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-rw-r--r--html/127next-word.subx.html648
-rw-r--r--html/315slice.subx.html74
-rw-r--r--html/400.mu.html192
-rw-r--r--html/apps/advent2020/4a.mu.html137
-rw-r--r--html/apps/advent2020/4b.mu.html376
-rw-r--r--html/apps/advent2020/5a.mu.html142
-rw-r--r--html/apps/advent2020/5b.mu.html143
-rw-r--r--html/apps/dquotes.subx.html4
-rw-r--r--html/apps/pack.subx.html22
-rw-r--r--html/apps/rpn.mu.html2
-rw-r--r--html/apps/sigils.subx.html8
-rw-r--r--html/apps/survey.subx.html10
-rw-r--r--html/apps/tests.subx.html2
-rw-r--r--html/apps/tile/environment.mu.html3310
-rw-r--r--html/apps/tile/main.mu.html30
-rw-r--r--html/apps/tile/rpn.mu.html16
16 files changed, 3033 insertions, 2083 deletions
diff --git a/html/127next-word.subx.html b/html/127next-word.subx.html
index 953edc50..caab845e 100644
--- a/html/127next-word.subx.html
+++ b/html/127next-word.subx.html
@@ -64,299 +64,361 @@ if ('onhashchange' in window) {
 <span id="L5" class="LineNr">  5 </span><span class="subxS1Comment"># . op          subop               mod             rm32          base        index         scale       r32</span>
 <span id="L6" class="LineNr">  6 </span><span class="subxS1Comment"># . 1-3 bytes   3 bits              2 bits          3 bits        3 bits      3 bits        2 bits      2 bits      0/1/2/4 bytes   0/1/2/4 bytes</span>
 <span id="L7" class="LineNr">  7 </span>
-<span id="L8" class="LineNr">  8 </span><span class="subxComment"># (re)compute the bounds of the next word in the line</span>
-<span id="L9" class="LineNr">  9 </span><span class="subxComment"># return empty string on reaching end of file</span>
-<span id="L10" class="LineNr"> 10 </span><span class="subxFunction">next-word</span>:  <span class="subxComment"># line: (addr stream byte), out: (addr slice)</span>
-<span id="L11" class="LineNr"> 11 </span>    <span class="subxS1Comment"># . prologue</span>
-<span id="L12" class="LineNr"> 12 </span>    55/push-ebp
-<span id="L13" class="LineNr"> 13 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
-<span id="L14" class="LineNr"> 14 </span>    <span class="subxS1Comment"># . save registers</span>
-<span id="L15" class="LineNr"> 15 </span>    50/push-eax
-<span id="L16" class="LineNr"> 16 </span>    51/push-ecx
-<span id="L17" class="LineNr"> 17 </span>    56/push-esi
-<span id="L18" class="LineNr"> 18 </span>    57/push-edi
-<span id="L19" class="LineNr"> 19 </span>    <span class="subxComment"># esi = line</span>
-<span id="L20" class="LineNr"> 20 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to esi</span>
-<span id="L21" class="LineNr"> 21 </span>    <span class="subxComment"># edi = out</span>
-<span id="L22" class="LineNr"> 22 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          7/r32/edi   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to edi</span>
-<span id="L23" class="LineNr"> 23 </span>    <span class="subxComment"># skip-chars-matching-whitespace(line)</span>
-<span id="L24" class="LineNr"> 24 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L25" class="LineNr"> 25 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
-<span id="L26" class="LineNr"> 26 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L27" class="LineNr"> 27 </span>    e8/call  <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a>/disp32
-<span id="L28" class="LineNr"> 28 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L29" class="LineNr"> 29 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
-<span id="L30" class="LineNr"> 30 </span><span class="Constant">$next-word:check0</span>:
-<span id="L31" class="LineNr"> 31 </span>    <span class="subxComment"># if (line-&gt;read &gt;= line-&gt;write) clear out and return</span>
-<span id="L32" class="LineNr"> 32 </span>    <span class="subxS1Comment"># . eax = line-&gt;read</span>
-<span id="L33" class="LineNr"> 33 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to eax</span>
-<span id="L34" class="LineNr"> 34 </span>    <span class="subxS1Comment"># . if (eax &lt; line-&gt;write) goto next check</span>
-<span id="L35" class="LineNr"> 35 </span>    3b/compare                      0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare eax with *esi</span>
-<span id="L36" class="LineNr"> 36 </span>    7c/jump-if-&lt;  $next-word:check-for-comment/disp8
-<span id="L37" class="LineNr"> 37 </span>    <span class="subxS1Comment"># . return out</span>
-<span id="L38" class="LineNr"> 38 </span>    c7          0/subop/copy        0/mod/direct    7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0/imm32           <span class="subxComment"># copy to *edi</span>
-<span id="L39" class="LineNr"> 39 </span>    c7          0/subop/copy        1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          4/disp8         0/imm32           <span class="subxComment"># copy to *(edi+4)</span>
-<span id="L40" class="LineNr"> 40 </span>    eb/jump  $next-word:end/disp8
-<span id="L41" class="LineNr"> 41 </span><span class="Constant">$next-word:check-for-comment</span>:
-<span id="L42" class="LineNr"> 42 </span>    <span class="subxComment"># out-&gt;start = &amp;line-&gt;data[line-&gt;read]</span>
-<span id="L43" class="LineNr"> 43 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to ecx</span>
-<span id="L44" class="LineNr"> 44 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+ecx+12 to eax</span>
-<span id="L45" class="LineNr"> 45 </span>    89/copy                         0/mod/indirect  7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *edi</span>
-<span id="L46" class="LineNr"> 46 </span>    <span class="subxComment"># if (line-&gt;data[line-&gt;read] == '#') out-&gt;end = &amp;line-&gt;data[line-&gt;write]), skip rest of stream and return</span>
-<span id="L47" class="LineNr"> 47 </span>    <span class="subxS1Comment"># . eax = line-&gt;data[line-&gt;read]</span>
-<span id="L48" class="LineNr"> 48 </span>    31/xor                          3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># clear eax</span>
-<span id="L49" class="LineNr"> 49 </span>    8a/copy-byte                    1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/AL    0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span>
-<span id="L50" class="LineNr"> 50 </span>    <span class="subxS1Comment"># . compare</span>
-<span id="L51" class="LineNr"> 51 </span>    3d/compare-eax-and  0x23/imm32/pound
-<span id="L52" class="LineNr"> 52 </span>    75/jump-if-!=  $next-word:regular-word/disp8
-<span id="L53" class="LineNr"> 53 </span><span class="Constant">$next-word:comment</span>:
-<span id="L54" class="LineNr"> 54 </span>    <span class="subxS1Comment"># . out-&gt;end = &amp;line-&gt;data[line-&gt;write]</span>
-<span id="L55" class="LineNr"> 55 </span>    8b/copy                         0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *esi to eax</span>
-<span id="L56" class="LineNr"> 56 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  0/index/eax  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+eax+12 to eax</span>
-<span id="L57" class="LineNr"> 57 </span>    89/copy                         1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *(edi+4)</span>
-<span id="L58" class="LineNr"> 58 </span>    <span class="subxS1Comment"># . line-&gt;read = line-&gt;write</span>
-<span id="L59" class="LineNr"> 59 </span>    89/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *(esi+4)</span>
-<span id="L60" class="LineNr"> 60 </span>    <span class="subxS1Comment"># . return</span>
-<span id="L61" class="LineNr"> 61 </span>    eb/jump  $next-word:end/disp8
-<span id="L62" class="LineNr"> 62 </span><span class="Constant">$next-word:regular-word</span>:
-<span id="L63" class="LineNr"> 63 </span>    <span class="subxComment"># otherwise skip-chars-not-matching-whitespace(line)  # including trailing newline</span>
-<span id="L64" class="LineNr"> 64 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L65" class="LineNr"> 65 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
-<span id="L66" class="LineNr"> 66 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L67" class="LineNr"> 67 </span>    e8/call  <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a>/disp32
-<span id="L68" class="LineNr"> 68 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L69" class="LineNr"> 69 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
-<span id="L70" class="LineNr"> 70 </span>    <span class="subxComment"># out-&gt;end = &amp;line-&gt;data[line-&gt;read]</span>
-<span id="L71" class="LineNr"> 71 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to ecx</span>
-<span id="L72" class="LineNr"> 72 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+ecx+12 to eax</span>
-<span id="L73" class="LineNr"> 73 </span>    89/copy                         1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *(edi+4)</span>
-<span id="L74" class="LineNr"> 74 </span><span class="Constant">$next-word:end</span>:
-<span id="L75" class="LineNr"> 75 </span>    <span class="subxS1Comment"># . restore registers</span>
-<span id="L76" class="LineNr"> 76 </span>    5f/pop-to-edi
-<span id="L77" class="LineNr"> 77 </span>    5e/pop-to-esi
-<span id="L78" class="LineNr"> 78 </span>    59/pop-to-ecx
-<span id="L79" class="LineNr"> 79 </span>    58/pop-to-eax
-<span id="L80" class="LineNr"> 80 </span>    <span class="subxS1Comment"># . epilogue</span>
-<span id="L81" class="LineNr"> 81 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
-<span id="L82" class="LineNr"> 82 </span>    5d/pop-to-ebp
-<span id="L83" class="LineNr"> 83 </span>    c3/return
-<span id="L84" class="LineNr"> 84 </span>
-<span id="L85" class="LineNr"> 85 </span><span class="subxTest">test-next-word</span>:
-<span id="L86" class="LineNr"> 86 </span>    <span class="subxS1Comment"># . prologue</span>
-<span id="L87" class="LineNr"> 87 </span>    55/push-ebp
-<span id="L88" class="LineNr"> 88 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
-<span id="L89" class="LineNr"> 89 </span>    <span class="subxComment"># setup</span>
-<span id="L90" class="LineNr"> 90 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L91" class="LineNr"> 91 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L92" class="LineNr"> 92 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L93" class="LineNr"> 93 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L94" class="LineNr"> 94 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
-<span id="L95" class="LineNr"> 95 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L96" class="LineNr"> 96 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
-<span id="L97" class="LineNr"> 97 </span>    <span class="subxComment"># var slice/ecx: slice</span>
-<span id="L98" class="LineNr"> 98 </span>    68/push  0/imm32/end
-<span id="L99" class="LineNr"> 99 </span>    68/push  0/imm32/start
-<span id="L100" class="LineNr">100 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
-<span id="L101" class="LineNr">101 </span>    <span class="subxComment"># write(_test-stream, &quot;  ab&quot;)</span>
-<span id="L102" class="LineNr">102 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L103" class="LineNr">103 </span>    68/push  <span class="Constant">&quot;  ab&quot;</span>/imm32
-<span id="L104" class="LineNr">104 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L105" class="LineNr">105 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L106" class="LineNr">106 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
-<span id="L107" class="LineNr">107 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L108" class="LineNr">108 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
-<span id="L109" class="LineNr">109 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
-<span id="L110" class="LineNr">110 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L111" class="LineNr">111 </span>    51/push-ecx
-<span id="L112" class="LineNr">112 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L113" class="LineNr">113 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L114" class="LineNr">114 </span>    e8/call  <a href='127next-word.subx.html#L10'>next-word</a>/disp32
-<span id="L115" class="LineNr">115 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L116" class="LineNr">116 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
-<span id="L117" class="LineNr">117 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;start - _test-stream-&gt;data, 2, msg)</span>
-<span id="L118" class="LineNr">118 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;start - _test-stream, 14, msg)</span>
-<span id="L119" class="LineNr">119 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L120" class="LineNr">120 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L85'>test-next-word</a>: start&quot;</span>/imm32
-<span id="L121" class="LineNr">121 </span>    68/push  0xe/imm32
-<span id="L122" class="LineNr">122 </span>    <span class="subxS2Comment"># . . push slice-&gt;start - _test-stream</span>
-<span id="L123" class="LineNr">123 </span>    8b/copy                         0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *ecx to eax</span>
-<span id="L124" class="LineNr">124 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
-<span id="L125" class="LineNr">125 </span>    50/push-eax
-<span id="L126" class="LineNr">126 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L127" class="LineNr">127 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
-<span id="L128" class="LineNr">128 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L129" class="LineNr">129 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
-<span id="L130" class="LineNr">130 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - _test-stream-&gt;data, 4, msg)</span>
-<span id="L131" class="LineNr">131 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;end - _test-stream, 16, msg)</span>
-<span id="L132" class="LineNr">132 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L133" class="LineNr">133 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L85'>test-next-word</a>: end&quot;</span>/imm32
-<span id="L134" class="LineNr">134 </span>    68/push  0x10/imm32
-<span id="L135" class="LineNr">135 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - _test-stream</span>
-<span id="L136" class="LineNr">136 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
-<span id="L137" class="LineNr">137 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
-<span id="L138" class="LineNr">138 </span>    50/push-eax
-<span id="L139" class="LineNr">139 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L140" class="LineNr">140 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
-<span id="L141" class="LineNr">141 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L142" class="LineNr">142 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
-<span id="L143" class="LineNr">143 </span>    <span class="subxS1Comment"># . epilogue</span>
-<span id="L144" class="LineNr">144 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
-<span id="L145" class="LineNr">145 </span>    5d/pop-to-ebp
-<span id="L146" class="LineNr">146 </span>    c3/return
-<span id="L147" class="LineNr">147 </span>
-<span id="L148" class="LineNr">148 </span><span class="subxTest">test-next-word-returns-whole-comment</span>:
-<span id="L149" class="LineNr">149 </span>    <span class="subxS1Comment"># . prologue</span>
-<span id="L150" class="LineNr">150 </span>    55/push-ebp
-<span id="L151" class="LineNr">151 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
-<span id="L152" class="LineNr">152 </span>    <span class="subxComment"># setup</span>
-<span id="L153" class="LineNr">153 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L154" class="LineNr">154 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L155" class="LineNr">155 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L156" class="LineNr">156 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L157" class="LineNr">157 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
-<span id="L158" class="LineNr">158 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L159" class="LineNr">159 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
-<span id="L160" class="LineNr">160 </span>    <span class="subxComment"># var slice/ecx: slice</span>
-<span id="L161" class="LineNr">161 </span>    68/push  0/imm32/end
-<span id="L162" class="LineNr">162 </span>    68/push  0/imm32/start
-<span id="L163" class="LineNr">163 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
-<span id="L164" class="LineNr">164 </span>    <span class="subxComment"># write(_test-stream, &quot;  # a&quot;)</span>
-<span id="L165" class="LineNr">165 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L166" class="LineNr">166 </span>    68/push  <span class="Constant">&quot;  # a&quot;</span>/imm32
-<span id="L167" class="LineNr">167 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L168" class="LineNr">168 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L169" class="LineNr">169 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
-<span id="L170" class="LineNr">170 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L171" class="LineNr">171 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
-<span id="L172" class="LineNr">172 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
-<span id="L173" class="LineNr">173 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L174" class="LineNr">174 </span>    51/push-ecx
-<span id="L175" class="LineNr">175 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L176" class="LineNr">176 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L177" class="LineNr">177 </span>    e8/call  <a href='127next-word.subx.html#L10'>next-word</a>/disp32
-<span id="L178" class="LineNr">178 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L179" class="LineNr">179 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
-<span id="L180" class="LineNr">180 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;start - _test-stream-&gt;data, 2, msg)</span>
-<span id="L181" class="LineNr">181 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;start - _test-stream, 14, msg)</span>
-<span id="L182" class="LineNr">182 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L183" class="LineNr">183 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L148'>test-next-word-returns-whole-comment</a>: start&quot;</span>/imm32
-<span id="L184" class="LineNr">184 </span>    68/push  0xe/imm32
-<span id="L185" class="LineNr">185 </span>    <span class="subxS2Comment"># . . push slice-&gt;start - _test-stream</span>
-<span id="L186" class="LineNr">186 </span>    8b/copy                         0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *ecx to eax</span>
-<span id="L187" class="LineNr">187 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
-<span id="L188" class="LineNr">188 </span>    50/push-eax
-<span id="L189" class="LineNr">189 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L190" class="LineNr">190 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
-<span id="L191" class="LineNr">191 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L192" class="LineNr">192 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
-<span id="L193" class="LineNr">193 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - _test-stream-&gt;data, 5, msg)</span>
-<span id="L194" class="LineNr">194 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;end - _test-stream, 17, msg)</span>
-<span id="L195" class="LineNr">195 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L196" class="LineNr">196 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L148'>test-next-word-returns-whole-comment</a>: end&quot;</span>/imm32
