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authorKartik Agaram <vc@akkartik.com>2020-11-16 20:44:02 -0800
committerKartik Agaram <vc@akkartik.com>2020-11-16 20:44:02 -0800
commitdd60a1d73c8017fd3d80ccf91e4549fc47a90760 (patch)
tree2b0e24d15102aa7dd53284511371c0f579c14bbe /html/apps/tile/environment.mu.html
parent3d31467c0dae1d879111901635d257353aae27c9 (diff)
downloadmu-dd60a1d73c8017fd3d80ccf91e4549fc47a90760.tar.gz
7252
Diffstat (limited to 'html/apps/tile/environment.mu.html')
-rw-r--r--html/apps/tile/environment.mu.html966
1 files changed, 483 insertions, 483 deletions
diff --git a/html/apps/tile/environment.mu.html b/html/apps/tile/environment.mu.html
index 3fedae36..944f0019 100644
--- a/html/apps/tile/environment.mu.html
+++ b/html/apps/tile/environment.mu.html
@@ -60,8 +60,8 @@ if ('onhashchange' in window) {
 <pre id='vimCodeElement'>
 <span id="L1" class="LineNr">   1 </span><span class="PreProc">type</span> <a href='environment.mu.html#L1'>environment</a> <span class="Delimiter">{</span>
 <span id="L2" class="LineNr">   2 </span>  <a href='../../405screen.mu.html#L9'>screen</a>: (handle <a href='../../405screen.mu.html#L9'>screen</a>)
-<span id="L3" class="LineNr">   3 </span>  functions: (handle function)
-<span id="L4" class="LineNr">   4 </span>  sandboxes: (handle sandbox)
+<span id="L3" class="LineNr">   3 </span>  functions: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L4" class="LineNr">   4 </span>  sandboxes: (handle <a href='data.mu.html#L1'>sandbox</a>)
 <span id="L5" class="LineNr">   5 </span>  nrows: int
 <span id="L6" class="LineNr">   6 </span>  ncols: int
 <span id="L7" class="LineNr">   7 </span>  code-separator-col: int
@@ -70,13 +70,13 @@ if ('onhashchange' in window) {
 <span id="L10" class="LineNr">  10 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L10'>initialize-environment</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
 <span id="L11" class="LineNr">  11 </span>  <span class="PreProc">var</span> env/<span class="Constant">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="SpecialChar">&lt;-</span> copy _env
 <span id="L12" class="LineNr">  12 </span>  <span class="muComment"># initialize some predefined function definitions</span>
-<span id="L13" class="LineNr">  13 </span>  <span class="PreProc">var</span> functions/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
-<span id="L14" class="LineNr">  14 </span>  create-primitive-functions functions
+<span id="L13" class="LineNr">  13 </span>  <span class="PreProc">var</span> functions/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
+<span id="L14" class="LineNr">  14 </span>  <a href='data.mu.html#L98'>create-primitive-functions</a> functions
 <span id="L15" class="LineNr">  15 </span>  <span class="muComment"># initialize first sandbox</span>
-<span id="L16" class="LineNr">  16 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
+<span id="L16" class="LineNr">  16 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
 <span id="L17" class="LineNr">  17 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> sandbox-ah
-<span id="L18" class="LineNr">  18 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
-<span id="L19" class="LineNr">  19 </span>  initialize-sandbox sandbox
+<span id="L18" class="LineNr">  18 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
+<span id="L19" class="LineNr">  19 </span>  <a href='data.mu.html#L75'>initialize-sandbox</a> <a href='data.mu.html#L1'>sandbox</a>
 <span id="L20" class="LineNr">  20 </span>  <span class="muComment"># initialize screen</span>
 <span id="L21" class="LineNr">  21 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">eax</span>: (addr handle <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L22" class="LineNr">  22 </span>  <span class="PreProc">var</span> _screen/<span class="Constant">eax</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *screen-ah
@@ -122,115 +122,115 @@ if ('onhashchange' in window) {
 <span id="L62" class="LineNr">  62 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L62'>process</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), key: grapheme <span class="Delimiter">{</span>
 <span id="L63" class="LineNr">  63 </span>$process:body: <span class="Delimiter">{</span>
 <span id="L64" class="LineNr">  64 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="SpecialChar">&lt;-</span> copy _self
-<span id="L65" class="LineNr">  65 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, sandboxes
-<span id="L66" class="LineNr">  66 </span>  <span class="PreProc">var</span> _sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
-<span id="L67" class="LineNr">  67 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L68" class="LineNr">  68 </span>  <span class="PreProc">var</span> rename-word-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
-<span id="L69" class="LineNr">  69 </span>  <span class="PreProc">var</span> rename-word-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *rename-word-mode-ah?
+<span id="L65" class="LineNr">  65 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, sandboxes
+<span id="L66" class="LineNr">  66 </span>  <span class="PreProc">var</span> _sandbox/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
+<span id="L67" class="LineNr">  67 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">edi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L68" class="LineNr">  68 </span>  <span class="PreProc">var</span> rename-word-mode-ah?/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-cursor-word
+<span id="L69" class="LineNr">  69 </span>  <span class="PreProc">var</span> rename-word-mode?/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *rename-word-mode-ah?
 <span id="L70" class="LineNr">  70 </span>  compare rename-word-mode?, <span class="Constant">0</span>
 <span id="L71" class="LineNr">  71 </span>  <span class="Delimiter">{</span>
 <span id="L72" class="LineNr">  72 </span>    <span class="PreProc">break-if-=</span>
 <span id="L73" class="LineNr">  73 </span><span class="CommentedCode">#?     print-string 0, &quot;processing sandbox rename\n&quot;</span>
-<span id="L74" class="LineNr">  74 </span>    <a href='environment.mu.html#L517'>process-sandbox-rename</a> sandbox, key
+<span id="L74" class="LineNr">  74 </span>    <a href='environment.mu.html#L517'>process-sandbox-rename</a> <a href='data.mu.html#L1'>sandbox</a>, key
 <span id="L75" class="LineNr">  75 </span>    <span class="PreProc">break</span> $process:body
 <span id="L76" class="LineNr">  76 </span>  <span class="Delimiter">}</span>
-<span id="L77" class="LineNr">  77 </span>  <span class="PreProc">var</span> define-function-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
-<span id="L78" class="LineNr">  78 </span>  <span class="PreProc">var</span> define-function-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *define-function-mode-ah?
+<span id="L77" class="LineNr">  77 </span>  <span class="PreProc">var</span> define-function-mode-ah?/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-function
+<span id="L78" class="LineNr">  78 </span>  <span class="PreProc">var</span> define-function-mode?/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *define-function-mode-ah?
 <span id="L79" class="LineNr">  79 </span>  compare define-function-mode?, <span class="Constant">0</span>
 <span id="L80" class="LineNr">  80 </span>  <span class="Delimiter">{</span>
 <span id="L81" class="LineNr">  81 </span>    <span class="PreProc">break-if-=</span>
 <span id="L82" class="LineNr">  82 </span><span class="CommentedCode">#?     print-string 0, &quot;processing function definition\n&quot;</span>
-<span id="L83" class="LineNr">  83 </span>    <span class="PreProc">var</span> functions/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
-<span id="L84" class="LineNr">  84 </span>    <a href='environment.mu.html#L635'>process-sandbox-define</a> sandbox, functions, key
+<span id="L83" class="LineNr">  83 </span>    <span class="PreProc">var</span> functions/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
+<span id="L84" class="LineNr">  84 </span>    <a href='environment.mu.html#L635'>process-sandbox-define</a> <a href='data.mu.html#L1'>sandbox</a>, functions, key
 <span id="L85" class="LineNr">  85 </span>    <span class="PreProc">break</span> $process:body
 <span id="L86" class="LineNr">  86 </span>  <span class="Delimiter">}</span>
 <span id="L87" class="LineNr">  87 </span><span class="CommentedCode">#?   print-string 0, &quot;processing sandbox\n&quot;</span>
-<span id="L88" class="LineNr">  88 </span>  <a href='environment.mu.html#L92'>process-sandbox</a> self, sandbox, key
+<span id="L88" class="LineNr">  88 </span>  <a href='environment.mu.html#L92'>process-sandbox</a> self, <a href='data.mu.html#L1'>sandbox</a>, key
 <span id="L89" class="LineNr">  89 </span><span class="Delimiter">}</span>
 <span id="L90" class="LineNr">  90 </span><span class="Delimiter">}</span>
 <span id="L91" class="LineNr">  91 </span>
-<span id="L92" class="LineNr">  92 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L92'>process-sandbox</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), _sandbox: (addr sandbox), key: grapheme <span class="Delimiter">{</span>
+<span id="L92" class="LineNr">  92 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L92'>process-sandbox</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), key: grapheme <span class="Delimiter">{</span>
 <span id="L93" class="LineNr">  93 </span>$process-sandbox:body: <span class="Delimiter">{</span>
 <span id="L94" class="LineNr">  94 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="SpecialChar">&lt;-</span> copy _self
-<span id="L95" class="LineNr">  95 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L96" class="LineNr">  96 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L97" class="LineNr">  97 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L98" class="LineNr">  98 </span>  <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">ebx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L99" class="LineNr">  99 </span>  <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L100" class="LineNr"> 100 </span>  <span class="PreProc">var</span> cursor-word/<span class="Constant">ecx</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _cursor-word
+<span id="L95" class="LineNr">  95 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">edi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L96" class="LineNr">  96 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L97" class="LineNr">  97 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L98" class="LineNr">  98 </span>  <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">ebx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L99" class="LineNr">  99 </span>  <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L100" class="LineNr"> 100 </span>  <span class="PreProc">var</span> cursor-word/<span class="Constant">ecx</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> copy _cursor-word
 <span id="L101" class="LineNr"> 101 </span>  compare key, <span class="Constant">0x445b1b</span>  <span class="muComment"># left-arrow</span>
 <span id="L102" class="LineNr"> 102 </span>  $process-sandbox:key-left-arrow: <span class="Delimiter">{</span>
 <span id="L103" class="LineNr"> 103 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L104" class="LineNr"> 104 </span><span class="CommentedCode">#?     print-string 0, &quot;left-arrow\n&quot;</span>
 <span id="L105" class="LineNr"> 105 </span>    <span class="muComment"># if not at start, move left within current word</span>
-<span id="L106" class="LineNr"> 106 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? cursor-word
+<span id="L106" class="LineNr"> 106 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L171'>cursor-at-start?</a> cursor-word
 <span id="L107" class="LineNr"> 107 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L108" class="LineNr"> 108 </span>    <span class="Delimiter">{</span>
 <span id="L109" class="LineNr"> 109 </span>      <span class="PreProc">break-if-!=</span>
 <span id="L110" class="LineNr"> 110 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor left within word\n&quot;</span>
-<span id="L111" class="LineNr"> 111 </span>      cursor-left cursor-word
+<span id="L111" class="LineNr"> 111 </span>      <a href='word.mu.html#L187'>cursor-left</a> cursor-word
 <span id="L112" class="LineNr"> 112 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L113" class="LineNr"> 113 </span>    <span class="Delimiter">}</span>
 <span id="L114" class="LineNr"> 114 </span>    <span class="muComment"># if current word is expanded, move to the rightmost word in its body</span>
 <span id="L115" class="LineNr"> 115 </span>    <span class="Delimiter">{</span>
-<span id="L116" class="LineNr"> 116 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">esi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L117" class="LineNr"> 117 </span>      <span class="PreProc">var</span> expanded-words/<span class="Constant">edx</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
-<span id="L118" class="LineNr"> 118 </span>      <span class="PreProc">var</span> curr-word-is-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, cursor-call-path
+<span id="L116" class="LineNr"> 116 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">esi</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L117" class="LineNr"> 117 </span>      <span class="PreProc">var</span> expanded-words/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L59'>call-path</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, expanded-words
+<span id="L118" class="LineNr"> 118 </span>      <span class="PreProc">var</span> curr-word-is-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L447'>find-in-call-paths</a> expanded-words, cursor-call-path
 <span id="L119" class="LineNr"> 119 </span>      compare curr-word-is-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L120" class="LineNr"> 120 </span>      <span class="PreProc">break-if-=</span>
 <span id="L121" class="LineNr"> 121 </span>      <span class="muComment"># update cursor-call-path</span>
 <span id="L122" class="LineNr"> 122 </span><span class="CommentedCode">#?       print-string 0, &quot;curr word is expanded\n&quot;</span>
 <span id="L123" class="LineNr"> 123 </span>      <span class="PreProc">var</span> self/<span class="Constant">ecx</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="SpecialChar">&lt;-</span> copy _self
-<span id="L124" class="LineNr"> 124 </span>      <span class="PreProc">var</span> functions/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
-<span id="L125" class="LineNr"> 125 </span>      <span class="PreProc">var</span> body: (handle line)
-<span id="L126" class="LineNr"> 126 </span>      <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address body
-<span id="L127" class="LineNr"> 127 </span>      function-body functions, cursor-word-ah, body-ah
-<span id="L128" class="LineNr"> 128 </span>      <span class="PreProc">var</span> body-addr/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
-<span id="L129" class="LineNr"> 129 </span>      <span class="PreProc">var</span> first-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body-addr, data
-<span id="L130" class="LineNr"> 130 </span>      <span class="PreProc">var</span> final-word-h: (handle word)
-<span id="L131" class="LineNr"> 131 </span>      <span class="PreProc">var</span> final-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> address final-word-h
-<span id="L132" class="LineNr"> 132 </span>      final-word first-word-ah, final-word-ah
-<span id="L133" class="LineNr"> 133 </span>      push-to-call-path-element cursor-call-path, final-word-ah
+<span id="L124" class="LineNr"> 124 </span>      <span class="PreProc">var</span> functions/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
+<span id="L125" class="LineNr"> 125 </span>      <span class="PreProc">var</span> body: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L126" class="LineNr"> 126 </span>      <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> address body
+<span id="L127" class="LineNr"> 127 </span>      <a href='data.mu.html#L352'>function-body</a> functions, cursor-word-ah, body-ah
+<span id="L128" class="LineNr"> 128 </span>      <span class="PreProc">var</span> body-addr/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
+<span id="L129" class="LineNr"> 129 </span>      <span class="PreProc">var</span> first-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body-addr, data
+<span id="L130" class="LineNr"> 130 </span>      <span class="PreProc">var</span> final-word-h: (handle <a href='data.mu.html#L30'>word</a>)
+<span id="L131" class="LineNr"> 131 </span>      <span class="PreProc">var</span> final-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> address final-word-h
+<span id="L132" class="LineNr"> 132 </span>      <a href='word.mu.html#L130'>final-word</a> first-word-ah, final-word-ah
+<span id="L133" class="LineNr"> 133 </span>      <a href='data.mu.html#L635'>push-to-call-path-element</a> cursor-call-path, final-word-ah
 <span id="L134" class="LineNr"> 134 </span>      <span class="muComment"># move cursor to end of word</span>
-<span id="L135" class="LineNr"> 135 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L136" class="LineNr"> 136 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L137" class="LineNr"> 137 </span>      <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L138" class="LineNr"> 138 </span>      <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L139" class="LineNr"> 139 </span>      cursor-to-end cursor-word
+<span id="L135" class="LineNr"> 135 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L136" class="LineNr"> 136 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L137" class="LineNr"> 137 </span>      <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L138" class="LineNr"> 138 </span>      <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L139" class="LineNr"> 139 </span>      <a href='word.mu.html#L208'>cursor-to-end</a> cursor-word
 <span id="L140" class="LineNr"> 140 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L141" class="LineNr"> 141 </span>    <span class="Delimiter">}</span>
 <span id="L142" class="LineNr"> 142 </span>    <span class="muComment"># if at first word, look for a caller to jump to</span>
 <span id="L143" class="LineNr"> 143 </span>    $process-sandbox:key-left-arrow-first-word: <span class="Delimiter">{</span>
-<span id="L144" class="LineNr"> 144 </span>      <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L145" class="LineNr"> 145 </span>      <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L144" class="LineNr"> 144 </span>      <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L145" class="LineNr"> 145 </span>      <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
 <span id="L146" class="LineNr"> 146 </span>      compare prev-word, <span class="Constant">0</span>
 <span id="L147" class="LineNr"> 147 </span>      <span class="PreProc">break-if-!=</span>
 <span id="L148" class="LineNr"> 148 </span>      $process-sandbox:key-left-arrow-first-word-and-caller: <span class="Delimiter">{</span>
 <span id="L149" class="LineNr"> 149 </span><span class="CommentedCode">#?         print-string 0, &quot;return\n&quot;</span>
 <span id="L150" class="LineNr"> 150 </span>        <span class="Delimiter">{</span>
-<span id="L151" class="LineNr"> 151 </span>          <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L152" class="LineNr"> 152 </span>          <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L153" class="LineNr"> 153 </span>          <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">edx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L154" class="LineNr"> 154 </span>          <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
+<span id="L151" class="LineNr"> 151 </span>          <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L152" class="LineNr"> 152 </span>          <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L153" class="LineNr"> 153 </span>          <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L154" class="LineNr"> 154 </span>          <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
 <span id="L155" class="LineNr"> 155 </span>          compare next-cursor-element, <span class="Constant">0</span>
 <span id="L156" class="LineNr"> 156 </span>          <span class="PreProc">break-if-=</span> $process-sandbox:key-left-arrow-first-word-and-caller
 <span id="L157" class="LineNr"> 157 </span>          copy-object next-cursor-element-ah, cursor-call-path-ah
 <span id="L158" class="LineNr"> 158 </span>        <span class="Delimiter">}</span>
-<span id="L159" class="LineNr"> 159 </span>        <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L160" class="LineNr"> 160 </span>        <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L161" class="LineNr"> 161 </span>        <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L162" class="LineNr"> 162 </span>        <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L159" class="LineNr"> 159 </span>        <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L160" class="LineNr"> 160 </span>        <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L161" class="LineNr"> 161 </span>        <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L162" class="LineNr"> 162 </span>        <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
 <span id="L163" class="LineNr"> 163 </span>        cursor-word <span class="SpecialChar">&lt;-</span> copy _cursor-word
 <span id="L164" class="LineNr"> 164 </span>      <span class="Delimiter">}</span>
 <span id="L165" class="LineNr"> 165 </span>    <span class="Delimiter">}</span>
 <span id="L166" class="LineNr"> 166 </span>    <span class="muComment"># then move to end of previous word</span>
-<span id="L167" class="LineNr"> 167 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L168" class="LineNr"> 168 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L167" class="LineNr"> 167 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L168" class="LineNr"> 168 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
 <span id="L169" class="LineNr"> 169 </span>    <span class="Delimiter">{</span>
 <span id="L170" class="LineNr"> 170 </span>      compare prev-word, <span class="Constant">0</span>
 <span id="L171" class="LineNr"> 171 </span>      <span class="PreProc">break-if-=</span>
 <span id="L172" class="LineNr"> 172 </span><span class="CommentedCode">#?       print-string 0, &quot;move to previous word\n&quot;</span>
-<span id="L173" class="LineNr"> 173 </span>      cursor-to-end prev-word
+<span id="L173" class="LineNr"> 173 </span>      <a href='word.mu.html#L208'>cursor-to-end</a> prev-word
 <span id="L174" class="LineNr"> 174 </span><span class="CommentedCode">#?       {</span>
 <span id="L175" class="LineNr"> 175 </span><span class="CommentedCode">#?         var cursor-call-path-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
 <span id="L176" class="LineNr"> 176 </span><span class="CommentedCode">#?         var cursor-call-path/eax: (addr call-path-element) &lt;- lookup *cursor-call-path-ah</span>
@@ -241,8 +241,8 @@ if ('onhashchange' in window) {
 <span id="L181" class="LineNr"> 181 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
 <span id="L182" class="LineNr"> 182 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
 <span id="L183" class="LineNr"> 183 </span><span class="CommentedCode">#?       }</span>
-<span id="L184" class="LineNr"> 184 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L185" class="LineNr"> 185 </span>      decrement-final-element cursor-call-path
+<span id="L184" class="LineNr"> 184 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L185" class="LineNr"> 185 </span>      <a href='data.mu.html#L585'>decrement-final-element</a> cursor-call-path
 <span id="L186" class="LineNr"> 186 </span><span class="CommentedCode">#?       {</span>
 <span id="L187" class="LineNr"> 187 </span><span class="CommentedCode">#?         var cursor-call-path-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
 <span id="L188" class="LineNr"> 188 </span><span class="CommentedCode">#?         var cursor-call-path/eax: (addr call-path-element) &lt;- lookup *cursor-call-path-ah</span>
@@ -260,65 +260,65 @@ if ('onhashchange' in window) {
 <span id="L200" class="LineNr"> 200 </span>  $process-sandbox:key-right-arrow: <span class="Delimiter">{</span>
 <span id="L201" class="LineNr"> 201 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L202" class="LineNr"> 202 </span>    <span class="muComment"># if not at end, move right within current word</span>
-<span id="L203" class="LineNr"> 203 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-end? cursor-word
+<span id="L203" class="LineNr"> 203 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L179'>cursor-at-end?</a> cursor-word
 <span id="L204" class="LineNr"> 204 </span>    compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L205" class="LineNr"> 205 </span>    <span class="Delimiter">{</span>
 <span id="L206" class="LineNr"> 206 </span>      <span class="PreProc">break-if-!=</span>
 <span id="L207" class="LineNr"> 207 </span><span class="CommentedCode">#?       print-string 0, &quot;a\n&quot;</span>
-<span id="L208" class="LineNr"> 208 </span>      cursor-right cursor-word
+<span id="L208" class="LineNr"> 208 </span>      <a href='word.mu.html#L194'>cursor-right</a> cursor-word
 <span id="L209" class="LineNr"> 209 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L210" class="LineNr"> 210 </span>    <span class="Delimiter">}</span>
 <span id="L211" class="LineNr"> 211 </span>    <span class="muComment"># if at final word, look for a caller to jump to</span>
 <span id="L212" class="LineNr"> 212 </span>    <span class="Delimiter">{</span>
-<span id="L213" class="LineNr"> 213 </span>      <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
-<span id="L214" class="LineNr"> 214 </span>      <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L213" class="LineNr"> 213 </span>      <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
+<span id="L214" class="LineNr"> 214 </span>      <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
 <span id="L215" class="LineNr"> 215 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
 <span id="L216" class="LineNr"> 216 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L217" class="LineNr"> 217 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L218" class="LineNr"> 218 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L219" class="LineNr"> 219 </span>      <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L220" class="LineNr"> 220 </span>      <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
