</span>state != WAITING<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L362" class="LineNr">362 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// routine is COMPLETED or DISCONTINUED</span>
@@ -437,7 +437,7 @@ if ('onhashchange' in window) {
 <span id="L372" class="LineNr">372 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L373" class="LineNr">373 </span>SWITCH<span class="Delimiter">,</span>
 <span id="L374" class="LineNr">374 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L375" class="LineNr">375 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;switch&quot;</span><span class="Delimiter">,</span> SWITCH<span class="Delimiter">);</span>
+<span id="L375" class="LineNr">375 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;switch&quot;</span><span class="Delimiter">,</span> SWITCH<span class="Delimiter">);</span>
 <span id="L376" class="LineNr">376 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L377" class="LineNr">377 </span><span class="Normal">case</span> SWITCH: <span class="Delimiter">{</span>
 <span id="L378" class="LineNr">378 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -485,7 +485,7 @@ if ('onhashchange' in window) {
 <span id="L420" class="LineNr">420 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L421" class="LineNr">421 </span>CURRENT_ROUTINE_IS_BLOCKED<span class="Delimiter">,</span>
 <span id="L422" class="LineNr">422 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L423" class="LineNr">423 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;current-routine-is-blocked&quot;</span><span class="Delimiter">,</span> CURRENT_ROUTINE_IS_BLOCKED<span class="Delimiter">);</span>
+<span id="L423" class="LineNr">423 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;current-routine-is-blocked&quot;</span><span class="Delimiter">,</span> CURRENT_ROUTINE_IS_BLOCKED<span class="Delimiter">);</span>
 <span id="L424" class="LineNr">424 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L425" class="LineNr">425 </span><span class="Normal">case</span> CURRENT_ROUTINE_IS_BLOCKED: <span class="Delimiter">{</span>
 <span id="L426" class="LineNr">426 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -503,7 +503,7 @@ if ('onhashchange' in window) {
 <span id="L438" class="LineNr">438 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L439" class="LineNr">439 </span>CURRENT_ROUTINE_IS_UNBLOCKED<span class="Delimiter">,</span>
 <span id="L440" class="LineNr">440 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L441" class="LineNr">441 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;current-routine-is-unblocked&quot;</span><span class="Delimiter">,</span> CURRENT_ROUTINE_IS_UNBLOCKED<span class="Delimiter">);</span>
+<span id="L441" class="LineNr">441 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;current-routine-is-unblocked&quot;</span><span class="Delimiter">,</span> CURRENT_ROUTINE_IS_UNBLOCKED<span class="Delimiter">);</span>
 <span id="L442" class="LineNr">442 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L443" class="LineNr">443 </span><span class="Normal">case</span> CURRENT_ROUTINE_IS_UNBLOCKED: <span class="Delimiter">{</span>
 <span id="L444" class="LineNr">444 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -548,10 +548,10 @@ if ('onhashchange' in window) {
 <span id="L483" class="LineNr">483 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L484" class="LineNr">484 </span>WAIT_FOR_ROUTINE_TO_BLOCK<span class="Delimiter">,</span>
 <span id="L485" class="LineNr">485 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L486" class="LineNr">486 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-routine-to-block&quot;</span><span class="Delimiter">,</span> WAIT_FOR_ROUTINE_TO_BLOCK<span class="Delimiter">);</span>
+<span id="L486" class="LineNr">486 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-routine-to-block&quot;</span><span class="Delimiter">,</span> WAIT_FOR_ROUTINE_TO_BLOCK<span class="Delimiter">);</span>
 <span id="L487" class="LineNr">487 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L488" class="LineNr">488 </span><span class="Normal">case</span> WAIT_FOR_ROUTINE_TO_BLOCK: <span class="Delimiter">{</span>
-<span id="L489" class="LineNr">489 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L489" class="LineNr">489 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L490" class="LineNr">490 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'wait-for-routine-to-block' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L491" class="LineNr">491 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L492" class="LineNr">492 </span>  <span class="Delimiter">}</span>
@@ -575,13 +575,13 @@ if ('onhashchange' in window) {
 <span id="L510" class="LineNr">510 </span>
 <span id="L511" class="LineNr">511 </span><span class="Delimiter">:(before &quot;End Scheduler State Transitions&quot;)</span>
 <span id="L512" class="LineNr">512 </span><span class="Comment">// Wake up any routines waiting for other routines to stop running.</span>
-<span id="L513" class="LineNr">513 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L513" class="LineNr">513 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L514" class="LineNr">514 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state != WAITING<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L515" class="LineNr">515 </span>  routine* waiter = Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L516" class="LineNr">516 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!waiter<span class="Delimiter">-&gt;</span>waiting_on_routine_to_block<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L517" class="LineNr">517 </span>  <span class="Normal">int</span> id = waiter<span class="Delimiter">-&gt;</span>waiting_on_routine_to_block<span class="Delimiter">;</span>
 <span id="L518" class="LineNr">518 </span>  assert<span class="Delimiter">(</span>id != waiter<span class="Delimiter">-&gt;</span>id<span class="Delimiter">);</span>  <span class="Comment">// routine can't wait on itself</span>
-<span id="L519" class="LineNr">519 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L519" class="LineNr">519 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L520" class="LineNr">520 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> routine* waitee = Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span>
 <span id="L521" class="LineNr">521 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>waitee<span class="Delimiter">-&gt;</span>id != id<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L522" class="LineNr">522 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>waitee<span class="Delimiter">-&gt;</span>state != <a href='072scheduler.cc.html#L41'>RUNNING</a> || waitee<span class="Delimiter">-&gt;</span>blocked<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -597,10 +597,10 @@ if ('onhashchange' in window) {
 <span id="L532" class="LineNr">532 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L533" class="LineNr">533 </span>RESTART<span class="Delimiter">,</span>
 <span id="L534" class="LineNr">534 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L535" class="LineNr">535 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;restart&quot;</span><span class="Delimiter">,</span> RESTART<span class="Delimiter">);</span>
+<span id="L535" class="LineNr">535 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;restart&quot;</span><span class="Delimiter">,</span> RESTART<span class="Delimiter">);</span>
 <span id="L536" class="LineNr">536 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L537" class="LineNr">537 </span><span class="Normal">case</span> RESTART: <span class="Delimiter">{</span>
-<span id="L538" class="LineNr">538 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L538" class="LineNr">538 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L539" class="LineNr">539 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'restart' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L540" class="LineNr">540 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L541" class="LineNr">541 </span>  <span class="Delimiter">}</span>
@@ -613,7 +613,7 @@ if ('onhashchange' in window) {
 <span id="L548" class="LineNr">548 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L549" class="LineNr">549 </span><span class="Normal">case</span> RESTART: <span class="Delimiter">{</span>
 <span id="L550" class="LineNr">550 </span>  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L551" class="LineNr">551 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L551" class="LineNr">551 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Routines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L552" class="LineNr">552 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L553" class="LineNr">553 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == WAITING<span class="Delimiter">)</span>
 <span id="L554" class="LineNr">554 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state = <a href='072scheduler.cc.html#L41'>RUNNING</a><span class="Delimiter">;</span>
diff --git a/html/074deep_copy.cc.html b/html/074deep_copy.cc.html
index 3afe2120..1c9770b4 100644
--- a/html/074deep_copy.cc.html
+++ b/html/074deep_copy.cc.html
@@ -255,14 +255,14 @@ if ('onhashchange' in window) {
 <span id="L191" class="LineNr">191 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L192" class="LineNr">192 </span>DEEP_COPY<span class="Delimiter">,</span>
 <span id="L193" class="LineNr">193 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L194" class="LineNr">194 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;deep-copy&quot;</span><span class="Delimiter">,</span> DEEP_COPY<span class="Delimiter">);</span>
+<span id="L194" class="LineNr">194 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;deep-copy&quot;</span><span class="Delimiter">,</span> DEEP_COPY<span class="Delimiter">);</span>
 <span id="L195" class="LineNr">195 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L196" class="LineNr">196 </span><span class="Normal">case</span> DEEP_COPY: <span class="Delimiter">{</span>
-<span id="L197" class="LineNr">197 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L197" class="LineNr">197 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'deep-copy' takes exactly one ingredient rather than '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Delimiter">}</span>
-<span id="L201" class="LineNr">201 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L201" class="LineNr">201 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L202" class="LineNr">202 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'deep-copy' takes exactly one ingredient rather than '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L204" class="LineNr">204 </span>  <span class="Delimiter">}</span>
@@ -315,7 +315,7 @@ if ('onhashchange' in window) {
 <span id="L251" class="LineNr">251 </span>  <span class="Delimiter">}</span>
 <span id="L252" class="LineNr">252 </span>  <span class="Normal">int</span> out = allocate<span class="Delimiter">(</span><a href='036refcount.cc.html#L93'>payload_size</a><span class="Delimiter">(</span>canonized_in<span class="Delimiter">));</span>
 <span id="L253" class="LineNr">253 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;deep-copy: new <a href='043space.cc.html#L76'>address</a> is &quot;</span> &lt;&lt; out &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L254" class="LineNr">254 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>addresses_copied<span class="Delimiter">,</span> in_address<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L254" class="LineNr">254 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>addresses_copied<span class="Delimiter">,</span> in_address<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
 <span id="L255" class="LineNr">255 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> payload = canonized_in<span class="Delimiter">;</span>
 <span id="L256" class="LineNr">256 </span>  payload<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span><span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
 <span id="L257" class="LineNr">257 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;recursing on payload &quot;</span> &lt;&lt; payload<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>payload<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -324,7 +324,7 @@ if ('onhashchange' in window) {
 <span id="L260" class="LineNr">260 </span>  <span class="Comment">// HACK: write_memory interface isn't ideal for this situation; we need</span>
 <span id="L261" class="LineNr">261 </span>  <span class="Comment">// a temporary location to help copy the payload.</span>
 <span id="L262" class="LineNr">262 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;deep-copy: writing temporary &quot;</span> &lt;&lt; tmp<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; out &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L263" class="LineNr">263 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> tmp<span class="Delimiter">.</span>value<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L263" class="LineNr">263 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> tmp<span class="Delimiter">.</span>value<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
 <span id="L264" class="LineNr">264 </span>  payload<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>tmp<span class="Delimiter">.</span>value<span class="Delimiter">);</span>  <span class="Comment">// now modified for output</span>
 <span id="L265" class="LineNr">265 </span>  vector&lt;<span class="Normal">double</span>&gt; old_data = read_memory<span class="Delimiter">(</span>payload<span class="Delimiter">);</span>
 <span id="L266" class="LineNr">266 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;deep-copy: really writing to &quot;</span> &lt;&lt; payload<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>payload<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; (old value &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>old_data<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; new value &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>data<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;)&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -438,8 +438,8 @@ if ('onhashchange' in window) {
 <span id="L374" class="LineNr">374 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L375" class="LineNr">375 </span>  local-scope
 <span id="L376" class="LineNr">376 </span>  <span class="Normal">x</span>:&amp;:foo<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">foo:type</span>
-<span id="L377" class="LineNr">377 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">p:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L378" class="LineNr">378 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L218'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">q:offset</span><span class="Delimiter">,</span> x  <span class="Comment"># create a cycle</span>
+<span id="L377" class="LineNr">377 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">p:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L378" class="LineNr">378 </span>  *x<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">q:offset</span><span class="Delimiter">,</span> x  <span class="Comment"># create a cycle</span>
 <span id="L379" class="LineNr">379 </span>  <span class="Normal">y</span>:&amp;:foo<span class="Special"> &lt;- </span>deep-copy x
 <span id="L380" class="LineNr">380 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>get *y<span class="Delimiter">,</span> <span class="Constant">p:offset</span>
 <span id="L381" class="LineNr">381 </span>  <span class="Normal">y2</span>:&amp;:foo<span class="Special"> &lt;- </span>get *y<span class="Delimiter">,</span> <span class="Constant">q:offset</span>
diff --git a/html/080display.cc.html b/html/080display.cc.html
index 556b88dd..1a16646e 100644
--- a/html/080display.cc.html
+++ b/html/080display.cc.html
@@ -91,7 +91,7 @@ if ('onhashchange' in window) {
 <span id="L29" class="LineNr"> 29 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L30" class="LineNr"> 30 </span>OPEN_CONSOLE<span class="Delimiter">,</span>
 <span id="L31" class="LineNr"> 31 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L32" class="LineNr"> 32 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;open-console&quot;</span><span class="Delimiter">,</span> OPEN_CONSOLE<span class="Delimiter">);</span>
+<span id="L32" class="LineNr"> 32 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;open-console&quot;</span><span class="Delimiter">,</span> OPEN_CONSOLE<span class="Delimiter">);</span>
 <span id="L33" class="LineNr"> 33 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L34" class="LineNr"> 34 </span><span class="Normal">case</span> OPEN_CONSOLE: <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -114,7 +114,7 @@ if ('onhashchange' in window) {
 <span id="L52" class="LineNr"> 52 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L53" class="LineNr"> 53 </span>CLOSE_CONSOLE<span class="Delimiter">,</span>
 <span id="L54" class="LineNr"> 54 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L55" class="LineNr"> 55 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;close-console&quot;</span><span class="Delimiter">,</span> CLOSE_CONSOLE<span class="Delimiter">);</span>
+<span id="L55" class="LineNr"> 55 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;close-console&quot;</span><span class="Delimiter">,</span> CLOSE_CONSOLE<span class="Delimiter">);</span>
 <span id="L56" class="LineNr"> 56 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L57" class="LineNr"> 57 </span><span class="Normal">case</span> CLOSE_CONSOLE: <span class="Delimiter">{</span>
 <span id="L58" class="LineNr"> 58 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -132,7 +132,7 @@ if ('onhashchange' in window) {
 <span id="L70" class="LineNr"> 70 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L71" class="LineNr"> 71 </span>CLEAR_DISPLAY<span class="Delimiter">,</span>
 <span id="L72" class="LineNr"> 72 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L73" class="LineNr"> 73 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;clear-display&quot;</span><span class="Delimiter">,</span> CLEAR_DISPLAY<span class="Delimiter">);</span>
+<span id="L73" class="LineNr"> 73 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;clear-display&quot;</span><span class="Delimiter">,</span> CLEAR_DISPLAY<span class="Delimiter">);</span>
 <span id="L74" class="LineNr"> 74 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L75" class="LineNr"> 75 </span><span class="Normal">case</span> CLEAR_DISPLAY: <span class="Delimiter">{</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -148,7 +148,7 @@ if ('onhashchange' in window) {
 <span id="L86" class="LineNr"> 86 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L87" class="LineNr"> 87 </span>PRINT_CHARACTER_TO_DISPLAY<span class="Delimiter">,</span>
 <span id="L88" class="LineNr"> 88 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L89" class="LineNr"> 89 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;print-character-to-display&quot;</span><span class="Delimiter">,</span> PRINT_CHARACTER_TO_DISPLAY<span class="Delimiter">);</span>
+<span id="L89" class="LineNr"> 89 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;print-character-to-display&quot;</span><span class="Delimiter">,</span> PRINT_CHARACTER_TO_DISPLAY<span class="Delimiter">);</span>
 <span id="L90" class="LineNr"> 90 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L91" class="LineNr"> 91 </span><span class="Normal">case</span> PRINT_CHARACTER_TO_DISPLAY: <span class="Delimiter">{</span>
 <span id="L92" class="LineNr"> 92 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -159,13 +159,13 @@ if ('onhashchange' in window) {
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'print-character-to-display' should be a character, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L99" class="LineNr"> 99 </span>  <span class="Delimiter">}</span>
-<span id="L100" class="LineNr">100 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L100" class="LineNr">100 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L101" class="LineNr">101 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'print-character-to-display' should be a foreground color number, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L105" class="LineNr">105 </span>  <span class="Delimiter">}</span>
-<span id="L106" class="LineNr">106 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L106" class="LineNr">106 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L107" class="LineNr">107 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L108" class="LineNr">108 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;third ingredient of 'print-character-to-display' should be a background color number, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L109" class="LineNr">109 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -181,11 +181,11 @@ if ('onhashchange' in window) {