-<span id="L197" class="LineNr">197 </span>    68/push  0x11/imm32
-<span id="L198" class="LineNr">198 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - _test-stream</span>
-<span id="L199" class="LineNr">199 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
-<span id="L200" class="LineNr">200 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
-<span id="L201" class="LineNr">201 </span>    50/push-eax
-<span id="L202" class="LineNr">202 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L203" class="LineNr">203 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
-<span id="L204" class="LineNr">204 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L205" class="LineNr">205 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
-<span id="L206" class="LineNr">206 </span>    <span class="subxS1Comment"># . epilogue</span>
-<span id="L207" class="LineNr">207 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
-<span id="L208" class="LineNr">208 </span>    5d/pop-to-ebp
-<span id="L209" class="LineNr">209 </span>    c3/return
-<span id="L210" class="LineNr">210 </span>
-<span id="L211" class="LineNr">211 </span><span class="subxTest">test-next-word-returns-empty-string-on-eof</span>:
-<span id="L212" class="LineNr">212 </span>    <span class="subxS1Comment"># . prologue</span>
-<span id="L213" class="LineNr">213 </span>    55/push-ebp
-<span id="L214" class="LineNr">214 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
-<span id="L215" class="LineNr">215 </span>    <span class="subxComment"># setup</span>
-<span id="L216" class="LineNr">216 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L217" class="LineNr">217 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L218" class="LineNr">218 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L219" class="LineNr">219 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L220" class="LineNr">220 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
-<span id="L221" class="LineNr">221 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L222" class="LineNr">222 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
-<span id="L223" class="LineNr">223 </span>    <span class="subxComment"># var slice/ecx: slice</span>
-<span id="L224" class="LineNr">224 </span>    68/push  0/imm32/end
-<span id="L225" class="LineNr">225 </span>    68/push  0/imm32/start
-<span id="L226" class="LineNr">226 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
-<span id="L227" class="LineNr">227 </span>    <span class="subxComment"># write nothing to _test-stream</span>
-<span id="L228" class="LineNr">228 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
-<span id="L229" class="LineNr">229 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L230" class="LineNr">230 </span>    51/push-ecx
-<span id="L231" class="LineNr">231 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L232" class="LineNr">232 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L233" class="LineNr">233 </span>    e8/call  <a href='127next-word.subx.html#L10'>next-word</a>/disp32
-<span id="L234" class="LineNr">234 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L235" class="LineNr">235 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
-<span id="L236" class="LineNr">236 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - slice-&gt;start, 0, msg)</span>
-<span id="L237" class="LineNr">237 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L238" class="LineNr">238 </span>    68/push  <span class="Constant">&quot;F - test-next-word-returns-empty-string-on-eof&quot;</span>/imm32
-<span id="L239" class="LineNr">239 </span>    68/push  0/imm32
-<span id="L240" class="LineNr">240 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - slice-&gt;start</span>
-<span id="L241" class="LineNr">241 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
-<span id="L242" class="LineNr">242 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
-<span id="L243" class="LineNr">243 </span>    50/push-eax
-<span id="L244" class="LineNr">244 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L245" class="LineNr">245 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
-<span id="L246" class="LineNr">246 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L247" class="LineNr">247 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
-<span id="L248" class="LineNr">248 </span>    <span class="subxS1Comment"># . epilogue</span>
-<span id="L249" class="LineNr">249 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
-<span id="L250" class="LineNr">250 </span>    5d/pop-to-ebp
-<span id="L251" class="LineNr">251 </span>    c3/return
-<span id="L252" class="LineNr">252 </span>
-<span id="L253" class="LineNr">253 </span><span class="subxTest">test-next-word-returns-empty-string-on-newline</span>:
-<span id="L254" class="LineNr">254 </span>    <span class="subxS1Comment"># . prologue</span>
-<span id="L255" class="LineNr">255 </span>    55/push-ebp
-<span id="L256" class="LineNr">256 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
-<span id="L257" class="LineNr">257 </span>    <span class="subxComment"># setup</span>
-<span id="L258" class="LineNr">258 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L259" class="LineNr">259 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L260" class="LineNr">260 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L261" class="LineNr">261 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L262" class="LineNr">262 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
-<span id="L263" class="LineNr">263 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L264" class="LineNr">264 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
-<span id="L265" class="LineNr">265 </span>    <span class="subxComment"># var slice/ecx: slice</span>
-<span id="L266" class="LineNr">266 </span>    68/push  0/imm32/end
-<span id="L267" class="LineNr">267 </span>    68/push  0/imm32/start
-<span id="L268" class="LineNr">268 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
-<span id="L269" class="LineNr">269 </span>    <span class="subxComment"># write some whitespace and a newline</span>
-<span id="L270" class="LineNr">270 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L271" class="LineNr">271 </span>    68/push  <span class="Constant">&quot;  \n&quot;</span>/imm32
-<span id="L272" class="LineNr">272 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L273" class="LineNr">273 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L274" class="LineNr">274 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
-<span id="L275" class="LineNr">275 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L276" class="LineNr">276 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
-<span id="L277" class="LineNr">277 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
-<span id="L278" class="LineNr">278 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L279" class="LineNr">279 </span>    51/push-ecx
-<span id="L280" class="LineNr">280 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
-<span id="L281" class="LineNr">281 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L282" class="LineNr">282 </span>    e8/call  <a href='127next-word.subx.html#L10'>next-word</a>/disp32
-<span id="L283" class="LineNr">283 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L284" class="LineNr">284 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
-<span id="L285" class="LineNr">285 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - slice-&gt;start, 0, msg)</span>
-<span id="L286" class="LineNr">286 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L287" class="LineNr">287 </span>    68/push  <span class="Constant">&quot;F - test-next-word-returns-empty-string-on-newline&quot;</span>/imm32
-<span id="L288" class="LineNr">288 </span>    68/push  0/imm32
-<span id="L289" class="LineNr">289 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - slice-&gt;start</span>
-<span id="L290" class="LineNr">290 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
-<span id="L291" class="LineNr">291 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
-<span id="L292" class="LineNr">292 </span>    50/push-eax
-<span id="L293" class="LineNr">293 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L294" class="LineNr">294 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
-<span id="L295" class="LineNr">295 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L296" class="LineNr">296 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
-<span id="L297" class="LineNr">297 </span>    <span class="subxS1Comment"># . epilogue</span>
-<span id="L298" class="LineNr">298 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
-<span id="L299" class="LineNr">299 </span>    5d/pop-to-ebp
-<span id="L300" class="LineNr">300 </span>    c3/return
+<span id="L8" class="LineNr">  8 </span><span class="subxComment"># (re)compute the bounds of the next word in the line (surrounded by whitespace,</span>
+<span id="L9" class="LineNr">  9 </span><span class="subxComment"># treating '#' comments as a single word)</span>
+<span id="L10" class="LineNr"> 10 </span><span class="subxComment"># return empty string on reaching end of file</span>
+<span id="L11" class="LineNr"> 11 </span><span class="subxFunction">next-word</span>:  <span class="subxComment"># line: (addr stream byte), out: (addr slice)</span>
+<span id="L12" class="LineNr"> 12 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L13" class="LineNr"> 13 </span>    55/push-ebp
+<span id="L14" class="LineNr"> 14 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L15" class="LineNr"> 15 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L16" class="LineNr"> 16 </span>    50/push-eax
+<span id="L17" class="LineNr"> 17 </span>    51/push-ecx
+<span id="L18" class="LineNr"> 18 </span>    56/push-esi
+<span id="L19" class="LineNr"> 19 </span>    57/push-edi
+<span id="L20" class="LineNr"> 20 </span>    <span class="subxComment"># esi = line</span>
+<span id="L21" class="LineNr"> 21 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to esi</span>
+<span id="L22" class="LineNr"> 22 </span>    <span class="subxComment"># edi = out</span>
+<span id="L23" class="LineNr"> 23 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          7/r32/edi   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to edi</span>
+<span id="L24" class="LineNr"> 24 </span>    <span class="subxComment"># skip-chars-matching-whitespace(line)</span>
+<span id="L25" class="LineNr"> 25 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L26" class="LineNr"> 26 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
+<span id="L27" class="LineNr"> 27 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L28" class="LineNr"> 28 </span>    e8/call  <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a>/disp32
+<span id="L29" class="LineNr"> 29 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L30" class="LineNr"> 30 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L31" class="LineNr"> 31 </span><span class="Constant">$next-word:check0</span>:
+<span id="L32" class="LineNr"> 32 </span>    <span class="subxComment"># if (line-&gt;read &gt;= line-&gt;write) clear out and return</span>
+<span id="L33" class="LineNr"> 33 </span>    <span class="subxS1Comment"># . eax = line-&gt;read</span>
+<span id="L34" class="LineNr"> 34 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to eax</span>
+<span id="L35" class="LineNr"> 35 </span>    <span class="subxS1Comment"># . if (eax &lt; line-&gt;write) goto next check</span>
+<span id="L36" class="LineNr"> 36 </span>    3b/compare                      0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare eax with *esi</span>
+<span id="L37" class="LineNr"> 37 </span>    7c/jump-if-&lt;  $next-word:check-for-comment/disp8
+<span id="L38" class="LineNr"> 38 </span>    <span class="subxS1Comment"># . return out</span>
+<span id="L39" class="LineNr"> 39 </span>    c7          0/subop/copy        0/mod/direct    7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0/imm32           <span class="subxComment"># copy to *edi</span>
+<span id="L40" class="LineNr"> 40 </span>    c7          0/subop/copy        1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          4/disp8         0/imm32           <span class="subxComment"># copy to *(edi+4)</span>
+<span id="L41" class="LineNr"> 41 </span>    eb/jump  $next-word:end/disp8
+<span id="L42" class="LineNr"> 42 </span><span class="Constant">$next-word:check-for-comment</span>:
+<span id="L43" class="LineNr"> 43 </span>    <span class="subxComment"># out-&gt;start = &amp;line-&gt;data[line-&gt;read]</span>
+<span id="L44" class="LineNr"> 44 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to ecx</span>
+<span id="L45" class="LineNr"> 45 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+ecx+12 to eax</span>
+<span id="L46" class="LineNr"> 46 </span>    89/copy                         0/mod/indirect  7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *edi</span>
+<span id="L47" class="LineNr"> 47 </span>    <span class="subxComment"># if (line-&gt;data[line-&gt;read] == '#') out-&gt;end = &amp;line-&gt;data[line-&gt;write]), skip rest of stream and return</span>
+<span id="L48" class="LineNr"> 48 </span>    <span class="subxS1Comment"># . eax = line-&gt;data[line-&gt;read]</span>
+<span id="L49" class="LineNr"> 49 </span>    31/xor                          3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># clear eax</span>
+<span id="L50" class="LineNr"> 50 </span>    8a/copy-byte                    1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/AL    0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span>
+<span id="L51" class="LineNr"> 51 </span>    <span class="subxS1Comment"># . compare</span>
+<span id="L52" class="LineNr"> 52 </span>    3d/compare-eax-and  0x23/imm32/pound
+<span id="L53" class="LineNr"> 53 </span>    75/jump-if-!=  $next-word:regular-word/disp8
+<span id="L54" class="LineNr"> 54 </span><span class="Constant">$next-word:comment</span>:
+<span id="L55" class="LineNr"> 55 </span>    <span class="subxS1Comment"># . out-&gt;end = &amp;line-&gt;data[line-&gt;write]</span>
+<span id="L56" class="LineNr"> 56 </span>    8b/copy                         0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *esi to eax</span>
+<span id="L57" class="LineNr"> 57 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  0/index/eax  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+eax+12 to eax</span>
+<span id="L58" class="LineNr"> 58 </span>    89/copy                         1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *(edi+4)</span>
+<span id="L59" class="LineNr"> 59 </span>    <span class="subxS1Comment"># . line-&gt;read = line-&gt;write</span>
+<span id="L60" class="LineNr"> 60 </span>    8b/copy                         0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *esi to eax</span>
+<span id="L61" class="LineNr"> 61 </span>    89/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *(esi+4)</span>
+<span id="L62" class="LineNr"> 62 </span>    <span class="subxS1Comment"># . return</span>
+<span id="L63" class="LineNr"> 63 </span>    eb/jump  $next-word:end/disp8
+<span id="L64" class="LineNr"> 64 </span><span class="Constant">$next-word:regular-word</span>:
+<span id="L65" class="LineNr"> 65 </span>    <span class="subxComment"># otherwise skip-chars-not-matching-whitespace(line)  # including trailing newline</span>
+<span id="L66" class="LineNr"> 66 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L67" class="LineNr"> 67 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
+<span id="L68" class="LineNr"> 68 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L69" class="LineNr"> 69 </span>    e8/call  <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a>/disp32
+<span id="L70" class="LineNr"> 70 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L71" class="LineNr"> 71 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L72" class="LineNr"> 72 </span>    <span class="subxComment"># out-&gt;end = &amp;line-&gt;data[line-&gt;read]</span>
+<span id="L73" class="LineNr"> 73 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to ecx</span>
+<span id="L74" class="LineNr"> 74 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+ecx+12 to eax</span>
+<span id="L75" class="LineNr"> 75 </span>    89/copy                         1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *(edi+4)</span>
+<span id="L76" class="LineNr"> 76 </span><span class="Constant">$next-word:end</span>:
+<span id="L77" class="LineNr"> 77 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L78" class="LineNr"> 78 </span>    5f/pop-to-edi
+<span id="L79" class="LineNr"> 79 </span>    5e/pop-to-esi
+<span id="L80" class="LineNr"> 80 </span>    59/pop-to-ecx
+<span id="L81" class="LineNr"> 81 </span>    58/pop-to-eax
+<span id="L82" class="LineNr"> 82 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L83" class="LineNr"> 83 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L84" class="LineNr"> 84 </span>    5d/pop-to-ebp
+<span id="L85" class="LineNr"> 85 </span>    c3/return
+<span id="L86" class="LineNr"> 86 </span>
+<span id="L87" class="LineNr"> 87 </span><span class="subxTest">test-next-word</span>:
+<span id="L88" class="LineNr"> 88 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L89" class="LineNr"> 89 </span>    55/push-ebp
+<span id="L90" class="LineNr"> 90 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L91" class="LineNr"> 91 </span>    <span class="subxComment"># setup</span>
+<span id="L92" class="LineNr"> 92 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L93" class="LineNr"> 93 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L94" class="LineNr"> 94 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L95" class="LineNr"> 95 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L96" class="LineNr"> 96 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
+<span id="L97" class="LineNr"> 97 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L98" class="LineNr"> 98 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L99" class="LineNr"> 99 </span>    <span class="subxComment"># var slice/ecx: slice</span>
+<span id="L100" class="LineNr">100 </span>    68/push  0/imm32/end
+<span id="L101" class="LineNr">101 </span>    68/push  0/imm32/start
+<span id="L102" class="LineNr">102 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
+<span id="L103" class="LineNr">103 </span>    <span class="subxComment"># write(_test-stream, &quot;  ab&quot;)</span>
+<span id="L104" class="LineNr">104 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L105" class="LineNr">105 </span>    68/push  <span class="Constant">&quot;  ab&quot;</span>/imm32
+<span id="L106" class="LineNr">106 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L107" class="LineNr">107 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L108" class="LineNr">108 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
+<span id="L109" class="LineNr">109 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L110" class="LineNr">110 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L111" class="LineNr">111 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
+<span id="L112" class="LineNr">112 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L113" class="LineNr">113 </span>    51/push-ecx
+<span id="L114" class="LineNr">114 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L115" class="LineNr">115 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L116" class="LineNr">116 </span>    e8/call  <a href='127next-word.subx.html#L11'>next-word</a>/disp32