+<span id="L217" class="LineNr"> 217 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L218" class="LineNr"> 218 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L219" class="LineNr"> 219 </span>      <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L220" class="LineNr"> 220 </span>      <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
 <span id="L221" class="LineNr"> 221 </span>      compare next-cursor-element, <span class="Constant">0</span>
 <span id="L222" class="LineNr"> 222 </span>      <span class="PreProc">break-if-=</span>
 <span id="L223" class="LineNr"> 223 </span>      copy-object next-cursor-element-ah, cursor-call-path-ah
 <span id="L224" class="LineNr"> 224 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L225" class="LineNr"> 225 </span>    <span class="Delimiter">}</span>
 <span id="L226" class="LineNr"> 226 </span>    <span class="muComment"># otherwise, move to the next word</span>
-<span id="L227" class="LineNr"> 227 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
-<span id="L228" class="LineNr"> 228 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L227" class="LineNr"> 227 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
+<span id="L228" class="LineNr"> 228 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
 <span id="L229" class="LineNr"> 229 </span>    <span class="Delimiter">{</span>
 <span id="L230" class="LineNr"> 230 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
 <span id="L231" class="LineNr"> 231 </span>      <span class="PreProc">break-if-=</span>
 <span id="L232" class="LineNr"> 232 </span><span class="CommentedCode">#?       print-string 0, &quot;b\n&quot;</span>
-<span id="L233" class="LineNr"> 233 </span>      cursor-to-start <a href='../../127next-word.subx.html#L10'>next-word</a>
+<span id="L233" class="LineNr"> 233 </span>      <a href='word.mu.html#L201'>cursor-to-start</a> <a href='../../127next-word.subx.html#L10'>next-word</a>
 <span id="L234" class="LineNr"> 234 </span>      <span class="muS2Comment"># . . cursor-word now out of date</span>
-<span id="L235" class="LineNr"> 235 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L236" class="LineNr"> 236 </span>      increment-final-element cursor-call-path
+<span id="L235" class="LineNr"> 235 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L236" class="LineNr"> 236 </span>      <a href='data.mu.html#L573'>increment-final-element</a> cursor-call-path
 <span id="L237" class="LineNr"> 237 </span>      <span class="muComment"># Is the new cursor word expanded? If so, it's a function call. Add a</span>
 <span id="L238" class="LineNr"> 238 </span>      <span class="muComment"># new level to the cursor-call-path for the call's body.</span>
 <span id="L239" class="LineNr"> 239 </span>      $process-sandbox:key-right-arrow-next-word-is-call-expanded: <span class="Delimiter">{</span>
 <span id="L240" class="LineNr"> 240 </span><span class="CommentedCode">#?         print-string 0, &quot;c\n&quot;</span>
 <span id="L241" class="LineNr"> 241 </span>        <span class="Delimiter">{</span>
-<span id="L242" class="LineNr"> 242 </span>          <span class="PreProc">var</span> expanded-words/<span class="Constant">eax</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
-<span id="L243" class="LineNr"> 243 </span>          <span class="PreProc">var</span> curr-word-is-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, cursor-call-path
+<span id="L242" class="LineNr"> 242 </span>          <span class="PreProc">var</span> expanded-words/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L59'>call-path</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, expanded-words
+<span id="L243" class="LineNr"> 243 </span>          <span class="PreProc">var</span> curr-word-is-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L447'>find-in-call-paths</a> expanded-words, cursor-call-path
 <span id="L244" class="LineNr"> 244 </span>          compare curr-word-is-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L245" class="LineNr"> 245 </span>          <span class="PreProc">break-if-=</span> $process-sandbox:key-right-arrow-next-word-is-call-expanded
 <span id="L246" class="LineNr"> 246 </span>        <span class="Delimiter">}</span>
-<span id="L247" class="LineNr"> 247 </span>        <span class="PreProc">var</span> callee-h: (handle function)
-<span id="L248" class="LineNr"> 248 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address callee-h
-<span id="L249" class="LineNr"> 249 </span>        <span class="PreProc">var</span> functions/<span class="Constant">ebx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
+<span id="L247" class="LineNr"> 247 </span>        <span class="PreProc">var</span> callee-h: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L248" class="LineNr"> 248 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> address callee-h
+<span id="L249" class="LineNr"> 249 </span>        <span class="PreProc">var</span> functions/<span class="Constant">ebx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
 <span id="L250" class="LineNr"> 250 </span>        <a href='environment.mu.html#L1385'>callee</a> functions, <a href='../../127next-word.subx.html#L10'>next-word</a>, callee-ah
-<span id="L251" class="LineNr"> 251 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1385'>callee</a>/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
-<span id="L252" class="LineNr"> 252 </span>        <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1385'>callee</a>, body
-<span id="L253" class="LineNr"> 253 </span>        <span class="PreProc">var</span> callee-body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-body-ah
-<span id="L254" class="LineNr"> 254 </span>        <span class="PreProc">var</span> callee-body-first-word/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> callee-body, data
-<span id="L255" class="LineNr"> 255 </span>        push-to-call-path-element cursor-call-path, callee-body-first-word
+<span id="L251" class="LineNr"> 251 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1385'>callee</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
+<span id="L252" class="LineNr"> 252 </span>        <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1385'>callee</a>, body
+<span id="L253" class="LineNr"> 253 </span>        <span class="PreProc">var</span> callee-body/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-body-ah
+<span id="L254" class="LineNr"> 254 </span>        <span class="PreProc">var</span> callee-body-first-word/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> callee-body, data
+<span id="L255" class="LineNr"> 255 </span>        <a href='data.mu.html#L635'>push-to-call-path-element</a> cursor-call-path, callee-body-first-word
 <span id="L256" class="LineNr"> 256 </span>        <span class="muComment"># position cursor at left</span>
-<span id="L257" class="LineNr"> 257 </span>        <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L258" class="LineNr"> 258 </span>        <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L259" class="LineNr"> 259 </span>        <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L260" class="LineNr"> 260 </span>        <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L261" class="LineNr"> 261 </span>        cursor-to-start cursor-word
+<span id="L257" class="LineNr"> 257 </span>        <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L258" class="LineNr"> 258 </span>        <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L259" class="LineNr"> 259 </span>        <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L260" class="LineNr"> 260 </span>        <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L261" class="LineNr"> 261 </span>        <a href='word.mu.html#L201'>cursor-to-start</a> cursor-word
 <span id="L262" class="LineNr"> 262 </span><span class="CommentedCode">#?         print-string 0, &quot;d\n&quot;</span>
 <span id="L263" class="LineNr"> 263 </span>        <span class="PreProc">break</span> $process-sandbox:body
 <span id="L264" class="LineNr"> 264 </span>      <span class="Delimiter">}</span>
@@ -329,14 +329,14 @@ if ('onhashchange' in window) {
 <span id="L269" class="LineNr"> 269 </span>  <span class="Delimiter">{</span>
 <span id="L270" class="LineNr"> 270 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L271" class="LineNr"> 271 </span>    <span class="muComment"># toggle display of subsidiary stack</span>
-<span id="L272" class="LineNr"> 272 </span>    <a href='environment.mu.html#L892'>toggle-cursor-word</a> sandbox
+<span id="L272" class="LineNr"> 272 </span>    <a href='environment.mu.html#L892'>toggle-cursor-word</a> <a href='data.mu.html#L1'>sandbox</a>
 <span id="L273" class="LineNr"> 273 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L274" class="LineNr"> 274 </span>  <span class="Delimiter">}</span>
 <span id="L275" class="LineNr"> 275 </span>  compare key, <span class="Constant">0xc</span>  <span class="muComment"># ctrl-l</span>
 <span id="L276" class="LineNr"> 276 </span>  $process-sandbox:new-line: <span class="Delimiter">{</span>
 <span id="L277" class="LineNr"> 277 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L278" class="LineNr"> 278 </span>    <span class="muComment"># new line in sandbox</span>
-<span id="L279" class="LineNr"> 279 </span>    <a href='environment.mu.html#L920'>append-line</a> sandbox
+<span id="L279" class="LineNr"> 279 </span>    <a href='environment.mu.html#L920'>append-line</a> <a href='data.mu.html#L1'>sandbox</a>
 <span id="L280" class="LineNr"> 280 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L281" class="LineNr"> 281 </span>  <span class="Delimiter">}</span>
 <span id="L282" class="LineNr"> 282 </span>  <span class="muComment"># word-based motions</span>
@@ -344,34 +344,34 @@ if ('onhashchange' in window) {
 <span id="L284" class="LineNr"> 284 </span>  $process-sandbox:prev-word: <span class="Delimiter">{</span>
 <span id="L285" class="LineNr"> 285 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L286" class="LineNr"> 286 </span>    <span class="muComment"># jump to previous word at same level</span>
-<span id="L287" class="LineNr"> 287 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L288" class="LineNr"> 288 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L287" class="LineNr"> 287 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L288" class="LineNr"> 288 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
 <span id="L289" class="LineNr"> 289 </span>    <span class="Delimiter">{</span>
 <span id="L290" class="LineNr"> 290 </span>      compare prev-word, <span class="Constant">0</span>
 <span id="L291" class="LineNr"> 291 </span>      <span class="PreProc">break-if-=</span>
-<span id="L292" class="LineNr"> 292 </span>      cursor-to-end prev-word
-<span id="L293" class="LineNr"> 293 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L294" class="LineNr"> 294 </span>      decrement-final-element cursor-call-path
+<span id="L292" class="LineNr"> 292 </span>      <a href='word.mu.html#L208'>cursor-to-end</a> prev-word
+<span id="L293" class="LineNr"> 293 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L294" class="LineNr"> 294 </span>      <a href='data.mu.html#L585'>decrement-final-element</a> cursor-call-path
 <span id="L295" class="LineNr"> 295 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L296" class="LineNr"> 296 </span>    <span class="Delimiter">}</span>
 <span id="L297" class="LineNr"> 297 </span>    <span class="muComment"># if previous word doesn't exist, try to bump up one level</span>
 <span id="L298" class="LineNr"> 298 </span>    <span class="Delimiter">{</span>
-<span id="L299" class="LineNr"> 299 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L300" class="LineNr"> 300 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L301" class="LineNr"> 301 </span>      <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L302" class="LineNr"> 302 </span>      <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
+<span id="L299" class="LineNr"> 299 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L300" class="LineNr"> 300 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L301" class="LineNr"> 301 </span>      <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L302" class="LineNr"> 302 </span>      <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
 <span id="L303" class="LineNr"> 303 </span>      compare caller-cursor-element, <span class="Constant">0</span>
 <span id="L304" class="LineNr"> 304 </span>      <span class="PreProc">break-if-=</span>
 <span id="L305" class="LineNr"> 305 </span>      <span class="muComment"># check if previous word exists in caller</span>
-<span id="L306" class="LineNr"> 306 </span>      <span class="PreProc">var</span> caller-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-cursor-element, word
-<span id="L307" class="LineNr"> 307 </span>      <span class="PreProc">var</span> caller-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-word-ah
-<span id="L308" class="LineNr"> 308 </span>      <span class="PreProc">var</span> word-before-caller-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-word, prev
-<span id="L309" class="LineNr"> 309 </span>      <span class="PreProc">var</span> word-before-caller/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-before-caller-ah
+<span id="L306" class="LineNr"> 306 </span>      <span class="PreProc">var</span> caller-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-cursor-element, <a href='data.mu.html#L30'>word</a>
+<span id="L307" class="LineNr"> 307 </span>      <span class="PreProc">var</span> caller-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-word-ah
+<span id="L308" class="LineNr"> 308 </span>      <span class="PreProc">var</span> word-before-caller-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-word, prev
+<span id="L309" class="LineNr"> 309 </span>      <span class="PreProc">var</span> word-before-caller/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-before-caller-ah
 <span id="L310" class="LineNr"> 310 </span>      compare word-before-caller, <span class="Constant">0</span>
 <span id="L311" class="LineNr"> 311 </span>      <span class="PreProc">break-if-=</span>
 <span id="L312" class="LineNr"> 312 </span>      <span class="muComment"># if so jump to it</span>
-<span id="L313" class="LineNr"> 313 </span>      drop-from-call-path-element cursor-call-path-ah
-<span id="L314" class="LineNr"> 314 </span>      decrement-final-element cursor-call-path-ah
+<span id="L313" class="LineNr"> 313 </span>      <a href='data.mu.html#L650'>drop-from-call-path-element</a> cursor-call-path-ah
+<span id="L314" class="LineNr"> 314 </span>      <a href='data.mu.html#L585'>decrement-final-element</a> cursor-call-path-ah
 <span id="L315" class="LineNr"> 315 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L316" class="LineNr"> 316 </span>    <span class="Delimiter">}</span>
 <span id="L317" class="LineNr"> 317 </span>  <span class="Delimiter">}</span>
@@ -380,23 +380,23 @@ if ('onhashchange' in window) {
 <span id="L320" class="LineNr"> 320 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L321" class="LineNr"> 321 </span><span class="CommentedCode">#?     print-string 0, &quot;AA\n&quot;</span>
 <span id="L322" class="LineNr"> 322 </span>    <span class="muComment"># jump to previous word at same level</span>
-<span id="L323" class="LineNr"> 323 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
-<span id="L324" class="LineNr"> 324 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L323" class="LineNr"> 323 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
+<span id="L324" class="LineNr"> 324 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
 <span id="L325" class="LineNr"> 325 </span>    <span class="Delimiter">{</span>
 <span id="L326" class="LineNr"> 326 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
 <span id="L327" class="LineNr"> 327 </span>      <span class="PreProc">break-if-=</span>
 <span id="L328" class="LineNr"> 328 </span><span class="CommentedCode">#?       print-string 0, &quot;BB\n&quot;</span>
-<span id="L329" class="LineNr"> 329 </span>      cursor-to-end <a href='../../127next-word.subx.html#L10'>next-word</a>
-<span id="L330" class="LineNr"> 330 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L331" class="LineNr"> 331 </span>      increment-final-element cursor-call-path
+<span id="L329" class="LineNr"> 329 </span>      <a href='word.mu.html#L208'>cursor-to-end</a> <a href='../../127next-word.subx.html#L10'>next-word</a>
+<span id="L330" class="LineNr"> 330 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L331" class="LineNr"> 331 </span>      <a href='data.mu.html#L573'>increment-final-element</a> cursor-call-path
 <span id="L332" class="LineNr"> 332 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L333" class="LineNr"> 333 </span>    <span class="Delimiter">}</span>
 <span id="L334" class="LineNr"> 334 </span>    <span class="muComment"># if next word doesn't exist, try to bump up one level</span>
 <span id="L335" class="LineNr"> 335 </span><span class="CommentedCode">#?     print-string 0, &quot;CC\n&quot;</span>
-<span id="L336" class="LineNr"> 336 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L337" class="LineNr"> 337 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L338" class="LineNr"> 338 </span>    <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L339" class="LineNr"> 339 </span>    <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
+<span id="L336" class="LineNr"> 336 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L337" class="LineNr"> 337 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L338" class="LineNr"> 338 </span>    <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L339" class="LineNr"> 339 </span>    <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
 <span id="L340" class="LineNr"> 340 </span>    compare caller-cursor-element, <span class="Constant">0</span>
 <span id="L341" class="LineNr"> 341 </span>    <span class="PreProc">break-if-=</span>
 <span id="L342" class="LineNr"> 342 </span><span class="CommentedCode">#?     print-string 0, &quot;DD\n&quot;</span>
@@ -408,14 +408,14 @@ if ('onhashchange' in window) {
 <span id="L348" class="LineNr"> 348 </span>  $process-sandbox:start-of-line: <span class="Delimiter">{</span>
 <span id="L349" class="LineNr"> 349 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L350" class="LineNr"> 350 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
-<span id="L351" class="LineNr"> 351 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L352" class="LineNr"> 352 </span>    drop-nested-calls cursor-call-path-ah
-<span id="L353" class="LineNr"> 353 </span>    move-final-element-to-start-of-line cursor-call-path-ah
+<span id="L351" class="LineNr"> 351 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L352" class="LineNr"> 352 </span>    <a href='data.mu.html#L657'>drop-nested-calls</a> cursor-call-path-ah
+<span id="L353" class="LineNr"> 353 </span>    <a href='data.mu.html#L609'>move-final-element-to-start-of-line</a> cursor-call-path-ah
 <span id="L354" class="LineNr"> 354 </span>    <span class="muComment"># move cursor to start of word</span>
-<span id="L355" class="LineNr"> 355 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L356" class="LineNr"> 356 </span>    <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L357" class="LineNr"> 357 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L358" class="LineNr"> 358 </span>    cursor-to-start cursor-word
+<span id="L355" class="LineNr"> 355 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L356" class="LineNr"> 356 </span>    <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L357" class="LineNr"> 357 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L358" class="LineNr"> 358 </span>    <a href='word.mu.html#L201'>cursor-to-start</a> cursor-word
 <span id="L359" class="LineNr"> 359 </span>    <span class="muComment"># this works as long as the first word isn't expanded</span>
 <span id="L360" class="LineNr"> 360 </span>    <span class="muComment"># but we don't expect to see zero-arg functions first-up</span>
 <span id="L361" class="LineNr"> 361 </span>    <span class="PreProc">break</span> $process-sandbox:body
@@ -424,14 +424,14 @@ if ('onhashchange' in window) {
 <span id="L364" class="LineNr"> 364 </span>  $process-sandbox:end-of-line: <span class="Delimiter">{</span>
 <span id="L365" class="LineNr"> 365 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L366" class="LineNr"> 366 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
-<span id="L367" class="LineNr"> 367 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L368" class="LineNr"> 368 </span>    drop-nested-calls cursor-call-path-ah
-<span id="L369" class="LineNr"> 369 </span>    move-final-element-to-end-of-line cursor-call-path-ah
+<span id="L367" class="LineNr"> 367 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L368" class="LineNr"> 368 </span>    <a href='data.mu.html#L657'>drop-nested-calls</a> cursor-call-path-ah
+<span id="L369" class="LineNr"> 369 </span>    <a href='data.mu.html#L622'>move-final-element-to-end-of-line</a> cursor-call-path-ah
 <span id="L370" class="LineNr"> 370 </span>    <span class="muComment"># move cursor to end of word</span>
-<span id="L371" class="LineNr"> 371 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L372" class="LineNr"> 372 </span>    <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L373" class="LineNr"> 373 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L374" class="LineNr"> 374 </span>    cursor-to-end cursor-word
+<span id="L371" class="LineNr"> 371 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L372" class="LineNr"> 372 </span>    <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L373" class="LineNr"> 373 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L374" class="LineNr"> 374 </span>    <a href='word.mu.html#L208'>cursor-to-end</a> cursor-word
 <span id="L375" class="LineNr"> 375 </span>    <span class="muComment"># this works because expanded words lie to the right of their bodies</span>
 <span id="L376" class="LineNr"> 376 </span>    <span class="muComment"># so the final word is always guaranteed to be at the top-level</span>
 <span id="L377" class="LineNr"> 377 </span>    <span class="PreProc">break</span> $process-sandbox:body
@@ -440,14 +440,14 @@ if ('onhashchange' in window) {
 <span id="L380" class="LineNr"> 380 </span>  $process-sandbox:clear-line: <span class="Delimiter">{</span>
 <span id="L381" class="LineNr"> 381 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L382" class="LineNr"> 382 </span>    <span class="muComment"># clear line in sandbox</span>
-<span id="L383" class="LineNr"> 383 </span>    initialize-sandbox sandbox
+<span id="L383" class="LineNr"> 383 </span>    <a href='data.mu.html#L75'>initialize-sandbox</a> <a href='data.mu.html#L1'>sandbox</a>
 <span id="L384" class="LineNr"> 384 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L385" class="LineNr"> 385 </span>  <span class="Delimiter">}</span>
 <span id="L386" class="LineNr"> 386 </span>  <span class="muComment"># if cursor is within a call, disable editing hotkeys below</span>
-<span id="L387" class="LineNr"> 387 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L388" class="LineNr"> 388 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L389" class="LineNr"> 389 </span>  <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L390" class="LineNr"> 390 </span>  <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
+<span id="L387" class="LineNr"> 387 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L388" class="LineNr"> 388 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L389" class="LineNr"> 389 </span>  <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L390" class="LineNr"> 390 </span>  <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
 <span id="L391" class="LineNr"> 391 </span>  compare next-cursor-element, <span class="Constant">0</span>
 <span id="L392" class="LineNr"> 392 </span>  <span class="PreProc">break-if-!=</span> $process-sandbox:body
 <span id="L393" class="LineNr"> 393 </span>  <span class="muComment"># - remaining keys only work at the top row outside any function calls</span>
@@ -455,23 +455,23 @@ if ('onhashchange' in window) {
 <span id="L395" class="LineNr"> 395 </span>  $process-sandbox:backspace: <span class="Delimiter">{</span>
 <span id="L396" class="LineNr"> 396 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L397" class="LineNr"> 397 </span>    <span class="muComment"># if not at start of some word, delete grapheme before cursor within current word</span>
-<span id="L398" class="LineNr"> 398 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? cursor-word
+<span id="L398" class="LineNr"> 398 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L171'>cursor-at-start?</a> cursor-word
 <span id="L399" class="LineNr"> 399 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L400" class="LineNr"> 400 </span>    <span class="Delimiter">{</span>
 <span id="L401" class="LineNr"> 401 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L402" class="LineNr"> 402 </span>      delete-before-cursor cursor-word
+<span id="L402" class="LineNr"> 402 </span>      <a href='word.mu.html#L223'>delete-before-cursor</a> cursor-word
 <span id="L403" class="LineNr"> 403 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L404" class="LineNr"> 404 </span>    <span class="Delimiter">}</span>
 <span id="L405" class="LineNr"> 405 </span>    <span class="muComment"># otherwise delete current word and move to end of prev word</span>
-<span id="L406" class="LineNr"> 406 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L407" class="LineNr"> 407 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L406" class="LineNr"> 406 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L407" class="LineNr"> 407 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
 <span id="L408" class="LineNr"> 408 </span>    <span class="Delimiter">{</span>
 <span id="L409" class="LineNr"> 409 </span>      compare prev-word, <span class="Constant">0</span>
 <span id="L410" class="LineNr"> 410 </span>      <span class="PreProc">break-if-=</span>
-<span id="L411" class="LineNr"> 411 </span>      cursor-to-end prev-word
-<span id="L412" class="LineNr"> 412 </span>      delete-next prev-word
-<span id="L413" class="LineNr"> 413 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L414" class="LineNr"> 414 </span>      decrement-final-element cursor-call-path
+<span id="L411" class="LineNr"> 411 </span>      <a href='word.mu.html#L208'>cursor-to-end</a> prev-word
+<span id="L412" class="LineNr"> 412 </span>      <a href='word.mu.html#L238'>delete-next</a> prev-word