 <span id="L119" class="LineNr">119 </span>  <span class="Normal">int</span> width = <span class="Delimiter">(</span>w &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? w : <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L120" class="LineNr">120 </span>  <span class="Normal">int</span> c = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L121" class="LineNr">121 </span>  <span class="Normal">int</span> color = TB_BLACK<span class="Delimiter">;</span>
-<span id="L122" class="LineNr">122 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L122" class="LineNr">122 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L123" class="LineNr">123 </span>  <span class="Conceal">¦</span> color = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L124" class="LineNr">124 </span>  <span class="Delimiter">}</span>
 <span id="L125" class="LineNr">125 </span>  <span class="Normal">int</span> bg_color = TB_BLACK<span class="Delimiter">;</span>
-<span id="L126" class="LineNr">126 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L126" class="LineNr">126 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L127" class="LineNr">127 </span>  <span class="Conceal">¦</span> bg_color = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L128" class="LineNr">128 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>bg_color == <span class="Constant">0</span><span class="Delimiter">)</span> bg_color = TB_BLACK<span class="Delimiter">;</span>
 <span id="L129" class="LineNr">129 </span>  <span class="Delimiter">}</span>
@@ -213,7 +213,7 @@ if ('onhashchange' in window) {
 <span id="L151" class="LineNr">151 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L152" class="LineNr">152 </span>CURSOR_POSITION_ON_DISPLAY<span class="Delimiter">,</span>
 <span id="L153" class="LineNr">153 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L154" class="LineNr">154 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;cursor-position-on-display&quot;</span><span class="Delimiter">,</span> CURSOR_POSITION_ON_DISPLAY<span class="Delimiter">);</span>
+<span id="L154" class="LineNr">154 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;cursor-position-on-display&quot;</span><span class="Delimiter">,</span> CURSOR_POSITION_ON_DISPLAY<span class="Delimiter">);</span>
 <span id="L155" class="LineNr">155 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L156" class="LineNr">156 </span><span class="Normal">case</span> CURSOR_POSITION_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L157" class="LineNr">157 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -230,10 +230,10 @@ if ('onhashchange' in window) {
 <span id="L168" class="LineNr">168 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L169" class="LineNr">169 </span>MOVE_CURSOR_ON_DISPLAY<span class="Delimiter">,</span>
 <span id="L170" class="LineNr">170 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L171" class="LineNr">171 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_ON_DISPLAY<span class="Delimiter">);</span>
+<span id="L171" class="LineNr">171 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_ON_DISPLAY<span class="Delimiter">);</span>
 <span id="L172" class="LineNr">172 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L173" class="LineNr">173 </span><span class="Normal">case</span> MOVE_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
-<span id="L174" class="LineNr">174 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L174" class="LineNr">174 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'move-cursor-on-display' requires two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Delimiter">}</span>
@@ -259,7 +259,7 @@ if ('onhashchange' in window) {
 <span id="L197" class="LineNr">197 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L198" class="LineNr">198 </span>MOVE_CURSOR_DOWN_ON_DISPLAY<span class="Delimiter">,</span>
 <span id="L199" class="LineNr">199 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L200" class="LineNr">200 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-down-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_DOWN_ON_DISPLAY<span class="Delimiter">);</span>
+<span id="L200" class="LineNr">200 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-down-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_DOWN_ON_DISPLAY<span class="Delimiter">);</span>
 <span id="L201" class="LineNr">201 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L202" class="LineNr">202 </span><span class="Normal">case</span> MOVE_CURSOR_DOWN_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -279,7 +279,7 @@ if ('onhashchange' in window) {
 <span id="L217" class="LineNr">217 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L218" class="LineNr">218 </span>MOVE_CURSOR_UP_ON_DISPLAY<span class="Delimiter">,</span>
 <span id="L219" class="LineNr">219 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L220" class="LineNr">220 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-up-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_UP_ON_DISPLAY<span class="Delimiter">);</span>
+<span id="L220" class="LineNr">220 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-up-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_UP_ON_DISPLAY<span class="Delimiter">);</span>
 <span id="L221" class="LineNr">221 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L222" class="LineNr">222 </span><span class="Normal">case</span> MOVE_CURSOR_UP_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L223" class="LineNr">223 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -297,7 +297,7 @@ if ('onhashchange' in window) {
 <span id="L235" class="LineNr">235 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L236" class="LineNr">236 </span>MOVE_CURSOR_RIGHT_ON_DISPLAY<span class="Delimiter">,</span>
 <span id="L237" class="LineNr">237 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L238" class="LineNr">238 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-right-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_RIGHT_ON_DISPLAY<span class="Delimiter">);</span>
+<span id="L238" class="LineNr">238 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-right-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_RIGHT_ON_DISPLAY<span class="Delimiter">);</span>
 <span id="L239" class="LineNr">239 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L240" class="LineNr">240 </span><span class="Normal">case</span> MOVE_CURSOR_RIGHT_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L241" class="LineNr">241 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -317,7 +317,7 @@ if ('onhashchange' in window) {
 <span id="L255" class="LineNr">255 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L256" class="LineNr">256 </span>MOVE_CURSOR_LEFT_ON_DISPLAY<span class="Delimiter">,</span>
 <span id="L257" class="LineNr">257 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L258" class="LineNr">258 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-left-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_LEFT_ON_DISPLAY<span class="Delimiter">);</span>
+<span id="L258" class="LineNr">258 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;move-cursor-left-on-display&quot;</span><span class="Delimiter">,</span> MOVE_CURSOR_LEFT_ON_DISPLAY<span class="Delimiter">);</span>
 <span id="L259" class="LineNr">259 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L260" class="LineNr">260 </span><span class="Normal">case</span> MOVE_CURSOR_LEFT_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L261" class="LineNr">261 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -348,7 +348,7 @@ if ('onhashchange' in window) {
 <span id="L286" class="LineNr">286 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L287" class="LineNr">287 </span>DISPLAY_WIDTH<span class="Delimiter">,</span>
 <span id="L288" class="LineNr">288 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L289" class="LineNr">289 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;display-width&quot;</span><span class="Delimiter">,</span> DISPLAY_WIDTH<span class="Delimiter">);</span>
+<span id="L289" class="LineNr">289 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;display-width&quot;</span><span class="Delimiter">,</span> DISPLAY_WIDTH<span class="Delimiter">);</span>
 <span id="L290" class="LineNr">290 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L291" class="LineNr">291 </span><span class="Normal">case</span> DISPLAY_WIDTH: <span class="Delimiter">{</span>
 <span id="L292" class="LineNr">292 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -364,7 +364,7 @@ if ('onhashchange' in window) {
 <span id="L302" class="LineNr">302 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L303" class="LineNr">303 </span>DISPLAY_HEIGHT<span class="Delimiter">,</span>
 <span id="L304" class="LineNr">304 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L305" class="LineNr">305 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;display-height&quot;</span><span class="Delimiter">,</span> DISPLAY_HEIGHT<span class="Delimiter">);</span>
+<span id="L305" class="LineNr">305 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;display-height&quot;</span><span class="Delimiter">,</span> DISPLAY_HEIGHT<span class="Delimiter">);</span>
 <span id="L306" class="LineNr">306 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L307" class="LineNr">307 </span><span class="Normal">case</span> DISPLAY_HEIGHT: <span class="Delimiter">{</span>
 <span id="L308" class="LineNr">308 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -382,7 +382,7 @@ if ('onhashchange' in window) {
 <span id="L320" class="LineNr">320 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L321" class="LineNr">321 </span>WAIT_FOR_SOME_INTERACTION<span class="Delimiter">,</span>
 <span id="L322" class="LineNr">322 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L323" class="LineNr">323 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-some-interaction&quot;</span><span class="Delimiter">,</span> WAIT_FOR_SOME_INTERACTION<span class="Delimiter">);</span>
+<span id="L323" class="LineNr">323 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;wait-for-some-interaction&quot;</span><span class="Delimiter">,</span> WAIT_FOR_SOME_INTERACTION<span class="Delimiter">);</span>
 <span id="L324" class="LineNr">324 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L325" class="LineNr">325 </span><span class="Normal">case</span> WAIT_FOR_SOME_INTERACTION: <span class="Delimiter">{</span>
 <span id="L326" class="LineNr">326 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -398,7 +398,7 @@ if ('onhashchange' in window) {
 <span id="L336" class="LineNr">336 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L337" class="LineNr">337 </span>CHECK_FOR_INTERACTION<span class="Delimiter">,</span>
 <span id="L338" class="LineNr">338 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L339" class="LineNr">339 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;check-for-interaction&quot;</span><span class="Delimiter">,</span> CHECK_FOR_INTERACTION<span class="Delimiter">);</span>
+<span id="L339" class="LineNr">339 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;check-for-interaction&quot;</span><span class="Delimiter">,</span> CHECK_FOR_INTERACTION<span class="Delimiter">);</span>
 <span id="L340" class="LineNr">340 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L341" class="LineNr">341 </span><span class="Normal">case</span> CHECK_FOR_INTERACTION: <span class="Delimiter">{</span>
 <span id="L342" class="LineNr">342 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -472,7 +472,7 @@ if ('onhashchange' in window) {
 <span id="L410" class="LineNr">410 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L411" class="LineNr">411 </span>INTERACTIONS_LEFT<span class="Delimiter">,</span>
 <span id="L412" class="LineNr">412 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L413" class="LineNr">413 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;interactions-left?&quot;</span><span class="Delimiter">,</span> INTERACTIONS_LEFT<span class="Delimiter">);</span>
+<span id="L413" class="LineNr">413 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;interactions-left?&quot;</span><span class="Delimiter">,</span> INTERACTIONS_LEFT<span class="Delimiter">);</span>
 <span id="L414" class="LineNr">414 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L415" class="LineNr">415 </span><span class="Normal">case</span> INTERACTIONS_LEFT: <span class="Delimiter">{</span>
 <span id="L416" class="LineNr">416 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -490,7 +490,7 @@ if ('onhashchange' in window) {
 <span id="L428" class="LineNr">428 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L429" class="LineNr">429 </span>CLEAR_LINE_ON_DISPLAY<span class="Delimiter">,</span>
 <span id="L430" class="LineNr">430 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L431" class="LineNr">431 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;clear-line-on-display&quot;</span><span class="Delimiter">,</span> CLEAR_LINE_ON_DISPLAY<span class="Delimiter">);</span>
+<span id="L431" class="LineNr">431 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;clear-line-on-display&quot;</span><span class="Delimiter">,</span> CLEAR_LINE_ON_DISPLAY<span class="Delimiter">);</span>
 <span id="L432" class="LineNr">432 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L433" class="LineNr">433 </span><span class="Normal">case</span> CLEAR_LINE_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L434" class="LineNr">434 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -508,7 +508,7 @@ if ('onhashchange' in window) {
 <span id="L446" class="LineNr">446 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L447" class="LineNr">447 </span>CLEAR_DISPLAY_FROM<span class="Delimiter">,</span>
 <span id="L448" class="LineNr">448 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L449" class="LineNr">449 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;clear-display-from&quot;</span><span class="Delimiter">,</span> CLEAR_DISPLAY_FROM<span class="Delimiter">);</span>
+<span id="L449" class="LineNr">449 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;clear-display-from&quot;</span><span class="Delimiter">,</span> CLEAR_DISPLAY_FROM<span class="Delimiter">);</span>
 <span id="L450" class="LineNr">450 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L451" class="LineNr">451 </span><span class="Normal">case</span> CLEAR_DISPLAY_FROM: <span class="Delimiter">{</span>
 <span id="L452" class="LineNr">452 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/082scenario_screen.cc.html b/html/082scenario_screen.cc.html
index b44b2e45..a3e19dfe 100644
--- a/html/082scenario_screen.cc.html
+++ b/html/082scenario_screen.cc.html
@@ -249,10 +249,10 @@ if ('onhashchange' in window) {
 <span id="L184" class="LineNr">184 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L185" class="LineNr">185 </span>SCREEN_SHOULD_CONTAIN<span class="Delimiter">,</span>
 <span id="L186" class="LineNr">186 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L187" class="LineNr">187 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen-should-contain&quot;</span><span class="Delimiter">,</span> SCREEN_SHOULD_CONTAIN<span class="Delimiter">);</span>
+<span id="L187" class="LineNr">187 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen-should-contain&quot;</span><span class="Delimiter">,</span> SCREEN_SHOULD_CONTAIN<span class="Delimiter">);</span>
 <span id="L188" class="LineNr">188 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L189" class="LineNr">189 </span><span class="Normal">case</span> SCREEN_SHOULD_CONTAIN: <span class="Delimiter">{</span>
-<span id="L190" class="LineNr">190 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L190" class="LineNr">190 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L191" class="LineNr">191 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'screen-should-contain' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L192" class="LineNr">192 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L193" class="LineNr">193 </span>  <span class="Delimiter">}</span>
@@ -273,10 +273,10 @@ if ('onhashchange' in window) {
 <span id="L208" class="LineNr">208 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L209" class="LineNr">209 </span>SCREEN_SHOULD_CONTAIN_IN_COLOR<span class="Delimiter">,</span>
 <span id="L210" class="LineNr">210 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L211" class="LineNr">211 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen-should-contain-in-color&quot;</span><span class="Delimiter">,</span> SCREEN_SHOULD_CONTAIN_IN_COLOR<span class="Delimiter">);</span>
+<span id="L211" class="LineNr">211 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen-should-contain-in-color&quot;</span><span class="Delimiter">,</span> SCREEN_SHOULD_CONTAIN_IN_COLOR<span class="Delimiter">);</span>
 <span id="L212" class="LineNr">212 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L213" class="LineNr">213 </span><span class="Normal">case</span> SCREEN_SHOULD_CONTAIN_IN_COLOR: <span class="Delimiter">{</span>
-<span id="L214" class="LineNr">214 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L214" class="LineNr">214 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L215" class="LineNr">215 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'screen-should-contain-in-color' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L217" class="LineNr">217 </span>  <span class="Delimiter">}</span>
@@ -315,15 +315,15 @@ if ('onhashchange' in window) {
 <span id="L250" class="LineNr">250 </span>
 <span id="L251" class="LineNr">251 </span><span class="Delimiter">:(code)</span>
 <span id="L252" class="LineNr">252 </span><span class="Normal">void</span> check_screen<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; expected_contents<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">int</span> color<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L253" class="LineNr">253 </span>  <span class="Normal">int</span> screen_location = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> SCREEN<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L253" class="LineNr">253 </span>  <span class="Normal">int</span> screen_location = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> SCREEN<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L254" class="LineNr">254 </span>  <span class="Normal">int</span> data_offset = <a href='042name.cc.html#L133'>find_element_name</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;data&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L255" class="LineNr">255 </span>  assert<span class="Delimiter">(</span>data_offset &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Normal">int</span> screen_data_location = screen_location+data_offset<span class="Delimiter">;</span>  <span class="Comment">// type: address:array:character</span>
-<span id="L257" class="LineNr">257 </span>  <span class="Normal">int</span> screen_data_start = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_location<span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// type: array:character</span>
+<span id="L257" class="LineNr">257 </span>  <span class="Normal">int</span> screen_data_start = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_location<span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// type: array:character</span>
 <span id="L258" class="LineNr">258 </span>  <span class="Normal">int</span> width_offset = <a href='042name.cc.html#L133'>find_element_name</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;num-columns&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L259" class="LineNr">259 </span>  <span class="Normal">int</span> screen_width = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+width_offset<span class="Delimiter">);</span>
+<span id="L259" class="LineNr">259 </span>  <span class="Normal">int</span> screen_width = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+width_offset<span class="Delimiter">);</span>
 <span id="L260" class="LineNr">260 </span>  <span class="Normal">int</span> height_offset = <a href='042name.cc.html#L133'>find_element_name</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;num-rows&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L261" class="LineNr">261 </span>  <span class="Normal">int</span> screen_height = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+height_offset<span class="Delimiter">);</span>
+<span id="L261" class="LineNr">261 </span>  <span class="Normal">int</span> screen_height = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+height_offset<span class="Delimiter">);</span>
 <span id="L262" class="LineNr">262 </span>  raw_string_stream cursor<span class="Delimiter">(</span>expected_contents<span class="Delimiter">);</span>