+<span id="L117" class="LineNr">117 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L118" class="LineNr">118 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L119" class="LineNr">119 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;start - _test-stream-&gt;data, 2, msg)</span>
+<span id="L120" class="LineNr">120 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;start - _test-stream, 14, msg)</span>
+<span id="L121" class="LineNr">121 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L122" class="LineNr">122 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L87'>test-next-word</a>: start&quot;</span>/imm32
+<span id="L123" class="LineNr">123 </span>    68/push  0xe/imm32
+<span id="L124" class="LineNr">124 </span>    <span class="subxS2Comment"># . . push slice-&gt;start - _test-stream</span>
+<span id="L125" class="LineNr">125 </span>    8b/copy                         0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *ecx to eax</span>
+<span id="L126" class="LineNr">126 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
+<span id="L127" class="LineNr">127 </span>    50/push-eax
+<span id="L128" class="LineNr">128 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L129" class="LineNr">129 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
+<span id="L130" class="LineNr">130 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L131" class="LineNr">131 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
+<span id="L132" class="LineNr">132 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - _test-stream-&gt;data, 4, msg)</span>
+<span id="L133" class="LineNr">133 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;end - _test-stream, 16, msg)</span>
+<span id="L134" class="LineNr">134 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L135" class="LineNr">135 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L87'>test-next-word</a>: end&quot;</span>/imm32
+<span id="L136" class="LineNr">136 </span>    68/push  0x10/imm32
+<span id="L137" class="LineNr">137 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - _test-stream</span>
+<span id="L138" class="LineNr">138 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
+<span id="L139" class="LineNr">139 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
+<span id="L140" class="LineNr">140 </span>    50/push-eax
+<span id="L141" class="LineNr">141 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L142" class="LineNr">142 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
+<span id="L143" class="LineNr">143 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L144" class="LineNr">144 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
+<span id="L145" class="LineNr">145 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L146" class="LineNr">146 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L147" class="LineNr">147 </span>    5d/pop-to-ebp
+<span id="L148" class="LineNr">148 </span>    c3/return
+<span id="L149" class="LineNr">149 </span>
+<span id="L150" class="LineNr">150 </span><span class="subxTest">test-next-word-returns-whole-comment</span>:
+<span id="L151" class="LineNr">151 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L152" class="LineNr">152 </span>    55/push-ebp
+<span id="L153" class="LineNr">153 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L154" class="LineNr">154 </span>    <span class="subxComment"># setup</span>
+<span id="L155" class="LineNr">155 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L156" class="LineNr">156 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L157" class="LineNr">157 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L158" class="LineNr">158 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L159" class="LineNr">159 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
+<span id="L160" class="LineNr">160 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L161" class="LineNr">161 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L162" class="LineNr">162 </span>    <span class="subxComment"># var slice/ecx: slice</span>
+<span id="L163" class="LineNr">163 </span>    68/push  0/imm32/end
+<span id="L164" class="LineNr">164 </span>    68/push  0/imm32/start
+<span id="L165" class="LineNr">165 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
+<span id="L166" class="LineNr">166 </span>    <span class="subxComment"># write(_test-stream, &quot;  # a&quot;)</span>
+<span id="L167" class="LineNr">167 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L168" class="LineNr">168 </span>    68/push  <span class="Constant">&quot;  # a&quot;</span>/imm32
+<span id="L169" class="LineNr">169 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L170" class="LineNr">170 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L171" class="LineNr">171 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
+<span id="L172" class="LineNr">172 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L173" class="LineNr">173 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L174" class="LineNr">174 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
+<span id="L175" class="LineNr">175 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L176" class="LineNr">176 </span>    51/push-ecx
+<span id="L177" class="LineNr">177 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L178" class="LineNr">178 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L179" class="LineNr">179 </span>    e8/call  <a href='127next-word.subx.html#L11'>next-word</a>/disp32
+<span id="L180" class="LineNr">180 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L181" class="LineNr">181 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L182" class="LineNr">182 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;start - _test-stream-&gt;data, 2, msg)</span>
+<span id="L183" class="LineNr">183 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;start - _test-stream, 14, msg)</span>
+<span id="L184" class="LineNr">184 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L185" class="LineNr">185 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L150'>test-next-word-returns-whole-comment</a>: start&quot;</span>/imm32
+<span id="L186" class="LineNr">186 </span>    68/push  0xe/imm32
+<span id="L187" class="LineNr">187 </span>    <span class="subxS2Comment"># . . push slice-&gt;start - _test-stream</span>
+<span id="L188" class="LineNr">188 </span>    8b/copy                         0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *ecx to eax</span>
+<span id="L189" class="LineNr">189 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
+<span id="L190" class="LineNr">190 </span>    50/push-eax
+<span id="L191" class="LineNr">191 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L192" class="LineNr">192 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
+<span id="L193" class="LineNr">193 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L194" class="LineNr">194 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
+<span id="L195" class="LineNr">195 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - _test-stream-&gt;data, 5, msg)</span>
+<span id="L196" class="LineNr">196 </span>    <span class="subxS1Comment"># . check-ints-equal(slice-&gt;end - _test-stream, 17, msg)</span>
+<span id="L197" class="LineNr">197 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L198" class="LineNr">198 </span>    68/push  <span class="Constant">&quot;F - <a href='127next-word.subx.html#L150'>test-next-word-returns-whole-comment</a>: end&quot;</span>/imm32
+<span id="L199" class="LineNr">199 </span>    68/push  0x11/imm32
+<span id="L200" class="LineNr">200 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - _test-stream</span>
+<span id="L201" class="LineNr">201 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
+<span id="L202" class="LineNr">202 </span>    81          5/subop/subtract    3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              <a href='108write.subx.html#L151'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span>
+<span id="L203" class="LineNr">203 </span>    50/push-eax
+<span id="L204" class="LineNr">204 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L205" class="LineNr">205 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
+<span id="L206" class="LineNr">206 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L207" class="LineNr">207 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
+<span id="L208" class="LineNr">208 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L209" class="LineNr">209 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L210" class="LineNr">210 </span>    5d/pop-to-ebp
+<span id="L211" class="LineNr">211 </span>    c3/return
+<span id="L212" class="LineNr">212 </span>
+<span id="L213" class="LineNr">213 </span><span class="subxTest">test-next-word-returns-empty-string-on-eof</span>:
+<span id="L214" class="LineNr">214 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L215" class="LineNr">215 </span>    55/push-ebp
+<span id="L216" class="LineNr">216 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L217" class="LineNr">217 </span>    <span class="subxComment"># setup</span>
+<span id="L218" class="LineNr">218 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L219" class="LineNr">219 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L220" class="LineNr">220 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L221" class="LineNr">221 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L222" class="LineNr">222 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
+<span id="L223" class="LineNr">223 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L224" class="LineNr">224 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L225" class="LineNr">225 </span>    <span class="subxComment"># var slice/ecx: slice</span>
+<span id="L226" class="LineNr">226 </span>    68/push  0/imm32/end
+<span id="L227" class="LineNr">227 </span>    68/push  0/imm32/start
+<span id="L228" class="LineNr">228 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
+<span id="L229" class="LineNr">229 </span>    <span class="subxComment"># write nothing to _test-stream</span>
+<span id="L230" class="LineNr">230 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
+<span id="L231" class="LineNr">231 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L232" class="LineNr">232 </span>    51/push-ecx
+<span id="L233" class="LineNr">233 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L234" class="LineNr">234 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L235" class="LineNr">235 </span>    e8/call  <a href='127next-word.subx.html#L11'>next-word</a>/disp32
+<span id="L236" class="LineNr">236 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L237" class="LineNr">237 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L238" class="LineNr">238 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - slice-&gt;start, 0, msg)</span>
+<span id="L239" class="LineNr">239 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L240" class="LineNr">240 </span>    68/push  <span class="Constant">&quot;F - test-next-word-returns-empty-string-on-eof&quot;</span>/imm32
+<span id="L241" class="LineNr">241 </span>    68/push  0/imm32
+<span id="L242" class="LineNr">242 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - slice-&gt;start</span>
+<span id="L243" class="LineNr">243 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
+<span id="L244" class="LineNr">244 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
+<span id="L245" class="LineNr">245 </span>    50/push-eax
+<span id="L246" class="LineNr">246 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L247" class="LineNr">247 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
+<span id="L248" class="LineNr">248 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L249" class="LineNr">249 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
+<span id="L250" class="LineNr">250 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L251" class="LineNr">251 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L252" class="LineNr">252 </span>    5d/pop-to-ebp
+<span id="L253" class="LineNr">253 </span>    c3/return
+<span id="L254" class="LineNr">254 </span>
+<span id="L255" class="LineNr">255 </span><span class="subxTest">test-next-word-returns-empty-string-on-newline</span>:
+<span id="L256" class="LineNr">256 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L257" class="LineNr">257 </span>    55/push-ebp
+<span id="L258" class="LineNr">258 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L259" class="LineNr">259 </span>    <span class="subxComment"># setup</span>
+<span id="L260" class="LineNr">260 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L261" class="LineNr">261 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L262" class="LineNr">262 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L263" class="LineNr">263 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L264" class="LineNr">264 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
+<span id="L265" class="LineNr">265 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L266" class="LineNr">266 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L267" class="LineNr">267 </span>    <span class="subxComment"># var slice/ecx: slice</span>
+<span id="L268" class="LineNr">268 </span>    68/push  0/imm32/end
+<span id="L269" class="LineNr">269 </span>    68/push  0/imm32/start
+<span id="L270" class="LineNr">270 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
+<span id="L271" class="LineNr">271 </span>    <span class="subxComment"># write some whitespace and a newline</span>
+<span id="L272" class="LineNr">272 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L273" class="LineNr">273 </span>    68/push  <span class="Constant">&quot;  \n&quot;</span>/imm32
+<span id="L274" class="LineNr">274 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L275" class="LineNr">275 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L276" class="LineNr">276 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
+<span id="L277" class="LineNr">277 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L278" class="LineNr">278 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L279" class="LineNr">279 </span>    <span class="subxComment"># next-word(_test-stream, slice)</span>
+<span id="L280" class="LineNr">280 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L281" class="LineNr">281 </span>    51/push-ecx
+<span id="L282" class="LineNr">282 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
+<span id="L283" class="LineNr">283 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L284" class="LineNr">284 </span>    e8/call  <a href='127next-word.subx.html#L11'>next-word</a>/disp32
+<span id="L285" class="LineNr">285 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L286" class="LineNr">286 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
+<span id="L287" class="LineNr">287 </span>    <span class="subxComment"># check-ints-equal(slice-&gt;end - slice-&gt;start, 0, msg)</span>
+<span id="L288" class="LineNr">288 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L289" class="LineNr">289 </span>    68/push  <span class="Constant">&quot;F - test-next-word-returns-empty-string-on-newline&quot;</span>/imm32
+<span id="L290" class="LineNr">290 </span>    68/push  0/imm32
+<span id="L291" class="LineNr">291 </span>    <span class="subxS2Comment"># . . push slice-&gt;end - slice-&gt;start</span>
+<span id="L292" class="LineNr">292 </span>    8b/copy                         1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ecx+4) to eax</span>
+<span id="L293" class="LineNr">293 </span>    2b/subtract                     0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract *ecx from eax</span>
+<span id="L294" class="LineNr">294 </span>    50/push-eax
+<span id="L295" class="LineNr">295 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L296" class="LineNr">296 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
+<span id="L297" class="LineNr">297 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L298" class="LineNr">298 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
+<span id="L299" class="LineNr">299 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L300" class="LineNr">300 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L301" class="LineNr">301 </span>    5d/pop-to-ebp
+<span id="L302" class="LineNr">302 </span>    c3/return
+<span id="L303" class="LineNr">303 </span>
+<span id="L304" class="LineNr">304 </span><span class="subxComment"># (re)compute the bounds of the next word in the line (separated by whitespace)</span>
+<span id="L305" class="LineNr">305 </span><span class="subxComment"># return empty string on reaching end of file</span>
+<span id="L306" class="LineNr">306 </span><span class="subxFunction">next-raw-word</span>:  <span class="subxComment"># line: (addr stream byte), out: (addr slice)</span>
+<span id="L307" class="LineNr">307 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L308" class="LineNr">308 </span>    55/push-ebp
+<span id="L309" class="LineNr">309 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
+<span id="L310" class="LineNr">310 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L311" class="LineNr">311 </span>    50/push-eax
+<span id="L312" class="LineNr">312 </span>    51/push-ecx
+<span id="L313" class="LineNr">313 </span>    56/push-esi
+<span id="L314" class="LineNr">314 </span>    57/push-edi
+<span id="L315" class="LineNr">315 </span>    <span class="subxComment"># esi = line</span>
+<span id="L316" class="LineNr">316 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to esi</span>
+<span id="L317" class="LineNr">317 </span>    <span class="subxComment"># edi = out</span>
+<span id="L318" class="LineNr">318 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          7/r32/edi   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to edi</span>
+<span id="L319" class="LineNr">319 </span>    <span class="subxComment"># skip-chars-matching-whitespace(line)</span>
+<span id="L320" class="LineNr">320 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L321" class="LineNr">321 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
+<span id="L322" class="LineNr">322 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L323" class="LineNr">323 </span>    e8/call  <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a>/disp32
+<span id="L324" class="LineNr">324 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L325" class="LineNr">325 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L326" class="LineNr">326 </span><span class="Constant">$next-raw-word:check0</span>:
+<span id="L327" class="LineNr">327 </span>    <span class="subxComment"># if (line-&gt;read &gt;= line-&gt;write) clear out and return</span>
+<span id="L328" class="LineNr">328 </span>    <span class="subxS1Comment"># . eax = line-&gt;read</span>
+<span id="L329" class="LineNr">329 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to eax</span>
+<span id="L330" class="LineNr">330 </span>    <span class="subxS1Comment"># . if (eax &lt; line-&gt;write) goto next check</span>
+<span id="L331" class="LineNr">331 </span>    3b/compare                      0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare eax with *esi</span>
+<span id="L332" class="LineNr">332 </span>    7c/jump-if-&lt;  $next-raw-word:word-exists/disp8
+<span id="L333" class="LineNr">333 </span>    <span class="subxS1Comment"># . return out</span>
+<span id="L334" class="LineNr">334 </span>    c7          0/subop/copy        0/mod/direct    7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0/imm32           <span class="subxComment"># copy to *edi</span>