+<span id="L413" class="LineNr"> 413 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L414" class="LineNr"> 414 </span>      <a href='data.mu.html#L585'>decrement-final-element</a> cursor-call-path
 <span id="L415" class="LineNr"> 415 </span>    <span class="Delimiter">}</span>
 <span id="L416" class="LineNr"> 416 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L417" class="LineNr"> 417 </span>  <span class="Delimiter">}</span>
@@ -481,22 +481,22 @@ if ('onhashchange' in window) {
 <span id="L421" class="LineNr"> 421 </span><span class="CommentedCode">#?     print-string 0, &quot;space\n&quot;</span>
 <span id="L422" class="LineNr"> 422 </span>    <span class="muComment"># if cursor is at start of word, insert word before</span>
 <span id="L423" class="LineNr"> 423 </span>    <span class="Delimiter">{</span>
-<span id="L424" class="LineNr"> 424 </span>      <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? cursor-word
+<span id="L424" class="LineNr"> 424 </span>      <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L171'>cursor-at-start?</a> cursor-word
 <span id="L425" class="LineNr"> 425 </span>      compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L426" class="LineNr"> 426 </span>      <span class="PreProc">break-if-=</span>
-<span id="L427" class="LineNr"> 427 </span>      <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L428" class="LineNr"> 428 </span>      append-word prev-word-ah
-<span id="L429" class="LineNr"> 429 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L430" class="LineNr"> 430 </span>      decrement-final-element cursor-call-path
+<span id="L427" class="LineNr"> 427 </span>      <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L428" class="LineNr"> 428 </span>      <a href='word.mu.html#L385'>append-word</a> prev-word-ah
+<span id="L429" class="LineNr"> 429 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L430" class="LineNr"> 430 </span>      <a href='data.mu.html#L585'>decrement-final-element</a> cursor-call-path
 <span id="L431" class="LineNr"> 431 </span>      <span class="PreProc">break</span> $process-sandbox:body
 <span id="L432" class="LineNr"> 432 </span>    <span class="Delimiter">}</span>
 <span id="L433" class="LineNr"> 433 </span>    <span class="muComment"># if start of word is quote and grapheme before cursor is not, just insert it as usual</span>
 <span id="L434" class="LineNr"> 434 </span>    <span class="muComment"># TODO: support string escaping</span>
 <span id="L435" class="LineNr"> 435 </span>    <span class="Delimiter">{</span>
-<span id="L436" class="LineNr"> 436 </span>      <span class="PreProc">var</span> first-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> first-grapheme cursor-word
-<span id="L437" class="LineNr"> 437 </span>      compare first-grapheme, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
+<span id="L436" class="LineNr"> 436 </span>      <span class="PreProc">var</span> <a href='word.mu.html#L148'>first-grapheme</a>/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L148'>first-grapheme</a> cursor-word
+<span id="L437" class="LineNr"> 437 </span>      compare <a href='word.mu.html#L148'>first-grapheme</a>, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
 <span id="L438" class="LineNr"> 438 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L439" class="LineNr"> 439 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> grapheme-before-cursor cursor-word
+<span id="L439" class="LineNr"> 439 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L156'>grapheme-before-cursor</a> cursor-word
 <span id="L440" class="LineNr"> 440 </span>      compare final-grapheme, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
 <span id="L441" class="LineNr"> 441 </span>      <span class="PreProc">break-if-=</span>
 <span id="L442" class="LineNr"> 442 </span>      <span class="PreProc">break</span> $process-sandbox:space
@@ -504,37 +504,37 @@ if ('onhashchange' in window) {
 <span id="L444" class="LineNr"> 444 </span>    <span class="muComment"># if start of word is '[' and grapheme before cursor is not ']', just insert it as usual</span>
 <span id="L445" class="LineNr"> 445 </span>    <span class="muComment"># TODO: support nested arrays</span>
 <span id="L446" class="LineNr"> 446 </span>    <span class="Delimiter">{</span>
-<span id="L447" class="LineNr"> 447 </span>      <span class="PreProc">var</span> first-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> first-grapheme cursor-word
-<span id="L448" class="LineNr"> 448 </span>      compare first-grapheme, <span class="Constant">0x5b</span>  <span class="muComment"># '['</span>
+<span id="L447" class="LineNr"> 447 </span>      <span class="PreProc">var</span> <a href='word.mu.html#L148'>first-grapheme</a>/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L148'>first-grapheme</a> cursor-word
+<span id="L448" class="LineNr"> 448 </span>      compare <a href='word.mu.html#L148'>first-grapheme</a>, <span class="Constant">0x5b</span>  <span class="muComment"># '['</span>
 <span id="L449" class="LineNr"> 449 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L450" class="LineNr"> 450 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> grapheme-before-cursor cursor-word
+<span id="L450" class="LineNr"> 450 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L156'>grapheme-before-cursor</a> cursor-word
 <span id="L451" class="LineNr"> 451 </span>      compare final-grapheme, <span class="Constant">0x5d</span>  <span class="muComment"># ']'</span>
 <span id="L452" class="LineNr"> 452 </span>      <span class="PreProc">break-if-=</span>
 <span id="L453" class="LineNr"> 453 </span>      <span class="PreProc">break</span> $process-sandbox:space
 <span id="L454" class="LineNr"> 454 </span>    <span class="Delimiter">}</span>
 <span id="L455" class="LineNr"> 455 </span>    <span class="muComment"># otherwise insert word after and move cursor to it for the next key</span>
 <span id="L456" class="LineNr"> 456 </span>    <span class="muComment"># (but we'll continue to track the current cursor-word for the rest of this function)</span>
-<span id="L457" class="LineNr"> 457 </span>    append-word cursor-word-ah
-<span id="L458" class="LineNr"> 458 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L459" class="LineNr"> 459 </span>    increment-final-element cursor-call-path
+<span id="L457" class="LineNr"> 457 </span>    <a href='word.mu.html#L385'>append-word</a> cursor-word-ah
+<span id="L458" class="LineNr"> 458 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L459" class="LineNr"> 459 </span>    <a href='data.mu.html#L573'>increment-final-element</a> cursor-call-path
 <span id="L460" class="LineNr"> 460 </span>    <span class="muComment"># if cursor is at end of word, that's all</span>
-<span id="L461" class="LineNr"> 461 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-end? cursor-word
+<span id="L461" class="LineNr"> 461 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L179'>cursor-at-end?</a> cursor-word
 <span id="L462" class="LineNr"> 462 </span>    compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L463" class="LineNr"> 463 </span>    <span class="PreProc">break-if-!=</span> $process-sandbox:body
 <span id="L464" class="LineNr"> 464 </span>    <span class="muComment"># otherwise we're in the middle of a word</span>
 <span id="L465" class="LineNr"> 465 </span>    <span class="muComment"># move everything after cursor to the (just created) next word</span>
-<span id="L466" class="LineNr"> 466 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
-<span id="L467" class="LineNr"> 467 </span>    <span class="PreProc">var</span> _next-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
-<span id="L468" class="LineNr"> 468 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">ebx</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _next-word
+<span id="L466" class="LineNr"> 466 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
+<span id="L467" class="LineNr"> 467 </span>    <span class="PreProc">var</span> _next-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L468" class="LineNr"> 468 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">ebx</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> copy _next-word
 <span id="L469" class="LineNr"> 469 </span>    <span class="Delimiter">{</span>
-<span id="L470" class="LineNr"> 470 </span>      <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-end? cursor-word
+<span id="L470" class="LineNr"> 470 </span>      <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L179'>cursor-at-end?</a> cursor-word
 <span id="L471" class="LineNr"> 471 </span>      compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L472" class="LineNr"> 472 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L473" class="LineNr"> 473 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> pop-after-cursor cursor-word
-<span id="L474" class="LineNr"> 474 </span>      add-grapheme-to-word <a href='../../127next-word.subx.html#L10'>next-word</a>, g
+<span id="L473" class="LineNr"> 473 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L230'>pop-after-cursor</a> cursor-word
+<span id="L474" class="LineNr"> 474 </span>      <a href='word.mu.html#L164'>add-grapheme-to-word</a> <a href='../../127next-word.subx.html#L10'>next-word</a>, g
 <span id="L475" class="LineNr"> 475 </span>      <span class="PreProc">loop</span>
 <span id="L476" class="LineNr"> 476 </span>    <span class="Delimiter">}</span>
-<span id="L477" class="LineNr"> 477 </span>    cursor-to-start <a href='../../127next-word.subx.html#L10'>next-word</a>
+<span id="L477" class="LineNr"> 477 </span>    <a href='word.mu.html#L201'>cursor-to-start</a> <a href='../../127next-word.subx.html#L10'>next-word</a>
 <span id="L478" class="LineNr"> 478 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L479" class="LineNr"> 479 </span>  <span class="Delimiter">}</span>
 <span id="L480" class="LineNr"> 480 </span>  compare key, <span class="Constant">0xe</span>  <span class="muComment"># ctrl-n</span>
@@ -542,20 +542,20 @@ if ('onhashchange' in window) {
 <span id="L482" class="LineNr"> 482 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L483" class="LineNr"> 483 </span>    <span class="muComment"># TODO: ensure current word is not a function</span>
 <span id="L484" class="LineNr"> 484 </span>    <span class="muComment"># rename word at cursor</span>
-<span id="L485" class="LineNr"> 485 </span>    <span class="PreProc">var</span> new-name-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
+<span id="L485" class="LineNr"> 485 </span>    <span class="PreProc">var</span> new-name-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-cursor-word
 <span id="L486" class="LineNr"> 486 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
-<span id="L487" class="LineNr"> 487 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L488" class="LineNr"> 488 </span>    initialize-word new-name
+<span id="L487" class="LineNr"> 487 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L488" class="LineNr"> 488 </span>    <a href='word.mu.html#L1'>initialize-word</a> new-name
 <span id="L489" class="LineNr"> 489 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L490" class="LineNr"> 490 </span>  <span class="Delimiter">}</span>
 <span id="L491" class="LineNr"> 491 </span>  compare key, <span class="Constant">4</span>  <span class="muComment"># ctrl-d</span>
 <span id="L492" class="LineNr"> 492 </span>  $process:define-function: <span class="Delimiter">{</span>
 <span id="L493" class="LineNr"> 493 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L494" class="LineNr"> 494 </span>    <span class="muComment"># define function out of line at cursor</span>
-<span id="L495" class="LineNr"> 495 </span>    <span class="PreProc">var</span> new-name-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
+<span id="L495" class="LineNr"> 495 </span>    <span class="PreProc">var</span> new-name-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-function
 <span id="L496" class="LineNr"> 496 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
-<span id="L497" class="LineNr"> 497 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L498" class="LineNr"> 498 </span>    initialize-word new-name
+<span id="L497" class="LineNr"> 497 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L498" class="LineNr"> 498 </span>    <a href='word.mu.html#L1'>initialize-word</a> new-name
 <span id="L499" class="LineNr"> 499 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L500" class="LineNr"> 500 </span>  <span class="Delimiter">}</span>
 <span id="L501" class="LineNr"> 501 </span>  <span class="muComment"># otherwise insert key within current word</span>
@@ -564,7 +564,7 @@ if ('onhashchange' in window) {
 <span id="L504" class="LineNr"> 504 </span>  $process-sandbox:real-grapheme: <span class="Delimiter">{</span>
 <span id="L505" class="LineNr"> 505 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L506" class="LineNr"> 506 </span>    <span class="PreProc">break-if-=</span>
-<span id="L507" class="LineNr"> 507 </span>    add-grapheme-to-word cursor-word, g
+<span id="L507" class="LineNr"> 507 </span>    <a href='word.mu.html#L164'>add-grapheme-to-word</a> cursor-word, g
 <span id="L508" class="LineNr"> 508 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L509" class="LineNr"> 509 </span>  <span class="Delimiter">}</span>
 <span id="L510" class="LineNr"> 510 </span>  <span class="muComment"># silently ignore other hotkeys</span>
@@ -574,10 +574,10 @@ if ('onhashchange' in window) {
 <span id="L514" class="LineNr"> 514 </span><span class="muComment"># collect new name in partial-name-for-cursor-word, and then rename the word</span>
 <span id="L515" class="LineNr"> 515 </span><span class="muComment"># at cursor to it</span>
 <span id="L516" class="LineNr"> 516 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
-<span id="L517" class="LineNr"> 517 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L517'>process-sandbox-rename</a></span> _sandbox: (addr sandbox), key: grapheme <span class="Delimiter">{</span>
+<span id="L517" class="LineNr"> 517 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L517'>process-sandbox-rename</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), key: grapheme <span class="Delimiter">{</span>
 <span id="L518" class="LineNr"> 518 </span>$process-sandbox-rename:body: <span class="Delimiter">{</span>
-<span id="L519" class="LineNr"> 519 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L520" class="LineNr"> 520 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
+<span id="L519" class="LineNr"> 519 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L520" class="LineNr"> 520 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-cursor-word
 <span id="L521" class="LineNr"> 521 </span>  <span class="muComment"># if 'esc' pressed, cancel rename</span>
 <span id="L522" class="LineNr"> 522 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
 <span id="L523" class="LineNr"> 523 </span>  $process-sandbox-rename:cancel: <span class="Delimiter">{</span>
@@ -591,26 +591,26 @@ if ('onhashchange' in window) {
 <span id="L531" class="LineNr"> 531 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L532" class="LineNr"> 532 </span><span class="CommentedCode">#?     print-string 0, &quot;rename\n&quot;</span>
 <span id="L533" class="LineNr"> 533 </span>    <span class="muComment"># new line</span>
-<span id="L534" class="LineNr"> 534 </span>    <span class="PreProc">var</span> new-line-h: (handle line)
-<span id="L535" class="LineNr"> 535 </span>    <span class="PreProc">var</span> new-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address new-line-h
+<span id="L534" class="LineNr"> 534 </span>    <span class="PreProc">var</span> new-line-h: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L535" class="LineNr"> 535 </span>    <span class="PreProc">var</span> new-line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> address new-line-h
 <span id="L536" class="LineNr"> 536 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-line-ah
-<span id="L537" class="LineNr"> 537 </span>    <span class="PreProc">var</span> new-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-line-ah
-<span id="L538" class="LineNr"> 538 </span>    initialize-line new-line
-<span id="L539" class="LineNr"> 539 </span>    <span class="PreProc">var</span> new-line-word-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-line, data
+<span id="L537" class="LineNr"> 537 </span>    <span class="PreProc">var</span> new-line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-line-ah
+<span id="L538" class="LineNr"> 538 </span>    <a href='data.mu.html#L90'>initialize-line</a> new-line
+<span id="L539" class="LineNr"> 539 </span>    <span class="PreProc">var</span> new-line-word-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-line, data
 <span id="L540" class="LineNr"> 540 </span>    <span class="Delimiter">{</span>
 <span id="L541" class="LineNr"> 541 </span>      <span class="muComment"># move word at cursor to new line</span>
-<span id="L542" class="LineNr"> 542 </span>      <span class="PreProc">var</span> cursor-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L543" class="LineNr"> 543 </span>      <span class="PreProc">var</span> cursor/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-ah
-<span id="L544" class="LineNr"> 544 </span>      <span class="PreProc">var</span> word-at-cursor-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor, word
+<span id="L542" class="LineNr"> 542 </span>      <span class="PreProc">var</span> cursor-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L543" class="LineNr"> 543 </span>      <span class="PreProc">var</span> cursor/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-ah
+<span id="L544" class="LineNr"> 544 </span>      <span class="PreProc">var</span> word-at-cursor-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor, <a href='data.mu.html#L30'>word</a>
 <span id="L545" class="LineNr"> 545 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor before at word &quot;</span>
 <span id="L546" class="LineNr"> 546 </span><span class="CommentedCode">#?       {</span>
 <span id="L547" class="LineNr"> 547 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
 <span id="L548" class="LineNr"> 548 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
 <span id="L549" class="LineNr"> 549 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
 <span id="L550" class="LineNr"> 550 </span><span class="CommentedCode">#?       }</span>
-<span id="L551" class="LineNr"> 551 </span>      move-word-contents word-at-cursor-ah, new-line-word-ah
+<span id="L551" class="LineNr"> 551 </span>      <a href='word.mu.html#L52'>move-word-contents</a> word-at-cursor-ah, new-line-word-ah
 <span id="L552" class="LineNr"> 552 </span>      <span class="muComment"># copy name to word at cursor</span>
-<span id="L553" class="LineNr"> 553 </span>      copy-word-contents-before-cursor new-name-ah, word-at-cursor-ah
+<span id="L553" class="LineNr"> 553 </span>      <a href='word.mu.html#L75'>copy-word-contents-before-cursor</a> new-name-ah, word-at-cursor-ah
 <span id="L554" class="LineNr"> 554 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor after at word &quot;</span>
 <span id="L555" class="LineNr"> 555 </span><span class="CommentedCode">#?       {</span>
 <span id="L556" class="LineNr"> 556 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
@@ -632,15 +632,15 @@ if ('onhashchange' in window) {
 <span id="L572" class="LineNr"> 572 </span>    <span class="Delimiter">}</span>
 <span id="L573" class="LineNr"> 573 </span>    <span class="muComment"># prepend '=' to name</span>
 <span id="L574" class="LineNr"> 574 </span>    <span class="Delimiter">{</span>
-<span id="L575" class="LineNr"> 575 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L576" class="LineNr"> 576 </span>      cursor-to-start new-name
-<span id="L577" class="LineNr"> 577 </span>      add-grapheme-to-word new-name, <span class="Constant">0x3d</span>  <span class="muComment"># '='</span>
+<span id="L575" class="LineNr"> 575 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L576" class="LineNr"> 576 </span>      <a href='word.mu.html#L201'>cursor-to-start</a> new-name
+<span id="L577" class="LineNr"> 577 </span>      <a href='word.mu.html#L164'>add-grapheme-to-word</a> new-name, <span class="Constant">0x3d</span>  <span class="muComment"># '='</span>
 <span id="L578" class="LineNr"> 578 </span>    <span class="Delimiter">}</span>
 <span id="L579" class="LineNr"> 579 </span>    <span class="muComment"># append name to new line</span>
-<span id="L580" class="LineNr"> 580 </span>    chain-words new-line-word-ah, new-name-ah
+<span id="L580" class="LineNr"> 580 </span>    <a href='word.mu.html#L488'>chain-words</a> new-line-word-ah, new-name-ah
 <span id="L581" class="LineNr"> 581 </span>    <span class="muComment"># new-line-&gt;next = sandbox-&gt;data</span>
-<span id="L582" class="LineNr"> 582 </span>    <span class="PreProc">var</span> new-line-next/<span class="Constant">ecx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-line, next
-<span id="L583" class="LineNr"> 583 </span>    <span class="PreProc">var</span> sandbox-slot/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L582" class="LineNr"> 582 </span>    <span class="PreProc">var</span> new-line-next/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-line, next
+<span id="L583" class="LineNr"> 583 </span>    <span class="PreProc">var</span> sandbox-slot/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, data
 <span id="L584" class="LineNr"> 584 </span>    copy-object sandbox-slot, new-line-next
 <span id="L585" class="LineNr"> 585 </span>    <span class="muComment"># sandbox-&gt;data = new-line</span>
 <span id="L586" class="LineNr"> 586 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> new-line-h, sandbox-slot
@@ -665,13 +665,13 @@ if ('onhashchange' in window) {
 <span id="L605" class="LineNr"> 605 </span>  $process-sandbox-rename:backspace: <span class="Delimiter">{</span>
 <span id="L606" class="LineNr"> 606 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L607" class="LineNr"> 607 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
-<span id="L608" class="LineNr"> 608 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L609" class="LineNr"> 609 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? new-name
+<span id="L608" class="LineNr"> 608 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L609" class="LineNr"> 609 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L171'>cursor-at-start?</a> new-name
 <span id="L610" class="LineNr"> 610 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L611" class="LineNr"> 611 </span>    <span class="Delimiter">{</span>
 <span id="L612" class="LineNr"> 612 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L613" class="LineNr"> 613 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L614" class="LineNr"> 614 </span>      delete-before-cursor new-name
+<span id="L613" class="LineNr"> 613 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L614" class="LineNr"> 614 </span>      <a href='word.mu.html#L223'>delete-before-cursor</a> new-name
 <span id="L615" class="LineNr"> 615 </span>    <span class="Delimiter">}</span>
 <span id="L616" class="LineNr"> 616 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
 <span id="L617" class="LineNr"> 617 </span>  <span class="Delimiter">}</span>
@@ -680,8 +680,8 @@ if ('onhashchange' in window) {
 <span id="L620" class="LineNr"> 620 </span>  $process-sandbox-rename:real-grapheme: <span class="Delimiter">{</span>
 <span id="L621" class="LineNr"> 621 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L622" class="LineNr"> 622 </span>    <span class="PreProc">break-if-=</span>
-<span id="L623" class="LineNr"> 623 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L624" class="LineNr"> 624 </span>    add-grapheme-to-word new-name, key
+<span id="L623" class="LineNr"> 623 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L624" class="LineNr"> 624 </span>    <a href='word.mu.html#L164'>add-grapheme-to-word</a> new-name, key
 <span id="L625" class="LineNr"> 625 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
 <span id="L626" class="LineNr"> 626 </span>  <span class="Delimiter">}</span>
 <span id="L627" class="LineNr"> 627 </span>  <span class="muComment"># silently ignore other hotkeys</span>
@@ -692,10 +692,10 @@ if ('onhashchange' in window) {
 <span id="L632" class="LineNr"> 632 </span><span class="muComment"># of the sandbox to be a new function with that name. Replace the last line</span>
 <span id="L633" class="LineNr"> 633 </span><span class="muComment"># with a call to the appropriate function.</span>
 <span id="L634" class="LineNr"> 634 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
-<span id="L635" class="LineNr"> 635 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L635'>process-sandbox-define</a></span> _sandbox: (addr sandbox), functions: (addr handle function), key: grapheme <span class="Delimiter">{</span>
+<span id="L635" class="LineNr"> 635 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L635'>process-sandbox-define</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), functions: (addr handle <a href='data.mu.html#L14'>function</a>), key: grapheme <span class="Delimiter">{</span>
 <span id="L636" class="LineNr"> 636 </span>$process-sandbox-define:body: <span class="Delimiter">{</span>
-<span id="L637" class="LineNr"> 637 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L638" class="LineNr"> 638 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
+<span id="L637" class="LineNr"> 637 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L638" class="LineNr"> 638 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-function
 <span id="L639" class="LineNr"> 639 </span>  <span class="muComment"># if 'esc' pressed, cancel define</span>
 <span id="L640" class="LineNr"> 640 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
 <span id="L641" class="LineNr"> 641 </span>  $process-sandbox-define:cancel: <span class="Delimiter">{</span>
@@ -709,43 +709,43 @@ if ('onhashchange' in window) {
 <span id="L649" class="LineNr"> 649 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L650" class="LineNr"> 650 </span><span class="CommentedCode">#?     print-string 0, &quot;define\n&quot;</span>
 <span id="L651" class="LineNr"> 651 </span>    <span class="muComment"># create new function</span>
-<span id="L652" class="LineNr"> 652 </span>    <span class="PreProc">var</span> new-function: (handle function)
-<span id="L653" class="LineNr"> 653 </span>    <span class="PreProc">var</span> new-function-ah/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address new-function