 <span id="L263" class="LineNr">263 </span>  <span class="Comment">// todo: too-long expected_contents should fail</span>
 <span id="L264" class="LineNr">264 </span>  <span class="Normal">int</span> addr = screen_data_start+<span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
@@ -338,22 +338,22 @@ if ('onhashchange' in window) {
 <span id="L273" class="LineNr">273 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> column = <span class="Constant">0</span><span class="Delimiter">;</span>  column &lt; screen_width<span class="Delimiter">;</span>  ++column<span class="Delimiter">,</span> addr+= <span class="Comment">/*</span><span class="Comment">size of screen-cell</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L274" class="LineNr">274 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> <span class="Normal">int</span> cell_color_offset = <span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L275" class="LineNr">275 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">uint32_t</span> curr = cursor<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
-<span id="L276" class="LineNr">276 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> == <span class="Constant">0</span> &amp;&amp; isspace<span class="Delimiter">(</span>curr<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L277" class="LineNr">277 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr == <span class="Constant">' '</span> &amp;&amp; color != -<span class="Constant">1</span> &amp;&amp; color != <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> == <span class="Constant">0</span> &amp;&amp; isspace<span class="Delimiter">(</span>curr<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L277" class="LineNr">277 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr == <span class="Constant">' '</span> &amp;&amp; color != -<span class="Constant">1</span> &amp;&amp; color != <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L278" class="LineNr">278 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// filter out other colors</span>
 <span id="L279" class="LineNr">279 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L280" class="LineNr">280 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L281" class="LineNr">281 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> != <span class="Constant">0</span> &amp;&amp; <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> == curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L282" class="LineNr">282 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>color == -<span class="Constant">1</span> || color == <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L281" class="LineNr">281 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> != <span class="Constant">0</span> &amp;&amp; <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> == curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L282" class="LineNr">282 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>color == -<span class="Constant">1</span> || color == <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L283" class="LineNr">283 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// contents match but color is off</span>
 <span id="L284" class="LineNr">284 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Current_scenario &amp;&amp; !Scenario_testing_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L285" class="LineNr">285 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// genuine test in a .mu file</span>
-<span id="L286" class="LineNr">286 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;, <a href='043space.cc.html#L76'>address</a> &quot;</span> &lt;&lt; addr &lt;&lt; <span class="Constant">&quot;, value &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;) to be in color &quot;</span> &lt;&lt; color &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L286" class="LineNr">286 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;, <a href='043space.cc.html#L76'>address</a> &quot;</span> &lt;&lt; addr &lt;&lt; <span class="Constant">&quot;, value &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;) to be in color &quot;</span> &lt;&lt; color &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L287" class="LineNr">287 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> dump_screen<span class="Delimiter">();</span>
 <span id="L288" class="LineNr">288 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L289" class="LineNr">289 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L290" class="LineNr">290 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// just testing check_screen</span>
-<span id="L291" class="LineNr">291 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to be in color &quot;</span> &lt;&lt; color &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L291" class="LineNr">291 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to be in color &quot;</span> &lt;&lt; color &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L292" class="LineNr">292 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L293" class="LineNr">293 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L294" class="LineNr">294 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
@@ -367,21 +367,21 @@ if ('onhashchange' in window) {
 <span id="L302" class="LineNr">302 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> expected_pretty[<span class="Constant">0</span>] = <span class="Constant">' '</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">1</span>] = <span class="Constant">'('</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">2</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">3</span>] = <span class="Normal">static_cast</span>&lt;<span class="Normal">unsigned</span> <span class="Normal">char</span>&gt;<span class="Delimiter">(</span>curr<span class="Delimiter">),</span> expected_pretty[<span class="Constant">4</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">5</span>] = <span class="Constant">')'</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">6</span>] = <span class="cSpecial">'\0'</span><span class="Delimiter">;</span>
 <span id="L303" class="LineNr">303 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L304" class="LineNr">304 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">char</span> actual_pretty[<span class="Constant">10</span>] = <span class="Delimiter">{</span><span class="Constant">0</span><span class="Delimiter">};</span>
-<span id="L305" class="LineNr">305 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> &lt; <span class="Constant">256</span> &amp;&amp; !iscntrl<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L305" class="LineNr">305 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> &lt; <span class="Constant">256</span> &amp;&amp; !iscntrl<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L306" class="LineNr">306 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// &quot; ('&lt;curr&gt;')&quot;</span>
-<span id="L307" class="LineNr">307 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> actual_pretty[<span class="Constant">0</span>] = <span class="Constant">' '</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">1</span>] = <span class="Constant">'('</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">2</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">3</span>] = <span class="Normal">static_cast</span>&lt;<span class="Normal">unsigned</span> <span class="Normal">char</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)),</span> actual_pretty[<span class="Constant">4</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">5</span>] = <span class="Constant">')'</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">6</span>] = <span class="cSpecial">'\0'</span><span class="Delimiter">;</span>
+<span id="L307" class="LineNr">307 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> actual_pretty[<span class="Constant">0</span>] = <span class="Constant">' '</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">1</span>] = <span class="Constant">'('</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">2</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">3</span>] = <span class="Normal">static_cast</span>&lt;<span class="Normal">unsigned</span> <span class="Normal">char</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)),</span> actual_pretty[<span class="Constant">4</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">5</span>] = <span class="Constant">')'</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">6</span>] = <span class="cSpecial">'\0'</span><span class="Delimiter">;</span>
 <span id="L308" class="LineNr">308 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L309" class="LineNr">309 </span>
 <span id="L310" class="LineNr">310 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ostringstream color_phrase<span class="Delimiter">;</span>
 <span id="L311" class="LineNr">311 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>color != -<span class="Constant">1</span><span class="Delimiter">)</span> color_phrase &lt;&lt; <span class="Constant">&quot; in color &quot;</span> &lt;&lt; color<span class="Delimiter">;</span>
 <span id="L312" class="LineNr">312 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Current_scenario &amp;&amp; !Scenario_testing_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L313" class="LineNr">313 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// genuine test in a .mu file</span>
-<span id="L314" class="LineNr">314 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to contain &quot;</span> &lt;&lt; curr &lt;&lt; expected_pretty &lt;&lt; color_phrase<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">))</span> &lt;&lt; actual_pretty &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L314" class="LineNr">314 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">F - &quot;</span> &lt;&lt; Current_scenario<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;: expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to contain &quot;</span> &lt;&lt; curr &lt;&lt; expected_pretty &lt;&lt; color_phrase<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">))</span> &lt;&lt; actual_pretty &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L315" class="LineNr">315 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> dump_screen<span class="Delimiter">();</span>
 <span id="L316" class="LineNr">316 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L317" class="LineNr">317 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L318" class="LineNr">318 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// just testing check_screen</span>
-<span id="L319" class="LineNr">319 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to contain &quot;</span> &lt;&lt; curr &lt;&lt; expected_pretty &lt;&lt; color_phrase<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">))</span> &lt;&lt; actual_pretty &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L319" class="LineNr">319 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to contain &quot;</span> &lt;&lt; curr &lt;&lt; expected_pretty &lt;&lt; color_phrase<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">))</span> &lt;&lt; actual_pretty &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L320" class="LineNr">320 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L321" class="LineNr">321 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
@@ -399,7 +399,7 @@ if ('onhashchange' in window) {
 <span id="L334" class="LineNr">334 </span>  <span class="Delimiter">}</span>
 <span id="L335" class="LineNr">335 </span><span class="Delimiter">}</span>
 <span id="L336" class="LineNr">336 </span>
-<span id="L337" class="LineNr">337 </span>raw_string_stream::raw_string_stream<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; backing<span class="Delimiter">)</span> :index<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> max<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>backing<span class="Delimiter">)),</span> buf<span class="Delimiter">(</span>backing<span class="Delimiter">.</span>c_str<span class="Delimiter">())</span> <span class="Delimiter">{}</span>
+<span id="L337" class="LineNr">337 </span>raw_string_stream::raw_string_stream<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; backing<span class="Delimiter">)</span> :index<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> max<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>backing<span class="Delimiter">)),</span> buf<span class="Delimiter">(</span>backing<span class="Delimiter">.</span>c_str<span class="Delimiter">())</span> <span class="Delimiter">{}</span>
 <span id="L338" class="LineNr">338 </span>
 <span id="L339" class="LineNr">339 </span><span class="Normal">bool</span> raw_string_stream::at_end<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
 <span id="L340" class="LineNr">340 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index &gt;= max<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
@@ -442,7 +442,7 @@ if ('onhashchange' in window) {
 <span id="L377" class="LineNr">377 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L378" class="LineNr">378 </span>_DUMP_SCREEN<span class="Delimiter">,</span>
 <span id="L379" class="LineNr">379 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L380" class="LineNr">380 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-screen&quot;</span><span class="Delimiter">,</span> _DUMP_SCREEN<span class="Delimiter">);</span>
+<span id="L380" class="LineNr">380 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-screen&quot;</span><span class="Delimiter">,</span> _DUMP_SCREEN<span class="Delimiter">);</span>
 <span id="L381" class="LineNr">381 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L382" class="LineNr">382 </span><span class="Normal">case</span> _DUMP_SCREEN: <span class="Delimiter">{</span>
 <span id="L383" class="LineNr">383 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -455,22 +455,22 @@ if ('onhashchange' in window) {
 <span id="L390" class="LineNr">390 </span>
 <span id="L391" class="LineNr">391 </span><span class="Delimiter">:(code)</span>
 <span id="L392" class="LineNr">392 </span><span class="Normal">void</span> dump_screen<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L393" class="LineNr">393 </span>  <span class="Normal">int</span> screen_location = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> SCREEN<span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L393" class="LineNr">393 </span>  <span class="Normal">int</span> screen_location = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> SCREEN<span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L394" class="LineNr">394 </span>  <span class="Normal">int</span> width_offset = <a href='042name.cc.html#L133'>find_element_name</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;num-columns&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L395" class="LineNr">395 </span>  <span class="Normal">int</span> screen_width = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+width_offset<span class="Delimiter">);</span>
+<span id="L395" class="LineNr">395 </span>  <span class="Normal">int</span> screen_width = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+width_offset<span class="Delimiter">);</span>
 <span id="L396" class="LineNr">396 </span>  <span class="Normal">int</span> height_offset = <a href='042name.cc.html#L133'>find_element_name</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;num-rows&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L397" class="LineNr">397 </span>  <span class="Normal">int</span> screen_height = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+height_offset<span class="Delimiter">);</span>
+<span id="L397" class="LineNr">397 </span>  <span class="Normal">int</span> screen_height = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_location+height_offset<span class="Delimiter">);</span>
 <span id="L398" class="LineNr">398 </span>  <span class="Normal">int</span> data_offset = <a href='042name.cc.html#L133'>find_element_name</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;data&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L399" class="LineNr">399 </span>  assert<span class="Delimiter">(</span>data_offset &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L400" class="LineNr">400 </span>  <span class="Normal">int</span> screen_data_location = screen_location+data_offset<span class="Delimiter">;</span>  <span class="Comment">// type: address:array:character</span>
-<span id="L401" class="LineNr">401 </span>  <span class="Normal">int</span> screen_data_start = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_location<span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// type: array:character</span>
-<span id="L402" class="LineNr">402 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_start<span class="Delimiter">)</span> == screen_width*screen_height<span class="Delimiter">);</span>
+<span id="L401" class="LineNr">401 </span>  <span class="Normal">int</span> screen_data_start = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_location<span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// type: array:character</span>
+<span id="L402" class="LineNr">402 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_start<span class="Delimiter">)</span> == screen_width*screen_height<span class="Delimiter">);</span>
 <span id="L403" class="LineNr">403 </span>  <span class="Normal">int</span> curr = screen_data_start+<span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// skip length</span>
 <span id="L404" class="LineNr">404 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> row = <span class="Constant">0</span><span class="Delimiter">;</span>  row &lt; screen_height<span class="Delimiter">;</span>  ++row<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L405" class="LineNr">405 </span>  <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">'.'</span><span class="Delimiter">;</span>
 <span id="L406" class="LineNr">406 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> col = <span class="Constant">0</span><span class="Delimiter">;</span>  col &lt; screen_width<span class="Delimiter">;</span>  ++col<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L407" class="LineNr">407 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">))</span>
-<span id="L408" class="LineNr">408 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; to_unicode<span class="Delimiter">(</span><span class="Normal">static_cast</span>&lt;<span class="Normal">uint32_t</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)));</span>
+<span id="L407" class="LineNr">407 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">))</span>
+<span id="L408" class="LineNr">408 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; to_unicode<span class="Delimiter">(</span><span class="Normal">static_cast</span>&lt;<span class="Normal">uint32_t</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)));</span>
 <span id="L409" class="LineNr">409 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span>
 <span id="L410" class="LineNr">410 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cerr &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
 <span id="L411" class="LineNr">411 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr += <span class="Comment">/*</span><span class="Comment">size of screen-cell</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>
diff --git a/html/085scenario_console.cc.html b/html/085scenario_console.cc.html
index 135cb389..4c7b5288 100644
--- a/html/085scenario_console.cc.html
+++ b/html/085scenario_console.cc.html
@@ -107,7 +107,7 @@ if ('onhashchange' in window) {
 <span id="L45" class="LineNr"> 45 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L46" class="LineNr"> 46 </span>ASSUME_CONSOLE<span class="Delimiter">,</span>
 <span id="L47" class="LineNr"> 47 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L48" class="LineNr"> 48 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;assume-console&quot;</span><span class="Delimiter">,</span> ASSUME_CONSOLE<span class="Delimiter">);</span>
+<span id="L48" class="LineNr"> 48 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;assume-console&quot;</span><span class="Delimiter">,</span> ASSUME_CONSOLE<span class="Delimiter">);</span>
 <span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L50" class="LineNr"> 50 </span><span class="Normal">case</span> ASSUME_CONSOLE: <span class="Delimiter">{</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -123,33 +123,33 @@ if ('onhashchange' in window) {
 <span id="L61" class="LineNr"> 61 </span>  <span class="Normal">int</span> size = <span class="Comment">/*</span><span class="Comment">space for refcount and length</span><span class="Comment">*/</span><span class="Constant">2</span> + num_events*size_of_event<span class="Delimiter">();</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Normal">int</span> event_data_address = allocate<span class="Delimiter">(</span>size<span class="Delimiter">);</span>