+<span id="L335" class="LineNr">335 </span>    c7          0/subop/copy        1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          4/disp8         0/imm32           <span class="subxComment"># copy to *(edi+4)</span>
+<span id="L336" class="LineNr">336 </span>    eb/jump  $next-raw-word:end/disp8
+<span id="L337" class="LineNr">337 </span><span class="Constant">$next-raw-word:word-exists</span>:
+<span id="L338" class="LineNr">338 </span>    <span class="subxComment"># out-&gt;start = &amp;line-&gt;data[line-&gt;read]</span>
+<span id="L339" class="LineNr">339 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to ecx</span>
+<span id="L340" class="LineNr">340 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+ecx+12 to eax</span>
+<span id="L341" class="LineNr">341 </span>    89/copy                         0/mod/indirect  7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *edi</span>
+<span id="L342" class="LineNr">342 </span>    <span class="subxComment"># skip-chars-not-matching-whitespace(line)  # including trailing newline</span>
+<span id="L343" class="LineNr">343 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L344" class="LineNr">344 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
+<span id="L345" class="LineNr">345 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L346" class="LineNr">346 </span>    e8/call  <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a>/disp32
+<span id="L347" class="LineNr">347 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L348" class="LineNr">348 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
+<span id="L349" class="LineNr">349 </span>    <span class="subxComment"># out-&gt;end = &amp;line-&gt;data[line-&gt;read]</span>
+<span id="L350" class="LineNr">350 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to ecx</span>
+<span id="L351" class="LineNr">351 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/eax   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+ecx+12 to eax</span>
+<span id="L352" class="LineNr">352 </span>    89/copy                         1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *(edi+4)</span>
+<span id="L353" class="LineNr">353 </span><span class="Constant">$next-raw-word:end</span>:
+<span id="L354" class="LineNr">354 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L355" class="LineNr">355 </span>    5f/pop-to-edi
+<span id="L356" class="LineNr">356 </span>    5e/pop-to-esi
+<span id="L357" class="LineNr">357 </span>    59/pop-to-ecx
+<span id="L358" class="LineNr">358 </span>    58/pop-to-eax
+<span id="L359" class="LineNr">359 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L360" class="LineNr">360 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
+<span id="L361" class="LineNr">361 </span>    5d/pop-to-ebp
+<span id="L362" class="LineNr">362 </span>    c3/return
 </pre>
 </body>
 </html>
diff --git a/html/315slice.subx.html b/html/315slice.subx.html
new file mode 100644
index 00000000..cbbd0f0d
--- /dev/null
+++ b/html/315slice.subx.html
@@ -0,0 +1,74 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - 315slice.subx</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal-light">
+<style type="text/css">
+<!--
+pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; }
+body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
+a { color:inherit; }
+* { font-size:12pt; font-size: 1em; }
+.subxComment { color: #005faf; }
+.LineNr { }
+.subxS1Comment { color: #0000af; }
+.SpecialChar { color: #d70000; }
+.subxMinorFunction { color: #875f5f; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
+
+/* function to open any folds containing a jumped-to line before jumping to it */
+function JumpToLine()
+{
+  var lineNum;
+  lineNum = window.location.hash;
+  lineNum = lineNum.substr(1); /* strip off '#' */
+
+  if (lineNum.indexOf('L') == -1) {
+    lineNum = 'L'+lineNum;
+  }
+  var lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
+  }
+  return true;
+}
+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
+}
+
+-->
+</script>
+</head>
+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/master/315slice.subx'>https://github.com/akkartik/mu/blob/master/315slice.subx</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span>== code
+<span id="L2" class="LineNr"> 2 </span>
+<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># variant of slice-to-string intended to be called from Mu</span>
+<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># Mu doesn't yet expose allocation-descriptors</span>
+<span id="L5" class="LineNr"> 5 </span><span class="subxMinorFunction">_slice-to-string</span>:  <span class="subxComment"># in: (addr slice), out: (addr handle array byte)</span>
+<span id="L6" class="LineNr"> 6 </span>    <span class="subxS1Comment"># . prologue</span>
+<span id="L7" class="LineNr"> 7 </span>    55/push-ebp
+<span id="L8" class="LineNr"> 8 </span>    89/&lt;- %ebp 4/r32/esp
+<span id="L9" class="LineNr"> 9 </span>    <span class="subxComment">#</span>
+<span id="L10" class="LineNr">10 </span>    (<a href='123slice.subx.html#L1043'>slice-to-string</a> <span class="SpecialChar"><a href='120allocate.subx.html#L27'>Heap</a></span> *(ebp+8) *(ebp+0xc))
+<span id="L11" class="LineNr">11 </span>    <span class="subxS1Comment"># . epilogue</span>
+<span id="L12" class="LineNr">12 </span>    89/&lt;- %esp 5/r32/ebp
+<span id="L13" class="LineNr">13 </span>    5d/pop-to-ebp
+<span id="L14" class="LineNr">14 </span>    c3/return
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/html/400.mu.html b/html/400.mu.html
index 84cdb77d..e7c46c2f 100644
--- a/html/400.mu.html
+++ b/html/400.mu.html
@@ -149,99 +149,105 @@ if ('onhashchange' in window) {
 <span id="L94" class="LineNr"> 94 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L487'>slice-starts-with?</a> s: (addr slice), head: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
 <span id="L95" class="LineNr"> 95 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L793'>write-slice</a> out: (addr stream byte), s: (addr slice)
 <span id="L96" class="LineNr"> 96 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L908'>write-slice-buffered</a> out: (addr buffered-file), s: (addr slice)
-<span id="L97" class="LineNr"> 97 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L1043'>slice-to-string</a> ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)
-<span id="L98" class="LineNr"> 98 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L10'>next-token</a> in: (addr stream byte), delimiter: byte, out: (addr slice)
-<span id="L99" class="LineNr"> 99 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L163'>next-token-from-slice</a> start: (addr byte), end: (addr byte), delimiter: byte, out: (addr slice)
-<span id="L100" class="LineNr">100 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L341'>skip-chars-matching</a> in: (addr stream byte), delimiter: byte
-<span id="L101" class="LineNr">101 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a> in: (addr stream byte)
-<span id="L102" class="LineNr">102 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L554'>skip-chars-not-matching</a> in: (addr stream byte), delimiter: byte
-<span id="L103" class="LineNr">103 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a> in: (addr stream byte)
-<span id="L104" class="LineNr">104 </span><span class="muComment">#sig skip-chars-matching-in-slice curr: (addr byte), end: (addr byte), delimiter: byte -&gt; _/eax: (addr byte)</span>
-<span id="L105" class="LineNr">105 </span><span class="muComment">#sig skip-chars-matching-whitespace-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
-<span id="L106" class="LineNr">106 </span><span class="muComment">#sig skip-chars-not-matching-in-slice curr: (addr byte), end: (addr byte), delimiter: byte -&gt; _/eax: (addr byte)</span>
-<span id="L107" class="LineNr">107 </span><span class="muComment">#sig skip-chars-not-matching-whitespace-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
-<span id="L108" class="LineNr">108 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L1171'>skip-string</a> line: (addr stream byte)
-<span id="L109" class="LineNr">109 </span><span class="muComment">#sig skip-string-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
-<span id="L110" class="LineNr">110 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L1599'>skip-until-close-paren</a> line: (addr stream byte)
-<span id="L111" class="LineNr">111 </span><span class="muComment">#sig skip-until-close-paren-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
-<span id="L112" class="LineNr">112 </span><span class="PreProc">sig</span> <a href='125write-stream-data.subx.html#L11'>write-stream-data</a> f: (addr buffered-file), s: (addr stream byte)
-<span id="L113" class="LineNr">113 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> out: (addr stream byte), n: int
-<span id="L114" class="LineNr">114 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L306'>is-decimal-digit?</a> c: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L115" class="LineNr">115 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L405'>to-decimal-digit</a> in: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L116" class="LineNr">116 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L10'>next-word</a> line: (addr stream byte), out: (addr slice)
-<span id="L117" class="LineNr">117 </span><span class="PreProc">sig</span> <a href='128subx-words.subx.html#L8'>has-metadata?</a> word: (addr slice), s: (addr string)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L118" class="LineNr">118 </span><span class="PreProc">sig</span> <a href='128subx-words.subx.html#L278'>is-valid-name?</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L119" class="LineNr">119 </span><span class="PreProc">sig</span> <a href='128subx-words.subx.html#L535'>is-label?</a> word: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L120" class="LineNr">120 </span><span class="PreProc">sig</span> <a href='129emit-hex.subx.html#L7'>emit-hex</a> out: (addr buffered-file), n: int, width: int
-<span id="L121" class="LineNr">121 </span><span class="PreProc">sig</span> <a href='130emit.subx.html#L10'>emit</a> out: (addr buffered-file), word: (addr slice), width: int
-<span id="L122" class="LineNr">122 </span><span class="muComment">#sig get table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int, abort-message-prefix: (addr array byte) -&gt; _/eax: (addr T)</span>
-<span id="L123" class="LineNr">123 </span><span class="muComment">#sig get-slice table: (addr stream {(handle array byte), T}), key: (addr slice), row-size: int, abort-message-prefix: (addr array byte) -&gt; _/eax: (addr T)</span>
-<span id="L124" class="LineNr">124 </span><span class="muComment">#sig get-or-insert table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int, ad: (addr allocation-descriptor) -&gt; _/eax: (addr T)</span>
-<span id="L125" class="LineNr">125 </span><span class="muComment">#sig get-or-insert-handle table: (addr stream {(handle array byte), T}), key: (handle array byte), row-size: int -&gt; _/eax: (addr T)</span>
-<span id="L126" class="LineNr">126 </span><span class="muComment">#sig get-or-insert-slice table: (addr stream {(handle array byte), T}), key: (addr slice), row-size: int, ad: (addr allocation-descriptor) -&gt; _/eax: (addr T)</span>
-<span id="L127" class="LineNr">127 </span><span class="muComment">#sig get-or-stop table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int</span>
-<span id="L128" class="LineNr">128 </span><span class="muComment">#sig get-slice-or-stop table: (addr stream {(handle array byte), _}), key: (addr slice), row-size: int</span>
-<span id="L129" class="LineNr">129 </span><span class="muComment">#sig maybe-get table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int -&gt; _/eax: (addr T)</span>
-<span id="L130" class="LineNr">130 </span><span class="muComment">#sig maybe-get-slice table: (addr stream {(handle array byte), T}), key: (addr slice), row-size: int -&gt; _/eax: (addr T)</span>
-<span id="L131" class="LineNr">131 </span><span class="PreProc">sig</span> <a href='132slurp.subx.html#L8'>slurp</a> f: (addr buffered-file), s: (addr stream byte)
-<span id="L132" class="LineNr">132 </span><span class="PreProc">sig</span> <a href='133subx-widths.subx.html#L11'>compute-width</a> word: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L133" class="LineNr">133 </span><span class="PreProc">sig</span> <a href='133subx-widths.subx.html#L45'>compute-width-of-slice</a> s: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L134" class="LineNr">134 </span><span class="PreProc">sig</span> <a href='134emit-hex-array.subx.html#L7'>emit-hex-array</a> out: (addr buffered-file), arr: (addr array byte)
-<span id="L135" class="LineNr">135 </span><span class="PreProc">sig</span> <a href='135next-word-or-string.subx.html#L8'>next-word-or-string</a> line: (addr stream byte), out: (addr slice)
-<span id="L136" class="LineNr">136 </span><span class="PreProc">sig</span> <a href='202write-int.subx.html#L8'>write-int</a> out: (addr stream byte), n: int
-<span id="L137" class="LineNr">137 </span><span class="muComment">#sig clear-stack s: (addr stack)</span>
-<span id="L138" class="LineNr">138 </span><span class="muComment">#sig push s: (addr stack), n: int</span>
-<span id="L139" class="LineNr">139 </span><span class="muComment">#sig pop s: (addr stack) -&gt; _/eax: int</span>
-<span id="L140" class="LineNr">140 </span><span class="muComment">#sig top s: (addr stack) -&gt; _/eax: int</span>
-<span id="L141" class="LineNr">141 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L5'>array-equal?</a> a: (addr array int), b: (addr array int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L142" class="LineNr">142 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L368'>parse-array-of-ints</a> s: (addr array byte), out: (addr handle array int)
-<span id="L143" class="LineNr">143 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L623'>parse-array-of-decimal-ints</a> s: (addr array byte), out: (addr handle array int)
-<span id="L144" class="LineNr">144 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L382'>check-array-equal</a> a: (addr array int), expected: (addr string), msg: (addr string)
-<span id="L145" class="LineNr">145 </span><span class="muComment">#sig push-n-zero-bytes n: int</span>
-<span id="L146" class="LineNr">146 </span><span class="PreProc">sig</span> <a href='303kernel-string.subx.html#L7'>kernel-string-to-string</a> ad: (addr allocation-descriptor), in: (addr kernel-string), out: (addr handle array byte)
-<span id="L147" class="LineNr">147 </span><span class="PreProc">sig</span> <a href='303kernel-string.subx.html#L57'>kernel-string-length</a> in: (addr kernel-string)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
-<span id="L148" class="LineNr">148 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L6'>enable-screen-grid-mode</a>
-<span id="L149" class="LineNr">149 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L24'>enable-screen-type-mode</a>
-<span id="L150" class="LineNr">150 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L37'>real-screen-size</a><span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int
-<span id="L151" class="LineNr">151 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L75'>clear-real-screen</a>
-<span id="L152" class="LineNr">152 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L91'>move-cursor-on-real-screen</a> row: int, column: int
-<span id="L153" class="LineNr">153 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L122'>print-string-to-real-screen</a> s: (addr array byte)
-<span id="L154" class="LineNr">154 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L134'>print-slice-to-real-screen</a> s: (addr slice)
-<span id="L155" class="LineNr">155 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L147'>print-stream-to-real-screen</a> s: (addr stream byte)
-<span id="L156" class="LineNr">156 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L161'>print-grapheme-to-real-screen</a> c: grapheme
-<span id="L157" class="LineNr">157 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L226'>print-int32-hex-to-real-screen</a> n: int
-<span id="L158" class="LineNr">158 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L239'>print-int32-hex-bits-to-real-screen</a> n: int, bits: int
-<span id="L159" class="LineNr">159 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L252'>print-int32-decimal-to-real-screen</a> n: int
-<span id="L160" class="LineNr">160 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L265'>write-int32-decimal-buffered</a> f: (addr buffered-file), n: int
-<span id="L161" class="LineNr">161 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L289'>reset-formatting-on-real-screen</a>
-<span id="L162" class="LineNr">162 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L304'>start-color-on-real-screen</a> fg: int, bg: int
-<span id="L163" class="LineNr">163 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L339'>start-bold-on-real-screen</a>
-<span id="L164" class="LineNr">164 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L352'>start-underline-on-real-screen</a>
-<span id="L165" class="LineNr">165 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L365'>start-reverse-video-on-real-screen</a>
-<span id="L166" class="LineNr">166 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L379'>start-blinking-on-real-screen</a>
-<span id="L167" class="LineNr">167 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L392'>hide-cursor-on-real-screen</a>
-<span id="L168" class="LineNr">168 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L405'>show-cursor-on-real-screen</a>
-<span id="L169" class="LineNr">169 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L6'>enable-keyboard-immediate-mode</a>
-<span id="L170" class="LineNr">170 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L72'>enable-keyboard-type-mode</a>
-<span id="L171" class="LineNr">171 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L132'>read-key-from-real-keyboard</a><span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: grapheme
-<span id="L172" class="LineNr">172 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> out: (addr stream byte)
-<span id="L173" class="LineNr">173 </span><span class="PreProc">sig</span> <a href='306files.subx.html#L12'>open</a> filename: (addr array byte), write?: boolean, out: (addr handle buffered-file)
-<span id="L174" class="LineNr">174 </span><span class="PreProc">sig</span> <a href='306files.subx.html#L89'>populate-buffered-file-containing</a> contents: (addr array byte), out: (addr handle buffered-file)
-<span id="L175" class="LineNr">175 </span><span class="PreProc">sig</span> <a href='306files.subx.html#L135'>new-buffered-file</a> out: (addr handle buffered-file)
-<span id="L176" class="LineNr">176 </span><span class="muComment">#sig size in: (addr array _) -&gt; _/eax: int</span>
-<span id="L177" class="LineNr">177 </span>
-<span id="L178" class="LineNr">178 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L179" class="LineNr">179 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L30'>stream-full?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
-<span id="L180" class="LineNr">180 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L60'>stream-to-array</a> in: (addr stream _), out: (addr handle array _)
-<span id="L181" class="LineNr">181 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L120'>unquote-stream-to-array</a> in: (addr stream _), out: (addr handle array _)
-<span id="L182" class="LineNr">182 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L160'>stream-first</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