+<span id="L652" class="LineNr"> 652 </span>    <span class="PreProc">var</span> new-function: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L653" class="LineNr"> 653 </span>    <span class="PreProc">var</span> new-function-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> address new-function
 <span id="L654" class="LineNr"> 654 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-function-ah
-<span id="L655" class="LineNr"> 655 </span>    <span class="PreProc">var</span> _new-function/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-function-ah
-<span id="L656" class="LineNr"> 656 </span>    <span class="PreProc">var</span> new-function/<span class="Constant">ebx</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _new-function
-<span id="L657" class="LineNr"> 657 </span>    <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, next
+<span id="L655" class="LineNr"> 655 </span>    <span class="PreProc">var</span> _new-function/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-function-ah
+<span id="L656" class="LineNr"> 656 </span>    <span class="PreProc">var</span> new-function/<span class="Constant">ebx</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _new-function
+<span id="L657" class="LineNr"> 657 </span>    <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, next
 <span id="L658" class="LineNr"> 658 </span>    copy-object functions, dest
 <span id="L659" class="LineNr"> 659 </span>    copy-object new-function-ah, functions
 <span id="L660" class="LineNr"> 660 </span>    <span class="muComment"># set function name to new-name</span>
-<span id="L661" class="LineNr"> 661 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L661" class="LineNr"> 661 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
 <span id="L662" class="LineNr"> 662 </span>    <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, name
-<span id="L663" class="LineNr"> 663 </span>    word-to-string new-name, dest
+<span id="L663" class="LineNr"> 663 </span>    <a href='word.mu.html#L509'>word-to-string</a> new-name, dest
 <span id="L664" class="LineNr"> 664 </span>    <span class="muComment"># move final line to body</span>
-<span id="L665" class="LineNr"> 665 </span>    <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, body
+<span id="L665" class="LineNr"> 665 </span>    <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, body
 <span id="L666" class="LineNr"> 666 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> body-ah
-<span id="L667" class="LineNr"> 667 </span>    <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
-<span id="L668" class="LineNr"> 668 </span>    <span class="PreProc">var</span> body-contents/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
-<span id="L669" class="LineNr"> 669 </span>    <span class="PreProc">var</span> final-line-storage: (handle line)
-<span id="L670" class="LineNr"> 670 </span>    <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address final-line-storage
-<span id="L671" class="LineNr"> 671 </span>    <a href='environment.mu.html#L1072'>final-line</a> sandbox, final-line-ah
-<span id="L672" class="LineNr"> 672 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
-<span id="L673" class="LineNr"> 673 </span>    <span class="PreProc">var</span> final-line-contents/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1072'>final-line</a>, data
+<span id="L667" class="LineNr"> 667 </span>    <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
+<span id="L668" class="LineNr"> 668 </span>    <span class="PreProc">var</span> body-contents/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
+<span id="L669" class="LineNr"> 669 </span>    <span class="PreProc">var</span> final-line-storage: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L670" class="LineNr"> 670 </span>    <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> address final-line-storage
+<span id="L671" class="LineNr"> 671 </span>    <a href='environment.mu.html#L1072'>final-line</a> <a href='data.mu.html#L1'>sandbox</a>, final-line-ah
+<span id="L672" class="LineNr"> 672 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L673" class="LineNr"> 673 </span>    <span class="PreProc">var</span> final-line-contents/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1072'>final-line</a>, data
 <span id="L674" class="LineNr"> 674 </span>    copy-object final-line-contents, body-contents
 <span id="L675" class="LineNr"> 675 </span>    <span class="muComment">#</span>
 <span id="L676" class="LineNr"> 676 </span>    <a href='environment.mu.html#L722'>copy-unbound-words-to-args</a> functions
 <span id="L677" class="LineNr"> 677 </span>    <span class="muComment">#</span>
-<span id="L678" class="LineNr"> 678 </span>    <span class="PreProc">var</span> empty-word: (handle word)
+<span id="L678" class="LineNr"> 678 </span>    <span class="PreProc">var</span> empty-word: (handle <a href='data.mu.html#L30'>word</a>)
 <span id="L679" class="LineNr"> 679 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, final-line-contents
 <span id="L680" class="LineNr"> 680 </span>    <a href='environment.mu.html#L861'>construct-call</a> functions, final-line-contents
 <span id="L681" class="LineNr"> 681 </span>    <span class="muComment"># clear partial-name-for-function</span>
-<span id="L682" class="LineNr"> 682 </span>    <span class="PreProc">var</span> empty-word: (handle word)
+<span id="L682" class="LineNr"> 682 </span>    <span class="PreProc">var</span> empty-word: (handle <a href='data.mu.html#L30'>word</a>)
 <span id="L683" class="LineNr"> 683 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, new-name-ah
 <span id="L684" class="LineNr"> 684 </span>    <span class="muComment"># update cursor</span>
-<span id="L685" class="LineNr"> 685 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> final-line-storage
-<span id="L686" class="LineNr"> 686 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L685" class="LineNr"> 685 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> final-line-storage
+<span id="L686" class="LineNr"> 686 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
 <span id="L687" class="LineNr"> 687 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> cursor-call-path-ah  <span class="muComment"># leak</span>
-<span id="L688" class="LineNr"> 688 </span>    initialize-path-from-line <a href='environment.mu.html#L1072'>final-line</a>, cursor-call-path-ah
+<span id="L688" class="LineNr"> 688 </span>    <a href='data.mu.html#L438'>initialize-path-from-line</a> <a href='environment.mu.html#L1072'>final-line</a>, cursor-call-path-ah
 <span id="L689" class="LineNr"> 689 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
 <span id="L690" class="LineNr"> 690 </span>  <span class="Delimiter">}</span>
 <span id="L691" class="LineNr"> 691 </span>  <span class="muComment">#</span>
@@ -753,13 +753,13 @@ if ('onhashchange' in window) {
 <span id="L693" class="LineNr"> 693 </span>  $process-sandbox-define:backspace: <span class="Delimiter">{</span>
 <span id="L694" class="LineNr"> 694 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L695" class="LineNr"> 695 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
-<span id="L696" class="LineNr"> 696 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L697" class="LineNr"> 697 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? new-name
+<span id="L696" class="LineNr"> 696 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L697" class="LineNr"> 697 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L171'>cursor-at-start?</a> new-name
 <span id="L698" class="LineNr"> 698 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L699" class="LineNr"> 699 </span>    <span class="Delimiter">{</span>
 <span id="L700" class="LineNr"> 700 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L701" class="LineNr"> 701 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L702" class="LineNr"> 702 </span>      delete-before-cursor new-name
+<span id="L701" class="LineNr"> 701 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L702" class="LineNr"> 702 </span>      <a href='word.mu.html#L223'>delete-before-cursor</a> new-name
 <span id="L703" class="LineNr"> 703 </span>    <span class="Delimiter">}</span>
 <span id="L704" class="LineNr"> 704 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
 <span id="L705" class="LineNr"> 705 </span>  <span class="Delimiter">}</span>
@@ -768,8 +768,8 @@ if ('onhashchange' in window) {
 <span id="L708" class="LineNr"> 708 </span>  $process-sandbox-define:real-grapheme: <span class="Delimiter">{</span>
 <span id="L709" class="LineNr"> 709 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L710" class="LineNr"> 710 </span>    <span class="PreProc">break-if-=</span>
-<span id="L711" class="LineNr"> 711 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L712" class="LineNr"> 712 </span>    add-grapheme-to-word new-name, key
+<span id="L711" class="LineNr"> 711 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L712" class="LineNr"> 712 </span>    <a href='word.mu.html#L164'>add-grapheme-to-word</a> new-name, key
 <span id="L713" class="LineNr"> 713 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
 <span id="L714" class="LineNr"> 714 </span>  <span class="Delimiter">}</span>
 <span id="L715" class="LineNr"> 715 </span>  <span class="muComment"># silently ignore other hotkeys</span>
@@ -779,26 +779,26 @@ if ('onhashchange' in window) {
 <span id="L719" class="LineNr"> 719 </span><span class="muComment"># extract from the body of the first function in 'functions' all words that</span>
 <span id="L720" class="LineNr"> 720 </span><span class="muComment"># aren't defined in the rest of 'functions'. Prepend them in reverse order.</span>
 <span id="L721" class="LineNr"> 721 </span><span class="muComment"># Assumes function body is a single line for now.</span>
-<span id="L722" class="LineNr"> 722 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L722'>copy-unbound-words-to-args</a></span> _functions: (addr handle function) <span class="Delimiter">{</span>
+<span id="L722" class="LineNr"> 722 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L722'>copy-unbound-words-to-args</a></span> _functions: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="Delimiter">{</span>
 <span id="L723" class="LineNr"> 723 </span>  <span class="muComment"># target</span>
-<span id="L724" class="LineNr"> 724 </span>  <span class="PreProc">var</span> target-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _functions
-<span id="L725" class="LineNr"> 725 </span>  <span class="PreProc">var</span> _target/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *target-ah
-<span id="L726" class="LineNr"> 726 </span>  <span class="PreProc">var</span> target/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _target
-<span id="L727" class="LineNr"> 727 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, args
+<span id="L724" class="LineNr"> 724 </span>  <span class="PreProc">var</span> target-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _functions
+<span id="L725" class="LineNr"> 725 </span>  <span class="PreProc">var</span> _target/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *target-ah
+<span id="L726" class="LineNr"> 726 </span>  <span class="PreProc">var</span> target/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _target
+<span id="L727" class="LineNr"> 727 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, args
 <span id="L728" class="LineNr"> 728 </span>  <span class="muComment"># next</span>
-<span id="L729" class="LineNr"> 729 </span>  <span class="PreProc">var</span> functions-ah/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, next
+<span id="L729" class="LineNr"> 729 </span>  <span class="PreProc">var</span> functions-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, next
 <span id="L730" class="LineNr"> 730 </span>  <span class="muComment"># src</span>
-<span id="L731" class="LineNr"> 731 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, body
-<span id="L732" class="LineNr"> 732 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
-<span id="L733" class="LineNr"> 733 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
-<span id="L734" class="LineNr"> 734 </span>  <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
+<span id="L731" class="LineNr"> 731 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, body
+<span id="L732" class="LineNr"> 732 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L22'>line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L733" class="LineNr"> 733 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L22'>line</a>, data
+<span id="L734" class="LineNr"> 734 </span>  <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
 <span id="L735" class="LineNr"> 735 </span>  <span class="Delimiter">{</span>
 <span id="L736" class="LineNr"> 736 </span>    compare curr, <span class="Constant">0</span>
 <span id="L737" class="LineNr"> 737 </span>    <span class="PreProc">break-if-=</span>
 <span id="L738" class="LineNr"> 738 </span>    $copy-unbound-words-to-args:loop-iter: <span class="Delimiter">{</span>
 <span id="L739" class="LineNr"> 739 </span>      <span class="muComment"># is it a number?</span>
 <span id="L740" class="LineNr"> 740 </span>      <span class="Delimiter">{</span>
-<span id="L741" class="LineNr"> 741 </span>        <span class="PreProc">var</span> is-int?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> word-is-decimal-integer? curr
+<span id="L741" class="LineNr"> 741 </span>        <span class="PreProc">var</span> is-int?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L516'>word-is-decimal-integer?</a> curr
 <span id="L742" class="LineNr"> 742 </span>        compare is-int?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L743" class="LineNr"> 743 </span>        <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
 <span id="L744" class="LineNr"> 744 </span>      <span class="Delimiter">}</span>
@@ -811,128 +811,128 @@ if ('onhashchange' in window) {
 <span id="L751" class="LineNr"> 751 </span>      compare dup?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L752" class="LineNr"> 752 </span>      <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
 <span id="L753" class="LineNr"> 753 </span>      <span class="muComment"># push copy of curr before dest-ah</span>
-<span id="L754" class="LineNr"> 754 </span>      <span class="PreProc">var</span> rest-h: (handle word)
-<span id="L755" class="LineNr"> 755 </span>      <span class="PreProc">var</span> rest-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> address rest-h
+<span id="L754" class="LineNr"> 754 </span>      <span class="PreProc">var</span> rest-h: (handle <a href='data.mu.html#L30'>word</a>)
+<span id="L755" class="LineNr"> 755 </span>      <span class="PreProc">var</span> rest-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> address rest-h
 <span id="L756" class="LineNr"> 756 </span>      copy-object dest-ah, rest-ah
-<span id="L757" class="LineNr"> 757 </span>      copy-word curr, dest-ah
-<span id="L758" class="LineNr"> 758 </span>      chain-words dest-ah, rest-ah
+<span id="L757" class="LineNr"> 757 </span>      <a href='word.mu.html#L372'>copy-word</a> curr, dest-ah
+<span id="L758" class="LineNr"> 758 </span>      <a href='word.mu.html#L488'>chain-words</a> dest-ah, rest-ah
 <span id="L759" class="LineNr"> 759 </span>    <span class="Delimiter">}</span>
-<span id="L760" class="LineNr"> 760 </span>    <span class="PreProc">var</span> next-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
+<span id="L760" class="LineNr"> 760 </span>    <span class="PreProc">var</span> next-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
 <span id="L761" class="LineNr"> 761 </span>    curr <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-ah
 <span id="L762" class="LineNr"> 762 </span>    <span class="PreProc">loop</span>
 <span id="L763" class="LineNr"> 763 </span>  <span class="Delimiter">}</span>
 <span id="L764" class="LineNr"> 764 </span><span class="Delimiter">}</span>
 <span id="L765" class="LineNr"> 765 </span>
-<span id="L766" class="LineNr"> 766 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L766'>bound-function?</a></span> w: (addr word), functions-ah: (addr handle function)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
-<span id="L767" class="LineNr"> 767 </span>  <span class="PreProc">var</span> result/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L766" class="LineNr"> 766 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L766'>bound-function?</a></span> w: (addr <a href='data.mu.html#L30'>word</a>), functions-ah: (addr handle <a href='data.mu.html#L14'>function</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
+<span id="L767" class="LineNr"> 767 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L70'>result</a>/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>  <span class="muComment"># true</span>
 <span id="L768" class="LineNr"> 768 </span>  <span class="Delimiter">{</span>
 <span id="L769" class="LineNr"> 769 </span>    <span class="muComment">## numbers</span>
 <span id="L770" class="LineNr"> 770 </span>    <span class="muComment"># if w == &quot;+&quot; return true</span>
-<span id="L771" class="LineNr"> 771 </span>    <span class="PreProc">var</span> subresult/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;+&quot;</span>
+<span id="L771" class="LineNr"> 771 </span>    <span class="PreProc">var</span> subresult/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;+&quot;</span>
 <span id="L772" class="LineNr"> 772 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L773" class="LineNr"> 773 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L774" class="LineNr"> 774 </span>    <span class="muComment"># if w == &quot;-&quot; return true</span>
-<span id="L775" class="LineNr"> 775 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;-&quot;</span>
+<span id="L775" class="LineNr"> 775 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;-&quot;</span>
 <span id="L776" class="LineNr"> 776 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L777" class="LineNr"> 777 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L778" class="LineNr"> 778 </span>    <span class="muComment"># if w == &quot;*&quot; return true</span>
-<span id="L779" class="LineNr"> 779 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;*&quot;</span>
+<span id="L779" class="LineNr"> 779 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;*&quot;</span>
 <span id="L780" class="LineNr"> 780 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L781" class="LineNr"> 781 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L782" class="LineNr"> 782 </span>    <span class="muComment">## strings/arrays</span>
 <span id="L783" class="LineNr"> 783 </span>    <span class="muComment"># if w == &quot;len&quot; return true</span>
-<span id="L784" class="LineNr"> 784 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;len&quot;</span>
+<span id="L784" class="LineNr"> 784 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;len&quot;</span>
 <span id="L785" class="LineNr"> 785 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L786" class="LineNr"> 786 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L787" class="LineNr"> 787 </span>    <span class="muComment">## files</span>
 <span id="L788" class="LineNr"> 788 </span>    <span class="muComment"># if w == &quot;open&quot; return true</span>
-<span id="L789" class="LineNr"> 789 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;open&quot;</span>
+<span id="L789" class="LineNr"> 789 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;open&quot;</span>
 <span id="L790" class="LineNr"> 790 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L791" class="LineNr"> 791 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L792" class="LineNr"> 792 </span>    <span class="muComment"># if w == &quot;read&quot; return true</span>
-<span id="L793" class="LineNr"> 793 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;read&quot;</span>
+<span id="L793" class="LineNr"> 793 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;read&quot;</span>
 <span id="L794" class="LineNr"> 794 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L795" class="LineNr"> 795 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L796" class="LineNr"> 796 </span>    <span class="muComment"># if w == &quot;slurp&quot; return true</span>
-<span id="L797" class="LineNr"> 797 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;slurp&quot;</span>
+<span id="L797" class="LineNr"> 797 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;slurp&quot;</span>
 <span id="L798" class="LineNr"> 798 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L799" class="LineNr"> 799 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L800" class="LineNr"> 800 </span>    <span class="muComment"># if w == &quot;lines&quot; return true</span>
-<span id="L801" class="LineNr"> 801 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;lines&quot;</span>
+<span id="L801" class="LineNr"> 801 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;lines&quot;</span>
 <span id="L802" class="LineNr"> 802 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L803" class="LineNr"> 803 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L804" class="LineNr"> 804 </span>    <span class="muComment">## screens</span>
 <span id="L805" class="LineNr"> 805 </span>    <span class="muComment"># if w == &quot;fake-screen&quot; return true</span>
-<span id="L806" class="LineNr"> 806 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;fake-screen&quot;</span>
+<span id="L806" class="LineNr"> 806 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;fake-screen&quot;</span>
 <span id="L807" class="LineNr"> 807 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L808" class="LineNr"> 808 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L809" class="LineNr"> 809 </span>    <span class="muComment"># if w == &quot;print&quot; return true</span>
-<span id="L810" class="LineNr"> 810 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;print&quot;</span>
+<span id="L810" class="LineNr"> 810 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;print&quot;</span>
 <span id="L811" class="LineNr"> 811 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L812" class="LineNr"> 812 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L813" class="LineNr"> 813 </span>    <span class="muComment"># if w == &quot;move&quot; return true</span>
-<span id="L814" class="LineNr"> 814 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;move&quot;</span>
+<span id="L814" class="LineNr"> 814 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;move&quot;</span>
 <span id="L815" class="LineNr"> 815 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L816" class="LineNr"> 816 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L817" class="LineNr"> 817 </span>    <span class="muComment"># if w == &quot;up&quot; return true</span>
-<span id="L818" class="LineNr"> 818 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;up&quot;</span>
+<span id="L818" class="LineNr"> 818 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;up&quot;</span>
 <span id="L819" class="LineNr"> 819 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L820" class="LineNr"> 820 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L821" class="LineNr"> 821 </span>    <span class="muComment"># if w == &quot;down&quot; return true</span>
-<span id="L822" class="LineNr"> 822 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;down&quot;</span>
+<span id="L822" class="LineNr"> 822 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;down&quot;</span>
 <span id="L823" class="LineNr"> 823 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L824" class="LineNr"> 824 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L825" class="LineNr"> 825 </span>    <span class="muComment"># if w == &quot;left&quot; return true</span>
-<span id="L826" class="LineNr"> 826 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;left&quot;</span>
+<span id="L826" class="LineNr"> 826 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;left&quot;</span>
 <span id="L827" class="LineNr"> 827 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L828" class="LineNr"> 828 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L829" class="LineNr"> 829 </span>    <span class="muComment"># if w == &quot;right&quot; return true</span>
-<span id="L830" class="LineNr"> 830 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;right&quot;</span>
+<span id="L830" class="LineNr"> 830 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;right&quot;</span>
 <span id="L831" class="LineNr"> 831 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L832" class="LineNr"> 832 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L833" class="LineNr"> 833 </span>    <span class="muComment">## hacks</span>
 <span id="L834" class="LineNr"> 834 </span>    <span class="muComment"># if w == &quot;dup&quot; return true</span>
-<span id="L835" class="LineNr"> 835 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;dup&quot;</span>
+<span id="L835" class="LineNr"> 835 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;dup&quot;</span>
 <span id="L836" class="LineNr"> 836 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L837" class="LineNr"> 837 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L838" class="LineNr"> 838 </span>    <span class="muComment"># if w == &quot;swap&quot; return true</span>
-<span id="L839" class="LineNr"> 839 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;swap&quot;</span>
+<span id="L839" class="LineNr"> 839 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L99'>word-equal?</a> w, <span class="Constant">&quot;swap&quot;</span>
 <span id="L840" class="LineNr"> 840 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L841" class="LineNr"> 841 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L842" class="LineNr"> 842 </span>    <span class="muComment"># return w in functions</span>
-<span id="L843" class="LineNr"> 843 </span>    <span class="PreProc">var</span> out-h: (handle function)
-<span id="L844" class="LineNr"> 844 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address out-h
+<span id="L843" class="LineNr"> 843 </span>    <span class="PreProc">var</span> out-h: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L844" class="LineNr"> 844 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> address out-h
 <span id="L845" class="LineNr"> 845 </span>    <a href='environment.mu.html#L1385'>callee</a> functions-ah, w, out
-<span id="L846" class="LineNr"> 846 </span>    <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *out
-<span id="L847" class="LineNr"> 847 </span>    result <span class="SpecialChar">&lt;-</span> copy found?