 <span id="L63" class="LineNr"> 63 </span>  <span class="Comment">// store length</span>
-<span id="L64" class="LineNr"> 64 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> event_data_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> num_events<span class="Delimiter">);</span>
+<span id="L64" class="LineNr"> 64 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> event_data_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> num_events<span class="Delimiter">);</span>
 <span id="L65" class="LineNr"> 65 </span>  <span class="Normal">int</span> curr_address = event_data_address + <span class="Comment">/*</span><span class="Comment">skip refcount and length</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>
-<span id="L66" class="LineNr"> 66 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L66" class="LineNr"> 66 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;left-click&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 'left-click' event starting at &quot;</span> &lt;&lt; Current_routine<span class="Delimiter">-&gt;</span>alloc &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'touch-event' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">);</span>
-<span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'type' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">,</span> TB_KEY_MOUSE_LEFT<span class="Delimiter">);</span>
-<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'row' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">));</span>
-<span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'column' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">,</span> <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">));</span>
+<span id="L70" class="LineNr"> 70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'touch-event' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">);</span>
+<span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'type' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">,</span> TB_KEY_MOUSE_LEFT<span class="Delimiter">);</span>
+<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'row' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">));</span>
+<span id="L73" class="LineNr"> 73 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'column' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">,</span> <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">));</span>
 <span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr_address += <a href='085scenario_console.cc.html#L296'>size_of_event</a><span class="Delimiter">();</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;press&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 'press' event starting at &quot;</span> &lt;&lt; curr_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> string key = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
 <span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='002test.cc.html#L86'>is_integer</a><span class="Delimiter">(</span>key<span class="Delimiter">))</span>
-<span id="L80" class="LineNr"> 80 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">,</span> <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>key<span class="Delimiter">));</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">,</span> <a href='002test.cc.html#L92'>to_integer</a><span class="Delimiter">(</span>key<span class="Delimiter">));</span>
 <span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Key<span class="Delimiter">,</span> key<span class="Delimiter">))</span>
-<span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">,</span> Key[key]<span class="Delimiter">);</span>
+<span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">,</span> Key[key]<span class="Delimiter">);</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span>
 <span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;assume-console: can't press '&quot;</span> &lt;&lt; key &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">)</span> &lt; <span class="Constant">256</span><span class="Delimiter">)</span>
+<span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">)</span> &lt; <span class="Constant">256</span><span class="Delimiter">)</span>
 <span id="L86" class="LineNr"> 86 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// these keys are in ascii</span>
-<span id="L87" class="LineNr"> 87 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'text' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L87" class="LineNr"> 87 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'text' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L88" class="LineNr"> 88 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// distinguish from unicode</span>
-<span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'keycode' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'keycode' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr_address += <a href='085scenario_console.cc.html#L296'>size_of_event</a><span class="Delimiter">();</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -164,12 +164,12 @@ if ('onhashchange' in window) {
 <span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> curr = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; num_keyboard_events<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 'text' tag at &quot;</span> &lt;&lt; curr_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L105" class="LineNr">105 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'text' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L105" class="LineNr">105 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'text' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">uint32_t</span> curr_character<span class="Delimiter">;</span>
-<span id="L107" class="LineNr">107 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>curr &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span>
+<span id="L107" class="LineNr">107 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>curr &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span>
 <span id="L108" class="LineNr">108 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_utf8_char_to_unicode<span class="Delimiter">(</span>&amp;curr_character<span class="Delimiter">,</span> &amp;raw_contents[curr]<span class="Delimiter">);</span>
 <span id="L109" class="LineNr">109 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing character &quot;</span> &lt;&lt; curr_character &lt;&lt; <span class="Constant">&quot; at &quot;</span> &lt;&lt; curr_address+<span class="Comment">/*</span><span class="Comment">skip exclusive container tag</span><span class="Comment">*/</span><span class="Constant">1</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L110" class="LineNr">110 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip exclusive container tag</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> curr_character<span class="Delimiter">);</span>
+<span id="L110" class="LineNr">110 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip exclusive container tag</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> curr_character<span class="Delimiter">);</span>
 <span id="L111" class="LineNr">111 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr += tb_utf8_char_length<span class="Delimiter">(</span>raw_contents[curr]<span class="Delimiter">);</span>
 <span id="L112" class="LineNr">112 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr_address += <a href='085scenario_console.cc.html#L296'>size_of_event</a><span class="Delimiter">();</span>
 <span id="L113" class="LineNr">113 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -179,13 +179,13 @@ if ('onhashchange' in window) {
 <span id="L117" class="LineNr">117 </span>  <span class="Comment">// wrap the array of events in a console object</span>
 <span id="L118" class="LineNr">118 </span>  <span class="Normal">int</span> console_address = allocate<span class="Delimiter">(</span><a href='085scenario_console.cc.html#L306'>size_of_console</a><span class="Delimiter">());</span>
 <span id="L119" class="LineNr">119 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing console in &quot;</span> &lt;&lt; console_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L120" class="LineNr">120 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> CONSOLE<span class="Delimiter">,</span> console_address<span class="Delimiter">);</span>
+<span id="L120" class="LineNr">120 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> CONSOLE<span class="Delimiter">,</span> console_address<span class="Delimiter">);</span>
 <span id="L121" class="LineNr">121 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing console data in &quot;</span> &lt;&lt; console_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'data' in container 'events'</span><span class="Comment">*/</span><span class="Constant">1</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L122" class="LineNr">122 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'data' in container 'events'</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> event_data_address<span class="Delimiter">);</span>
+<span id="L122" class="LineNr">122 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'data' in container 'events'</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> event_data_address<span class="Delimiter">);</span>
 <span id="L123" class="LineNr">123 </span>  <span class="Comment">// increment refcount for event data</span>
-<span id="L124" class="LineNr">124 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> event_data_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L124" class="LineNr">124 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> event_data_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L125" class="LineNr">125 </span>  <span class="Comment">// increment refcount for console</span>
-<span id="L126" class="LineNr">126 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L126" class="LineNr">126 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L127" class="LineNr">127 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L128" class="LineNr">128 </span><span class="Delimiter">}</span>
 <span id="L129" class="LineNr">129 </span>
@@ -255,7 +255,7 @@ if ('onhashchange' in window) {
 <span id="L193" class="LineNr">193 </span>  <a href='085scenario_console.cc.html#L198'>initialize_special_name</a><span class="Delimiter">(</span>r<span class="Delimiter">);</span>
 <span id="L194" class="LineNr">194 </span><span class="Delimiter">:(code)</span>
 <span id="L195" class="LineNr">195 </span><span class="Normal">bool</span> <a href='085scenario_console.cc.html#L195'>is_scenario</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L196" class="LineNr">196 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;scenario_&quot;</span><span class="Delimiter">);</span>
+<span id="L196" class="LineNr">196 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;scenario_&quot;</span><span class="Delimiter">);</span>
 <span id="L197" class="LineNr">197 </span><span class="Delimiter">}</span>
 <span id="L198" class="LineNr">198 </span><span class="Normal">void</span> <a href='085scenario_console.cc.html#L198'>initialize_special_name</a><span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
@@ -318,7 +318,7 @@ if ('onhashchange' in window) {
 <span id="L256" class="LineNr">256 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L257" class="LineNr">257 </span>REPLACE_IN_CONSOLE<span class="Delimiter">,</span>
 <span id="L258" class="LineNr">258 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L259" class="LineNr">259 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;replace-in-console&quot;</span><span class="Delimiter">,</span> REPLACE_IN_CONSOLE<span class="Delimiter">);</span>
+<span id="L259" class="LineNr">259 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;replace-in-console&quot;</span><span class="Delimiter">,</span> REPLACE_IN_CONSOLE<span class="Delimiter">);</span>
 <span id="L260" class="LineNr">260 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L261" class="LineNr">261 </span><span class="Normal">case</span> REPLACE_IN_CONSOLE: <span class="Delimiter">{</span>
 <span id="L262" class="LineNr">262 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -330,14 +330,14 @@ if ('onhashchange' in window) {
 <span id="L268" class="LineNr">268 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;console not initialized</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L269" class="LineNr">269 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L270" class="LineNr">270 </span>  <span class="Delimiter">}</span>
-<span id="L271" class="LineNr">271 </span>  <span class="Normal">int</span> console_address = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> CONSOLE<span class="Delimiter">);</span>
-<span id="L272" class="LineNr">272 </span>  <span class="Normal">int</span> console_data = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address+<span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L273" class="LineNr">273 </span>  <span class="Normal">int</span> length = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_data<span class="Delimiter">);</span>  <span class="Comment">// array length</span>
+<span id="L271" class="LineNr">271 </span>  <span class="Normal">int</span> console_address = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> CONSOLE<span class="Delimiter">);</span>
+<span id="L272" class="LineNr">272 </span>  <span class="Normal">int</span> console_data = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address+<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L273" class="LineNr">273 </span>  <span class="Normal">int</span> length = <a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_data<span class="Delimiter">);</span>  <span class="Comment">// array length</span>
 <span id="L274" class="LineNr">274 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">,</span> curr = console_data+<span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; length<span class="Delimiter">;</span>  ++i<span class="Delimiter">,</span> curr+=size_of_event<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L275" class="LineNr">275 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> != <span class="Comment">/*</span><span class="Comment">text</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L276" class="LineNr">276 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr+<span class="Constant">1</span><span class="Delimiter">)</span> != ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L275" class="LineNr">275 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> != <span class="Comment">/*</span><span class="Comment">text</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr+<span class="Constant">1</span><span class="Delimiter">)</span> != ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L277" class="LineNr">277 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> n = <span class="Constant">0</span><span class="Delimiter">;</span>  n &lt; <a href='085scenario_console.cc.html#L296'>size_of_event</a><span class="Delimiter">();</span>  ++n<span class="Delimiter">)</span>
-<span id="L278" class="LineNr">278 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr+n<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>n<span class="Delimiter">));</span>
+<span id="L278" class="LineNr">278 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr+n<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>n<span class="Delimiter">));</span>
 <span id="L279" class="LineNr">279 </span>  <span class="Delimiter">}</span>
 <span id="L280" class="LineNr">280 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L281" class="LineNr">281 </span><span class="Delimiter">}</span>
@@ -345,7 +345,7 @@ if ('onhashchange' in window) {
 <span id="L283" class="LineNr">283 </span><span class="Delimiter">:(code)</span>
 <span id="L284" class="LineNr">284 </span><span class="Normal">int</span> <a href='085scenario_console.cc.html#L284'>count_events</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L285" class="LineNr">285 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L286" class="LineNr">286 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L286" class="LineNr">286 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L287" class="LineNr">287 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; curr = r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L288" class="LineNr">288 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;type&quot;</span><span class="Delimiter">)</span>
 <span id="L289" class="LineNr">289 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result += <a href='038new_text.cc.html#L131'>unicode_length</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
diff --git a/html/087file.cc.html b/html/087file.cc.html
index a90b7c37..1145f321 100644
--- a/html/087file.cc.html
+++ b/html/087file.cc.html
@@ -73,10 +73,10 @@ if ('onhashchange' in window) {
 <span id="L12" class="LineNr"> 12 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L13" class="LineNr"> 13 </span>_OPEN_FILE_FOR_READING<span class="Delimiter">,</span>
 <span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L15" class="LineNr"> 15 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-file-for-reading&quot;</span><span class="Delimiter">,</span> _OPEN_FILE_FOR_READING<span class="Delimiter">);</span>
+<span id="L15" class="LineNr"> 15 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-file-for-reading&quot;</span><span class="Delimiter">,</span> _OPEN_FILE_FOR_READING<span class="Delimiter">);</span>
 <span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L17" class="LineNr"> 17 </span><span class="Normal">case</span> _OPEN_FILE_FOR_READING: <span class="Delimiter">{</span>
-<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L19" class="LineNr"> 19 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-file-for-reading' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L20" class="LineNr"> 20 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L21" class="LineNr"> 21 </span>  <span class="Delimiter">}</span>
@@ -84,7 +84,7 @@ if ('onhashchange' in window) {
 <span id="L23" class="LineNr"> 23 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$open-file-for-reading' should be a string, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L24" class="LineNr"> 24 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L25" class="LineNr"> 25 </span>  <span class="Delimiter">}</span>
-<span id="L26" class="LineNr"> 26 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L26" class="LineNr"> 26 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L27" class="LineNr"> 27 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-file-for-reading' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L28" class="LineNr"> 28 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Delimiter">}</span>
@@ -108,10 +108,10 @@ if ('onhashchange' in window) {
 <span id="L47" class="LineNr"> 47 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L48" class="LineNr"> 48 </span>_OPEN_FILE_FOR_WRITING<span class="Delimiter">,</span>
 <span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L50" class="LineNr"> 50 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-file-for-writing&quot;</span><span class="Delimiter">,</span> _OPEN_FILE_FOR_WRITING<span class="Delimiter">);</span>
+<span id="L50" class="LineNr"> 50 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-file-for-writing&quot;</span><span class="Delimiter">,</span> _OPEN_FILE_FOR_WRITING<span class="Delimiter">);</span>
 <span id="L51" class="LineNr"> 51 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L52" class="LineNr"> 52 </span><span class="Normal">case</span> _OPEN_FILE_FOR_WRITING: <span class="Delimiter">{</span>
-<span id="L53" class="LineNr"> 53 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L53" class="LineNr"> 53 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L54" class="LineNr"> 54 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-file-for-writing' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L55" class="LineNr"> 55 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Delimiter">}</span>
@@ -119,7 +119,7 @@ if ('onhashchange' in window) {
 <span id="L58" class="LineNr"> 58 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$open-file-for-writing' should be a string, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Delimiter">}</span>
-<span id="L61" class="LineNr"> 61 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L61" class="LineNr"> 61 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-file-for-writing' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L63" class="LineNr"> 63 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Delimiter">}</span>
@@ -142,10 +142,10 @@ if ('onhashchange' in window) {
 <span id="L81" class="LineNr"> 81 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L82" class="LineNr"> 82 </span>_READ_FROM_FILE<span class="Delimiter">,</span>