-<span id="L183" class="LineNr">183 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L187'>stream-final</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
-<span id="L184" class="LineNr">184 </span>
-<span id="L185" class="LineNr">185 </span><span class="muComment">#sig copy-bytes src: (addr byte), dest: (addr byte), n: int</span>
-<span id="L186" class="LineNr">186 </span><span class="PreProc">sig</span> <a href='312copy.subx.html#L3'>copy-array-object</a> src: (addr array _), dest-ah: (addr handle array _)
-<span id="L187" class="LineNr">187 </span><span class="PreProc">sig</span> <a href='312copy.subx.html#L17'>copy-file</a> src: (addr buffered-file), dest-ah: (addr handle buffered-file), filename: (addr array byte)
-<span id="L188" class="LineNr">188 </span>
-<span id="L189" class="LineNr">189 </span><span class="PreProc">sig</span> <a href='314divide.subx.html#L3'>integer-divide</a> a: int, b: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">edx</span>: int
+<span id="L97" class="LineNr"> 97 </span><span class="muComment"># bad name alert</span>
+<span id="L98" class="LineNr"> 98 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L1043'>slice-to-string</a> ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)
+<span id="L99" class="LineNr"> 99 </span><span class="PreProc">sig</span> <a href='315slice.subx.html#L5'>_slice-to-string</a> in: (addr slice), out: (addr handle array byte)
+<span id="L100" class="LineNr">100 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L10'>next-token</a> in: (addr stream byte), delimiter: byte, out: (addr slice)
+<span id="L101" class="LineNr">101 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L163'>next-token-from-slice</a> start: (addr byte), end: (addr byte), delimiter: byte, out: (addr slice)
+<span id="L102" class="LineNr">102 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L341'>skip-chars-matching</a> in: (addr stream byte), delimiter: byte
+<span id="L103" class="LineNr">103 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a> in: (addr stream byte)
+<span id="L104" class="LineNr">104 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L554'>skip-chars-not-matching</a> in: (addr stream byte), delimiter: byte
+<span id="L105" class="LineNr">105 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a> in: (addr stream byte)
+<span id="L106" class="LineNr">106 </span><span class="muComment">#sig skip-chars-matching-in-slice curr: (addr byte), end: (addr byte), delimiter: byte -&gt; _/eax: (addr byte)</span>
+<span id="L107" class="LineNr">107 </span><span class="muComment">#sig skip-chars-matching-whitespace-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
+<span id="L108" class="LineNr">108 </span><span class="muComment">#sig skip-chars-not-matching-in-slice curr: (addr byte), end: (addr byte), delimiter: byte -&gt; _/eax: (addr byte)</span>
+<span id="L109" class="LineNr">109 </span><span class="muComment">#sig skip-chars-not-matching-whitespace-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
+<span id="L110" class="LineNr">110 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L1171'>skip-string</a> line: (addr stream byte)
+<span id="L111" class="LineNr">111 </span><span class="muComment">#sig skip-string-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
+<span id="L112" class="LineNr">112 </span><span class="PreProc">sig</span> <a href='124next-token.subx.html#L1599'>skip-until-close-paren</a> line: (addr stream byte)
+<span id="L113" class="LineNr">113 </span><span class="muComment">#sig skip-until-close-paren-in-slice curr: (addr byte), end: (addr byte) -&gt; _/eax: (addr byte)</span>
+<span id="L114" class="LineNr">114 </span><span class="PreProc">sig</span> <a href='125write-stream-data.subx.html#L11'>write-stream-data</a> f: (addr buffered-file), s: (addr stream byte)
+<span id="L115" class="LineNr">115 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> out: (addr stream byte), n: int
+<span id="L116" class="LineNr">116 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L306'>is-decimal-digit?</a> c: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L117" class="LineNr">117 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L405'>to-decimal-digit</a> in: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L118" class="LineNr">118 </span><span class="muComment"># bad name alert</span>
+<span id="L119" class="LineNr">119 </span><span class="muComment"># next-word really tokenizes</span>
+<span id="L120" class="LineNr">120 </span><span class="muComment"># next-raw-word really reads whitespace-separated words</span>
+<span id="L121" class="LineNr">121 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L11'>next-word</a> line: (addr stream byte), out: (addr slice)  <span class="muComment"># skips '#' comments</span>
+<span id="L122" class="LineNr">122 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L306'>next-raw-word</a> line: (addr stream byte), out: (addr slice)  <span class="muComment"># does not skip '#' comments</span>
+<span id="L123" class="LineNr">123 </span><span class="PreProc">sig</span> <a href='128subx-words.subx.html#L8'>has-metadata?</a> word: (addr slice), s: (addr string)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L124" class="LineNr">124 </span><span class="PreProc">sig</span> <a href='128subx-words.subx.html#L278'>is-valid-name?</a> in: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L125" class="LineNr">125 </span><span class="PreProc">sig</span> <a href='128subx-words.subx.html#L535'>is-label?</a> word: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L126" class="LineNr">126 </span><span class="PreProc">sig</span> <a href='129emit-hex.subx.html#L7'>emit-hex</a> out: (addr buffered-file), n: int, width: int
+<span id="L127" class="LineNr">127 </span><span class="PreProc">sig</span> <a href='130emit.subx.html#L10'>emit</a> out: (addr buffered-file), word: (addr slice), width: int
+<span id="L128" class="LineNr">128 </span><span class="muComment">#sig get table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int, abort-message-prefix: (addr array byte) -&gt; _/eax: (addr T)</span>
+<span id="L129" class="LineNr">129 </span><span class="muComment">#sig get-slice table: (addr stream {(handle array byte), T}), key: (addr slice), row-size: int, abort-message-prefix: (addr array byte) -&gt; _/eax: (addr T)</span>
+<span id="L130" class="LineNr">130 </span><span class="muComment">#sig get-or-insert table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int, ad: (addr allocation-descriptor) -&gt; _/eax: (addr T)</span>
+<span id="L131" class="LineNr">131 </span><span class="muComment">#sig get-or-insert-handle table: (addr stream {(handle array byte), T}), key: (handle array byte), row-size: int -&gt; _/eax: (addr T)</span>
+<span id="L132" class="LineNr">132 </span><span class="muComment">#sig get-or-insert-slice table: (addr stream {(handle array byte), T}), key: (addr slice), row-size: int, ad: (addr allocation-descriptor) -&gt; _/eax: (addr T)</span>
+<span id="L133" class="LineNr">133 </span><span class="muComment">#sig get-or-stop table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int</span>
+<span id="L134" class="LineNr">134 </span><span class="muComment">#sig get-slice-or-stop table: (addr stream {(handle array byte), _}), key: (addr slice), row-size: int</span>
+<span id="L135" class="LineNr">135 </span><span class="muComment">#sig maybe-get table: (addr stream {(handle array byte), T}), key: (addr array byte), row-size: int -&gt; _/eax: (addr T)</span>
+<span id="L136" class="LineNr">136 </span><span class="muComment">#sig maybe-get-slice table: (addr stream {(handle array byte), T}), key: (addr slice), row-size: int -&gt; _/eax: (addr T)</span>
+<span id="L137" class="LineNr">137 </span><span class="PreProc">sig</span> <a href='132slurp.subx.html#L8'>slurp</a> f: (addr buffered-file), s: (addr stream byte)
+<span id="L138" class="LineNr">138 </span><span class="PreProc">sig</span> <a href='133subx-widths.subx.html#L11'>compute-width</a> word: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L139" class="LineNr">139 </span><span class="PreProc">sig</span> <a href='133subx-widths.subx.html#L45'>compute-width-of-slice</a> s: (addr slice)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L140" class="LineNr">140 </span><span class="PreProc">sig</span> <a href='134emit-hex-array.subx.html#L7'>emit-hex-array</a> out: (addr buffered-file), arr: (addr array byte)
+<span id="L141" class="LineNr">141 </span><span class="PreProc">sig</span> <a href='135next-word-or-string.subx.html#L8'>next-word-or-string</a> line: (addr stream byte), out: (addr slice)
+<span id="L142" class="LineNr">142 </span><span class="PreProc">sig</span> <a href='202write-int.subx.html#L8'>write-int</a> out: (addr stream byte), n: int
+<span id="L143" class="LineNr">143 </span><span class="muComment">#sig clear-stack s: (addr stack)</span>
+<span id="L144" class="LineNr">144 </span><span class="muComment">#sig push s: (addr stack), n: int</span>
+<span id="L145" class="LineNr">145 </span><span class="muComment">#sig pop s: (addr stack) -&gt; _/eax: int</span>
+<span id="L146" class="LineNr">146 </span><span class="muComment">#sig top s: (addr stack) -&gt; _/eax: int</span>
+<span id="L147" class="LineNr">147 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L5'>array-equal?</a> a: (addr array int), b: (addr array int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L148" class="LineNr">148 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L368'>parse-array-of-ints</a> s: (addr array byte), out: (addr handle array int)
+<span id="L149" class="LineNr">149 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L623'>parse-array-of-decimal-ints</a> s: (addr array byte), out: (addr handle array int)
+<span id="L150" class="LineNr">150 </span><span class="PreProc">sig</span> <a href='301array-equal.subx.html#L382'>check-array-equal</a> a: (addr array int), expected: (addr string), msg: (addr string)
+<span id="L151" class="LineNr">151 </span><span class="muComment">#sig push-n-zero-bytes n: int</span>
+<span id="L152" class="LineNr">152 </span><span class="PreProc">sig</span> <a href='303kernel-string.subx.html#L7'>kernel-string-to-string</a> ad: (addr allocation-descriptor), in: (addr kernel-string), out: (addr handle array byte)
+<span id="L153" class="LineNr">153 </span><span class="PreProc">sig</span> <a href='303kernel-string.subx.html#L57'>kernel-string-length</a> in: (addr kernel-string)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int
+<span id="L154" class="LineNr">154 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L6'>enable-screen-grid-mode</a>
+<span id="L155" class="LineNr">155 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L24'>enable-screen-type-mode</a>
+<span id="L156" class="LineNr">156 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L37'>real-screen-size</a><span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int
+<span id="L157" class="LineNr">157 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L75'>clear-real-screen</a>
+<span id="L158" class="LineNr">158 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L91'>move-cursor-on-real-screen</a> row: int, column: int
+<span id="L159" class="LineNr">159 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L122'>print-string-to-real-screen</a> s: (addr array byte)
+<span id="L160" class="LineNr">160 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L134'>print-slice-to-real-screen</a> s: (addr slice)
+<span id="L161" class="LineNr">161 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L147'>print-stream-to-real-screen</a> s: (addr stream byte)
+<span id="L162" class="LineNr">162 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L161'>print-grapheme-to-real-screen</a> c: grapheme
+<span id="L163" class="LineNr">163 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L226'>print-int32-hex-to-real-screen</a> n: int
+<span id="L164" class="LineNr">164 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L239'>print-int32-hex-bits-to-real-screen</a> n: int, bits: int
+<span id="L165" class="LineNr">165 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L252'>print-int32-decimal-to-real-screen</a> n: int
+<span id="L166" class="LineNr">166 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L265'>write-int32-decimal-buffered</a> f: (addr buffered-file), n: int
+<span id="L167" class="LineNr">167 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L289'>reset-formatting-on-real-screen</a>
+<span id="L168" class="LineNr">168 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L304'>start-color-on-real-screen</a> fg: int, bg: int
+<span id="L169" class="LineNr">169 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L339'>start-bold-on-real-screen</a>
+<span id="L170" class="LineNr">170 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L352'>start-underline-on-real-screen</a>
+<span id="L171" class="LineNr">171 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L365'>start-reverse-video-on-real-screen</a>
+<span id="L172" class="LineNr">172 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L379'>start-blinking-on-real-screen</a>
+<span id="L173" class="LineNr">173 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L392'>hide-cursor-on-real-screen</a>
+<span id="L174" class="LineNr">174 </span><span class="PreProc">sig</span> <a href='304screen.subx.html#L405'>show-cursor-on-real-screen</a>
+<span id="L175" class="LineNr">175 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L6'>enable-keyboard-immediate-mode</a>
+<span id="L176" class="LineNr">176 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L72'>enable-keyboard-type-mode</a>
+<span id="L177" class="LineNr">177 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L132'>read-key-from-real-keyboard</a><span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: grapheme
+<span id="L178" class="LineNr">178 </span><span class="PreProc">sig</span> <a href='305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> out: (addr stream byte)
+<span id="L179" class="LineNr">179 </span><span class="PreProc">sig</span> <a href='306files.subx.html#L12'>open</a> filename: (addr array byte), write?: boolean, out: (addr handle buffered-file)
+<span id="L180" class="LineNr">180 </span><span class="PreProc">sig</span> <a href='306files.subx.html#L89'>populate-buffered-file-containing</a> contents: (addr array byte), out: (addr handle buffered-file)
+<span id="L181" class="LineNr">181 </span><span class="PreProc">sig</span> <a href='306files.subx.html#L135'>new-buffered-file</a> out: (addr handle buffered-file)
+<span id="L182" class="LineNr">182 </span><span class="muComment">#sig size in: (addr array _) -&gt; _/eax: int</span>
+<span id="L183" class="LineNr">183 </span>
+<span id="L184" class="LineNr">184 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L185" class="LineNr">185 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L30'>stream-full?</a> s: (addr stream _)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean
+<span id="L186" class="LineNr">186 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L60'>stream-to-array</a> in: (addr stream _), out: (addr handle array _)
+<span id="L187" class="LineNr">187 </span><span class="PreProc">sig</span> <a href='310copy-bytes.subx.html#L120'>unquote-stream-to-array</a> in: (addr stream _), out: (addr handle array _)
+<span id="L188" class="LineNr">188 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L160'>stream-first</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
+<span id="L189" class="LineNr">189 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L187'>stream-final</a> s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: byte
+<span id="L190" class="LineNr">190 </span>
+<span id="L191" class="LineNr">191 </span><span class="muComment">#sig copy-bytes src: (addr byte), dest: (addr byte), n: int</span>
+<span id="L192" class="LineNr">192 </span><span class="PreProc">sig</span> <a href='312copy.subx.html#L3'>copy-array-object</a> src: (addr array _), dest-ah: (addr handle array _)
+<span id="L193" class="LineNr">193 </span><span class="PreProc">sig</span> <a href='312copy.subx.html#L17'>copy-file</a> src: (addr buffered-file), dest-ah: (addr handle buffered-file), filename: (addr array byte)
+<span id="L194" class="LineNr">194 </span>
+<span id="L195" class="LineNr">195 </span><span class="PreProc">sig</span> <a href='314divide.subx.html#L3'>integer-divide</a> a: int, b: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">edx</span>: int
 </pre>
 </body>
 </html>
diff --git a/html/apps/advent2020/4a.mu.html b/html/apps/advent2020/4a.mu.html
new file mode 100644
index 00000000..95dd953a
--- /dev/null
+++ b/html/apps/advent2020/4a.mu.html
@@ -0,0 +1,137 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - apps/advent2020/4a.mu</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal-light">
+<style type="text/css">
+<!--
+pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; }
+body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
+a { color:inherit; }
+* { font-size:12pt; font-size: 1em; }
+.muComment { color: #005faf; }
+.LineNr { }
+.SpecialChar { color: #d70000; }
+.Constant { color: #008787; }
+.muFunction { color: #af5f00; text-decoration: underline; }
+.Delimiter { color: #c000c0; }
+.PreProc { color: #c000c0; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
+
+/* function to open any folds containing a jumped-to line before jumping to it */
+function JumpToLine()
+{
+  var lineNum;
+  lineNum = window.location.hash;
+  lineNum = lineNum.substr(1); /* strip off '#' */
+
+  if (lineNum.indexOf('L') == -1) {
+    lineNum = 'L'+lineNum;
+  }
+  var lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
+  }
+  return true;
+}
+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
+}
+
+-->
+</script>
+</head>
+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/master/apps/advent2020/4a.mu'>https://github.com/akkartik/mu/blob/master/apps/advent2020/4a.mu</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="muComment"># <a href="https://adventofcode.com/2020/day/4">https://adventofcode.com/2020/day/4</a></span>
+<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span>
+<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To run (on Linux):</span>
+<span id="L4" class="LineNr"> 4 </span><span class="muComment">#   $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a></span>
+<span id="L5" class="LineNr"> 5 </span><span class="muComment">#   $ cd mu</span>
+<span id="L6" class="LineNr"> 6 </span><span class="muComment">#   $ ./translate_mu apps/advent2020/4a.mu</span>
+<span id="L7" class="LineNr"> 7 </span><span class="muComment">#   $ ./a.elf &lt; input</span>
+<span id="L8" class="LineNr"> 8 </span><span class="muComment">#</span>
+<span id="L9" class="LineNr"> 9 </span><span class="muComment"># You'll need to register to download the 'input' file for yourself.</span>
+<span id="L10" class="LineNr">10 </span>
+<span id="L11" class="LineNr">11 </span><span class="PreProc">fn</span> <span class="muFunction">main</span><span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span>
+<span id="L12" class="LineNr">12 </span>  <span class="PreProc">var</span> curr-passport-field-count/<span class="Constant">esi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L13" class="LineNr">13 </span>  <span class="PreProc">var</span> valid-passport-count/<span class="Constant">edi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L14" class="LineNr">14 </span>  <span class="PreProc">var</span> line-storage: (stream byte <span class="Constant">0x100</span>)  <span class="muComment"># 256 bytes</span>