+<span id="L846" class="LineNr"> 846 </span>    <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *out
+<span id="L847" class="LineNr"> 847 </span>    <a href='data.mu.html#L70'>result</a> <span class="SpecialChar">&lt;-</span> copy found?
 <span id="L848" class="LineNr"> 848 </span>  <span class="Delimiter">}</span>
-<span id="L849" class="LineNr"> 849 </span>  <span class="PreProc">return</span> result
+<span id="L849" class="LineNr"> 849 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
 <span id="L850" class="LineNr"> 850 </span><span class="Delimiter">}</span>
 <span id="L851" class="LineNr"> 851 </span>
-<span id="L852" class="LineNr"> 852 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L852'>arg-exists?</a></span> _f-ah: (addr handle function), arg: (addr word)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
-<span id="L853" class="LineNr"> 853 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _f-ah
-<span id="L854" class="LineNr"> 854 </span>  <span class="PreProc">var</span> f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
-<span id="L855" class="LineNr"> 855 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
-<span id="L856" class="LineNr"> 856 </span>  <span class="PreProc">var</span> result/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> word-exists? args-ah, arg
-<span id="L857" class="LineNr"> 857 </span>  <span class="PreProc">return</span> result
+<span id="L852" class="LineNr"> 852 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L852'>arg-exists?</a></span> _f-ah: (addr handle <a href='data.mu.html#L14'>function</a>), arg: (addr <a href='data.mu.html#L30'>word</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
+<span id="L853" class="LineNr"> 853 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _f-ah
+<span id="L854" class="LineNr"> 854 </span>  <span class="PreProc">var</span> f/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
+<span id="L855" class="LineNr"> 855 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
+<span id="L856" class="LineNr"> 856 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L70'>result</a>/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L525'>word-exists?</a> args-ah, arg
+<span id="L857" class="LineNr"> 857 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
 <span id="L858" class="LineNr"> 858 </span><span class="Delimiter">}</span>
 <span id="L859" class="LineNr"> 859 </span>
 <span id="L860" class="LineNr"> 860 </span><span class="muComment"># construct a call to `f` with copies of exactly its args</span>
-<span id="L861" class="LineNr"> 861 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L861'>construct-call</a></span> _f-ah: (addr handle function), _dest-ah: (addr handle word) <span class="Delimiter">{</span>
-<span id="L862" class="LineNr"> 862 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _f-ah
-<span id="L863" class="LineNr"> 863 </span>  <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
-<span id="L864" class="LineNr"> 864 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _f
+<span id="L861" class="LineNr"> 861 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L861'>construct-call</a></span> _f-ah: (addr handle <a href='data.mu.html#L14'>function</a>), _dest-ah: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="Delimiter">{</span>
+<span id="L862" class="LineNr"> 862 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _f-ah
+<span id="L863" class="LineNr"> 863 </span>  <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
+<span id="L864" class="LineNr"> 864 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _f
 <span id="L865" class="LineNr"> 865 </span>  <span class="muComment"># append args in reverse</span>
-<span id="L866" class="LineNr"> 866 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
-<span id="L867" class="LineNr"> 867 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> copy _dest-ah
-<span id="L868" class="LineNr"> 868 </span>  copy-words-in-reverse args-ah, dest-ah
+<span id="L866" class="LineNr"> 866 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
+<span id="L867" class="LineNr"> 867 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> copy _dest-ah
+<span id="L868" class="LineNr"> 868 </span>  <a href='word.mu.html#L306'>copy-words-in-reverse</a> args-ah, dest-ah
 <span id="L869" class="LineNr"> 869 </span>  <span class="muComment"># append name</span>
 <span id="L870" class="LineNr"> 870 </span>  <span class="PreProc">var</span> name-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, name
 <span id="L871" class="LineNr"> 871 </span>  <span class="PreProc">var</span> name/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *name-ah
-<span id="L872" class="LineNr"> 872 </span>  append-word-at-end-with dest-ah, name
+<span id="L872" class="LineNr"> 872 </span>  <a href='word.mu.html#L348'>append-word-at-end-with</a> dest-ah, name
 <span id="L873" class="LineNr"> 873 </span><span class="Delimiter">}</span>
 <span id="L874" class="LineNr"> 874 </span>
-<span id="L875" class="LineNr"> 875 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L875'>word-index</a></span> _words: (addr handle word), _n: int, out: (addr handle word) <span class="Delimiter">{</span>
+<span id="L875" class="LineNr"> 875 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L875'>word-index</a></span> _words: (addr handle <a href='data.mu.html#L30'>word</a>), _n: int, out: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="Delimiter">{</span>
 <span id="L876" class="LineNr"> 876 </span>$word-index:body: <span class="Delimiter">{</span>
 <span id="L877" class="LineNr"> 877 </span>  <span class="PreProc">var</span> n/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy _n
 <span id="L878" class="LineNr"> 878 </span>  <span class="Delimiter">{</span>
@@ -941,30 +941,30 @@ if ('onhashchange' in window) {
 <span id="L881" class="LineNr"> 881 </span>    copy-object _words, out
 <span id="L882" class="LineNr"> 882 </span>    <span class="PreProc">break</span> $word-index:body
 <span id="L883" class="LineNr"> 883 </span>  <span class="Delimiter">}</span>
-<span id="L884" class="LineNr"> 884 </span>  <span class="PreProc">var</span> words-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> copy _words
-<span id="L885" class="LineNr"> 885 </span>  <span class="PreProc">var</span> words/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *words-ah
-<span id="L886" class="LineNr"> 886 </span>  <span class="PreProc">var</span> next/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> words, next
+<span id="L884" class="LineNr"> 884 </span>  <span class="PreProc">var</span> words-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> copy _words
+<span id="L885" class="LineNr"> 885 </span>  <span class="PreProc">var</span> words/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *words-ah
+<span id="L886" class="LineNr"> 886 </span>  <span class="PreProc">var</span> next/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> words, next
 <span id="L887" class="LineNr"> 887 </span>  n <span class="SpecialChar">&lt;-</span> decrement
 <span id="L888" class="LineNr"> 888 </span>  <a href='environment.mu.html#L875'>word-index</a> next, n, out
 <span id="L889" class="LineNr"> 889 </span><span class="Delimiter">}</span>
 <span id="L890" class="LineNr"> 890 </span><span class="Delimiter">}</span>
 <span id="L891" class="LineNr"> 891 </span>
-<span id="L892" class="LineNr"> 892 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L892'>toggle-cursor-word</a></span> _sandbox: (addr sandbox) <span class="Delimiter">{</span>
+<span id="L892" class="LineNr"> 892 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L892'>toggle-cursor-word</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
 <span id="L893" class="LineNr"> 893 </span>$toggle-cursor-word:body: <span class="Delimiter">{</span>
-<span id="L894" class="LineNr"> 894 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L895" class="LineNr"> 895 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
-<span id="L896" class="LineNr"> 896 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L894" class="LineNr"> 894 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L895" class="LineNr"> 895 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L59'>call-path</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, expanded-words
+<span id="L896" class="LineNr"> 896 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
 <span id="L897" class="LineNr"> 897 </span><span class="CommentedCode">#?   print-string 0, &quot;cursor call path: &quot;</span>
 <span id="L898" class="LineNr"> 898 </span><span class="CommentedCode">#?   dump-call-path-element 0, cursor-call-path</span>
 <span id="L899" class="LineNr"> 899 </span><span class="CommentedCode">#?   print-string 0, &quot;expanded words:\n&quot;</span>
 <span id="L900" class="LineNr"> 900 </span><span class="CommentedCode">#?   dump-call-paths 0, expanded-words</span>
-<span id="L901" class="LineNr"> 901 </span>  <span class="PreProc">var</span> already-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, cursor-call-path
+<span id="L901" class="LineNr"> 901 </span>  <span class="PreProc">var</span> already-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L447'>find-in-call-paths</a> expanded-words, cursor-call-path
 <span id="L902" class="LineNr"> 902 </span>  compare already-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L903" class="LineNr"> 903 </span>  <span class="Delimiter">{</span>
 <span id="L904" class="LineNr"> 904 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L905" class="LineNr"> 905 </span><span class="CommentedCode">#?     print-string 0, &quot;expand\n&quot;</span>
 <span id="L906" class="LineNr"> 906 </span>    <span class="muComment"># if not already-expanded, insert</span>
-<span id="L907" class="LineNr"> 907 </span>    insert-in-call-path expanded-words cursor-call-path
+<span id="L907" class="LineNr"> 907 </span>    <a href='data.mu.html#L514'>insert-in-call-path</a> expanded-words cursor-call-path
 <span id="L908" class="LineNr"> 908 </span><span class="CommentedCode">#?     print-string 0, &quot;expanded words now:\n&quot;</span>
 <span id="L909" class="LineNr"> 909 </span><span class="CommentedCode">#?     dump-call-paths 0, expanded-words</span>
 <span id="L910" class="LineNr"> 910 </span>    <span class="PreProc">break</span> $toggle-cursor-word:body
@@ -972,36 +972,36 @@ if ('onhashchange' in window) {
 <span id="L912" class="LineNr"> 912 </span>  <span class="Delimiter">{</span>
 <span id="L913" class="LineNr"> 913 </span>    <span class="PreProc">break-if-=</span>
 <span id="L914" class="LineNr"> 914 </span>    <span class="muComment"># otherwise delete</span>
-<span id="L915" class="LineNr"> 915 </span>    delete-in-call-path expanded-words cursor-call-path
+<span id="L915" class="LineNr"> 915 </span>    <a href='data.mu.html#L550'>delete-in-call-path</a> expanded-words cursor-call-path
 <span id="L916" class="LineNr"> 916 </span>  <span class="Delimiter">}</span>
 <span id="L917" class="LineNr"> 917 </span><span class="Delimiter">}</span>
 <span id="L918" class="LineNr"> 918 </span><span class="Delimiter">}</span>
 <span id="L919" class="LineNr"> 919 </span>
-<span id="L920" class="LineNr"> 920 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L920'>append-line</a></span> _sandbox: (addr sandbox) <span class="Delimiter">{</span>
-<span id="L921" class="LineNr"> 921 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L922" class="LineNr"> 922 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">ecx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L920" class="LineNr"> 920 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L920'>append-line</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
+<span id="L921" class="LineNr"> 921 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L922" class="LineNr"> 922 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, data
 <span id="L923" class="LineNr"> 923 </span>  <span class="Delimiter">{</span>
-<span id="L924" class="LineNr"> 924 </span>    <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
-<span id="L925" class="LineNr"> 925 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, next
-<span id="L926" class="LineNr"> 926 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
+<span id="L924" class="LineNr"> 924 </span>    <span class="PreProc">var</span> <a href='data.mu.html#L22'>line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L925" class="LineNr"> 925 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L22'>line</a>, next
+<span id="L926" class="LineNr"> 926 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
 <span id="L927" class="LineNr"> 927 </span>    compare next-line, <span class="Constant">0</span>
 <span id="L928" class="LineNr"> 928 </span>    <span class="PreProc">break-if-=</span>
 <span id="L929" class="LineNr"> 929 </span>    line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
 <span id="L930" class="LineNr"> 930 </span>    <span class="PreProc">loop</span>
 <span id="L931" class="LineNr"> 931 </span>  <span class="Delimiter">}</span>
-<span id="L932" class="LineNr"> 932 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
-<span id="L933" class="LineNr"> 933 </span>  <span class="PreProc">var</span> final-line-ah/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, next
+<span id="L932" class="LineNr"> 932 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L22'>line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L933" class="LineNr"> 933 </span>  <span class="PreProc">var</span> final-line-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L22'>line</a>, next
 <span id="L934" class="LineNr"> 934 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> final-line-ah
-<span id="L935" class="LineNr"> 935 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
-<span id="L936" class="LineNr"> 936 </span>  initialize-line <a href='environment.mu.html#L1072'>final-line</a>
-<span id="L937" class="LineNr"> 937 </span>  <span class="PreProc">var</span> final-prev/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1072'>final-line</a>, prev
+<span id="L935" class="LineNr"> 935 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L936" class="LineNr"> 936 </span>  <a href='data.mu.html#L90'>initialize-line</a> <a href='environment.mu.html#L1072'>final-line</a>
+<span id="L937" class="LineNr"> 937 </span>  <span class="PreProc">var</span> final-prev/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1072'>final-line</a>, prev
 <span id="L938" class="LineNr"> 938 </span>  copy-object line-ah, final-prev
 <span id="L939" class="LineNr"> 939 </span>  <span class="muComment"># clear cursor</span>
-<span id="L940" class="LineNr"> 940 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
-<span id="L941" class="LineNr"> 941 </span>  <span class="PreProc">var</span> word-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1072'>final-line</a>, data
-<span id="L942" class="LineNr"> 942 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L943" class="LineNr"> 943 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L944" class="LineNr"> 944 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
+<span id="L940" class="LineNr"> 940 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L941" class="LineNr"> 941 </span>  <span class="PreProc">var</span> word-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1072'>final-line</a>, data
+<span id="L942" class="LineNr"> 942 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L943" class="LineNr"> 943 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L944" class="LineNr"> 944 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
 <span id="L945" class="LineNr"> 945 </span>  copy-object word-ah, dest
 <span id="L946" class="LineNr"> 946 </span><span class="Delimiter">}</span>
 <span id="L947" class="LineNr"> 947 </span>
@@ -1009,17 +1009,17 @@ if ('onhashchange' in window) {
 <span id="L949" class="LineNr"> 949 </span><span class="muComment"># Visualize</span>
 <span id="L950" class="LineNr"> 950 </span><span class="muComment">#############</span>
 <span id="L951" class="LineNr"> 951 </span>
-<span id="L952" class="LineNr"> 952 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L952'>evaluate-environment</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>), stack: (addr value-stack) <span class="Delimiter">{</span>
+<span id="L952" class="LineNr"> 952 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L952'>evaluate-environment</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>), stack: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="Delimiter">{</span>
 <span id="L953" class="LineNr"> 953 </span>  <span class="PreProc">var</span> env/<span class="Constant">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="SpecialChar">&lt;-</span> copy _env
 <span id="L954" class="LineNr"> 954 </span>  <span class="muComment"># functions</span>
-<span id="L955" class="LineNr"> 955 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
+<span id="L955" class="LineNr"> 955 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
 <span id="L956" class="LineNr"> 956 </span>  <span class="muComment"># line</span>
-<span id="L957" class="LineNr"> 957 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">esi</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
-<span id="L958" class="LineNr"> 958 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
-<span id="L959" class="LineNr"> 959 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L960" class="LineNr"> 960 </span>  <span class="PreProc">var</span> _line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
-<span id="L961" class="LineNr"> 961 </span>  <span class="PreProc">var</span> line/<span class="Constant">esi</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
-<span id="L962" class="LineNr"> 962 </span>  evaluate functions, <span class="Constant">0</span>, line, <span class="Constant">0</span>, stack
+<span id="L957" class="LineNr"> 957 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">esi</span>: (addr handle <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
+<span id="L958" class="LineNr"> 958 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
+<span id="L959" class="LineNr"> 959 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, data
+<span id="L960" class="LineNr"> 960 </span>  <span class="PreProc">var</span> _line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L961" class="LineNr"> 961 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L22'>line</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> copy _line
+<span id="L962" class="LineNr"> 962 </span>  <a href='rpn.mu.html#L1'>evaluate</a> functions, <span class="Constant">0</span>, <a href='data.mu.html#L22'>line</a>, <span class="Constant">0</span>, stack
 <span id="L963" class="LineNr"> 963 </span><span class="Delimiter">}</span>
 <span id="L964" class="LineNr"> 964 </span>
 <span id="L965" class="LineNr"> 965 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L965'>render</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
@@ -1035,25 +1035,25 @@ if ('onhashchange' in window) {
 <span id="L975" class="LineNr"> 975 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
 <span id="L976" class="LineNr"> 976 </span>  repl-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># repl-margin-left</span>
 <span id="L977" class="LineNr"> 977 </span>  <span class="muComment"># functions</span>
-<span id="L978" class="LineNr"> 978 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
+<span id="L978" class="LineNr"> 978 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
 <span id="L979" class="LineNr"> 979 </span>  <span class="muComment"># sandbox</span>
-<span id="L980" class="LineNr"> 980 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
-<span id="L981" class="LineNr"> 981 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
+<span id="L980" class="LineNr"> 980 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
+<span id="L981" class="LineNr"> 981 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
 <span id="L982" class="LineNr"> 982 </span>  <span class="muComment"># bindings</span>
-<span id="L983" class="LineNr"> 983 </span>  <span class="PreProc">var</span> bindings-storage: table
-<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> bindings/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings-storage
-<span id="L985" class="LineNr"> 985 </span>  initialize-table bindings, <span class="Constant">0x10</span>
+<span id="L983" class="LineNr"> 983 </span>  <span class="PreProc">var</span> bindings-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> bindings/<span class="Constant">ebx</span>: (addr <a href='data.mu.html#L47'>table</a>) <span class="SpecialChar">&lt;-</span> address bindings-storage
+<span id="L985" class="LineNr"> 985 </span>  <a href='table.mu.html#L1'>initialize-table</a> bindings, <span class="Constant">0x10</span>
 <span id="L986" class="LineNr"> 986 </span><span class="CommentedCode">#?   print-string 0, &quot;render-sandbox {\n&quot;</span>
-<span id="L987" class="LineNr"> 987 </span>  <a href='environment.mu.html#L991'>render-sandbox</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, sandbox, <span class="Constant">3</span>, repl-col
+<span id="L987" class="LineNr"> 987 </span>  <a href='environment.mu.html#L991'>render-sandbox</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, <a href='data.mu.html#L1'>sandbox</a>, <span class="Constant">3</span>, repl-col