 <span id="L83" class="LineNr"> 83 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L84" class="LineNr"> 84 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$read-from-file&quot;</span><span class="Delimiter">,</span> _READ_FROM_FILE<span class="Delimiter">);</span>
+<span id="L84" class="LineNr"> 84 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$read-from-file&quot;</span><span class="Delimiter">,</span> _READ_FROM_FILE<span class="Delimiter">);</span>
 <span id="L85" class="LineNr"> 85 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L86" class="LineNr"> 86 </span><span class="Normal">case</span> _READ_FROM_FILE: <span class="Delimiter">{</span>
-<span id="L87" class="LineNr"> 87 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L87" class="LineNr"> 87 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L88" class="LineNr"> 88 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$read-from-file' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L90" class="LineNr"> 90 </span>  <span class="Delimiter">}</span>
@@ -153,7 +153,7 @@ if ('onhashchange' in window) {
 <span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$read-from-file' should be a number, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Delimiter">}</span>
-<span id="L95" class="LineNr"> 95 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L95" class="LineNr"> 95 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$read-from-file' requires exactly two products, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L98" class="LineNr"> 98 </span>  <span class="Delimiter">}</span>
@@ -206,10 +206,10 @@ if ('onhashchange' in window) {
 <span id="L145" class="LineNr">145 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L146" class="LineNr">146 </span>_WRITE_TO_FILE<span class="Delimiter">,</span>
 <span id="L147" class="LineNr">147 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L148" class="LineNr">148 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$write-to-file&quot;</span><span class="Delimiter">,</span> _WRITE_TO_FILE<span class="Delimiter">);</span>
+<span id="L148" class="LineNr">148 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$write-to-file&quot;</span><span class="Delimiter">,</span> _WRITE_TO_FILE<span class="Delimiter">);</span>
 <span id="L149" class="LineNr">149 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L150" class="LineNr">150 </span><span class="Normal">case</span> _WRITE_TO_FILE: <span class="Delimiter">{</span>
-<span id="L151" class="LineNr">151 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L151" class="LineNr">151 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L152" class="LineNr">152 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$write-to-file' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L153" class="LineNr">153 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L154" class="LineNr">154 </span>  <span class="Delimiter">}</span>
@@ -254,10 +254,10 @@ if ('onhashchange' in window) {
 <span id="L193" class="LineNr">193 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L194" class="LineNr">194 </span>_CLOSE_FILE<span class="Delimiter">,</span>
 <span id="L195" class="LineNr">195 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L196" class="LineNr">196 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$close-file&quot;</span><span class="Delimiter">,</span> _CLOSE_FILE<span class="Delimiter">);</span>
+<span id="L196" class="LineNr">196 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$close-file&quot;</span><span class="Delimiter">,</span> _CLOSE_FILE<span class="Delimiter">);</span>
 <span id="L197" class="LineNr">197 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L198" class="LineNr">198 </span><span class="Normal">case</span> _CLOSE_FILE: <span class="Delimiter">{</span>
-<span id="L199" class="LineNr">199 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L199" class="LineNr">199 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$close-file' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L201" class="LineNr">201 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L202" class="LineNr">202 </span>  <span class="Delimiter">}</span>
@@ -265,7 +265,7 @@ if ('onhashchange' in window) {
 <span id="L204" class="LineNr">204 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$close-file' should be a number, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L205" class="LineNr">205 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L206" class="LineNr">206 </span>  <span class="Delimiter">}</span>
-<span id="L207" class="LineNr">207 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L207" class="LineNr">207 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L208" class="LineNr">208 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$close-file' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L209" class="LineNr">209 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L210" class="LineNr">210 </span>  <span class="Delimiter">}</span>
diff --git a/html/089scenario_filesystem.cc.html b/html/089scenario_filesystem.cc.html
index 01978be0..23b0d01b 100644
--- a/html/089scenario_filesystem.cc.html
+++ b/html/089scenario_filesystem.cc.html
@@ -150,7 +150,7 @@ if ('onhashchange' in window) {
 <span id="L88" class="LineNr"> 88 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L89" class="LineNr"> 89 </span>ASSUME_RESOURCES<span class="Delimiter">,</span>
 <span id="L90" class="LineNr"> 90 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L91" class="LineNr"> 91 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;assume-resources&quot;</span><span class="Delimiter">,</span> ASSUME_RESOURCES<span class="Delimiter">);</span>
+<span id="L91" class="LineNr"> 91 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;assume-resources&quot;</span><span class="Delimiter">,</span> ASSUME_RESOURCES<span class="Delimiter">);</span>
 <span id="L92" class="LineNr"> 92 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L93" class="LineNr"> 93 </span><span class="Normal">case</span> ASSUME_RESOURCES: <span class="Delimiter">{</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -191,7 +191,7 @@ if ('onhashchange' in window) {
 <span id="L129" class="LineNr">129 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L130" class="LineNr">130 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L131" class="LineNr">131 </span>  <span class="Conceal">¦</span> filename<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L132" class="LineNr">132 </span>  <span class="Conceal">¦</span> filename<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>filename<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L132" class="LineNr">132 </span>  <span class="Conceal">¦</span> filename<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>filename<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; caller &lt;&lt; <span class="Constant">&quot;: assume-resources: no data for filename '&quot;</span> &lt;&lt; filename &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L135" class="LineNr">135 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -225,8 +225,8 @@ if ('onhashchange' in window) {
 <span id="L163" class="LineNr">163 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L164" class="LineNr">164 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L165" class="LineNr">165 </span>  <span class="Conceal">¦</span> contents<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</span> contents<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> <a href='089scenario_filesystem.cc.html#L171'>munge_resources_contents</a><span class="Delimiter">(</span>contents<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> caller<span class="Delimiter">));</span>
+<span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</span> contents<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> <a href='089scenario_filesystem.cc.html#L171'>munge_resources_contents</a><span class="Delimiter">(</span>contents<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> caller<span class="Delimiter">));</span>
 <span id="L168" class="LineNr">168 </span>  <span class="Delimiter">}</span>
 <span id="L169" class="LineNr">169 </span><span class="Delimiter">}</span>
 <span id="L170" class="LineNr">170 </span>
@@ -247,11 +247,11 @@ if ('onhashchange' in window) {
 <span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>  <span class="Comment">// skip leading '|'</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Conceal">¦</span> string line<span class="Delimiter">;</span>
 <span id="L187" class="LineNr">187 </span>  <span class="Conceal">¦</span> getline<span class="Delimiter">(</span>in<span class="Delimiter">,</span> line<span class="Delimiter">);</span>
-<span id="L188" class="LineNr">188 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>line<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L188" class="LineNr">188 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>line<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L189" class="LineNr">189 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="Constant">'|'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L190" class="LineNr">190 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="cSpecial">'\\'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L191" class="LineNr">191 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++i<span class="Delimiter">;</span>  <span class="Comment">// skip</span>
-<span id="L192" class="LineNr">192 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i == <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>line<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L192" class="LineNr">192 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i == <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>line<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L193" class="LineNr">193 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; caller &lt;&lt; <span class="Constant">&quot;: assume-resources: file contents can't end a line with '</span><span class="cSpecial">\\</span><span class="Constant">'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L194" class="LineNr">194 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L195" class="LineNr">195 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -265,34 +265,34 @@ if ('onhashchange' in window) {
 <span id="L203" class="LineNr">203 </span><span class="Delimiter">}</span>
 <span id="L204" class="LineNr">204 </span>
 <span id="L205" class="LineNr">205 </span><span class="Normal">void</span> <a href='089scenario_filesystem.cc.html#L205'>construct_resources_object</a><span class="Delimiter">(</span><span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> string&gt;&amp; contents<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L206" class="LineNr">206 </span>  <span class="Normal">int</span> resources_data_address = allocate<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">)</span>*<span class="Constant">2</span> + <span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L206" class="LineNr">206 </span>  <span class="Normal">int</span> resources_data_address = allocate<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">)</span>*<span class="Constant">2</span> + <span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L207" class="LineNr">207 </span>  <span class="Normal">int</span> curr = resources_data_address + <span class="Comment">/*</span><span class="Comment">skip refcount and length</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>
 <span id="L208" class="LineNr">208 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> string&gt;::const_iterator p = contents<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != contents<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L209" class="LineNr">209 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">));</span>
+<span id="L209" class="LineNr">209 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">));</span>
 <span id="L210" class="LineNr">210 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing file name &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; curr &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L211" class="LineNr">211 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L211" class="LineNr">211 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L212" class="LineNr">212 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing refcount 1 in location &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L213" class="LineNr">213 </span>  <span class="Conceal">¦</span> ++curr<span class="Delimiter">;</span>
-<span id="L214" class="LineNr">214 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">));</span>
+<span id="L214" class="LineNr">214 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">));</span>
 <span id="L215" class="LineNr">215 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing file contents &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; curr &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L217" class="LineNr">217 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing refcount 1 in location &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L218" class="LineNr">218 </span>  <span class="Conceal">¦</span> ++curr<span class="Delimiter">;</span>
 <span id="L219" class="LineNr">219 </span>  <span class="Delimiter">}</span>
 <span id="L220" class="LineNr">220 </span>  curr = resources_data_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L221" class="LineNr">221 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span>  <span class="Comment">// size of array</span>
+<span id="L221" class="LineNr">221 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span>  <span class="Comment">// size of array</span>
 <span id="L222" class="LineNr">222 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing resources size &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; curr &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L223" class="LineNr">223 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> resources_data_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// initialize refcount</span>
+<span id="L223" class="LineNr">223 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> resources_data_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// initialize refcount</span>
 <span id="L224" class="LineNr">224 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing refcount 1 in location &quot;</span> &lt;&lt; resources_data_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L225" class="LineNr">225 </span>  <span class="Comment">// wrap the resources data in a 'resources' object</span>
 <span id="L226" class="LineNr">226 </span>  <span class="Normal">int</span> resources_address = allocate<span class="Delimiter">(</span><a href='089scenario_filesystem.cc.html#L237'>size_of_resources</a><span class="Delimiter">());</span>
 <span id="L227" class="LineNr">227 </span>  curr = resources_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'data' element</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L228" class="LineNr">228 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> resources_data_address<span class="Delimiter">);</span>
+<span id="L228" class="LineNr">228 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> resources_data_address<span class="Delimiter">);</span>
 <span id="L229" class="LineNr">229 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing resources data <a href='043space.cc.html#L76'>address</a> &quot;</span> &lt;&lt; resources_data_address &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; curr &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L230" class="LineNr">230 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> resources_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// initialize refcount</span>
+<span id="L230" class="LineNr">230 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> resources_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// initialize refcount</span>
 <span id="L231" class="LineNr">231 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing refcount 1 in location &quot;</span> &lt;&lt; resources_address &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L232" class="LineNr">232 </span>  <span class="Comment">// save in product</span>
-<span id="L233" class="LineNr">233 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> RESOURCES<span class="Delimiter">,</span> resources_address<span class="Delimiter">);</span>
+<span id="L233" class="LineNr">233 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> RESOURCES<span class="Delimiter">,</span> resources_address<span class="Delimiter">);</span>
 <span id="L234" class="LineNr">234 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing resources <a href='043space.cc.html#L76'>address</a> &quot;</span> &lt;&lt; resources_address &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; RESOURCES &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L235" class="LineNr">235 </span><span class="Delimiter">}</span>
 <span id="L236" class="LineNr">236 </span>
diff --git a/html/091socket.cc.html b/html/091socket.cc.html
index ec2d9579..9f05bf17 100644
--- a/html/091socket.cc.html
+++ b/html/091socket.cc.html
@@ -75,10 +75,10 @@ if ('onhashchange' in window) {
 <span id="L13" class="LineNr"> 13 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L14" class="LineNr"> 14 </span>_OPEN_CLIENT_SOCKET<span class="Delimiter">,</span>
 <span id="L15" class="LineNr"> 15 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L16" class="LineNr"> 16 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-client-socket&quot;</span><span class="Delimiter">,</span> _OPEN_CLIENT_SOCKET<span class="Delimiter">);</span>
+<span id="L16" class="LineNr"> 16 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-client-socket&quot;</span><span class="Delimiter">,</span> _OPEN_CLIENT_SOCKET<span class="Delimiter">);</span>
 <span id="L17" class="LineNr"> 17 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L18" class="LineNr"> 18 </span><span class="Normal">case</span> _OPEN_CLIENT_SOCKET: <span class="Delimiter">{</span>
-<span id="L19" class="LineNr"> 19 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L19" class="LineNr"> 19 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L20" class="LineNr"> 20 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-client-socket' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L21" class="LineNr"> 21 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L22" class="LineNr"> 22 </span>  <span class="Delimiter">}</span>
@@ -90,7 +90,7 @@ if ('onhashchange' in window) {
 <span id="L28" class="LineNr"> 28 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of '$open-client-socket' should be a number (the port of the hostname to connect to), but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L30" class="LineNr"> 30 </span>  <span class="Delimiter">}</span>
-<span id="L31" class="LineNr"> 31 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L31" class="LineNr"> 31 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L32" class="LineNr"> 32 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-client-socket' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L33" class="LineNr"> 33 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L34" class="LineNr"> 34 </span>  <span class="Delimiter">}</span>
@@ -138,10 +138,10 @@ if ('onhashchange' in window) {
 <span id="L76" class="LineNr"> 76 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L77" class="LineNr"> 77 </span>_OPEN_SERVER_SOCKET<span class="Delimiter">,</span>
 <span id="L78" class="LineNr"> 78 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L79" class="LineNr"> 79 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-server-socket&quot;</span><span class="Delimiter">,</span> _OPEN_SERVER_SOCKET<span class="Delimiter">);</span>
+<span id="L79" class="LineNr"> 79 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$open-server-socket&quot;</span><span class="Delimiter">,</span> _OPEN_SERVER_SOCKET<span class="Delimiter">);</span>
 <span id="L80" class="LineNr"> 80 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L81" class="LineNr"> 81 </span><span class="Normal">case</span> _OPEN_SERVER_SOCKET: <span class="Delimiter">{</span>
-<span id="L82" class="LineNr"> 82 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L82" class="LineNr"> 82 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-server-socket' requires exactly one ingredient (the port to listen for requests on), but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Delimiter">}</span>
@@ -149,7 +149,7 @@ if ('onhashchange' in window) {
 <span id="L87" class="LineNr"> 87 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$open-server-socket' should be a number, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L88" class="LineNr"> 88 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L89" class="LineNr"> 89 </span>  <span class="Delimiter">}</span>