+<span id="L15" class="LineNr">15 </span>  <span class="PreProc">var</span> line/<span class="Constant">ecx</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address line-storage
+<span id="L16" class="LineNr">16 </span>  <span class="PreProc">var</span> slice-storage: slice
+<span id="L17" class="LineNr">17 </span>  <span class="PreProc">var</span> slice/<span class="Constant">edx</span>: (addr slice) <span class="SpecialChar">&lt;-</span> address slice-storage
+<span id="L18" class="LineNr">18 </span>  $main:line-loop: <span class="Delimiter">{</span>
+<span id="L19" class="LineNr">19 </span>    <span class="muComment"># read line from stdin</span>
+<span id="L20" class="LineNr">20 </span>    <a href='../../106stream.subx.html#L17'>clear-stream</a> line
+<span id="L21" class="LineNr">21 </span>    <a href='../../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> line
+<span id="L22" class="LineNr">22 </span>    <span class="muComment"># if line is empty (not even a newline), quit</span>
+<span id="L23" class="LineNr">23 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> line
+<span id="L24" class="LineNr">24 </span>    compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L25" class="LineNr">25 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L26" class="LineNr">26 </span>    <a href='../../304screen.subx.html#L147'>print-stream-to-real-screen</a> line
+<span id="L27" class="LineNr">27 </span>    <span class="muComment"># if line has just a newline, process passport</span>
+<span id="L28" class="LineNr">28 </span>    <a href='../../124next-token.subx.html#L464'>skip-chars-matching-whitespace</a> line
+<span id="L29" class="LineNr">29 </span>    <span class="PreProc">var</span> new-passport?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> line
+<span id="L30" class="LineNr">30 </span>    <span class="Delimiter">{</span>
+<span id="L31" class="LineNr">31 </span>      compare new-passport?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L32" class="LineNr">32 </span>      <span class="PreProc">break-if-=</span>
+<span id="L33" class="LineNr">33 </span>      compare curr-passport-field-count, <span class="Constant">7</span>
+<span id="L34" class="LineNr">34 </span>      <span class="Delimiter">{</span>
+<span id="L35" class="LineNr">35 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L36" class="LineNr">36 </span>        valid-passport-count <span class="SpecialChar">&lt;-</span> increment
+<span id="L37" class="LineNr">37 </span>        <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L38" class="LineNr">38 </span>        <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, valid-passport-count
+<span id="L39" class="LineNr">39 </span>        <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L40" class="LineNr">40 </span>      <span class="Delimiter">}</span>
+<span id="L41" class="LineNr">41 </span>      curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L42" class="LineNr">42 </span>      <span class="PreProc">loop</span> $main:line-loop
+<span id="L43" class="LineNr">43 </span>    <span class="Delimiter">}</span>
+<span id="L44" class="LineNr">44 </span>    $main:word-loop: <span class="Delimiter">{</span>
+<span id="L45" class="LineNr">45 </span>      <a href='../../127next-word.subx.html#L11'>next-word</a> line, slice
+<span id="L46" class="LineNr">46 </span>      <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L9'>slice-empty?</a> slice
+<span id="L47" class="LineNr">47 </span>      compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L48" class="LineNr">48 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L49" class="LineNr">49 </span>      <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;  &quot;</span>
+<span id="L50" class="LineNr">50 </span>      <a href='../../304screen.subx.html#L134'>print-slice-to-real-screen</a> slice
+<span id="L51" class="LineNr">51 </span>      <span class="muComment"># treat cid as optional</span>
+<span id="L52" class="LineNr">52 </span>      <span class="PreProc">var</span> optional?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L487'>slice-starts-with?</a> slice, <span class="Constant">&quot;cid:&quot;</span>
+<span id="L53" class="LineNr">53 </span>      compare optional?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L54" class="LineNr">54 </span>      <span class="Delimiter">{</span>
+<span id="L55" class="LineNr">55 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L56" class="LineNr">56 </span>        <span class="muComment"># otherwise assume there are no invalid fields and no duplicate fields</span>
+<span id="L57" class="LineNr">57 </span>        curr-passport-field-count <span class="SpecialChar">&lt;-</span> increment
+<span id="L58" class="LineNr">58 </span>        <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot; =&gt; &quot;</span>
+<span id="L59" class="LineNr">59 </span>        <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, curr-passport-field-count
+<span id="L60" class="LineNr">60 </span>      <span class="Delimiter">}</span>
+<span id="L61" class="LineNr">61 </span>      <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L62" class="LineNr">62 </span>      <span class="PreProc">loop</span>
+<span id="L63" class="LineNr">63 </span>    <span class="Delimiter">}</span>
+<span id="L64" class="LineNr">64 </span>    <span class="PreProc">loop</span>
+<span id="L65" class="LineNr">65 </span>  <span class="Delimiter">}</span>
+<span id="L66" class="LineNr">66 </span>  <span class="muComment"># process final passport</span>
+<span id="L67" class="LineNr">67 </span>  compare curr-passport-field-count, <span class="Constant">7</span>
+<span id="L68" class="LineNr">68 </span>  <span class="Delimiter">{</span>
+<span id="L69" class="LineNr">69 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L70" class="LineNr">70 </span>    valid-passport-count <span class="SpecialChar">&lt;-</span> increment
+<span id="L71" class="LineNr">71 </span>  <span class="Delimiter">}</span>
+<span id="L72" class="LineNr">72 </span>  <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, valid-passport-count
+<span id="L73" class="LineNr">73 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L74" class="LineNr">74 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>
+<span id="L75" class="LineNr">75 </span><span class="Delimiter">}</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/html/apps/advent2020/4b.mu.html b/html/apps/advent2020/4b.mu.html
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+++ b/html/apps/advent2020/4b.mu.html
@@ -0,0 +1,376 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - apps/advent2020/4b.mu</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
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+* { font-size:12pt; font-size: 1em; }
+.muComment { color: #005faf; }
+.LineNr { }
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+.muFunction { color: #af5f00; text-decoration: underline; }
+.Delimiter { color: #c000c0; }
+.PreProc { color: #c000c0; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
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+    lineNum = 'L'+lineNum;
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+  var lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
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+  return true;
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+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
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+-->
+</script>
+</head>
+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/master/apps/advent2020/4b.mu'>https://github.com/akkartik/mu/blob/master/apps/advent2020/4b.mu</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr">  1 </span><span class="muComment"># <a href="https://adventofcode.com/2020/day/4">https://adventofcode.com/2020/day/4</a></span>
+<span id="L2" class="LineNr">  2 </span><span class="muComment">#</span>
+<span id="L3" class="LineNr">  3 </span><span class="muComment"># To run (on Linux):</span>
+<span id="L4" class="LineNr">  4 </span><span class="muComment">#   $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a></span>
+<span id="L5" class="LineNr">  5 </span><span class="muComment">#   $ cd mu</span>
+<span id="L6" class="LineNr">  6 </span><span class="muComment">#   $ ./translate_mu apps/advent2020/4b.mu</span>
+<span id="L7" class="LineNr">  7 </span><span class="muComment">#   $ ./a.elf &lt; input</span>
+<span id="L8" class="LineNr">  8 </span><span class="muComment">#</span>
+<span id="L9" class="LineNr">  9 </span><span class="muComment"># You'll need to register to download the 'input' file for yourself.</span>
+<span id="L10" class="LineNr"> 10 </span>
+<span id="L11" class="LineNr"> 11 </span><span class="PreProc">fn</span> <span class="muFunction">main</span><span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span>
+<span id="L12" class="LineNr"> 12 </span>  <span class="PreProc">var</span> curr-passport-field-count/<span class="Constant">esi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L13" class="LineNr"> 13 </span>  <span class="PreProc">var</span> valid-passport-count/<span class="Constant">edi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L14" class="LineNr"> 14 </span>  <span class="PreProc">var</span> line-storage: (stream byte <span class="Constant">0x100</span>)  <span class="muComment"># 256 bytes</span>
+<span id="L15" class="LineNr"> 15 </span>  <span class="PreProc">var</span> line/<span class="Constant">ecx</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address line-storage
+<span id="L16" class="LineNr"> 16 </span>  <span class="PreProc">var</span> key-slice-storage: slice
+<span id="L17" class="LineNr"> 17 </span>  <span class="PreProc">var</span> key-slice/<span class="Constant">edx</span>: (addr slice) <span class="SpecialChar">&lt;-</span> address key-slice-storage
+<span id="L18" class="LineNr"> 18 </span>  <span class="PreProc">var</span> val-slice-storage: slice
+<span id="L19" class="LineNr"> 19 </span>  <span class="PreProc">var</span> val-slice/<span class="Constant">ebx</span>: (addr slice) <span class="SpecialChar">&lt;-</span> address val-slice-storage
+<span id="L20" class="LineNr"> 20 </span>  $main:line-loop: <span class="Delimiter">{</span>
+<span id="L21" class="LineNr"> 21 </span>    <span class="muComment"># read line from stdin</span>
+<span id="L22" class="LineNr"> 22 </span>    <a href='../../106stream.subx.html#L17'>clear-stream</a> line
+<span id="L23" class="LineNr"> 23 </span>    <a href='../../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> line
+<span id="L24" class="LineNr"> 24 </span>    <span class="muComment"># if line is empty (not even a newline), quit</span>
+<span id="L25" class="LineNr"> 25 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> line
+<span id="L26" class="LineNr"> 26 </span>    compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L27" class="LineNr"> 27 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L28" class="LineNr"> 28 </span>    <a href='../../304screen.subx.html#L147'>print-stream-to-real-screen</a> line
+<span id="L29" class="LineNr"> 29 </span>    <span class="muComment"># if line has just a newline, process passport</span>
+<span id="L30" class="LineNr"> 30 </span>    <a href='../../124next-token.subx.html#L464'>skip-chars-matching-whitespace</a> line
+<span id="L31" class="LineNr"> 31 </span>    <span class="PreProc">var</span> new-passport?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> line
+<span id="L32" class="LineNr"> 32 </span>    <span class="Delimiter">{</span>
+<span id="L33" class="LineNr"> 33 </span>      compare new-passport?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L34" class="LineNr"> 34 </span>      <span class="PreProc">break-if-=</span>
+<span id="L35" class="LineNr"> 35 </span>      compare curr-passport-field-count, <span class="Constant">7</span>
+<span id="L36" class="LineNr"> 36 </span>      <span class="Delimiter">{</span>
+<span id="L37" class="LineNr"> 37 </span>        <span class="PreProc">break-if-!=</span>
+<span id="L38" class="LineNr"> 38 </span>        valid-passport-count <span class="SpecialChar">&lt;-</span> increment
+<span id="L39" class="LineNr"> 39 </span>        <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;=&gt; &quot;</span>
+<span id="L40" class="LineNr"> 40 </span>        <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, valid-passport-count
+<span id="L41" class="LineNr"> 41 </span>        <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L42" class="LineNr"> 42 </span>      <span class="Delimiter">}</span>
+<span id="L43" class="LineNr"> 43 </span>      curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L44" class="LineNr"> 44 </span>      <span class="PreProc">loop</span> $main:line-loop
+<span id="L45" class="LineNr"> 45 </span>    <span class="Delimiter">}</span>
+<span id="L46" class="LineNr"> 46 </span>    $main:word-loop: <span class="Delimiter">{</span>
+<span id="L47" class="LineNr"> 47 </span>      <a href='../../124next-token.subx.html#L464'>skip-chars-matching-whitespace</a> line
+<span id="L48" class="LineNr"> 48 </span>      <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> line
+<span id="L49" class="LineNr"> 49 </span>      compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L50" class="LineNr"> 50 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L51" class="LineNr"> 51 </span>      <a href='../../124next-token.subx.html#L10'>next-token</a> line, <span class="Constant">0x3a</span>, key-slice  <span class="muComment"># ':'</span>
+<span id="L52" class="LineNr"> 52 </span>      <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: byte <span class="SpecialChar">&lt;-</span> <a href='../../112read-byte.subx.html#L273'>read-byte</a> line  <span class="muComment"># skip ':'</span>
+<span id="L53" class="LineNr"> 53 </span>      <a href='../../127next-word.subx.html#L306'>next-raw-word</a> line, val-slice
+<span id="L54" class="LineNr"> 54 </span>      <a href='../../304screen.subx.html#L134'>print-slice-to-real-screen</a> key-slice
+<span id="L55" class="LineNr"> 55 </span>      <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot; : &quot;</span>
+<span id="L56" class="LineNr"> 56 </span>      <a href='../../304screen.subx.html#L134'>print-slice-to-real-screen</a> val-slice
+<span id="L57" class="LineNr"> 57 </span>      <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L58" class="LineNr"> 58 </span>      <span class="muComment"># treat cid as optional</span>
+<span id="L59" class="LineNr"> 59 </span>      <span class="PreProc">var</span> cid?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;cid&quot;</span>
+<span id="L60" class="LineNr"> 60 </span>      compare cid?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L61" class="LineNr"> 61 </span>      <span class="PreProc">loop-if-!=</span>
+<span id="L62" class="LineNr"> 62 </span>      <span class="muComment"># increment field count</span>
+<span id="L63" class="LineNr"> 63 </span>      curr-passport-field-count <span class="SpecialChar">&lt;-</span> increment
+<span id="L64" class="LineNr"> 64 </span>      <span class="muComment"># - validate fields one by one, setting curr-passport-field-count to impossibly high value to signal invalid</span>
+<span id="L65" class="LineNr"> 65 </span>      <span class="muComment"># byr</span>
+<span id="L66" class="LineNr"> 66 </span>      <span class="Delimiter">{</span>
+<span id="L67" class="LineNr"> 67 </span>        <span class="PreProc">var</span> byr?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;byr&quot;</span>
+<span id="L68" class="LineNr"> 68 </span>        compare byr?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L69" class="LineNr"> 69 </span>        <span class="PreProc">break-if-=</span>
+<span id="L70" class="LineNr"> 70 </span>        <span class="muComment"># 1920 &lt;= byr &lt;= 2002</span>
+<span id="L71" class="LineNr"> 71 </span>        <span class="PreProc">var</span> byr/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> val-slice
+<span id="L72" class="LineNr"> 72 </span>        compare byr, <span class="Constant">0x780</span>  <span class="muComment"># 1920</span>
+<span id="L73" class="LineNr"> 73 </span>        <span class="Delimiter">{</span>
+<span id="L74" class="LineNr"> 74 </span>          <span class="PreProc">break-if-&gt;=</span>
+<span id="L75" class="LineNr"> 75 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L76" class="LineNr"> 76 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L77" class="LineNr"> 77 </span>        <span class="Delimiter">}</span>
+<span id="L78" class="LineNr"> 78 </span>        compare byr, <span class="Constant">0x7d2</span>  <span class="muComment"># 2002</span>
+<span id="L79" class="LineNr"> 79 </span>        <span class="Delimiter">{</span>
+<span id="L80" class="LineNr"> 80 </span>          <span class="PreProc">break-if-&lt;=</span>
+<span id="L81" class="LineNr"> 81 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L82" class="LineNr"> 82 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L83" class="LineNr"> 83 </span>        <span class="Delimiter">}</span>
+<span id="L84" class="LineNr"> 84 </span>      <span class="Delimiter">}</span>
+<span id="L85" class="LineNr"> 85 </span>      <span class="muComment"># iyr</span>
+<span id="L86" class="LineNr"> 86 </span>      <span class="Delimiter">{</span>
+<span id="L87" class="LineNr"> 87 </span>        <span class="PreProc">var</span> iyr?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;iyr&quot;</span>
+<span id="L88" class="LineNr"> 88 </span>        compare iyr?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L89" class="LineNr"> 89 </span>        <span class="PreProc">break-if-=</span>
+<span id="L90" class="LineNr"> 90 </span>        <span class="muComment"># 2010 &lt;= iyr &lt;= 2020</span>
+<span id="L91" class="LineNr"> 91 </span>        <span class="PreProc">var</span> iyr/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> val-slice
+<span id="L92" class="LineNr"> 92 </span>        compare iyr, <span class="Constant">0x7da</span>  <span class="muComment"># 2010</span>
+<span id="L93" class="LineNr"> 93 </span>        <span class="Delimiter">{</span>
+<span id="L94" class="LineNr"> 94 </span>          <span class="PreProc">break-if-&gt;=</span>
+<span id="L95" class="LineNr"> 95 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L96" class="LineNr"> 96 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L97" class="LineNr"> 97 </span>        <span class="Delimiter">}</span>
+<span id="L98" class="LineNr"> 98 </span>        compare iyr, <span class="Constant">0x7e4</span>  <span class="muComment"># 2020</span>
+<span id="L99" class="LineNr"> 99 </span>        <span class="Delimiter">{</span>
+<span id="L100" class="LineNr">100 </span>          <span class="PreProc">break-if-&lt;=</span>
+<span id="L101" class="LineNr">101 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L102" class="LineNr">102 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L103" class="LineNr">103 </span>        <span class="Delimiter">}</span>
+<span id="L104" class="LineNr">104 </span>      <span class="Delimiter">}</span>
+<span id="L105" class="LineNr">105 </span>      <span class="muComment"># eyr</span>
+<span id="L106" class="LineNr">106 </span>      <span class="Delimiter">{</span>
+<span id="L107" class="LineNr">107 </span>        <span class="PreProc">var</span> eyr?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;eyr&quot;</span>