 <span id="L988" class="LineNr"> 988 </span><span class="CommentedCode">#?   print-string 0, &quot;render-sandbox }\n&quot;</span>
 <span id="L989" class="LineNr"> 989 </span><span class="Delimiter">}</span>
 <span id="L990" class="LineNr"> 990 </span>
-<span id="L991" class="LineNr"> 991 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L991'>render-sandbox</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int <span class="Delimiter">{</span>
-<span id="L992" class="LineNr"> 992 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L991" class="LineNr"> 991 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L991'>render-sandbox</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle <a href='data.mu.html#L14'>function</a>), bindings: (addr <a href='data.mu.html#L47'>table</a>), _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), top-row: int, left-col: int <span class="Delimiter">{</span>
+<span id="L992" class="LineNr"> 992 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
 <span id="L993" class="LineNr"> 993 </span>  <span class="muComment"># line</span>
-<span id="L994" class="LineNr"> 994 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L995" class="LineNr"> 995 </span>  <span class="PreProc">var</span> _curr-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
-<span id="L996" class="LineNr"> 996 </span>  <span class="PreProc">var</span> curr-line/<span class="Constant">ecx</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _curr-line
+<span id="L994" class="LineNr"> 994 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, data
+<span id="L995" class="LineNr"> 995 </span>  <span class="PreProc">var</span> _curr-line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
+<span id="L996" class="LineNr"> 996 </span>  <span class="PreProc">var</span> curr-line/<span class="Constant">ecx</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> copy _curr-line
 <span id="L997" class="LineNr"> 997 </span>  <span class="muComment">#</span>
 <span id="L998" class="LineNr"> 998 </span>  <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
 <span id="L999" class="LineNr"> 999 </span>  <span class="muComment"># cursor row, col</span>
@@ -1068,15 +1068,15 @@ if ('onhashchange' in window) {
 <span id="L1008" class="LineNr">1008 </span>  <span class="muComment"># render all but final line without stack</span>
 <span id="L1009" class="LineNr">1009 </span><span class="CommentedCode">#?   print-string 0, &quot;render all but final line\n&quot;</span>
 <span id="L1010" class="LineNr">1010 </span>  <span class="Delimiter">{</span>
-<span id="L1011" class="LineNr">1011 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
-<span id="L1012" class="LineNr">1012 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
+<span id="L1011" class="LineNr">1011 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
+<span id="L1012" class="LineNr">1012 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
 <span id="L1013" class="LineNr">1013 </span>    compare next-line, <span class="Constant">0</span>
 <span id="L1014" class="LineNr">1014 </span>    <span class="PreProc">break-if-=</span>
 <span id="L1015" class="LineNr">1015 </span>    <span class="Delimiter">{</span>
-<span id="L1016" class="LineNr">1016 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L1017" class="LineNr">1017 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L1018" class="LineNr">1018 </span>      <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L1019" class="LineNr">1019 </span>      <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L1016" class="LineNr">1016 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L1017" class="LineNr">1017 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L1018" class="LineNr">1018 </span>      <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L1019" class="LineNr">1019 </span>      <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
 <span id="L1020" class="LineNr">1020 </span>      <span class="muComment"># it's enough to pass in the first word of the path, because if the path isn't a singleton the word is guaranteed to be unique</span>
 <span id="L1021" class="LineNr">1021 </span>      <a href='environment.mu.html#L1172'>render-line-without-stack</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-line, curr-row, left-col, cursor-word, cursor-row-addr, cursor-col-addr
 <span id="L1022" class="LineNr">1022 </span>    <span class="Delimiter">}</span>
@@ -1085,57 +1085,57 @@ if ('onhashchange' in window) {
 <span id="L1025" class="LineNr">1025 </span>    <span class="PreProc">loop</span>
 <span id="L1026" class="LineNr">1026 </span>  <span class="Delimiter">}</span>
 <span id="L1027" class="LineNr">1027 </span>  <span class="muComment">#</span>
-<span id="L1028" class="LineNr">1028 </span>  <a href='environment.mu.html#L1035'>render-final-line-with-stack</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, sandbox, curr-row, left-col, cursor-row-addr, cursor-col-addr
+<span id="L1028" class="LineNr">1028 </span>  <a href='environment.mu.html#L1035'>render-final-line-with-stack</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, <a href='data.mu.html#L1'>sandbox</a>, curr-row, left-col, cursor-row-addr, cursor-col-addr
 <span id="L1029" class="LineNr">1029 </span>  <span class="muComment"># at most one of the following dialogs will be rendered</span>
-<span id="L1030" class="LineNr">1030 </span>  <a href='environment.mu.html#L1087'>render-rename-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, sandbox, cursor-row, cursor-col
-<span id="L1031" class="LineNr">1031 </span>  <a href='environment.mu.html#L1129'>render-define-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, sandbox, cursor-row, cursor-col
+<span id="L1030" class="LineNr">1030 </span>  <a href='environment.mu.html#L1087'>render-rename-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L1'>sandbox</a>, cursor-row, cursor-col
+<span id="L1031" class="LineNr">1031 </span>  <a href='environment.mu.html#L1129'>render-define-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L1'>sandbox</a>, cursor-row, cursor-col
 <span id="L1032" class="LineNr">1032 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, cursor-col
 <span id="L1033" class="LineNr">1033 </span><span class="Delimiter">}</span>
 <span id="L1034" class="LineNr">1034 </span>
-<span id="L1035" class="LineNr">1035 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1035'>render-final-line-with-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int, cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
-<span id="L1036" class="LineNr">1036 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1035" class="LineNr">1035 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1035'>render-final-line-with-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle <a href='data.mu.html#L14'>function</a>), bindings: (addr <a href='data.mu.html#L47'>table</a>), _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), top-row: int, left-col: int, cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
+<span id="L1036" class="LineNr">1036 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
 <span id="L1037" class="LineNr">1037 </span>  <span class="muComment"># expanded-words</span>
-<span id="L1038" class="LineNr">1038 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
+<span id="L1038" class="LineNr">1038 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L59'>call-path</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, expanded-words
 <span id="L1039" class="LineNr">1039 </span>  <span class="muComment"># cursor-word</span>
-<span id="L1040" class="LineNr">1040 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L1041" class="LineNr">1041 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L1042" class="LineNr">1042 </span>  <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L1043" class="LineNr">1043 </span>  <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L1044" class="LineNr">1044 </span>  <span class="PreProc">var</span> cursor-word/<span class="Constant">ebx</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _cursor-word
+<span id="L1040" class="LineNr">1040 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L1041" class="LineNr">1041 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L1042" class="LineNr">1042 </span>  <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, <a href='data.mu.html#L30'>word</a>
+<span id="L1043" class="LineNr">1043 </span>  <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L1044" class="LineNr">1044 </span>  <span class="PreProc">var</span> cursor-word/<span class="Constant">ebx</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> copy _cursor-word
 <span id="L1045" class="LineNr">1045 </span><span class="CommentedCode">#?   print-string 0, &quot;word at cursor: &quot;</span>
 <span id="L1046" class="LineNr">1046 </span><span class="CommentedCode">#?   print-word 0, cursor-word</span>
 <span id="L1047" class="LineNr">1047 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
 <span id="L1048" class="LineNr">1048 </span>  <span class="muComment"># cursor-call-path</span>
-<span id="L1049" class="LineNr">1049 </span>  <span class="PreProc">var</span> cursor-call-path: (addr handle call-path-element)
+<span id="L1049" class="LineNr">1049 </span>  <span class="PreProc">var</span> cursor-call-path: (addr handle <a href='data.mu.html#L65'>call-path-element</a>)
 <span id="L1050" class="LineNr">1050 </span>  <span class="Delimiter">{</span>
-<span id="L1051" class="LineNr">1051 </span>    <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L1051" class="LineNr">1051 </span>    <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
 <span id="L1052" class="LineNr">1052 </span>    copy-to cursor-call-path, src
 <span id="L1053" class="LineNr">1053 </span>  <span class="Delimiter">}</span>
 <span id="L1054" class="LineNr">1054 </span>  <span class="muComment"># first line</span>
-<span id="L1055" class="LineNr">1055 </span>  <span class="PreProc">var</span> first-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L1056" class="LineNr">1056 </span>  <span class="PreProc">var</span> _first-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-line-ah
-<span id="L1057" class="LineNr">1057 </span>  <span class="PreProc">var</span> first-line/<span class="Constant">edx</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _first-line
+<span id="L1055" class="LineNr">1055 </span>  <span class="PreProc">var</span> first-line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, data
+<span id="L1056" class="LineNr">1056 </span>  <span class="PreProc">var</span> _first-line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-line-ah
+<span id="L1057" class="LineNr">1057 </span>  <span class="PreProc">var</span> first-line/<span class="Constant">edx</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> copy _first-line
 <span id="L1058" class="LineNr">1058 </span>  <span class="muComment"># final line</span>
-<span id="L1059" class="LineNr">1059 </span>  <span class="PreProc">var</span> final-line-storage: (handle line)
-<span id="L1060" class="LineNr">1060 </span>  <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address final-line-storage
-<span id="L1061" class="LineNr">1061 </span>  <a href='environment.mu.html#L1072'>final-line</a> sandbox, final-line-ah
-<span id="L1062" class="LineNr">1062 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L1059" class="LineNr">1059 </span>  <span class="PreProc">var</span> final-line-storage: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L1060" class="LineNr">1060 </span>  <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> address final-line-storage
+<span id="L1061" class="LineNr">1061 </span>  <a href='environment.mu.html#L1072'>final-line</a> <a href='data.mu.html#L1'>sandbox</a>, final-line-ah
+<span id="L1062" class="LineNr">1062 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1072'>final-line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
 <span id="L1063" class="LineNr">1063 </span>  <span class="muComment"># curr-path</span>
-<span id="L1064" class="LineNr">1064 </span>  <span class="PreProc">var</span> curr-path-storage: (handle call-path-element)
-<span id="L1065" class="LineNr">1065 </span>  <span class="PreProc">var</span> curr-path/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> address curr-path-storage
+<span id="L1064" class="LineNr">1064 </span>  <span class="PreProc">var</span> curr-path-storage: (handle <a href='data.mu.html#L65'>call-path-element</a>)
+<span id="L1065" class="LineNr">1065 </span>  <span class="PreProc">var</span> curr-path/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> address curr-path-storage
 <span id="L1066" class="LineNr">1066 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> curr-path  <span class="muComment"># leak</span>
-<span id="L1067" class="LineNr">1067 </span>  initialize-path-from-line <a href='environment.mu.html#L1072'>final-line</a>, curr-path
+<span id="L1067" class="LineNr">1067 </span>  <a href='data.mu.html#L438'>initialize-path-from-line</a> <a href='environment.mu.html#L1072'>final-line</a>, curr-path
 <span id="L1068" class="LineNr">1068 </span>  <span class="muComment">#</span>
 <span id="L1069" class="LineNr">1069 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1259'>render-line</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, first-line, <a href='environment.mu.html#L1072'>final-line</a>, expanded-words, top-row, left-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
 <span id="L1070" class="LineNr">1070 </span><span class="Delimiter">}</span>
 <span id="L1071" class="LineNr">1071 </span>
-<span id="L1072" class="LineNr">1072 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1072'>final-line</a></span> _sandbox: (addr sandbox), out: (addr handle line) <span class="Delimiter">{</span>
-<span id="L1073" class="LineNr">1073 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1074" class="LineNr">1074 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">ecx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L1072" class="LineNr">1072 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1072'>final-line</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), out: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="Delimiter">{</span>
+<span id="L1073" class="LineNr">1073 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1074" class="LineNr">1074 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, data
 <span id="L1075" class="LineNr">1075 </span>  <span class="Delimiter">{</span>
-<span id="L1076" class="LineNr">1076 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
-<span id="L1077" class="LineNr">1077 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
-<span id="L1078" class="LineNr">1078 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
+<span id="L1076" class="LineNr">1076 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
+<span id="L1077" class="LineNr">1077 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
+<span id="L1078" class="LineNr">1078 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
 <span id="L1079" class="LineNr">1079 </span>    compare next-line, <span class="Constant">0</span>
 <span id="L1080" class="LineNr">1080 </span>    <span class="PreProc">break-if-=</span>
 <span id="L1081" class="LineNr">1081 </span>    curr-line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
@@ -1144,10 +1144,10 @@ if ('onhashchange' in window) {
 <span id="L1084" class="LineNr">1084 </span>  copy-object curr-line-ah, out
 <span id="L1085" class="LineNr">1085 </span><span class="Delimiter">}</span>
 <span id="L1086" class="LineNr">1086 </span>
-<span id="L1087" class="LineNr">1087 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1087'>render-rename-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
-<span id="L1088" class="LineNr">1088 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1089" class="LineNr">1089 </span>  <span class="PreProc">var</span> rename-word-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
-<span id="L1090" class="LineNr">1090 </span>  <span class="PreProc">var</span> rename-word-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *rename-word-mode-ah?
+<span id="L1087" class="LineNr">1087 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1087'>render-rename-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
+<span id="L1088" class="LineNr">1088 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">edi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1089" class="LineNr">1089 </span>  <span class="PreProc">var</span> rename-word-mode-ah?/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-cursor-word
+<span id="L1090" class="LineNr">1090 </span>  <span class="PreProc">var</span> rename-word-mode?/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *rename-word-mode-ah?
 <span id="L1091" class="LineNr">1091 </span>  compare rename-word-mode?, <span class="Constant">0</span>
 <span id="L1092" class="LineNr">1092 </span>  <span class="PreProc">break-if-=</span>
 <span id="L1093" class="LineNr">1093 </span>  <span class="muComment"># clear a space for the dialog</span>
@@ -1159,8 +1159,8 @@ if ('onhashchange' in window) {
 <span id="L1099" class="LineNr">1099 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
 <span id="L1100" class="LineNr">1100 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
 <span id="L1101" class="LineNr">1101 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
-<span id="L1102" class="LineNr">1102 </span>  clear-rect <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
-<span id="L1103" class="LineNr">1103 </span>  draw-box <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1102" class="LineNr">1102 </span>  <a href='box.mu.html#L71'>clear-rect</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1103" class="LineNr">1103 </span>  <a href='box.mu.html#L1'>draw-box</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
 <span id="L1104" class="LineNr">1104 </span>  <span class="muComment"># render a little menu for the dialog</span>
 <span id="L1105" class="LineNr">1105 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
 <span id="L1106" class="LineNr">1106 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
@@ -1177,19 +1177,19 @@ if ('onhashchange' in window) {
 <span id="L1117" class="LineNr">1117 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; rename  &quot;</span>
 <span id="L1118" class="LineNr">1118 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
 <span id="L1119" class="LineNr">1119 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1120" class="LineNr">1120 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
-<span id="L1121" class="LineNr">1121 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1122" class="LineNr">1122 </span>  <span class="PreProc">var</span> cursor-index/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index word
-<span id="L1123" class="LineNr">1123 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract cursor-index
+<span id="L1120" class="LineNr">1120 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-cursor-word
+<span id="L1121" class="LineNr">1121 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L30'>word</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1122" class="LineNr">1122 </span>  <span class="PreProc">var</span> <a href='word.mu.html#L215'>cursor-index</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L215'>cursor-index</a> <a href='data.mu.html#L30'>word</a>
+<span id="L1123" class="LineNr">1123 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <a href='word.mu.html#L215'>cursor-index</a>
 <span id="L1124" class="LineNr">1124 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
-<span id="L1125" class="LineNr">1125 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1126" class="LineNr">1126 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, word
+<span id="L1125" class="LineNr">1125 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L30'>word</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1126" class="LineNr">1126 </span>  <a href='word.mu.html#L254'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L30'>word</a>
 <span id="L1127" class="LineNr">1127 </span><span class="Delimiter">}</span>
 <span id="L1128" class="LineNr">1128 </span>
-<span id="L1129" class="LineNr">1129 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1129'>render-define-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
-<span id="L1130" class="LineNr">1130 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1131" class="LineNr">1131 </span>  <span class="PreProc">var</span> define-function-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
-<span id="L1132" class="LineNr">1132 </span>  <span class="PreProc">var</span> define-function-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *define-function-mode-ah?
+<span id="L1129" class="LineNr">1129 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1129'>render-define-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
+<span id="L1130" class="LineNr">1130 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">edi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1131" class="LineNr">1131 </span>  <span class="PreProc">var</span> define-function-mode-ah?/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-function
+<span id="L1132" class="LineNr">1132 </span>  <span class="PreProc">var</span> define-function-mode?/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *define-function-mode-ah?