-<span id="L90" class="LineNr"> 90 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L90" class="LineNr"> 90 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L91" class="LineNr"> 91 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$open-server-socket' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Delimiter">}</span>
@@ -200,10 +200,10 @@ if ('onhashchange' in window) {
 <span id="L138" class="LineNr">138 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L139" class="LineNr">139 </span>_ACCEPT<span class="Delimiter">,</span>
 <span id="L140" class="LineNr">140 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L141" class="LineNr">141 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$accept&quot;</span><span class="Delimiter">,</span> _ACCEPT<span class="Delimiter">);</span>
+<span id="L141" class="LineNr">141 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$accept&quot;</span><span class="Delimiter">,</span> _ACCEPT<span class="Delimiter">);</span>
 <span id="L142" class="LineNr">142 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L143" class="LineNr">143 </span><span class="Normal">case</span> _ACCEPT: <span class="Delimiter">{</span>
-<span id="L144" class="LineNr">144 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L144" class="LineNr">144 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L145" class="LineNr">145 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$accept' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L146" class="LineNr">146 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L147" class="LineNr">147 </span>  <span class="Delimiter">}</span>
@@ -211,7 +211,7 @@ if ('onhashchange' in window) {
 <span id="L149" class="LineNr">149 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$accept' should be a number, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L150" class="LineNr">150 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L151" class="LineNr">151 </span>  <span class="Delimiter">}</span>
-<span id="L152" class="LineNr">152 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L152" class="LineNr">152 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L153" class="LineNr">153 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$accept' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L154" class="LineNr">154 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L155" class="LineNr">155 </span>  <span class="Delimiter">}</span>
@@ -249,10 +249,10 @@ if ('onhashchange' in window) {
 <span id="L187" class="LineNr">187 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L188" class="LineNr">188 </span>_READ_FROM_SOCKET<span class="Delimiter">,</span>
 <span id="L189" class="LineNr">189 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L190" class="LineNr">190 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$read-from-socket&quot;</span><span class="Delimiter">,</span> _READ_FROM_SOCKET<span class="Delimiter">);</span>
+<span id="L190" class="LineNr">190 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$read-from-socket&quot;</span><span class="Delimiter">,</span> _READ_FROM_SOCKET<span class="Delimiter">);</span>
 <span id="L191" class="LineNr">191 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L192" class="LineNr">192 </span><span class="Normal">case</span> _READ_FROM_SOCKET: <span class="Delimiter">{</span>
-<span id="L193" class="LineNr">193 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L193" class="LineNr">193 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L194" class="LineNr">194 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$read-from-socket' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L195" class="LineNr">195 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L196" class="LineNr">196 </span>  <span class="Delimiter">}</span>
@@ -260,7 +260,7 @@ if ('onhashchange' in window) {
 <span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$read-from-socket' should be a number (socket), but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Delimiter">}</span>
-<span id="L201" class="LineNr">201 </span>  <span class="Normal">int</span> nprod = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>
+<span id="L201" class="LineNr">201 </span>  <span class="Normal">int</span> nprod = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>
 <span id="L202" class="LineNr">202 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>nprod == <span class="Constant">0</span> || nprod &gt; <span class="Constant">4</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$read-from-socket' requires 1-4 products, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L204" class="LineNr">204 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -342,10 +342,10 @@ if ('onhashchange' in window) {
 <span id="L280" class="LineNr">280 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L281" class="LineNr">281 </span>_WRITE_TO_SOCKET<span class="Delimiter">,</span>
 <span id="L282" class="LineNr">282 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L283" class="LineNr">283 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$write-to-socket&quot;</span><span class="Delimiter">,</span> _WRITE_TO_SOCKET<span class="Delimiter">);</span>
+<span id="L283" class="LineNr">283 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$write-to-socket&quot;</span><span class="Delimiter">,</span> _WRITE_TO_SOCKET<span class="Delimiter">);</span>
 <span id="L284" class="LineNr">284 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L285" class="LineNr">285 </span><span class="Normal">case</span> _WRITE_TO_SOCKET: <span class="Delimiter">{</span>
-<span id="L286" class="LineNr">286 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L286" class="LineNr">286 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L287" class="LineNr">287 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$write-to-socket' requires exactly two ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L288" class="LineNr">288 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L289" class="LineNr">289 </span>  <span class="Delimiter">}</span>
@@ -370,10 +370,10 @@ if ('onhashchange' in window) {
 <span id="L308" class="LineNr">308 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L309" class="LineNr">309 </span>_CLOSE_SOCKET<span class="Delimiter">,</span>
 <span id="L310" class="LineNr">310 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L311" class="LineNr">311 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$close-socket&quot;</span><span class="Delimiter">,</span> _CLOSE_SOCKET<span class="Delimiter">);</span>
+<span id="L311" class="LineNr">311 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$close-socket&quot;</span><span class="Delimiter">,</span> _CLOSE_SOCKET<span class="Delimiter">);</span>
 <span id="L312" class="LineNr">312 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L313" class="LineNr">313 </span><span class="Normal">case</span> _CLOSE_SOCKET: <span class="Delimiter">{</span>
-<span id="L314" class="LineNr">314 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L314" class="LineNr">314 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L315" class="LineNr">315 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$close-socket' requires exactly two ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L316" class="LineNr">316 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L317" class="LineNr">317 </span>  <span class="Delimiter">}</span>
@@ -381,7 +381,7 @@ if ('onhashchange' in window) {
 <span id="L319" class="LineNr">319 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '$close-socket' should be a number, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L320" class="LineNr">320 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L321" class="LineNr">321 </span>  <span class="Delimiter">}</span>
-<span id="L322" class="LineNr">322 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L322" class="LineNr">322 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L323" class="LineNr">323 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$close-socket' requires exactly one product, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L324" class="LineNr">324 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L325" class="LineNr">325 </span>  <span class="Delimiter">}</span>
diff --git a/html/099hardware_checks.cc.html b/html/099hardware_checks.cc.html
index 1ccce17b..a05e6d1d 100644
--- a/html/099hardware_checks.cc.html
+++ b/html/099hardware_checks.cc.html
@@ -86,7 +86,7 @@ if ('onhashchange' in window) {
 <span id="L23" class="LineNr">23 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L24" class="LineNr">24 </span><span class="Delimiter">}</span>
 <span id="L25" class="LineNr">25 </span><span class="Normal">void</span> <a href='099hardware_checks.cc.html#L25'>teardown_real_hardware_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L26" class="LineNr">26 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Real_hardware_types<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L26" class="LineNr">26 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Real_hardware_types<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L27" class="LineNr">27 </span>  <span class="Conceal">¦</span> <span class="Normal">delete</span> Real_hardware_types<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L28" class="LineNr">28 </span>  Real_hardware_types<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
 <span id="L29" class="LineNr">29 </span><span class="Delimiter">}</span>
@@ -97,19 +97,19 @@ if ('onhashchange' in window) {
 <span id="L34" class="LineNr">34 </span><span class="Normal">void</span> <a href='099hardware_checks.cc.html#L34'>check_for_misuse_of_real_hardware</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L35" class="LineNr">35 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L36" class="LineNr">36 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name == <span class="Constant">&quot;main&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L37" class="LineNr">37 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L74'>starts_with</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;scenario_&quot;</span><span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L37" class="LineNr">37 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;scenario_&quot;</span><span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L38" class="LineNr">38 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- check if <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; has any dependency-injection mistakes&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L39" class="LineNr">39 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L39" class="LineNr">39 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L40" class="LineNr">40 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L41" class="LineNr">41 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation &lt; <a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L42" class="LineNr">42 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L42" class="LineNr">42 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L43" class="LineNr">43 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; ing = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L44" class="LineNr">44 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>ing<span class="Delimiter">)</span> || ing<span class="Delimiter">.</span>name != <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L45" class="LineNr">45 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> recipe&amp; callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">);</span>
 <span id="L46" class="LineNr">46 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!callee<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L47" class="LineNr">47 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L47" class="LineNr">47 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L48" class="LineNr">48 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; expected_ing = callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L49" class="LineNr">49 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Real_hardware_types<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L49" class="LineNr">49 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Real_hardware_types<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L50" class="LineNr">50 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*Real_hardware_types<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)</span> == *expected_ing<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
 <span id="L51" class="LineNr">51 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;': only 'main' can pass 0 into a &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>expected_ing<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L52" class="LineNr">52 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
diff --git a/html/100trace_browser.cc.html b/html/100trace_browser.cc.html
index 2f679230..f51ec516 100644
--- a/html/100trace_browser.cc.html
+++ b/html/100trace_browser.cc.html
@@ -126,7 +126,7 @@ if ('onhashchange' in window) {
 <span id="L66" class="LineNr"> 66 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L67" class="LineNr"> 67 </span>_BROWSE_TRACE<span class="Delimiter">,</span>
 <span id="L68" class="LineNr"> 68 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L69" class="LineNr"> 69 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$browse-trace&quot;</span><span class="Delimiter">,</span> _BROWSE_TRACE<span class="Delimiter">);</span>
+<span id="L69" class="LineNr"> 69 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$browse-trace&quot;</span><span class="Delimiter">,</span> _BROWSE_TRACE<span class="Delimiter">);</span>
 <span id="L70" class="LineNr"> 70 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L71" class="LineNr"> 71 </span><span class="Normal">case</span> _BROWSE_TRACE: <span class="Delimiter">{</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -139,7 +139,7 @@ if ('onhashchange' in window) {
 <span id="L79" class="LineNr"> 79 </span>
 <span id="L80" class="LineNr"> 80 </span><span class="Comment">//: browse a trace loaded from a file</span>
 <span id="L81" class="LineNr"> 81 </span><span class="Delimiter">:(after &quot;Commandline Parsing&quot;)</span>
-<span id="L82" class="LineNr"> 82 </span><span class="Normal">if</span> <span class="Delimiter">(</span>argc == <span class="Constant">3</span> &amp;&amp; <a href='001help.cc.html#L70'>is_equal</a><span class="Delimiter">(</span>argv[<span class="Constant">1</span>]<span class="Delimiter">,</span> <span class="Constant">&quot;browse-trace&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L82" class="LineNr"> 82 </span><span class="Normal">if</span> <span class="Delimiter">(</span>argc == <span class="Constant">3</span> &amp;&amp; <a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>argv[<span class="Constant">1</span>]<span class="Delimiter">,</span> <span class="Constant">&quot;browse-trace&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L83" class="LineNr"> 83 </span>  <a href='100trace_browser.cc.html#L494'>load_trace</a><span class="Delimiter">(</span>argv[<span class="Constant">2</span>]<span class="Delimiter">);</span>
 <span id="L84" class="LineNr"> 84 </span>  <a href='100trace_browser.cc.html#L101'>start_trace_browser</a><span class="Delimiter">();</span>
 <span id="L85" class="LineNr"> 85 </span>  <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
@@ -162,13 +162,13 @@ if ('onhashchange' in window) {
 <span id="L102" class="LineNr">102 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L103" class="LineNr">103 </span>  cerr &lt;&lt; <span class="Constant">&quot;computing min depth to display</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Normal">int</span> min_depth = <span class="Constant">9999</span><span class="Delimiter">;</span>
-<span id="L105" class="LineNr">105 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L105" class="LineNr">105 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L106" class="LineNr">106 </span>  <span class="Conceal">¦</span> trace_line&amp; curr_line = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L107" class="LineNr">107 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr_line<span class="Delimiter">.</span>depth &lt; min_depth<span class="Delimiter">)</span> min_depth = curr_line<span class="Delimiter">.</span>depth<span class="Delimiter">;</span>
 <span id="L108" class="LineNr">108 </span>  <span class="Delimiter">}</span>
 <span id="L109" class="LineNr">109 </span>  cerr &lt;&lt; <span class="Constant">&quot;min depth is &quot;</span> &lt;&lt; min_depth &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L110" class="LineNr">110 </span>  cerr &lt;&lt; <span class="Constant">&quot;computing lines to display</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L111" class="LineNr">111 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L111" class="LineNr">111 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L112" class="LineNr">112 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>depth == min_depth<span class="Delimiter">)</span>
 <span id="L113" class="LineNr">113 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Visible<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L114" class="LineNr">114 </span>  <span class="Delimiter">}</span>
@@ -254,7 +254,7 @@ if ('onhashchange' in window) {
 <span id="L194" class="LineNr">194 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L195" class="LineNr">195 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key == <span class="Constant">'G'</span> || key == TB_KEY_END<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L196" class="LineNr">196 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// go to bottom of screen; largely like page-up, interestingly</span>
-<span id="L197" class="LineNr">197 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Top_of_screen = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L197" class="LineNr">197 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Top_of_screen = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> screen_row = tb_height<span class="Delimiter">();</span>  screen_row &gt; <span class="Constant">0</span> &amp;&amp; Top_of_screen &gt; <span class="Constant">0</span><span class="Delimiter">;</span>  --screen_row<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> --Top_of_screen<span class="Delimiter">;</span>
 <span id="L200" class="LineNr">200 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Top_of_screen &lt;= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -273,7 +273,7 @@ if ('onhashchange' in window) {
 <span id="L213" class="LineNr">213 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L214" class="LineNr">214 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// simultaneously compute end_index and min_depth</span>
 <span id="L215" class="LineNr">215 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> min_depth = <span class="Constant">9999</span><span class="Delimiter">;</span>
-<span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>index = start_index+<span class="Constant">1</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>index = start_index+<span class="Constant">1</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L217" class="LineNr">217 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Visible<span class="Delimiter">,</span> index<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L218" class="LineNr">218 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> trace_line&amp; curr_line = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L219" class="LineNr">219 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>curr_line<span class="Delimiter">.</span>depth &gt; Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>start_index<span class="Delimiter">).</span>depth<span class="Delimiter">);</span>
@@ -296,7 +296,7 @@ if ('onhashchange' in window) {
 <span id="L236" class="LineNr">236 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L237" class="LineNr">237 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// end_index is the next line at a depth same as or lower than start_index</span>
 <span id="L238" class="LineNr">238 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> initial_depth = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>start_index<span class="Delimiter">).</span>depth<span class="Delimiter">;</span>