+<span id="L108" class="LineNr">108 </span>        compare eyr?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L109" class="LineNr">109 </span>        <span class="PreProc">break-if-=</span>
+<span id="L110" class="LineNr">110 </span>        <span class="muComment"># 2020 &lt;= eyr &lt;= 2030</span>
+<span id="L111" class="LineNr">111 </span>        <span class="PreProc">var</span> eyr/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> val-slice
+<span id="L112" class="LineNr">112 </span>        compare eyr, <span class="Constant">0x7e4</span>  <span class="muComment"># 2020</span>
+<span id="L113" class="LineNr">113 </span>        <span class="Delimiter">{</span>
+<span id="L114" class="LineNr">114 </span>          <span class="PreProc">break-if-&gt;=</span>
+<span id="L115" class="LineNr">115 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L116" class="LineNr">116 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L117" class="LineNr">117 </span>        <span class="Delimiter">}</span>
+<span id="L118" class="LineNr">118 </span>        compare eyr, <span class="Constant">0x7ee</span>  <span class="muComment"># 2030</span>
+<span id="L119" class="LineNr">119 </span>        <span class="Delimiter">{</span>
+<span id="L120" class="LineNr">120 </span>          <span class="PreProc">break-if-&lt;=</span>
+<span id="L121" class="LineNr">121 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L122" class="LineNr">122 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L123" class="LineNr">123 </span>        <span class="Delimiter">}</span>
+<span id="L124" class="LineNr">124 </span>      <span class="Delimiter">}</span>
+<span id="L125" class="LineNr">125 </span>      <span class="muComment"># hgt</span>
+<span id="L126" class="LineNr">126 </span>      <span class="Delimiter">{</span>
+<span id="L127" class="LineNr">127 </span>        <span class="PreProc">var</span> hgt?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;hgt&quot;</span>
+<span id="L128" class="LineNr">128 </span>        compare hgt?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L129" class="LineNr">129 </span>        <span class="PreProc">break-if-=</span>
+<span id="L130" class="LineNr">130 </span>        <span class="muComment"># convert val</span>
+<span id="L131" class="LineNr">131 </span>        <span class="PreProc">var</span> s: (handle array byte)
+<span id="L132" class="LineNr">132 </span>        <span class="PreProc">var</span> s2/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address s
+<span id="L133" class="LineNr">133 </span>        <a href='../../315slice.subx.html#L5'>_slice-to-string</a> val-slice, s2
+<span id="L134" class="LineNr">134 </span>        <span class="PreProc">var</span> s3/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *s2
+<span id="L135" class="LineNr">135 </span>        <span class="PreProc">var</span> s4/<span class="Constant">ebx</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> copy s3
+<span id="L136" class="LineNr">136 </span>        <span class="muComment"># check suffix</span>
+<span id="L137" class="LineNr">137 </span>        <span class="PreProc">var</span> start/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> length s4
+<span id="L138" class="LineNr">138 </span>        start <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">2</span>  <span class="muComment"># luckily both 'in' and 'cm' have the same length</span>
+<span id="L139" class="LineNr">139 </span>        <span class="Delimiter">{</span>
+<span id="L140" class="LineNr">140 </span>          <span class="PreProc">var</span> suffix-h: (handle array byte)
+<span id="L141" class="LineNr">141 </span>          <span class="PreProc">var</span> suffix-ah/<span class="Constant">ecx</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address suffix-h
+<span id="L142" class="LineNr">142 </span>          <a href='../../411string.mu.html#L2'>substring</a> s4, start, <span class="Constant">2</span>, suffix-ah
+<span id="L143" class="LineNr">143 </span>          <span class="PreProc">var</span> suffix/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *suffix-ah
+<span id="L144" class="LineNr">144 </span>          <span class="Delimiter">{</span>
+<span id="L145" class="LineNr">145 </span>            <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../105string-equal.subx.html#L15'>string-equal?</a> suffix, <span class="Constant">&quot;in&quot;</span>
+<span id="L146" class="LineNr">146 </span>            compare match?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L147" class="LineNr">147 </span>            <span class="PreProc">break-if-=</span>
+<span id="L148" class="LineNr">148 </span>            <span class="muComment"># if suffix is &quot;in&quot;, 59 &lt;= val &lt;= 96</span>
+<span id="L149" class="LineNr">149 </span>            <span class="PreProc">var</span> num-h: (handle array byte)
+<span id="L150" class="LineNr">150 </span>            <span class="PreProc">var</span> num-ah/<span class="Constant">ecx</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address num-h
+<span id="L151" class="LineNr">151 </span>            <a href='../../411string.mu.html#L2'>substring</a> s4, <span class="Constant">0</span>, start, num-ah
+<span id="L152" class="LineNr">152 </span>            <span class="PreProc">var</span> num/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *num-ah
+<span id="L153" class="LineNr">153 </span>            <span class="PreProc">var</span> val/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../311decimal-int.subx.html#L23'>parse-decimal-int</a> num
+<span id="L154" class="LineNr">154 </span>            compare val, <span class="Constant">0x3b</span>  <span class="muComment"># 59</span>
+<span id="L155" class="LineNr">155 </span>            <span class="Delimiter">{</span>
+<span id="L156" class="LineNr">156 </span>              <span class="PreProc">break-if-&gt;=</span>
+<span id="L157" class="LineNr">157 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L158" class="LineNr">158 </span>              curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L159" class="LineNr">159 </span>            <span class="Delimiter">}</span>
+<span id="L160" class="LineNr">160 </span>            compare val, <span class="Constant">0x60</span>  <span class="muComment"># 96</span>
+<span id="L161" class="LineNr">161 </span>            <span class="Delimiter">{</span>
+<span id="L162" class="LineNr">162 </span>              <span class="PreProc">break-if-&lt;=</span>
+<span id="L163" class="LineNr">163 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L164" class="LineNr">164 </span>              curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L165" class="LineNr">165 </span>            <span class="Delimiter">}</span>
+<span id="L166" class="LineNr">166 </span>            <span class="PreProc">loop</span> $main:word-loop
+<span id="L167" class="LineNr">167 </span>          <span class="Delimiter">}</span>
+<span id="L168" class="LineNr">168 </span>          <span class="Delimiter">{</span>
+<span id="L169" class="LineNr">169 </span>            <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../105string-equal.subx.html#L15'>string-equal?</a> suffix, <span class="Constant">&quot;cm&quot;</span>
+<span id="L170" class="LineNr">170 </span>            compare match?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L171" class="LineNr">171 </span>            <span class="PreProc">break-if-=</span>
+<span id="L172" class="LineNr">172 </span>            <span class="muComment"># if suffix is &quot;cm&quot;, 150 &lt;= val &lt;= 193</span>
+<span id="L173" class="LineNr">173 </span>            <span class="PreProc">var</span> num-h: (handle array byte)
+<span id="L174" class="LineNr">174 </span>            <span class="PreProc">var</span> num-ah/<span class="Constant">ecx</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address num-h
+<span id="L175" class="LineNr">175 </span>            <a href='../../411string.mu.html#L2'>substring</a> s4, <span class="Constant">0</span>, start, num-ah
+<span id="L176" class="LineNr">176 </span>            <span class="PreProc">var</span> num/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *num-ah
+<span id="L177" class="LineNr">177 </span>            <span class="PreProc">var</span> val/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../311decimal-int.subx.html#L23'>parse-decimal-int</a> num
+<span id="L178" class="LineNr">178 </span>            compare val, <span class="Constant">0x96</span>  <span class="muComment"># 150</span>
+<span id="L179" class="LineNr">179 </span>            <span class="Delimiter">{</span>
+<span id="L180" class="LineNr">180 </span>              <span class="PreProc">break-if-&gt;=</span>
+<span id="L181" class="LineNr">181 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L182" class="LineNr">182 </span>              curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L183" class="LineNr">183 </span>            <span class="Delimiter">}</span>
+<span id="L184" class="LineNr">184 </span>            compare val, <span class="Constant">0xc1</span>  <span class="muComment"># 193</span>
+<span id="L185" class="LineNr">185 </span>            <span class="Delimiter">{</span>
+<span id="L186" class="LineNr">186 </span>              <span class="PreProc">break-if-&lt;=</span>
+<span id="L187" class="LineNr">187 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L188" class="LineNr">188 </span>              curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L189" class="LineNr">189 </span>            <span class="Delimiter">}</span>
+<span id="L190" class="LineNr">190 </span>            <span class="PreProc">loop</span> $main:word-loop
+<span id="L191" class="LineNr">191 </span>          <span class="Delimiter">}</span>
+<span id="L192" class="LineNr">192 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L193" class="LineNr">193 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L194" class="LineNr">194 </span>          <span class="PreProc">loop</span> $main:word-loop
+<span id="L195" class="LineNr">195 </span>        <span class="Delimiter">}</span>
+<span id="L196" class="LineNr">196 </span>      <span class="Delimiter">}</span>
+<span id="L197" class="LineNr">197 </span>      <span class="muComment"># hcl</span>
+<span id="L198" class="LineNr">198 </span>      <span class="Delimiter">{</span>
+<span id="L199" class="LineNr">199 </span>        <span class="PreProc">var</span> hcl?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;hcl&quot;</span>
+<span id="L200" class="LineNr">200 </span>        compare hcl?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L201" class="LineNr">201 </span>        <span class="PreProc">break-if-=</span>
+<span id="L202" class="LineNr">202 </span>        <span class="muComment"># convert val</span>
+<span id="L203" class="LineNr">203 </span>        <span class="PreProc">var</span> s: (handle array byte)
+<span id="L204" class="LineNr">204 </span>        <span class="PreProc">var</span> s2/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address s
+<span id="L205" class="LineNr">205 </span>        <a href='../../315slice.subx.html#L5'>_slice-to-string</a> val-slice, s2
+<span id="L206" class="LineNr">206 </span>        <span class="PreProc">var</span> s3/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *s2
+<span id="L207" class="LineNr">207 </span>        <span class="muComment"># check length</span>
+<span id="L208" class="LineNr">208 </span>        <span class="PreProc">var</span> len/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> length s3
+<span id="L209" class="LineNr">209 </span>        compare len, <span class="Constant">7</span>
+<span id="L210" class="LineNr">210 </span>        <span class="Delimiter">{</span>
+<span id="L211" class="LineNr">211 </span>          <span class="PreProc">break-if-=</span>
+<span id="L212" class="LineNr">212 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L213" class="LineNr">213 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L214" class="LineNr">214 </span>          <span class="PreProc">loop</span> $main:word-loop
+<span id="L215" class="LineNr">215 </span>        <span class="Delimiter">}</span>
+<span id="L216" class="LineNr">216 </span>        <span class="muComment"># check first byte</span>
+<span id="L217" class="LineNr">217 </span>        <span class="Delimiter">{</span>
+<span id="L218" class="LineNr">218 </span>          <span class="PreProc">var</span> c/<span class="Constant">eax</span>: (addr byte) <span class="SpecialChar">&lt;-</span> index s3, <span class="Constant">0</span>
+<span id="L219" class="LineNr">219 </span>          <span class="PreProc">var</span> c2/<span class="Constant">eax</span>: byte <span class="SpecialChar">&lt;-</span> copy-byte *c
+<span id="L220" class="LineNr">220 </span>          compare c2, <span class="Constant">0x23</span>  <span class="muComment"># '#'</span>
+<span id="L221" class="LineNr">221 </span>          <span class="PreProc">break-if-=</span>
+<span id="L222" class="LineNr">222 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid2\n&quot;</span>
+<span id="L223" class="LineNr">223 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L224" class="LineNr">224 </span>          <span class="PreProc">loop</span> $main:word-loop
+<span id="L225" class="LineNr">225 </span>        <span class="Delimiter">}</span>
+<span id="L226" class="LineNr">226 </span>        <span class="muComment"># check remaining bytes</span>
+<span id="L227" class="LineNr">227 </span>        <span class="PreProc">var</span> i/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>  <span class="muComment"># skip 0</span>
+<span id="L228" class="LineNr">228 </span>        <span class="Delimiter">{</span>
+<span id="L229" class="LineNr">229 </span>          compare i, <span class="Constant">7</span>
+<span id="L230" class="LineNr">230 </span>          <span class="PreProc">break-if-&gt;=</span>
+<span id="L231" class="LineNr">231 </span>          <span class="PreProc">var</span> c/<span class="Constant">eax</span>: (addr byte) <span class="SpecialChar">&lt;-</span> index s3, i
+<span id="L232" class="LineNr">232 </span>          <span class="Delimiter">{</span>
+<span id="L233" class="LineNr">233 </span>            <span class="PreProc">var</span> c2/<span class="Constant">eax</span>: byte <span class="SpecialChar">&lt;-</span> copy-byte *c
+<span id="L234" class="LineNr">234 </span>            <span class="PreProc">var</span> valid?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../118parse-hex-int.subx.html#L701'>is-hex-digit?</a> c2
+<span id="L235" class="LineNr">235 </span>            compare valid?, <span class="Constant">0</span>
+<span id="L236" class="LineNr">236 </span>            <span class="PreProc">loop-if-=</span> $main:word-loop
+<span id="L237" class="LineNr">237 </span>          <span class="Delimiter">}</span>
+<span id="L238" class="LineNr">238 </span>          i <span class="SpecialChar">&lt;-</span> increment
+<span id="L239" class="LineNr">239 </span>          <span class="PreProc">loop</span>
+<span id="L240" class="LineNr">240 </span>        <span class="Delimiter">}</span>
+<span id="L241" class="LineNr">241 </span>      <span class="Delimiter">}</span>
+<span id="L242" class="LineNr">242 </span>      <span class="muComment"># ecl</span>
+<span id="L243" class="LineNr">243 </span>      <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>        <span class="PreProc">var</span> ecl?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;ecl&quot;</span>
+<span id="L245" class="LineNr">245 </span>        compare ecl?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L246" class="LineNr">246 </span>        <span class="PreProc">break-if-=</span>
+<span id="L247" class="LineNr">247 </span>        <span class="PreProc">var</span> amb?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> val-slice, <span class="Constant">&quot;amb&quot;</span>
+<span id="L248" class="LineNr">248 </span>        compare amb?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L249" class="LineNr">249 </span>        <span class="PreProc">loop-if-!=</span> $main:word-loop
+<span id="L250" class="LineNr">250 </span>        <span class="PreProc">var</span> blu?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> val-slice, <span class="Constant">&quot;blu&quot;</span>
+<span id="L251" class="LineNr">251 </span>        compare blu?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L252" class="LineNr">252 </span>        <span class="PreProc">loop-if-!=</span> $main:word-loop
+<span id="L253" class="LineNr">253 </span>        <span class="PreProc">var</span> brn?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> val-slice, <span class="Constant">&quot;brn&quot;</span>
+<span id="L254" class="LineNr">254 </span>        compare brn?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L255" class="LineNr">255 </span>        <span class="PreProc">loop-if-!=</span> $main:word-loop
+<span id="L256" class="LineNr">256 </span>        <span class="PreProc">var</span> gry?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> val-slice, <span class="Constant">&quot;gry&quot;</span>
+<span id="L257" class="LineNr">257 </span>        compare gry?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L258" class="LineNr">258 </span>        <span class="PreProc">loop-if-!=</span> $main:word-loop
+<span id="L259" class="LineNr">259 </span>        <span class="PreProc">var</span> grn?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> val-slice, <span class="Constant">&quot;grn&quot;</span>
+<span id="L260" class="LineNr">260 </span>        compare grn?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L261" class="LineNr">261 </span>        <span class="PreProc">loop-if-!=</span> $main:word-loop
+<span id="L262" class="LineNr">262 </span>        <span class="PreProc">var</span> hzl?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> val-slice, <span class="Constant">&quot;hzl&quot;</span>
+<span id="L263" class="LineNr">263 </span>        compare hzl?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L264" class="LineNr">264 </span>        <span class="PreProc">loop-if-!=</span> $main:word-loop
+<span id="L265" class="LineNr">265 </span>        <span class="PreProc">var</span> oth?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> val-slice, <span class="Constant">&quot;oth&quot;</span>
+<span id="L266" class="LineNr">266 </span>        compare oth?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L267" class="LineNr">267 </span>        <span class="PreProc">loop-if-!=</span> $main:word-loop
+<span id="L268" class="LineNr">268 </span>        <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L269" class="LineNr">269 </span>        curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L270" class="LineNr">270 </span>      <span class="Delimiter">}</span>
+<span id="L271" class="LineNr">271 </span>      <span class="muComment"># pid</span>
+<span id="L272" class="LineNr">272 </span>      <span class="Delimiter">{</span>
+<span id="L273" class="LineNr">273 </span>        <span class="PreProc">var</span> pid?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../123slice.subx.html#L120'>slice-equal?</a> key-slice, <span class="Constant">&quot;pid&quot;</span>
+<span id="L274" class="LineNr">274 </span>        compare pid?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L275" class="LineNr">275 </span>        <span class="PreProc">break-if-=</span>
+<span id="L276" class="LineNr">276 </span>        <span class="muComment"># convert val</span>
+<span id="L277" class="LineNr">277 </span>        <span class="PreProc">var</span> s: (handle array byte)