 <span id="L1133" class="LineNr">1133 </span>  compare define-function-mode?, <span class="Constant">0</span>
 <span id="L1134" class="LineNr">1134 </span>  <span class="PreProc">break-if-=</span>
 <span id="L1135" class="LineNr">1135 </span>  <span class="muComment"># clear a space for the dialog</span>
@@ -1201,8 +1201,8 @@ if ('onhashchange' in window) {
 <span id="L1141" class="LineNr">1141 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
 <span id="L1142" class="LineNr">1142 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
 <span id="L1143" class="LineNr">1143 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
-<span id="L1144" class="LineNr">1144 </span>  clear-rect <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
-<span id="L1145" class="LineNr">1145 </span>  draw-box <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1144" class="LineNr">1144 </span>  <a href='box.mu.html#L71'>clear-rect</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1145" class="LineNr">1145 </span>  <a href='box.mu.html#L1'>draw-box</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
 <span id="L1146" class="LineNr">1146 </span>  <span class="muComment"># render a little menu for the dialog</span>
 <span id="L1147" class="LineNr">1147 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
 <span id="L1148" class="LineNr">1148 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
@@ -1219,22 +1219,22 @@ if ('onhashchange' in window) {
 <span id="L1159" class="LineNr">1159 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; define  &quot;</span>
 <span id="L1160" class="LineNr">1160 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
 <span id="L1161" class="LineNr">1161 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1162" class="LineNr">1162 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
-<span id="L1163" class="LineNr">1163 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1164" class="LineNr">1164 </span>  <span class="PreProc">var</span> cursor-index/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index word
-<span id="L1165" class="LineNr">1165 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract cursor-index
+<span id="L1162" class="LineNr">1162 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, partial-name-for-function
+<span id="L1163" class="LineNr">1163 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L30'>word</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1164" class="LineNr">1164 </span>  <span class="PreProc">var</span> <a href='word.mu.html#L215'>cursor-index</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L215'>cursor-index</a> <a href='data.mu.html#L30'>word</a>
+<span id="L1165" class="LineNr">1165 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <a href='word.mu.html#L215'>cursor-index</a>
 <span id="L1166" class="LineNr">1166 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
-<span id="L1167" class="LineNr">1167 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1168" class="LineNr">1168 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, word
+<span id="L1167" class="LineNr">1167 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L30'>word</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1168" class="LineNr">1168 </span>  <a href='word.mu.html#L254'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L30'>word</a>
 <span id="L1169" class="LineNr">1169 </span><span class="Delimiter">}</span>
 <span id="L1170" class="LineNr">1170 </span>
 <span id="L1171" class="LineNr">1171 </span><span class="muComment"># Render just the words in 'line'.</span>
-<span id="L1172" class="LineNr">1172 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1172'>render-line-without-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _line: (addr line), curr-row: int, left-col: int, cursor-word: (addr word), cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
+<span id="L1172" class="LineNr">1172 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1172'>render-line-without-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _line: (addr <a href='data.mu.html#L22'>line</a>), curr-row: int, left-col: int, cursor-word: (addr <a href='data.mu.html#L30'>word</a>), cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
 <span id="L1173" class="LineNr">1173 </span>  <span class="muComment"># curr-word</span>
-<span id="L1174" class="LineNr">1174 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
-<span id="L1175" class="LineNr">1175 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
-<span id="L1176" class="LineNr">1176 </span>  <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
-<span id="L1177" class="LineNr">1177 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">esi</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _curr-word
+<span id="L1174" class="LineNr">1174 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L22'>line</a>/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> copy _line
+<span id="L1175" class="LineNr">1175 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L22'>line</a>, data
+<span id="L1176" class="LineNr">1176 </span>  <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
+<span id="L1177" class="LineNr">1177 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> copy _curr-word
 <span id="L1178" class="LineNr">1178 </span>  <span class="muComment">#</span>
 <span id="L1179" class="LineNr">1179 </span>  <span class="muComment"># loop-carried dependency</span>
 <span id="L1180" class="LineNr">1180 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
@@ -1251,9 +1251,9 @@ if ('onhashchange' in window) {
 <span id="L1191" class="LineNr">1191 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
 <span id="L1192" class="LineNr">1192 </span>    <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1193" class="LineNr">1193 </span>    <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, curr-col
-<span id="L1194" class="LineNr">1194 </span>    print-word <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
+<span id="L1194" class="LineNr">1194 </span>    <a href='word.mu.html#L254'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
 <span id="L1195" class="LineNr">1195 </span>    <span class="Delimiter">{</span>
-<span id="L1196" class="LineNr">1196 </span>      <span class="PreProc">var</span> max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length curr-word
+<span id="L1196" class="LineNr">1196 </span>      <span class="PreProc">var</span> max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L107'>word-length</a> curr-word
 <span id="L1197" class="LineNr">1197 </span>      curr-col <span class="SpecialChar">&lt;-</span> add max-width
 <span id="L1198" class="LineNr">1198 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
 <span id="L1199" class="LineNr">1199 </span>    <span class="Delimiter">}</span>
@@ -1279,50 +1279,50 @@ if ('onhashchange' in window) {
 <span id="L1219" class="LineNr">1219 </span>      copy-to *dest, src
 <span id="L1220" class="LineNr">1220 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
 <span id="L1221" class="LineNr">1221 </span>      copy-to *dest, old-col
-<span id="L1222" class="LineNr">1222 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index curr-word
+<span id="L1222" class="LineNr">1222 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L215'>cursor-index</a> curr-word
 <span id="L1223" class="LineNr">1223 </span>      add-to *dest, cursor-index-in-word
 <span id="L1224" class="LineNr">1224 </span>    <span class="Delimiter">}</span>
 <span id="L1225" class="LineNr">1225 </span>    <span class="muComment"># loop update</span>
-<span id="L1226" class="LineNr">1226 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
-<span id="L1227" class="LineNr">1227 </span>    <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L1226" class="LineNr">1226 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
+<span id="L1227" class="LineNr">1227 </span>    <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
 <span id="L1228" class="LineNr">1228 </span>    curr-word <span class="SpecialChar">&lt;-</span> copy _curr-word
 <span id="L1229" class="LineNr">1229 </span>    <span class="PreProc">loop</span>
 <span id="L1230" class="LineNr">1230 </span>  <span class="Delimiter">}</span>
 <span id="L1231" class="LineNr">1231 </span><span class="Delimiter">}</span>
 <span id="L1232" class="LineNr">1232 </span>
-<span id="L1233" class="LineNr">1233 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1233'>call-depth-at-cursor</a></span> _sandbox: (addr sandbox)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L1234" class="LineNr">1234 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1235" class="LineNr">1235 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L1236" class="LineNr">1236 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1241'>call-path-element-length</a> cursor-call-path
-<span id="L1237" class="LineNr">1237 </span>  result <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># input-row - 1</span>
-<span id="L1238" class="LineNr">1238 </span>  <span class="PreProc">return</span> result
+<span id="L1233" class="LineNr">1233 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1233'>call-depth-at-cursor</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L1234" class="LineNr">1234 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L1'>sandbox</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1235" class="LineNr">1235 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">edi</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L1'>sandbox</a>, cursor-call-path
+<span id="L1236" class="LineNr">1236 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L70'>result</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1241'>call-path-element-length</a> cursor-call-path
+<span id="L1237" class="LineNr">1237 </span>  <a href='data.mu.html#L70'>result</a> <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># input-row - 1</span>
+<span id="L1238" class="LineNr">1238 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
 <span id="L1239" class="LineNr">1239 </span><span class="Delimiter">}</span>
 <span id="L1240" class="LineNr">1240 </span>
-<span id="L1241" class="LineNr">1241 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1241'>call-path-element-length</a></span> _x: (addr handle call-path-element)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L1242" class="LineNr">1242 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> copy _x
-<span id="L1243" class="LineNr">1243 </span>  <span class="PreProc">var</span> result/<span class="Constant">edi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L1241" class="LineNr">1241 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1241'>call-path-element-length</a></span> _x: (addr handle <a href='data.mu.html#L65'>call-path-element</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L1242" class="LineNr">1242 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> copy _x
+<span id="L1243" class="LineNr">1243 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L70'>result</a>/<span class="Constant">edi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L1244" class="LineNr">1244 </span>  <span class="Delimiter">{</span>
-<span id="L1245" class="LineNr">1245 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
+<span id="L1245" class="LineNr">1245 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L65'>call-path-element</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
 <span id="L1246" class="LineNr">1246 </span>    compare curr, <span class="Constant">0</span>
 <span id="L1247" class="LineNr">1247 </span>    <span class="PreProc">break-if-=</span>
 <span id="L1248" class="LineNr">1248 </span>    curr-ah <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
-<span id="L1249" class="LineNr">1249 </span>    result <span class="SpecialChar">&lt;-</span> increment
+<span id="L1249" class="LineNr">1249 </span>    <a href='data.mu.html#L70'>result</a> <span class="SpecialChar">&lt;-</span> increment
 <span id="L1250" class="LineNr">1250 </span>    <span class="PreProc">loop</span>
 <span id="L1251" class="LineNr">1251 </span>  <span class="Delimiter">}</span>
-<span id="L1252" class="LineNr">1252 </span>  <span class="PreProc">return</span> result
+<span id="L1252" class="LineNr">1252 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
 <span id="L1253" class="LineNr">1253 </span><span class="Delimiter">}</span>
 <span id="L1254" class="LineNr">1254 </span>
 <span id="L1255" class="LineNr">1255 </span><span class="muComment"># Render the line of words in line, along with the state of the stack under each word.</span>
 <span id="L1256" class="LineNr">1256 </span><span class="muComment"># Also render any expanded function calls using recursive calls.</span>
 <span id="L1257" class="LineNr">1257 </span><span class="muComment">#</span>
 <span id="L1258" class="LineNr">1258 </span><span class="muComment"># Along the way, compute the column the cursor should be positioned at (cursor-col-addr).</span>
-<span id="L1259" class="LineNr">1259 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1259'>render-line</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), first-line: (addr line), _line: (addr line), expanded-words: (addr handle call-path), top-row: int, left-col: int, curr-path: (addr handle call-path-element), cursor-word: (addr word), cursor-call-path: (addr handle call-path-element), cursor-row-addr: (addr int), cursor-col-addr: (addr int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L1259" class="LineNr">1259 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1259'>render-line</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle <a href='data.mu.html#L14'>function</a>), bindings: (addr <a href='data.mu.html#L47'>table</a>), first-line: (addr <a href='data.mu.html#L22'>line</a>), _line: (addr <a href='data.mu.html#L22'>line</a>), expanded-words: (addr handle <a href='data.mu.html#L59'>call-path</a>), top-row: int, left-col: int, curr-path: (addr handle <a href='data.mu.html#L65'>call-path-element</a>), cursor-word: (addr <a href='data.mu.html#L30'>word</a>), cursor-call-path: (addr handle <a href='data.mu.html#L65'>call-path-element</a>), cursor-row-addr: (addr int), cursor-col-addr: (addr int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
 <span id="L1260" class="LineNr">1260 </span><span class="CommentedCode">#?   print-string 0, &quot;render-line\n&quot;</span>
 <span id="L1261" class="LineNr">1261 </span><span class="CommentedCode">#?   dump-table bindings</span>
 <span id="L1262" class="LineNr">1262 </span>  <span class="muComment"># curr-word</span>
-<span id="L1263" class="LineNr">1263 </span>  <span class="PreProc">var</span> line/<span class="Constant">esi</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
-<span id="L1264" class="LineNr">1264 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
-<span id="L1265" class="LineNr">1265 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
+<span id="L1263" class="LineNr">1263 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L22'>line</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> copy _line
+<span id="L1264" class="LineNr">1264 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='data.mu.html#L22'>line</a>, data
+<span id="L1265" class="LineNr">1265 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
 <span id="L1266" class="LineNr">1266 </span>  <span class="muComment">#</span>
 <span id="L1267" class="LineNr">1267 </span>  <span class="muComment"># loop-carried dependency</span>
 <span id="L1268" class="LineNr">1268 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
@@ -1337,62 +1337,62 @@ if ('onhashchange' in window) {
 <span id="L1277" class="LineNr">1277 </span>    $render-line:subsidiary: <span class="Delimiter">{</span>
 <span id="L1278" class="LineNr">1278 </span>      <span class="Delimiter">{</span>
 <span id="L1279" class="LineNr">1279 </span><span class="CommentedCode">#?         print-string 0, &quot;check sub\n&quot;</span>
-<span id="L1280" class="LineNr">1280 </span>        <span class="PreProc">var</span> display-subsidiary-stack?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, curr-path
+<span id="L1280" class="LineNr">1280 </span>        <span class="PreProc">var</span> display-subsidiary-stack?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L447'>find-in-call-paths</a> expanded-words, curr-path
 <span id="L1281" class="LineNr">1281 </span>        compare display-subsidiary-stack?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L1282" class="LineNr">1282 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
 <span id="L1283" class="LineNr">1283 </span>      <span class="Delimiter">}</span>
 <span id="L1284" class="LineNr">1284 </span><span class="CommentedCode">#?       print-string 0, &quot;render subsidiary stack\n&quot;</span>
 <span id="L1285" class="LineNr">1285 </span>      <span class="muComment"># does function exist?</span>
-<span id="L1286" class="LineNr">1286 </span>      <span class="PreProc">var</span> <a href='environment.mu.html#L1385'>callee</a>/<span class="Constant">edi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L1286" class="LineNr">1286 </span>      <span class="PreProc">var</span> <a href='environment.mu.html#L1385'>callee</a>/<span class="Constant">edi</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L1287" class="LineNr">1287 </span>      <span class="Delimiter">{</span>
-<span id="L1288" class="LineNr">1288 </span>        <span class="PreProc">var</span> callee-h: (handle function)
-<span id="L1289" class="LineNr">1289 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address callee-h
+<span id="L1288" class="LineNr">1288 </span>        <span class="PreProc">var</span> callee-h: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L1289" class="LineNr">1289 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> address callee-h
 <span id="L1290" class="LineNr">1290 </span>        <a href='environment.mu.html#L1385'>callee</a> functions, curr-word, callee-ah
-<span id="L1291" class="LineNr">1291 </span>        <span class="PreProc">var</span> _callee/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
+<span id="L1291" class="LineNr">1291 </span>        <span class="PreProc">var</span> _callee/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
 <span id="L1292" class="LineNr">1292 </span>        <a href='environment.mu.html#L1385'>callee</a> <span class="SpecialChar">&lt;-</span> copy _callee
 <span id="L1293" class="LineNr">1293 </span>        compare <a href='environment.mu.html#L1385'>callee</a>, <span class="Constant">0</span>
 <span id="L1294" class="LineNr">1294 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
 <span id="L1295" class="LineNr">1295 </span>      <span class="Delimiter">}</span>
 <span id="L1296" class="LineNr">1296 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
 <span id="L1297" class="LineNr">1297 </span>      <a href='../../405screen.mu.html#L508'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">8</span>, <span class="Constant">7</span>
-<span id="L1298" class="LineNr">1298 </span>      print-word <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
+<span id="L1298" class="LineNr">1298 </span>      <a href='word.mu.html#L254'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
 <span id="L1299" class="LineNr">1299 </span>      <span class="Delimiter">{</span>
-<span id="L1300" class="LineNr">1300 </span>        <span class="PreProc">var</span> word-len/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length curr-word
+<span id="L1300" class="LineNr">1300 </span>        <span class="PreProc">var</span> word-len/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L107'>word-length</a> curr-word
 <span id="L1301" class="LineNr">1301 </span>        curr-col <span class="SpecialChar">&lt;-</span> add word-len
 <span id="L1302" class="LineNr">1302 </span>        curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
 <span id="L1303" class="LineNr">1303 </span>        increment top-row
 <span id="L1304" class="LineNr">1304 </span>      <span class="Delimiter">}</span>
 <span id="L1305" class="LineNr">1305 </span>      <span class="muComment"># obtain stack at call site</span>
-<span id="L1306" class="LineNr">1306 </span>      <span class="PreProc">var</span> stack-storage: value-stack
-<span id="L1307" class="LineNr">1307 </span>      <span class="PreProc">var</span> stack/<span class="Constant">edx</span>: (addr value-stack) <span class="SpecialChar">&lt;-</span> address stack-storage
-<span id="L1308" class="LineNr">1308 </span>      initialize-value-stack stack, <span class="Constant">0x10</span>
+<span id="L1306" class="LineNr">1306 </span>      <span class="PreProc">var</span> stack-storage: <a href='value-stack.mu.html#L3'>value-stack</a>
+<span id="L1307" class="LineNr">1307 </span>      <span class="PreProc">var</span> stack/<span class="Constant">edx</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar">&lt;-</span> address stack-storage
+<span id="L1308" class="LineNr">1308 </span>      <a href='value-stack.mu.html#L8'>initialize-value-stack</a> stack, <span class="Constant">0x10</span>
 <span id="L1309" class="LineNr">1309 </span>      <span class="Delimiter">{</span>
-<span id="L1310" class="LineNr">1310 </span>        <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, prev
-<span id="L1311" class="LineNr">1311 </span>        <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L1310" class="LineNr">1310 </span>        <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, prev
+<span id="L1311" class="LineNr">1311 </span>        <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
 <span id="L1312" class="LineNr">1312 </span>        compare prev-word, <span class="Constant">0</span>
 <span id="L1313" class="LineNr">1313 </span>        <span class="PreProc">break-if-=</span>
-<span id="L1314" class="LineNr">1314 </span>        <span class="PreProc">var</span> bindings2-storage: table
-<span id="L1315" class="LineNr">1315 </span>        <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings2-storage
-<span id="L1316" class="LineNr">1316 </span>        deep-copy-table bindings, bindings2
-<span id="L1317" class="LineNr">1317 </span>        evaluate functions, bindings2, first-line, prev-word, stack
+<span id="L1314" class="LineNr">1314 </span>        <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1315" class="LineNr">1315 </span>        <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr <a href='data.mu.html#L47'>table</a>) <span class="SpecialChar">&lt;-</span> address bindings2-storage
+<span id="L1316" class="LineNr">1316 </span>        <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
+<span id="L1317" class="LineNr">1317 </span>        <a href='rpn.mu.html#L1'>evaluate</a> functions, bindings2, first-line, prev-word, stack
 <span id="L1318" class="LineNr">1318 </span>      <span class="Delimiter">}</span>
 <span id="L1319" class="LineNr">1319 </span>      <span class="muComment"># construct new bindings</span>
-<span id="L1320" class="LineNr">1320 </span>      <span class="PreProc">var</span> callee-bindings-storage: table
-<span id="L1321" class="LineNr">1321 </span>      <span class="PreProc">var</span> callee-bindings/<span class="Constant">esi</span>: (addr table) <span class="SpecialChar">&lt;-</span> address callee-bindings-storage
-<span id="L1322" class="LineNr">1322 </span>      initialize-table callee-bindings, <span class="Constant">0x10</span>
-<span id="L1323" class="LineNr">1323 </span>      bind-args <a href='environment.mu.html#L1385'>callee</a>, stack, callee-bindings
+<span id="L1320" class="LineNr">1320 </span>      <span class="PreProc">var</span> callee-bindings-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1321" class="LineNr">1321 </span>      <span class="PreProc">var</span> callee-bindings/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L47'>table</a>) <span class="SpecialChar">&lt;-</span> address callee-bindings-storage
+<span id="L1322" class="LineNr">1322 </span>      <a href='table.mu.html#L1'>initialize-table</a> callee-bindings, <span class="Constant">0x10</span>
+<span id="L1323" class="LineNr">1323 </span>      <a href='rpn.mu.html#L803'>bind-args</a> <a href='environment.mu.html#L1385'>callee</a>, stack, callee-bindings
 <span id="L1324" class="LineNr">1324 </span>      <span class="muComment"># obtain body</span>
-<span id="L1325" class="LineNr">1325 </span>      <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1385'>callee</a>, body
-<span id="L1326" class="LineNr">1326 </span>      <span class="PreProc">var</span> callee-body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-body-ah
-<span id="L1327" class="LineNr">1327 </span>      <span class="PreProc">var</span> callee-body-first-word/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> callee-body, data
+<span id="L1325" class="LineNr">1325 </span>      <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1385'>callee</a>, body
+<span id="L1326" class="LineNr">1326 </span>      <span class="PreProc">var</span> callee-body/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-body-ah
+<span id="L1327" class="LineNr">1327 </span>      <span class="PreProc">var</span> callee-body-first-word/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> callee-body, data
 <span id="L1328" class="LineNr">1328 </span>      <span class="muComment"># - render subsidiary stack</span>
-<span id="L1329" class="LineNr">1329 </span>      push-to-call-path-element curr-path, callee-body-first-word  <span class="muComment"># leak</span>
+<span id="L1329" class="LineNr">1329 </span>      <a href='data.mu.html#L635'>push-to-call-path-element</a> curr-path, callee-body-first-word  <span class="muComment"># leak</span>
 <span id="L1330" class="LineNr">1330 </span><span class="CommentedCode">#?       print-string 0, &quot;subsidiary {\n&quot;</span>
 <span id="L1331" class="LineNr">1331 </span><span class="CommentedCode">#?       dump-table callee-bindings</span>
 <span id="L1332" class="LineNr">1332 </span><span class="CommentedCode">#?       syscall_exit</span>
 <span id="L1333" class="LineNr">1333 </span>      curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1259'>render-line</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, callee-bindings, callee-body, callee-body, expanded-words, top-row, curr-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
 <span id="L1334" class="LineNr">1334 </span><span class="CommentedCode">#?       print-string 0, &quot;}\n&quot;</span>
-<span id="L1335" class="LineNr">1335 </span>      drop-from-call-path-element curr-path
+<span id="L1335" class="LineNr">1335 </span>      <a href='data.mu.html#L650'>drop-from-call-path-element</a> curr-path
 <span id="L1336" class="LineNr">1336 </span>      <span class="muComment">#</span>
 <span id="L1337" class="LineNr">1337 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
 <span id="L1338" class="LineNr">1338 </span>      <a href='../../405screen.mu.html#L431'>print-code-point</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x21d7</span>  <span class="muComment"># ⇗</span>
@@ -1402,18 +1402,18 @@ if ('onhashchange' in window) {
 <span id="L1342" class="LineNr">1342 </span>    <span class="Delimiter">}</span>
 <span id="L1343" class="LineNr">1343 </span>    <span class="muComment"># render main column</span>
 <span id="L1344" class="LineNr">1344 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
-<span id="L1345" class="LineNr">1345 </span>    <span class="PreProc">var</span> bindings2-storage: table
-<span id="L1346" class="LineNr">1346 </span>    <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings2-storage
+<span id="L1345" class="LineNr">1345 </span>    <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1346" class="LineNr">1346 </span>    <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr <a href='data.mu.html#L47'>table</a>) <span class="SpecialChar">&lt;-</span> address bindings2-storage
 <span id="L1347" class="LineNr">1347 </span><span class="CommentedCode">#?     print-string 0, &quot;deep-copy {\n&quot;</span>
-<span id="L1348" class="LineNr">1348 </span>    deep-copy-table bindings, bindings2
+<span id="L1348" class="LineNr">1348 </span>    <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
 <span id="L1349" class="LineNr">1349 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
 <span id="L1350" class="LineNr">1350 </span><span class="CommentedCode">#?     print-string 0, &quot;render column {\n&quot;</span>