-<span id="L239" class="LineNr">239 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>index = start_index+<span class="Constant">1</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L239" class="LineNr">239 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>index = start_index+<span class="Constant">1</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L240" class="LineNr">240 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Visible<span class="Delimiter">,</span> index<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L241" class="LineNr">241 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> trace_line&amp; curr_line = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
 <span id="L242" class="LineNr">242 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr_line<span class="Delimiter">.</span>depth &lt;= initial_depth<span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -356,7 +356,7 @@ if ('onhashchange' in window) {
 <span id="L296" class="LineNr">296 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L297" class="LineNr">297 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L298" class="LineNr">298 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key == TB_KEY_ARROW_RIGHT<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L299" class="LineNr">299 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span> &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L299" class="LineNr">299 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L300" class="LineNr">300 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++col<span class="Delimiter">;</span>
 <span id="L301" class="LineNr">301 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
 <span id="L302" class="LineNr">302 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -366,39 +366,39 @@ if ('onhashchange' in window) {
 <span id="L306" class="LineNr">306 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
 <span id="L307" class="LineNr">307 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L308" class="LineNr">308 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key == TB_KEY_END || key == TB_KEY_CTRL_E<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L309" class="LineNr">309 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> col = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L309" class="LineNr">309 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> col = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L310" class="LineNr">310 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
 <span id="L311" class="LineNr">311 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L312" class="LineNr">312 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key == TB_KEY_BACKSPACE || key == TB_KEY_BACKSPACE2<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L313" class="LineNr">313 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>col &gt; <span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L314" class="LineNr">314 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>col &lt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L314" class="LineNr">314 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>col &lt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L315" class="LineNr">315 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> --col<span class="Delimiter">;</span>
 <span id="L316" class="LineNr">316 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// update pattern</span>
 <span id="L317" class="LineNr">317 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> pattern<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">len</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L318" class="LineNr">318 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// update screen</span>
 <span id="L319" class="LineNr">319 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
-<span id="L320" class="LineNr">320 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = col<span class="Delimiter">;</span>  x &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
+<span id="L320" class="LineNr">320 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = col<span class="Delimiter">;</span>  x &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
 <span id="L321" class="LineNr">321 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_print<span class="Delimiter">(</span>pattern<span class="Delimiter">.</span>at<span class="Delimiter">(</span>x-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">),</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_print<span class="Delimiter">(</span><span class="Constant">' '</span><span class="Delimiter">,</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
 <span id="L323" class="LineNr">323 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
 <span id="L324" class="LineNr">324 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L325" class="LineNr">325 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L326" class="LineNr">326 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key == TB_KEY_CTRL_K<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L327" class="LineNr">327 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> old_pattern_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">);</span>
-<span id="L328" class="LineNr">328 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> pattern<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span> - <span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">));</span>
+<span id="L327" class="LineNr">327 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> old_pattern_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">);</span>
+<span id="L328" class="LineNr">328 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> pattern<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span> - <span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">));</span>
 <span id="L329" class="LineNr">329 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
 <span id="L330" class="LineNr">330 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = col<span class="Delimiter">;</span>  x &lt; old_pattern_size+<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
 <span id="L331" class="LineNr">331 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_print<span class="Delimiter">(</span><span class="Constant">' '</span><span class="Delimiter">,</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
 <span id="L332" class="LineNr">332 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
 <span id="L333" class="LineNr">333 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L334" class="LineNr">334 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>key == TB_KEY_CTRL_U<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L335" class="LineNr">335 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> old_pattern_size = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">);</span>
+<span id="L335" class="LineNr">335 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int</span> old_pattern_size = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">);</span>
 <span id="L336" class="LineNr">336 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> pattern<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L337" class="LineNr">337 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> col = <span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L338" class="LineNr">338 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
-<span id="L339" class="LineNr">339 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = <span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  x &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
+<span id="L339" class="LineNr">339 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = <span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  x &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
 <span id="L340" class="LineNr">340 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_print<span class="Delimiter">(</span>pattern<span class="Delimiter">.</span>at<span class="Delimiter">(</span>x-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">),</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
-<span id="L341" class="LineNr">341 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  x &lt; old_pattern_size+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
+<span id="L341" class="LineNr">341 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  x &lt; old_pattern_size+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
 <span id="L342" class="LineNr">342 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_print<span class="Delimiter">(</span><span class="Constant">' '</span><span class="Delimiter">,</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
 <span id="L343" class="LineNr">343 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
 <span id="L344" class="LineNr">344 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
@@ -406,10 +406,10 @@ if ('onhashchange' in window) {
 <span id="L346" class="LineNr">346 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// update pattern</span>
 <span id="L347" class="LineNr">347 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">char</span> c = <span class="Normal">static_cast</span>&lt;<span class="Normal">char</span>&gt;<span class="Delimiter">(</span>key<span class="Delimiter">);</span>
 <span id="L348" class="LineNr">348 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>col-<span class="Constant">1</span> &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L349" class="LineNr">349 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>col-<span class="Constant">1</span> &lt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">));</span>
+<span id="L349" class="LineNr">349 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>col-<span class="Constant">1</span> &lt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">));</span>
 <span id="L350" class="LineNr">350 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> pattern<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>col-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">num</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> c<span class="Delimiter">);</span>
 <span id="L351" class="LineNr">351 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// update screen</span>
-<span id="L352" class="LineNr">352 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = col<span class="Delimiter">;</span>  x &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
+<span id="L352" class="LineNr">352 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> x = col<span class="Delimiter">;</span>  x &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>pattern<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  ++x<span class="Delimiter">)</span>
 <span id="L353" class="LineNr">353 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_print<span class="Delimiter">(</span>pattern<span class="Delimiter">.</span>at<span class="Delimiter">(</span>x-<span class="Comment">/*</span><span class="Comment">slash</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">),</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
 <span id="L354" class="LineNr">354 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++col<span class="Delimiter">;</span>
 <span id="L355" class="LineNr">355 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>col<span class="Delimiter">,</span> bottom_screen_line<span class="Delimiter">);</span>
@@ -428,7 +428,7 @@ if ('onhashchange' in window) {
 <span id="L368" class="LineNr">368 </span><span class="Delimiter">}</span>
 <span id="L369" class="LineNr">369 </span>
 <span id="L370" class="LineNr">370 </span><span class="Normal">void</span> <a href='100trace_browser.cc.html#L370'>search_next</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; pat<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L371" class="LineNr">371 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> trace_index = get<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> Display_row<span class="Delimiter">)</span>+<span class="Constant">1</span><span class="Delimiter">;</span>  trace_index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++trace_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L371" class="LineNr">371 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> trace_index = get<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> Display_row<span class="Delimiter">)</span>+<span class="Constant">1</span><span class="Delimiter">;</span>  trace_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++trace_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L372" class="LineNr">372 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Visible<span class="Delimiter">,</span> trace_index<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L373" class="LineNr">373 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> trace_line&amp; line = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>trace_index<span class="Delimiter">);</span>
 <span id="L374" class="LineNr">374 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>line<span class="Delimiter">.</span>label<span class="Delimiter">.</span>find<span class="Delimiter">(</span>pat<span class="Delimiter">)</span> == string::npos &amp;&amp; line<span class="Delimiter">.</span>contents<span class="Delimiter">.</span>find<span class="Delimiter">(</span>pat<span class="Delimiter">)</span> == string::npos<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
@@ -462,14 +462,14 @@ if ('onhashchange' in window) {
 <span id="L402" class="LineNr">402 </span><span class="Normal">void</span> <a href='100trace_browser.cc.html#L402'>refresh_screen_rows</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L403" class="LineNr">403 </span>  <span class="Normal">int</span> screen_row = <span class="Constant">0</span><span class="Delimiter">,</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L404" class="LineNr">404 </span>  Trace_index<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L405" class="LineNr">405 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>screen_row = <span class="Constant">0</span><span class="Delimiter">,</span> index = Top_of_screen<span class="Delimiter">;</span>  screen_row &lt; tb_height<span class="Delimiter">()</span> &amp;&amp; index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++screen_row<span class="Delimiter">,</span> ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L405" class="LineNr">405 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>screen_row = <span class="Constant">0</span><span class="Delimiter">,</span> index = Top_of_screen<span class="Delimiter">;</span>  screen_row &lt; tb_height<span class="Delimiter">()</span> &amp;&amp; index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">);</span>  ++screen_row<span class="Delimiter">,</span> ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L406" class="LineNr">406 </span>  <span class="Conceal">¦</span> <span class="Comment">// skip lines without depth for now</span>
 <span id="L407" class="LineNr">407 </span>  <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Visible<span class="Delimiter">,</span> index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L408" class="LineNr">408 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++index<span class="Delimiter">;</span>
-<span id="L409" class="LineNr">409 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>index &gt;= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">))</span> <span class="Identifier">goto</span> done<span class="Delimiter">;</span>
+<span id="L409" class="LineNr">409 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">))</span> <span class="Identifier">goto</span> done<span class="Delimiter">;</span>
 <span id="L410" class="LineNr">410 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L411" class="LineNr">411 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>index &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">));</span>
-<span id="L412" class="LineNr">412 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row<span class="Delimiter">,</span> index<span class="Delimiter">);</span>
+<span id="L411" class="LineNr">411 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">));</span>
+<span id="L412" class="LineNr">412 </span>  <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row<span class="Delimiter">,</span> index<span class="Delimiter">);</span>
 <span id="L413" class="LineNr">413 </span>  <span class="Delimiter">}</span>
 <span id="L414" class="LineNr">414 </span><span class="Normal">done</span>:<span class="Delimiter">;</span>
 <span id="L415" class="LineNr">415 </span><span class="Delimiter">}</span>
@@ -503,7 +503,7 @@ if ('onhashchange' in window) {
 <span id="L443" class="LineNr">443 </span><span class="Normal">int</span> <a href='100trace_browser.cc.html#L443'>lines_hidden</a><span class="Delimiter">(</span><span class="Normal">int</span> screen_row<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L444" class="LineNr">444 </span>  assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row<span class="Delimiter">));</span>
 <span id="L445" class="LineNr">445 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row+<span class="Constant">1</span><span class="Delimiter">))</span>
-<span id="L446" class="LineNr">446 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">)</span> - get<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row<span class="Delimiter">);</span>
+<span id="L446" class="LineNr">446 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">)</span> - get<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row<span class="Delimiter">);</span>
 <span id="L447" class="LineNr">447 </span>  <span class="Normal">else</span>
 <span id="L448" class="LineNr">448 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> get<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row+<span class="Constant">1</span><span class="Delimiter">)</span> - get<span class="Delimiter">(</span>Trace_index<span class="Delimiter">,</span> screen_row<span class="Delimiter">);</span>
 <span id="L449" class="LineNr">449 </span><span class="Delimiter">}</span>
@@ -514,7 +514,7 @@ if ('onhashchange' in window) {
 <span id="L454" class="LineNr">454 </span>  <span class="Normal">int</span> background_color = cursor_line ? <span class="Comment">/*</span><span class="Comment">subtle grey</span><span class="Comment">*/</span><span class="Constant">240</span> : TB_BLACK<span class="Delimiter">;</span>
 <span id="L455" class="LineNr">455 </span>  vector&lt;pair&lt;<span class="Normal">size_t</span><span class="Delimiter">,</span> <span class="Normal">size_t</span>&gt; &gt; highlight_ranges = <a href='100trace_browser.cc.html#L472'>find_all_occurrences</a><span class="Delimiter">(</span>s<span class="Delimiter">,</span> Current_search_pattern<span class="Delimiter">);</span>
 <span id="L456" class="LineNr">456 </span>  tb_set_cursor<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> screen_row<span class="Delimiter">);</span>
-<span id="L457" class="LineNr">457 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>col = <span class="Constant">0</span><span class="Delimiter">;</span>  col &lt; tb_width<span class="Delimiter">()</span> &amp;&amp; col+Left_of_screen &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">);</span>  ++col<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L457" class="LineNr">457 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>col = <span class="Constant">0</span><span class="Delimiter">;</span>  col &lt; tb_width<span class="Delimiter">()</span> &amp;&amp; col+Left_of_screen &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">);</span>  ++col<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L458" class="LineNr">458 </span>  <span class="Conceal">¦</span> <span class="Normal">char</span> c = s<span class="Delimiter">.</span>at<span class="Delimiter">(</span>col+Left_of_screen<span class="Delimiter">);</span>  <span class="Comment">// todo: unicode</span>
 <span id="L459" class="LineNr">459 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> c = <span class="Constant">';'</span><span class="Delimiter">;</span>  <span class="Comment">// replace newlines with semi-colons</span>
 <span id="L460" class="LineNr">460 </span>  <span class="Conceal">¦</span> <span class="Comment">// escapes. hack: can't start a line with them.</span>
@@ -543,7 +543,7 @@ if ('onhashchange' in window) {
 <span id="L483" class="LineNr">483 </span><span class="Delimiter">}</span>
 <span id="L484" class="LineNr">484 </span>
 <span id="L485" class="LineNr">485 </span><span class="Normal">bool</span> <a href='100trace_browser.cc.html#L485'>in_range</a><span class="Delimiter">(</span><span class="Normal">const</span> vector&lt;pair&lt;<span class="Normal">size_t</span><span class="Delimiter">,</span> <span class="Normal">size_t</span>&gt; &gt;&amp; highlight_ranges<span class="Delimiter">,</span> <span class="Normal">size_t</span> idx<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L486" class="LineNr">486 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>highlight_ranges<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L486" class="LineNr">486 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>highlight_ranges<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L487" class="LineNr">487 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>idx &gt;= highlight_ranges<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first &amp;&amp; idx &lt; highlight_ranges<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span>