-<span id="L1351" class="LineNr">1351 </span>    curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1397'>render-column</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings2, first-line, line, curr-word, top-row, curr-col
+<span id="L1351" class="LineNr">1351 </span>    curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1397'>render-column</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings2, first-line, <a href='data.mu.html#L22'>line</a>, curr-word, top-row, curr-col
 <span id="L1352" class="LineNr">1352 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
 <span id="L1353" class="LineNr">1353 </span>    <span class="muComment"># cache cursor column if necessary</span>
 <span id="L1354" class="LineNr">1354 </span>    $render-line:cache-cursor-column: <span class="Delimiter">{</span>
 <span id="L1355" class="LineNr">1355 </span>      <span class="Delimiter">{</span>
-<span id="L1356" class="LineNr">1356 </span>        <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> call-path-element-match? curr-path, cursor-call-path
+<span id="L1356" class="LineNr">1356 </span>        <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L468'>call-path-element-match?</a> curr-path, cursor-call-path
 <span id="L1357" class="LineNr">1357 </span>        compare found?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L1358" class="LineNr">1358 </span>        <span class="PreProc">break-if-=</span> $render-line:cache-cursor-column
 <span id="L1359" class="LineNr">1359 </span>      <span class="Delimiter">}</span>
@@ -1424,29 +1424,29 @@ if ('onhashchange' in window) {
 <span id="L1364" class="LineNr">1364 </span>      <span class="Delimiter">}</span>
 <span id="L1365" class="LineNr">1365 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
 <span id="L1366" class="LineNr">1366 </span>      copy-to *dest, old-col
-<span id="L1367" class="LineNr">1367 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index curr-word
+<span id="L1367" class="LineNr">1367 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L215'>cursor-index</a> curr-word
 <span id="L1368" class="LineNr">1368 </span>      add-to *dest, cursor-index-in-word
 <span id="L1369" class="LineNr">1369 </span>    <span class="Delimiter">}</span>
 <span id="L1370" class="LineNr">1370 </span>    <span class="muComment"># loop update</span>
 <span id="L1371" class="LineNr">1371 </span><span class="CommentedCode">#?     print-string 0, &quot;next word\n&quot;</span>
-<span id="L1372" class="LineNr">1372 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
+<span id="L1372" class="LineNr">1372 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
 <span id="L1373" class="LineNr">1373 </span>    curr-word <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
 <span id="L1374" class="LineNr">1374 </span><span class="CommentedCode">#?     {</span>
 <span id="L1375" class="LineNr">1375 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
 <span id="L1376" class="LineNr">1376 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
 <span id="L1377" class="LineNr">1377 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
 <span id="L1378" class="LineNr">1378 </span><span class="CommentedCode">#?     }</span>
-<span id="L1379" class="LineNr">1379 </span>    increment-final-element curr-path
+<span id="L1379" class="LineNr">1379 </span>    <a href='data.mu.html#L573'>increment-final-element</a> curr-path
 <span id="L1380" class="LineNr">1380 </span>    <span class="PreProc">loop</span>
 <span id="L1381" class="LineNr">1381 </span>  <span class="Delimiter">}</span>
 <span id="L1382" class="LineNr">1382 </span>  <span class="PreProc">return</span> curr-col
 <span id="L1383" class="LineNr">1383 </span><span class="Delimiter">}</span>
 <span id="L1384" class="LineNr">1384 </span>
-<span id="L1385" class="LineNr">1385 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1385'>callee</a></span> functions: (addr handle function), word: (addr word), out: (addr handle function) <span class="Delimiter">{</span>
+<span id="L1385" class="LineNr">1385 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1385'>callee</a></span> functions: (addr handle <a href='data.mu.html#L14'>function</a>), <a href='data.mu.html#L30'>word</a>: (addr <a href='data.mu.html#L30'>word</a>), out: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="Delimiter">{</span>
 <span id="L1386" class="LineNr">1386 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x10</span>)
 <span id="L1387" class="LineNr">1387 </span>  <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address stream-storage
-<span id="L1388" class="LineNr">1388 </span>  emit-word word, stream
-<span id="L1389" class="LineNr">1389 </span>  find-function functions, stream, out
+<span id="L1388" class="LineNr">1388 </span>  <a href='word.mu.html#L502'>emit-word</a> <a href='data.mu.html#L30'>word</a>, stream
+<span id="L1389" class="LineNr">1389 </span>  <a href='rpn.mu.html#L749'>find-function</a> functions, stream, out
 <span id="L1390" class="LineNr">1390 </span><span class="Delimiter">}</span>
 <span id="L1391" class="LineNr">1391 </span>
 <span id="L1392" class="LineNr">1392 </span><span class="muComment"># Render:</span>
@@ -1454,42 +1454,42 @@ if ('onhashchange' in window) {
 <span id="L1394" class="LineNr">1394 </span><span class="muComment">#   - starting somewhere below at left-col: the stack result from interpreting first-world to final-word (inclusive)</span>
 <span id="L1395" class="LineNr">1395 </span><span class="muComment">#</span>
 <span id="L1396" class="LineNr">1396 </span><span class="muComment"># Return the farthest column written.</span>
-<span id="L1397" class="LineNr">1397 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1397'>render-column</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), first-line: (addr line), line: (addr line), final-word: (addr word), top-row: int, left-col: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L1397" class="LineNr">1397 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1397'>render-column</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle <a href='data.mu.html#L14'>function</a>), bindings: (addr <a href='data.mu.html#L47'>table</a>), first-line: (addr <a href='data.mu.html#L22'>line</a>), <a href='data.mu.html#L22'>line</a>: (addr <a href='data.mu.html#L22'>line</a>), <a href='word.mu.html#L130'>final-word</a>: (addr <a href='data.mu.html#L30'>word</a>), top-row: int, left-col: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
 <span id="L1398" class="LineNr">1398 </span><span class="CommentedCode">#?   print-string 0, &quot;render-column\n&quot;</span>
 <span id="L1399" class="LineNr">1399 </span><span class="CommentedCode">#?   dump-table bindings</span>
 <span id="L1400" class="LineNr">1400 </span>  <span class="PreProc">var</span> max-width/<span class="Constant">esi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
 <span id="L1401" class="LineNr">1401 </span>  <span class="Delimiter">{</span>
 <span id="L1402" class="LineNr">1402 </span>    <span class="muComment"># compute stack</span>
-<span id="L1403" class="LineNr">1403 </span>    <span class="PreProc">var</span> stack: value-stack
-<span id="L1404" class="LineNr">1404 </span>    <span class="PreProc">var</span> stack-addr/<span class="Constant">edi</span>: (addr value-stack) <span class="SpecialChar">&lt;-</span> address stack
-<span id="L1405" class="LineNr">1405 </span>    initialize-value-stack stack-addr, <span class="Constant">0x10</span>  <span class="muComment"># max-words</span>
+<span id="L1403" class="LineNr">1403 </span>    <span class="PreProc">var</span> stack: <a href='value-stack.mu.html#L3'>value-stack</a>
+<span id="L1404" class="LineNr">1404 </span>    <span class="PreProc">var</span> stack-addr/<span class="Constant">edi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar">&lt;-</span> address stack
+<span id="L1405" class="LineNr">1405 </span>    <a href='value-stack.mu.html#L8'>initialize-value-stack</a> stack-addr, <span class="Constant">0x10</span>  <span class="muComment"># max-words</span>
 <span id="L1406" class="LineNr">1406 </span>    <span class="muComment"># copy bindings</span>
-<span id="L1407" class="LineNr">1407 </span>    <span class="PreProc">var</span> bindings2-storage: table
-<span id="L1408" class="LineNr">1408 </span>    <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings2-storage
+<span id="L1407" class="LineNr">1407 </span>    <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1408" class="LineNr">1408 </span>    <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr <a href='data.mu.html#L47'>table</a>) <span class="SpecialChar">&lt;-</span> address bindings2-storage
 <span id="L1409" class="LineNr">1409 </span><span class="CommentedCode">#?     print-string 0, &quot;deep copy table {\n&quot;</span>
-<span id="L1410" class="LineNr">1410 </span>    deep-copy-table bindings, bindings2
+<span id="L1410" class="LineNr">1410 </span>    <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
 <span id="L1411" class="LineNr">1411 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
-<span id="L1412" class="LineNr">1412 </span>    evaluate functions, bindings2, first-line, final-word, stack-addr
+<span id="L1412" class="LineNr">1412 </span>    <a href='rpn.mu.html#L1'>evaluate</a> functions, bindings2, first-line, <a href='word.mu.html#L130'>final-word</a>, stack-addr
 <span id="L1413" class="LineNr">1413 </span>    <span class="muComment"># indent stack</span>
 <span id="L1414" class="LineNr">1414 </span>    <span class="PreProc">var</span> indented-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
 <span id="L1415" class="LineNr">1415 </span>    indented-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
 <span id="L1416" class="LineNr">1416 </span>    <span class="muComment"># render stack</span>
 <span id="L1417" class="LineNr">1417 </span>    <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
 <span id="L1418" class="LineNr">1418 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># stack-margin-top</span>
-<span id="L1419" class="LineNr">1419 </span>    <span class="PreProc">var</span> _max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> value-stack-max-width stack-addr
+<span id="L1419" class="LineNr">1419 </span>    <span class="PreProc">var</span> _max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='value-stack.mu.html#L123'>value-stack-max-width</a> stack-addr
 <span id="L1420" class="LineNr">1420 </span>    max-width <span class="SpecialChar">&lt;-</span> copy _max-width
 <span id="L1421" class="LineNr">1421 </span>    <span class="Delimiter">{</span>
 <span id="L1422" class="LineNr">1422 </span>      <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> stack-addr, <a href='../../203stack.subx.html#L338'>top</a>
 <span id="L1423" class="LineNr">1423 </span>      compare *top-addr, <span class="Constant">0</span>
 <span id="L1424" class="LineNr">1424 </span>      <span class="PreProc">break-if-&lt;=</span>
 <span id="L1425" class="LineNr">1425 </span>      decrement *top-addr
-<span id="L1426" class="LineNr">1426 </span>      <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array value) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> stack-addr, data
-<span id="L1427" class="LineNr">1427 </span>      <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L1426" class="LineNr">1426 </span>      <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='data.mu.html#L37'>value</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> stack-addr, data
+<span id="L1427" class="LineNr">1427 </span>      <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='data.mu.html#L37'>value</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
 <span id="L1428" class="LineNr">1428 </span>      <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
-<span id="L1429" class="LineNr">1429 </span>      <span class="PreProc">var</span> dest-offset/<span class="Constant">ecx</span>: (offset value) <span class="SpecialChar">&lt;-</span> compute-offset data, <a href='../../203stack.subx.html#L338'>top</a>
-<span id="L1430" class="LineNr">1430 </span>      <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr value) <span class="SpecialChar">&lt;-</span> index data, dest-offset
-<span id="L1431" class="LineNr">1431 </span>      render-value-at <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, indented-col, val, max-width
-<span id="L1432" class="LineNr">1432 </span>      <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> value-height val
+<span id="L1429" class="LineNr">1429 </span>      <span class="PreProc">var</span> dest-offset/<span class="Constant">ecx</span>: (offset <a href='data.mu.html#L37'>value</a>) <span class="SpecialChar">&lt;-</span> compute-offset data, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L1430" class="LineNr">1430 </span>      <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L37'>value</a>) <span class="SpecialChar">&lt;-</span> index data, dest-offset
+<span id="L1431" class="LineNr">1431 </span>      <a href='value.mu.html#L1'>render-value-at</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, indented-col, val, max-width
+<span id="L1432" class="LineNr">1432 </span>      <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='value.mu.html#L312'>value-height</a> val
 <span id="L1433" class="LineNr">1433 </span>      curr-row <span class="SpecialChar">&lt;-</span> add height
 <span id="L1434" class="LineNr">1434 </span>      <span class="PreProc">loop</span>
 <span id="L1435" class="LineNr">1435 </span>    <span class="Delimiter">}</span>
@@ -1500,9 +1500,9 @@ if ('onhashchange' in window) {
 <span id="L1440" class="LineNr">1440 </span>  <span class="muComment"># render word, initialize result</span>
 <span id="L1441" class="LineNr">1441 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1442" class="LineNr">1442 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col
-<span id="L1443" class="LineNr">1443 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, final-word
+<span id="L1443" class="LineNr">1443 </span>  <a href='word.mu.html#L254'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='word.mu.html#L130'>final-word</a>
 <span id="L1444" class="LineNr">1444 </span>  <span class="Delimiter">{</span>
-<span id="L1445" class="LineNr">1445 </span>    <span class="PreProc">var</span> <a href='../../307size.subx.html#L5'>size</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length final-word
+<span id="L1445" class="LineNr">1445 </span>    <span class="PreProc">var</span> <a href='../../307size.subx.html#L5'>size</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L107'>word-length</a> <a href='word.mu.html#L130'>final-word</a>
 <span id="L1446" class="LineNr">1446 </span>    compare <a href='../../307size.subx.html#L5'>size</a>, max-width
 <span id="L1447" class="LineNr">1447 </span>    <span class="PreProc">break-if-&lt;=</span>
 <span id="L1448" class="LineNr">1448 </span>    max-width <span class="SpecialChar">&lt;-</span> copy <a href='../../307size.subx.html#L5'>size</a>
@@ -1528,7 +1528,7 @@ if ('onhashchange' in window) {
 <span id="L1468" class="LineNr">1468 </span>  <span class="PreProc">var</span> nrows/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, nrows
 <span id="L1469" class="LineNr">1469 </span>  <span class="PreProc">var</span> _repl-col/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, code-separator-col
 <span id="L1470" class="LineNr">1470 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
-<span id="L1471" class="LineNr">1471 </span>  draw-vertical-line <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">1</span>, *nrows, repl-col
+<span id="L1471" class="LineNr">1471 </span>  <a href='box.mu.html#L38'>draw-vertical-line</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">1</span>, *nrows, repl-col
 <span id="L1472" class="LineNr">1472 </span>  <span class="muComment"># wordstar-style cheatsheet of shortcuts</span>
 <span id="L1473" class="LineNr">1473 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, <span class="Constant">0</span>
 <span id="L1474" class="LineNr">1474 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
@@ -1545,11 +1545,11 @@ if ('onhashchange' in window) {
 <span id="L1485" class="LineNr">1485 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1486" class="LineNr">1486 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-b &quot;</span>
 <span id="L1487" class="LineNr">1487 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1488" class="LineNr">1488 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ◀ word  &quot;</span>
+<span id="L1488" class="LineNr">1488 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ◀ <a href='data.mu.html#L30'>word</a>  &quot;</span>
 <span id="L1489" class="LineNr">1489 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1490" class="LineNr">1490 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-f &quot;</span>
 <span id="L1491" class="LineNr">1491 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1492" class="LineNr">1492 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; word ▶  &quot;</span>
+<span id="L1492" class="LineNr">1492 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; <a href='data.mu.html#L30'>word</a> ▶  &quot;</span>
 <span id="L1493" class="LineNr">1493 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1494" class="LineNr">1494 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-e &quot;</span>
 <span id="L1495" class="LineNr">1495 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
@@ -1557,7 +1557,7 @@ if ('onhashchange' in window) {
 <span id="L1497" class="LineNr">1497 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1498" class="LineNr">1498 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-l &quot;</span>
 <span id="L1499" class="LineNr">1499 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1500" class="LineNr">1500 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; new line &quot;</span>
+<span id="L1500" class="LineNr">1500 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; new <a href='data.mu.html#L22'>line</a> &quot;</span>
 <span id="L1501" class="LineNr">1501 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1502" class="LineNr">1502 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-u &quot;</span>
 <span id="L1503" class="LineNr">1503 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
@@ -1565,11 +1565,11 @@ if ('onhashchange' in window) {
 <span id="L1505" class="LineNr">1505 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1506" class="LineNr">1506 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-n &quot;</span>
 <span id="L1507" class="LineNr">1507 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1508" class="LineNr">1508 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; name value  &quot;</span>
+<span id="L1508" class="LineNr">1508 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; name <a href='data.mu.html#L37'>value</a>  &quot;</span>
 <span id="L1509" class="LineNr">1509 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
 <span id="L1510" class="LineNr">1510 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-d &quot;</span>
 <span id="L1511" class="LineNr">1511 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1512" class="LineNr">1512 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; define function  &quot;</span>
+<span id="L1512" class="LineNr">1512 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; define <a href='data.mu.html#L14'>function</a>  &quot;</span>
 <span id="L1513" class="LineNr">1513 </span>  <span class="muComment"># primitives</span>
 <span id="L1514" class="LineNr">1514 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1520'>render-primitives</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, repl-col
 <span id="L1515" class="LineNr">1515 </span>  <span class="muComment"># currently defined functions</span>
@@ -1631,9 +1631,9 @@ if ('onhashchange' in window) {
 <span id="L1571" class="LineNr">1571 </span>  <span class="PreProc">var</span> row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
 <span id="L1572" class="LineNr">1572 </span>  <span class="PreProc">var</span> dummy-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
 <span id="L1573" class="LineNr">1573 </span>  <span class="PreProc">var</span> env/<span class="Constant">esi</span>: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="SpecialChar">&lt;-</span> copy _env
-<span id="L1574" class="LineNr">1574 </span>  <span class="PreProc">var</span> functions/<span class="Constant">esi</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
+<span id="L1574" class="LineNr">1574 </span>  <span class="PreProc">var</span> functions/<span class="Constant">esi</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
 <span id="L1575" class="LineNr">1575 </span>  <span class="Delimiter">{</span>
-<span id="L1576" class="LineNr">1576 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *functions
+<span id="L1576" class="LineNr">1576 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *functions
 <span id="L1577" class="LineNr">1577 </span>    compare curr, <span class="Constant">0</span>
 <span id="L1578" class="LineNr">1578 </span>    <span class="PreProc">break-if-=</span>
 <span id="L1579" class="LineNr">1579 </span>    row, dummy-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1588'>render-function-right-aligned</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, right-col, curr
@@ -1645,19 +1645,19 @@ if ('onhashchange' in window) {
 <span id="L1585" class="LineNr">1585 </span>
 <span id="L1586" class="LineNr">1586 </span><span class="muComment"># print function starting at row, right-aligned before right-col</span>
 <span id="L1587" class="LineNr">1587 </span><span class="muComment"># return row, col printed until</span>
-<span id="L1588" class="LineNr">1588 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1588'>render-function-right-aligned</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), row: int, right-col: int, f: (addr function)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int, _/<span class="Constant">edx</span>: int <span class="Delimiter">{</span>
+<span id="L1588" class="LineNr">1588 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1588'>render-function-right-aligned</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), row: int, right-col: int, f: (addr <a href='data.mu.html#L14'>function</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int, _/<span class="Constant">edx</span>: int <span class="Delimiter">{</span>
 <span id="L1589" class="LineNr">1589 </span>  <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
 <span id="L1590" class="LineNr">1590 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-right-margin</span>
 <span id="L1591" class="LineNr">1591 </span>  <span class="PreProc">var</span> col2/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy col
-<span id="L1592" class="LineNr">1592 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> function-width f
+<span id="L1592" class="LineNr">1592 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L703'>function-width</a> f
 <span id="L1593" class="LineNr">1593 </span>  col <span class="SpecialChar">&lt;-</span> subtract width
 <span id="L1594" class="LineNr">1594 </span>  <span class="PreProc">var</span> new-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy row
-<span id="L1595" class="LineNr">1595 </span>  <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> function-height f
+<span id="L1595" class="LineNr">1595 </span>  <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L741'>function-height</a> f
 <span id="L1596" class="LineNr">1596 </span>  new-row <span class="SpecialChar">&lt;-</span> add height
 <span id="L1597" class="LineNr">1597 </span>  new-row <span class="SpecialChar">&lt;-</span> decrement
 <span id="L1598" class="LineNr">1598 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-left-padding</span>
 <span id="L1599" class="LineNr">1599 </span>  <a href='../../405screen.mu.html#L508'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0xf7</span>
-<span id="L1600" class="LineNr">1600 </span>  clear-rect <a href='../../405screen.mu.html#L9'>screen</a>, row, col, new-row, col2
+<span id="L1600" class="LineNr">1600 </span>  <a href='box.mu.html#L71'>clear-rect</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, new-row, col2
 <span id="L1601" class="LineNr">1601 </span>  col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>
 <span id="L1602" class="LineNr">1602 </span><span class="CommentedCode">#?   var dummy/eax: grapheme &lt;- read-key-from-real-keyboard</span>
 <span id="L1603" class="LineNr">1603 </span>  <a href='environment.mu.html#L1613'>render-function</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, f
@@ -1670,11 +1670,11 @@ if ('onhashchange' in window) {
 <span id="L1610" class="LineNr">1610 </span>
 <span id="L1611" class="LineNr">1611 </span><span class="muComment"># render function starting at row, col</span>
 <span id="L1612" class="LineNr">1612 </span><span class="muComment"># only single-line functions supported for now</span>
-<span id="L1613" class="LineNr">1613 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1613'>render-function</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), row: int, col: int, _f: (addr function) <span class="Delimiter">{</span>
-<span id="L1614" class="LineNr">1614 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _f
-<span id="L1615" class="LineNr">1615 </span>  <span class="PreProc">var</span> args/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
+<span id="L1613" class="LineNr">1613 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1613'>render-function</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), row: int, col: int, _f: (addr <a href='data.mu.html#L14'>function</a>) <span class="Delimiter">{</span>
+<span id="L1614" class="LineNr">1614 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _f
+<span id="L1615" class="LineNr">1615 </span>  <span class="PreProc">var</span> args/<span class="Constant">ecx</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
 <span id="L1616" class="LineNr">1616 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
-<span id="L1617" class="LineNr">1617 </span>  print-words-in-reverse <a href='../../405screen.mu.html#L9'>screen</a>, args
+<span id="L1617" class="LineNr">1617 </span>  <a href='word.mu.html#L274'>print-words-in-reverse</a> <a href='../../405screen.mu.html#L9'>screen</a>, args
 <span id="L1618" class="LineNr">1618 </span>  <span class="PreProc">var</span> name-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, name
 <span id="L1619" class="LineNr">1619 </span>  <span class="PreProc">var</span> name/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *name-ah
 <span id="L1620" class="LineNr">1620 </span>  <a href='../../405screen.mu.html#L526'>start-bold</a> <a href='../../405screen.mu.html#L9'>screen</a>
@@ -1685,10 +1685,10 @@ if ('onhashchange' in window) {
 <span id="L1625" class="LineNr">1625 </span>  add-to col, <span class="Constant">2</span>
 <span id="L1626" class="LineNr">1626 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
 <span id="L1627" class="LineNr">1627 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;≡ &quot;</span>
-<span id="L1628" class="LineNr">1628 </span>  <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, body
-<span id="L1629" class="LineNr">1629 </span>  <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
-<span id="L1630" class="LineNr">1630 </span>  <span class="PreProc">var</span> body-words-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
-<span id="L1631" class="LineNr">1631 </span>  print-words <a href='../../405screen.mu.html#L9'>screen</a>, body-words-ah
+<span id="L1628" class="LineNr">1628 </span>  <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, body
+<span id="L1629" class="LineNr">1629 </span>  <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr <a href='data.mu.html#L22'>line</a>) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
+<span id="L1630" class="LineNr">1630 </span>  <span class="PreProc">var</span> body-words-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L30'>word</a>) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
+<span id="L1631" class="LineNr">1631 </span>  <a href='word.mu.html#L261'>print-words</a> <a href='../../405screen.mu.html#L9'>screen</a>, body-words-ah
 <span id="L1632" class="LineNr">1632 </span><span class="Delimiter">}</span>
 <span id="L1633" class="LineNr">1633 </span>
 <span id="L1634" class="LineNr">1634 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1634'>real-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>