 <span id="L488" class="LineNr">488 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L489" class="LineNr">489 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>idx &lt; highlight_ranges<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -558,7 +558,7 @@ if ('onhashchange' in window) {
 <span id="L498" class="LineNr">498 </span>  <span class="Conceal">¦</span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L499" class="LineNr">499 </span>  <span class="Delimiter">}</span>
 <span id="L500" class="LineNr">500 </span>  Trace_stream = <span class="Normal">new</span> trace_stream<span class="Delimiter">;</span>
-<span id="L501" class="LineNr">501 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>tin<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L501" class="LineNr">501 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L238'>has_data</a><span class="Delimiter">(</span>tin<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L502" class="LineNr">502 </span>  <span class="Conceal">¦</span> tin &gt;&gt; std::noskipws<span class="Delimiter">;</span>
 <span id="L503" class="LineNr">503 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>tin<span class="Delimiter">);</span>
 <span id="L504" class="LineNr">504 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!isdigit<span class="Delimiter">(</span>tin<span class="Delimiter">.</span>peek<span class="Delimiter">()))</span> <span class="Delimiter">{</span>
diff --git a/html/101run_sandboxed.cc.html b/html/101run_sandboxed.cc.html
index b8122164..99c7503b 100644
--- a/html/101run_sandboxed.cc.html
+++ b/html/101run_sandboxed.cc.html
@@ -101,10 +101,10 @@ if ('onhashchange' in window) {
 <span id="L37" class="LineNr"> 37 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L38" class="LineNr"> 38 </span>RUN_SANDBOXED<span class="Delimiter">,</span>
 <span id="L39" class="LineNr"> 39 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L40" class="LineNr"> 40 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;run-sandboxed&quot;</span><span class="Delimiter">,</span> RUN_SANDBOXED<span class="Delimiter">);</span>
+<span id="L40" class="LineNr"> 40 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;run-sandboxed&quot;</span><span class="Delimiter">,</span> RUN_SANDBOXED<span class="Delimiter">);</span>
 <span id="L41" class="LineNr"> 41 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L42" class="LineNr"> 42 </span><span class="Normal">case</span> RUN_SANDBOXED: <span class="Delimiter">{</span>
-<span id="L43" class="LineNr"> 43 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L43" class="LineNr"> 43 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L44" class="LineNr"> 44 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'run-sandboxed' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L46" class="LineNr"> 46 </span>  <span class="Delimiter">}</span>
@@ -308,7 +308,7 @@ if ('onhashchange' in window) {
 <span id="L244" class="LineNr">244 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L245" class="LineNr">245 </span>_START_TRACKING_PRODUCTS<span class="Delimiter">,</span>
 <span id="L246" class="LineNr">246 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L247" class="LineNr">247 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$start-tracking-products&quot;</span><span class="Delimiter">,</span> _START_TRACKING_PRODUCTS<span class="Delimiter">);</span>
+<span id="L247" class="LineNr">247 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$start-tracking-products&quot;</span><span class="Delimiter">,</span> _START_TRACKING_PRODUCTS<span class="Delimiter">);</span>
 <span id="L248" class="LineNr">248 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L249" class="LineNr">249 </span><span class="Normal">case</span> _START_TRACKING_PRODUCTS: <span class="Delimiter">{</span>
 <span id="L250" class="LineNr">250 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -316,14 +316,14 @@ if ('onhashchange' in window) {
 <span id="L252" class="LineNr">252 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L253" class="LineNr">253 </span><span class="Normal">case</span> _START_TRACKING_PRODUCTS: <span class="Delimiter">{</span>
 <span id="L254" class="LineNr">254 </span>  Track_most_recent_products = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L255" class="LineNr">255 </span>  Call_depth_to_track_most_recent_products_at = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">);</span>
+<span id="L255" class="LineNr">255 </span>  Call_depth_to_track_most_recent_products_at = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">);</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L257" class="LineNr">257 </span><span class="Delimiter">}</span>
 <span id="L258" class="LineNr">258 </span>
 <span id="L259" class="LineNr">259 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L260" class="LineNr">260 </span>_STOP_TRACKING_PRODUCTS<span class="Delimiter">,</span>
 <span id="L261" class="LineNr">261 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L262" class="LineNr">262 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$stop-tracking-products&quot;</span><span class="Delimiter">,</span> _STOP_TRACKING_PRODUCTS<span class="Delimiter">);</span>
+<span id="L262" class="LineNr">262 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$stop-tracking-products&quot;</span><span class="Delimiter">,</span> _STOP_TRACKING_PRODUCTS<span class="Delimiter">);</span>
 <span id="L263" class="LineNr">263 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L264" class="LineNr">264 </span><span class="Normal">case</span> _STOP_TRACKING_PRODUCTS: <span class="Delimiter">{</span>
 <span id="L265" class="LineNr">265 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -337,7 +337,7 @@ if ('onhashchange' in window) {
 <span id="L273" class="LineNr">273 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L274" class="LineNr">274 </span>_MOST_RECENT_PRODUCTS<span class="Delimiter">,</span>
 <span id="L275" class="LineNr">275 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L276" class="LineNr">276 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$most-recent-products&quot;</span><span class="Delimiter">,</span> _MOST_RECENT_PRODUCTS<span class="Delimiter">);</span>
+<span id="L276" class="LineNr">276 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$most-recent-products&quot;</span><span class="Delimiter">,</span> _MOST_RECENT_PRODUCTS<span class="Delimiter">);</span>
 <span id="L277" class="LineNr">277 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L278" class="LineNr">278 </span><span class="Normal">case</span> _MOST_RECENT_PRODUCTS: <span class="Delimiter">{</span>
 <span id="L279" class="LineNr">279 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -352,7 +352,7 @@ if ('onhashchange' in window) {
 <span id="L288" class="LineNr">288 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L289" class="LineNr">289 </span>SAVE_ERRORS<span class="Delimiter">,</span>
 <span id="L290" class="LineNr">290 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L291" class="LineNr">291 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;save-errors&quot;</span><span class="Delimiter">,</span> SAVE_ERRORS<span class="Delimiter">);</span>
+<span id="L291" class="LineNr">291 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;save-errors&quot;</span><span class="Delimiter">,</span> SAVE_ERRORS<span class="Delimiter">);</span>
 <span id="L292" class="LineNr">292 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L293" class="LineNr">293 </span><span class="Normal">case</span> SAVE_ERRORS: <span class="Delimiter">{</span>
 <span id="L294" class="LineNr">294 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -367,7 +367,7 @@ if ('onhashchange' in window) {
 <span id="L303" class="LineNr">303 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L304" class="LineNr">304 </span>SAVE_APP_TRACE<span class="Delimiter">,</span>
 <span id="L305" class="LineNr">305 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L306" class="LineNr">306 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;save-app-trace&quot;</span><span class="Delimiter">,</span> SAVE_APP_TRACE<span class="Delimiter">);</span>
+<span id="L306" class="LineNr">306 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;save-app-trace&quot;</span><span class="Delimiter">,</span> SAVE_APP_TRACE<span class="Delimiter">);</span>
 <span id="L307" class="LineNr">307 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L308" class="LineNr">308 </span><span class="Normal">case</span> SAVE_APP_TRACE: <span class="Delimiter">{</span>
 <span id="L309" class="LineNr">309 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -382,7 +382,7 @@ if ('onhashchange' in window) {
 <span id="L318" class="LineNr">318 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L319" class="LineNr">319 </span>_CLEANUP_RUN_SANDBOXED<span class="Delimiter">,</span>
 <span id="L320" class="LineNr">320 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L321" class="LineNr">321 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$cleanup-run-sandboxed&quot;</span><span class="Delimiter">,</span> _CLEANUP_RUN_SANDBOXED<span class="Delimiter">);</span>
+<span id="L321" class="LineNr">321 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$cleanup-run-sandboxed&quot;</span><span class="Delimiter">,</span> _CLEANUP_RUN_SANDBOXED<span class="Delimiter">);</span>
 <span id="L322" class="LineNr">322 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L323" class="LineNr">323 </span><span class="Normal">case</span> _CLEANUP_RUN_SANDBOXED: <span class="Delimiter">{</span>
 <span id="L324" class="LineNr">324 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -497,19 +497,19 @@ if ('onhashchange' in window) {
 <span id="L433" class="LineNr">433 </span><span class="traceContains">+mem: storing 0 in location 3</span>
 <span id="L434" class="LineNr">434 </span>
 <span id="L435" class="LineNr">435 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
-<span id="L436" class="LineNr">436 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">)</span> == Call_depth_to_track_most_recent_products_at
+<span id="L436" class="LineNr">436 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">)</span> == Call_depth_to_track_most_recent_products_at
 <span id="L437" class="LineNr">437 </span>  <span class="Conceal">¦</span> &amp;&amp; !current_instruction<span class="Delimiter">().</span>is_label
 <span id="L438" class="LineNr">438 </span>  <span class="Conceal">¦</span> &amp;&amp; current_instruction<span class="Delimiter">().</span>name != <span class="Constant">&quot;$stop-tracking-products&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L439" class="LineNr">439 </span>  Most_recent_products = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
 <span id="L440" class="LineNr">440 </span><span class="Delimiter">}</span>
 <span id="L441" class="LineNr">441 </span><span class="Delimiter">:(before &quot;End Running One Instruction&quot;)</span>
-<span id="L442" class="LineNr">442 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">)</span> == Call_depth_to_track_most_recent_products_at<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L442" class="LineNr">442 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">)</span> == Call_depth_to_track_most_recent_products_at<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L443" class="LineNr">443 </span>  Most_recent_products = <a href='101run_sandboxed.cc.html#L446'>track_most_recent_products</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">(),</span> products<span class="Delimiter">);</span>
 <span id="L444" class="LineNr">444 </span><span class="Delimiter">}</span>
 <span id="L445" class="LineNr">445 </span><span class="Delimiter">:(code)</span>
 <span id="L446" class="LineNr">446 </span>string <a href='101run_sandboxed.cc.html#L446'>track_most_recent_products</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; <a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;vector&lt;<span class="Normal">double</span>&gt; &gt;&amp; products<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L447" class="LineNr">447 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L448" class="LineNr">448 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L448" class="LineNr">448 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L449" class="LineNr">449 </span>  <span class="Conceal">¦</span> <span class="Comment">// A sandbox can print a string result, but only if it is actually saved</span>
 <span id="L450" class="LineNr">450 </span>  <span class="Conceal">¦</span> <span class="Comment">// to a variable in the sandbox, because otherwise the results are</span>
 <span id="L451" class="LineNr">451 </span>  <span class="Conceal">¦</span> <span class="Comment">// reclaimed before the sandbox sees them. So you get these interactions</span>
@@ -520,14 +520,14 @@ if ('onhashchange' in window) {
 <span id="L456" class="LineNr">456 </span>  <span class="Conceal">¦</span> <span class="Comment">//</span>
 <span id="L457" class="LineNr">457 </span>  <span class="Conceal">¦</span> <span class="Comment">//    x:text &lt;- new [abc]</span>
 <span id="L458" class="LineNr">458 </span>  <span class="Conceal">¦</span> <span class="Comment">//    =&gt; abc</span>
-<span id="L459" class="LineNr">459 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span><a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L459" class="LineNr">459 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L460" class="LineNr">460 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='027call_ingredient.cc.html#L174'>is_mu_text</a><span class="Delimiter">(</span><a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
 <span id="L461" class="LineNr">461 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error handled elsewhere</span>
 <span id="L462" class="LineNr">462 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L463" class="LineNr">463 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L464" class="LineNr">464 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L465" class="LineNr">465 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L466" class="LineNr">466 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> ++j<span class="Delimiter">)</span>
+<span id="L466" class="LineNr">466 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> ++j<span class="Delimiter">)</span>
 <span id="L467" class="LineNr">467 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; no_scientific<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
 <span id="L468" class="LineNr">468 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L469" class="LineNr">469 </span>  <span class="Delimiter">}</span>
@@ -537,12 +537,12 @@ if ('onhashchange' in window) {
 <span id="L473" class="LineNr">473 </span><span class="Delimiter">:(code)</span>
 <span id="L474" class="LineNr">474 </span>string <a href='101run_sandboxed.cc.html#L474'>strip_comments</a><span class="Delimiter">(</span>string in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L475" class="LineNr">475 </span>  ostringstream result<span class="Delimiter">;</span>
-<span id="L476" class="LineNr">476 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L476" class="LineNr">476 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L477" class="LineNr">477 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> != <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L478" class="LineNr">478 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result &lt;&lt; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
 <span id="L479" class="LineNr">479 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L480" class="LineNr">480 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L481" class="LineNr">481 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>i+<span class="Constant">1</span> &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i+<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span>
+<span id="L481" class="LineNr">481 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>i+<span class="Constant">1</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i+<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span>
 <span id="L482" class="LineNr">482 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++i<span class="Delimiter">;</span>
 <span id="L483" class="LineNr">483 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L484" class="LineNr">484 </span>  <span class="Delimiter">}</span>
@@ -552,7 +552,7 @@ if ('onhashchange' in window) {
 <span id="L488" class="LineNr">488 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L488'>stringified_value_of_location</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L489" class="LineNr">489 </span>  <span class="Comment">// convert to string</span>
 <span id="L490" class="LineNr">490 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L491" class="LineNr">491 </span>  out &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">));</span>
+<span id="L491" class="LineNr">491 </span>  out &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L228'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">));</span>
 <span id="L492" class="LineNr">492 </span>  <span class="Identifier">return</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
 <span id="L493" class="LineNr">493 </span><span class="Delimiter">}</span>
 <span id="L494" class="LineNr">494 </span>
@@ -585,7 +585,7 @@ if ('onhashchange' in window) {
 <span id="L521" class="LineNr">521 </span><span class="Delimiter">}</span>
 <span id="L522" class="LineNr">522 </span>
 <span id="L523" class="LineNr">523 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L523'>truncate</a><span class="Delimiter">(</span>string&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L524" class="LineNr">524 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &gt; <span class="Constant">1024</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L524" class="LineNr">524 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &gt; <span class="Constant">1024</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L525" class="LineNr">525 </span>  <span class="Conceal">¦</span> x<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">1024</span><span class="Delimiter">);</span>
 <span id="L526" class="LineNr">526 </span>  <span class="Conceal">¦</span> *x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
 <span id="L527" class="LineNr">527 </span>  <span class="Conceal">¦</span> *++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span>
@@ -599,10 +599,10 @@ if ('onhashchange' in window) {
 <span id="L535" class="LineNr">535 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L536" class="LineNr">536 </span>RELOAD<span class="Delimiter">,</span>
 <span id="L537" class="LineNr">537 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L538" class="LineNr">538 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;reload&quot;</span><span class="Delimiter">,</span> RELOAD<span class="Delimiter">);</span>
+<span id="L538" class="LineNr">538 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;reload&quot;</span><span class="Delimiter">,</span> RELOAD<span class="Delimiter">);</span>
 <span id="L539" class="LineNr">539 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L540" class="LineNr">540 </span><span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
-<span id="L541" class="LineNr">541 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L541" class="LineNr">541 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L542" class="LineNr">542 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'reload' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L543" class="LineNr">543 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L544" class="LineNr">544 </span>  <span class="Delimiter">}</span>
diff --git a/sandbox/Readme.md b/sandbox/Readme.md
index b8ac4409..e8acd78b 100644
--- a/sandbox/Readme.md
+++ b/sandbox/Readme.md
@@ -18,3 +18,16 @@ either side to run the sandbox.
 
 Known issues: you have to explicitly save inside your editor before hitting
 F4, unlike with `./mu edit`.
+
+---
+
+Appendix: keyboard shortcuts
+
+  _moving_
+  - `ctrl-a` or `home`: move cursor to start of line
+  - `ctrl-e` or `end`: move cursor to end of line
+
+  _modifying text_
+  - `ctrl-k`: delete text from cursor to end of line
+  - `ctrl-u`: delete text from start of line until just before cursor
+  - `ctrl-/`: comment/uncomment current line (using a special leader to ignore real comments https://www.reddit.com/r/vim/comments/4ootmz/_/d4ehmql)