+<span id="L278" class="LineNr">278 </span>        <span class="PreProc">var</span> s2/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address s
+<span id="L279" class="LineNr">279 </span>        <a href='../../315slice.subx.html#L5'>_slice-to-string</a> val-slice, s2
+<span id="L280" class="LineNr">280 </span>        <span class="PreProc">var</span> s3/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *s2
+<span id="L281" class="LineNr">281 </span>        <span class="muComment"># check length</span>
+<span id="L282" class="LineNr">282 </span>        <span class="PreProc">var</span> len/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> length s3
+<span id="L283" class="LineNr">283 </span>        compare len, <span class="Constant">9</span>
+<span id="L284" class="LineNr">284 </span>        <span class="Delimiter">{</span>
+<span id="L285" class="LineNr">285 </span>          <span class="PreProc">break-if-=</span>
+<span id="L286" class="LineNr">286 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L287" class="LineNr">287 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L288" class="LineNr">288 </span>          <span class="PreProc">loop</span> $main:word-loop
+<span id="L289" class="LineNr">289 </span>        <span class="Delimiter">}</span>
+<span id="L290" class="LineNr">290 </span>        <span class="muComment"># check valid decimal int</span>
+<span id="L291" class="LineNr">291 </span>        <span class="muComment"># parse-decimal-int-from-slice currently returns 0 on invalid parse,</span>
+<span id="L292" class="LineNr">292 </span>        <span class="muComment"># which isn't ideal but suffices for our purposes</span>
+<span id="L293" class="LineNr">293 </span>        <span class="PreProc">var</span> val/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> val-slice
+<span id="L294" class="LineNr">294 </span>        compare val, <span class="Constant">0</span>
+<span id="L295" class="LineNr">295 </span>        <span class="Delimiter">{</span>
+<span id="L296" class="LineNr">296 </span>          <span class="PreProc">break-if-&gt;</span>
+<span id="L297" class="LineNr">297 </span>          <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;invalid\n&quot;</span>
+<span id="L298" class="LineNr">298 </span>          curr-passport-field-count <span class="SpecialChar">&lt;-</span> copy <span class="Constant">8</span>
+<span id="L299" class="LineNr">299 </span>        <span class="Delimiter">}</span>
+<span id="L300" class="LineNr">300 </span>      <span class="Delimiter">}</span>
+<span id="L301" class="LineNr">301 </span>      <span class="PreProc">loop</span>
+<span id="L302" class="LineNr">302 </span>    <span class="Delimiter">}</span>
+<span id="L303" class="LineNr">303 </span>    <span class="PreProc">loop</span>
+<span id="L304" class="LineNr">304 </span>  <span class="Delimiter">}</span>
+<span id="L305" class="LineNr">305 </span>  <span class="muComment"># process final passport</span>
+<span id="L306" class="LineNr">306 </span>  compare curr-passport-field-count, <span class="Constant">7</span>
+<span id="L307" class="LineNr">307 </span>  <span class="Delimiter">{</span>
+<span id="L308" class="LineNr">308 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L309" class="LineNr">309 </span>    valid-passport-count <span class="SpecialChar">&lt;-</span> increment
+<span id="L310" class="LineNr">310 </span>  <span class="Delimiter">}</span>
+<span id="L311" class="LineNr">311 </span>  <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, valid-passport-count
+<span id="L312" class="LineNr">312 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L313" class="LineNr">313 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>
+<span id="L314" class="LineNr">314 </span><span class="Delimiter">}</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/html/apps/advent2020/5a.mu.html b/html/apps/advent2020/5a.mu.html
new file mode 100644
index 00000000..d45c6e54
--- /dev/null
+++ b/html/apps/advent2020/5a.mu.html
@@ -0,0 +1,142 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - apps/advent2020/5a.mu</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal-light">
+<style type="text/css">
+<!--
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+body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
+a { color:inherit; }
+* { font-size:12pt; font-size: 1em; }
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+.Constant { color: #008787; }
+.muFunction { color: #af5f00; text-decoration: underline; }
+.Delimiter { color: #c000c0; }
+.PreProc { color: #c000c0; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
+
+/* function to open any folds containing a jumped-to line before jumping to it */
+function JumpToLine()
+{
+  var lineNum;
+  lineNum = window.location.hash;
+  lineNum = lineNum.substr(1); /* strip off '#' */
+
+  if (lineNum.indexOf('L') == -1) {
+    lineNum = 'L'+lineNum;
+  }
+  var lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
+  }
+  return true;
+}
+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
+}
+
+-->
+</script>
+</head>
+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/master/apps/advent2020/5a.mu'>https://github.com/akkartik/mu/blob/master/apps/advent2020/5a.mu</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="muComment"># <a href="https://adventofcode.com/2020/day/5">https://adventofcode.com/2020/day/5</a></span>
+<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span>
+<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To run (on Linux):</span>
+<span id="L4" class="LineNr"> 4 </span><span class="muComment">#   $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a></span>
+<span id="L5" class="LineNr"> 5 </span><span class="muComment">#   $ cd mu</span>
+<span id="L6" class="LineNr"> 6 </span><span class="muComment">#   $ ./translate_mu apps/advent2020/5a.mu</span>
+<span id="L7" class="LineNr"> 7 </span><span class="muComment">#   $ ./a.elf &lt; input</span>
+<span id="L8" class="LineNr"> 8 </span><span class="muComment">#</span>
+<span id="L9" class="LineNr"> 9 </span><span class="muComment"># You'll need to register to download the 'input' file for yourself.</span>
+<span id="L10" class="LineNr">10 </span>
+<span id="L11" class="LineNr">11 </span><span class="PreProc">fn</span> <span class="muFunction">main</span><span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span>
+<span id="L12" class="LineNr">12 </span>  <span class="PreProc">var</span> line-storage: (stream byte <span class="Constant">0x10</span>)  <span class="muComment"># 16 bytes is enough</span>
+<span id="L13" class="LineNr">13 </span>  <span class="PreProc">var</span> line/<span class="Constant">edx</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address line-storage
+<span id="L14" class="LineNr">14 </span>  <span class="PreProc">var</span> max-seat-id/<span class="Constant">edi</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L15" class="LineNr">15 </span>  <span class="Delimiter">{</span>
+<span id="L16" class="LineNr">16 </span>    <span class="muComment"># read line from stdin</span>
+<span id="L17" class="LineNr">17 </span>    <a href='../../106stream.subx.html#L17'>clear-stream</a> line
+<span id="L18" class="LineNr">18 </span>    <a href='../../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> line
+<span id="L19" class="LineNr">19 </span>    <a href='../../304screen.subx.html#L147'>print-stream-to-real-screen</a> line
+<span id="L20" class="LineNr">20 </span>    <span class="muComment"># if line is empty (not even a newline), quit</span>
+<span id="L21" class="LineNr">21 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> line
+<span id="L22" class="LineNr">22 </span>    compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L23" class="LineNr">23 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L24" class="LineNr">24 </span>    <span class="muComment"># process line</span>
+<span id="L25" class="LineNr">25 </span>    <span class="PreProc">var</span> seat-id/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> convert-from-binary line
+<span id="L26" class="LineNr">26 </span>    compare seat-id, max-seat-id
+<span id="L27" class="LineNr">27 </span>    <span class="Delimiter">{</span>
+<span id="L28" class="LineNr">28 </span>      <span class="PreProc">break-if-&lt;=</span>
+<span id="L29" class="LineNr">29 </span>      max-seat-id <span class="SpecialChar">&lt;-</span> copy seat-id
+<span id="L30" class="LineNr">30 </span>    <span class="Delimiter">}</span>
+<span id="L31" class="LineNr">31 </span>    <span class="PreProc">loop</span>
+<span id="L32" class="LineNr">32 </span>  <span class="Delimiter">}</span>
+<span id="L33" class="LineNr">33 </span>  <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, max-seat-id
+<span id="L34" class="LineNr">34 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L35" class="LineNr">35 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>
+<span id="L36" class="LineNr">36 </span><span class="Delimiter">}</span>
+<span id="L37" class="LineNr">37 </span>
+<span id="L38" class="LineNr">38 </span><span class="PreProc">fn</span> <span class="muFunction">convert-from-binary</span> in: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L39" class="LineNr">39 </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="L40" class="LineNr">40 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">9</span>  <span class="muComment"># loop counter and also exponent</span>
+<span id="L41" class="LineNr">41 </span>  <span class="Delimiter">{</span>
+<span id="L42" class="LineNr">42 </span>    compare i, <span class="Constant">0</span>
+<span id="L43" class="LineNr">43 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L44" class="LineNr">44 </span>    <span class="PreProc">var</span> c/<span class="Constant">eax</span>: byte <span class="SpecialChar">&lt;-</span> <a href='../../112read-byte.subx.html#L273'>read-byte</a> in
+<span id="L45" class="LineNr">45 </span><span class="CommentedCode">#?     print-string 0, &quot;char: &quot;</span>
+<span id="L46" class="LineNr">46 </span><span class="CommentedCode">#?     {</span>
+<span id="L47" class="LineNr">47 </span><span class="CommentedCode">#?       var c2/eax: int &lt;- copy c</span>
+<span id="L48" class="LineNr">48 </span><span class="CommentedCode">#?       print-int32-hex 0, c2</span>
+<span id="L49" class="LineNr">49 </span><span class="CommentedCode">#?     }</span>
+<span id="L50" class="LineNr">50 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L51" class="LineNr">51 </span>    <span class="PreProc">var</span> bit/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L52" class="LineNr">52 </span>    <span class="Delimiter">{</span>
+<span id="L53" class="LineNr">53 </span>      compare c, <span class="Constant">0x42</span>  <span class="muComment"># 'B'</span>
+<span id="L54" class="LineNr">54 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L55" class="LineNr">55 </span>      bit <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
+<span id="L56" class="LineNr">56 </span>    <span class="Delimiter">}</span>
+<span id="L57" class="LineNr">57 </span>    <span class="Delimiter">{</span>
+<span id="L58" class="LineNr">58 </span>      compare c, <span class="Constant">0x52</span>  <span class="muComment"># 'R'</span>
+<span id="L59" class="LineNr">59 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L60" class="LineNr">60 </span>      bit <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
+<span id="L61" class="LineNr">61 </span>    <span class="Delimiter">}</span>
+<span id="L62" class="LineNr">62 </span><span class="CommentedCode">#?     print-string 0, &quot;bit: &quot;</span>
+<span id="L63" class="LineNr">63 </span><span class="CommentedCode">#?     print-int32-decimal 0, bit</span>
+<span id="L64" class="LineNr">64 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L65" class="LineNr">65 </span>    <span class="PreProc">var</span> bit-value/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../406int32.mu.html#L5'>repeated-shift-left</a> bit, i
+<span id="L66" class="LineNr">66 </span><span class="CommentedCode">#?     print-string 0, &quot;bit value: &quot;</span>
+<span id="L67" class="LineNr">67 </span><span class="CommentedCode">#?     print-int32-decimal 0, bit-value</span>
+<span id="L68" class="LineNr">68 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L69" class="LineNr">69 </span>    result <span class="SpecialChar">&lt;-</span> add bit-value
+<span id="L70" class="LineNr">70 </span><span class="CommentedCode">#?     print-string 0, &quot;result: &quot;</span>
+<span id="L71" class="LineNr">71 </span><span class="CommentedCode">#?     print-int32-decimal 0, result</span>
+<span id="L72" class="LineNr">72 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L73" class="LineNr">73 </span>    i <span class="SpecialChar">&lt;-</span> decrement
+<span id="L74" class="LineNr">74 </span>    <span class="PreProc">loop</span>
+<span id="L75" class="LineNr">75 </span>  <span class="Delimiter">}</span>
+<span id="L76" class="LineNr">76 </span>  <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, result
+<span id="L77" class="LineNr">77 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L78" class="LineNr">78 </span>  <span class="PreProc">return</span> result
+<span id="L79" class="LineNr">79 </span><span class="Delimiter">}</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/html/apps/advent2020/5b.mu.html b/html/apps/advent2020/5b.mu.html
new file mode 100644
index 00000000..372d83b3
--- /dev/null
+++ b/html/apps/advent2020/5b.mu.html
@@ -0,0 +1,143 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - apps/advent2020/5b.mu</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal-light">
+<style type="text/css">
+<!--
+pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; }
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+a { color:inherit; }
+* { font-size:12pt; font-size: 1em; }
+.muComment { color: #005faf; }
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+.SpecialChar { color: #d70000; }
+.Constant { color: #008787; }
+.muFunction { color: #af5f00; text-decoration: underline; }
+.Delimiter { color: #c000c0; }
+.PreProc { color: #c000c0; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
+
+/* function to open any folds containing a jumped-to line before jumping to it */
+function JumpToLine()
+{
+  var lineNum;
+  lineNum = window.location.hash;
+  lineNum = lineNum.substr(1); /* strip off '#' */
+
+  if (lineNum.indexOf('L') == -1) {
+    lineNum = 'L'+lineNum;
+  }
+  var lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
+  }
+  return true;
+}
+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
+}
+
+-->
+</script>
+</head>
+<body onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/master/apps/advent2020/5b.mu'>https://github.com/akkartik/mu/blob/master/apps/advent2020/5b.mu</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="muComment"># <a href="https://adventofcode.com/2020/day/5">https://adventofcode.com/2020/day/5</a></span>
+<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span>
+<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To run (on Linux):</span>
+<span id="L4" class="LineNr"> 4 </span><span class="muComment">#   $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a></span>
+<span id="L5" class="LineNr"> 5 </span><span class="muComment">#   $ cd mu</span>
+<span id="L6" class="LineNr"> 6 </span><span class="muComment">#   $ ./translate_mu apps/advent2020/5b.mu</span>
+<span id="L7" class="LineNr"> 7 </span><span class="muComment">#   $ ./a.elf &lt; input</span>
+<span id="L8" class="LineNr"> 8 </span><span class="muComment">#</span>
+<span id="L9" class="LineNr"> 9 </span><span class="muComment"># You'll need to register to download the 'input' file for yourself.</span>
+<span id="L10" class="LineNr">10 </span>
+<span id="L11" class="LineNr">11 </span><span class="PreProc">fn</span> <span class="muFunction">main</span><span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span>
+<span id="L12" class="LineNr">12 </span>  <span class="PreProc">var</span> pass-storage: (array int <span class="Constant">0x400</span>)  <span class="muComment"># 1k ints</span>
+<span id="L13" class="LineNr">13 </span>  <span class="PreProc">var</span> pass/<span class="Constant">esi</span>: (addr array int) <span class="SpecialChar">&lt;-</span> address pass-storage
+<span id="L14" class="LineNr">14 </span>  <span class="muComment"># phase 1: populate pass array</span>
+<span id="L15" class="LineNr">15 </span>  <span class="PreProc">var</span> line-storage: (stream byte <span class="Constant">0x10</span>)  <span class="muComment"># 16 bytes is enough</span>
+<span id="L16" class="LineNr">16 </span>  <span class="PreProc">var</span> line/<span class="Constant">edx</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address line-storage
+<span id="L17" class="LineNr">17 </span>  <span class="Delimiter">{</span>
+<span id="L18" class="LineNr">18 </span>    <span class="muComment"># read line from stdin</span>
+<span id="L19" class="LineNr">19 </span>    <a href='../../106stream.subx.html#L17'>clear-stream</a> line
+<span id="L20" class="LineNr">20 </span>    <a href='../../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> line
+<span id="L21" class="LineNr">21 </span>    <span class="muComment"># if line is empty (not even a newline), quit</span>
+<span id="L22" class="LineNr">22 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> line
+<span id="L23" class="LineNr">23 </span>    compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L24" class="LineNr">24 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L25" class="LineNr">25 </span>    <span class="muComment"># process line</span>
+<span id="L26" class="LineNr">26 </span>    <span class="PreProc">var</span> seat-id/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> convert-from-binary line
+<span id="L27" class="LineNr">27 </span>    <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> index pass, seat-id
+<span id="L28" class="LineNr">28 </span>    copy-to *dest, <span class="Constant">1</span>
+<span id="L29" class="LineNr">29 </span>    <span class="PreProc">loop</span>
+<span id="L30" class="LineNr">30 </span>  <span class="Delimiter">}</span>
+<span id="L31" class="LineNr">31 </span>  <span class="muComment"># phase 2: skip empty seats</span>
+<span id="L32" class="LineNr">32 </span>  <span class="PreProc">var</span> i/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L33" class="LineNr">33 </span>  <span class="Delimiter">{</span>
+<span id="L34" class="LineNr">34 </span>    compare i, <span class="Constant">0x400</span>
+<span id="L35" class="LineNr">35 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L36" class="LineNr">36 </span>    <span class="PreProc">var</span> src/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> index pass, i
+<span id="L37" class="LineNr">37 </span>    compare *src, <span class="Constant">0</span>
+<span id="L38" class="LineNr">38 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L39" class="LineNr">39 </span>    i <span class="SpecialChar">&lt;-</span> increment
+<span id="L40" class="LineNr">40 </span>    <span class="PreProc">loop</span>
+<span id="L41" class="LineNr">41 </span>  <span class="Delimiter">}</span>
+<span id="L42" class="LineNr">42 </span>  <span class="muComment"># phase 3: skip non-empty seats</span>
+<span id="L43" class="LineNr">43 </span>  <span class="Delimiter">{</span>
+<span id="L44" class="LineNr">44 </span>    compare i, <span class="Constant">0x400</span>
+<span id="L45" class="LineNr">45 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L46" class="LineNr">46 </span>    <span class="PreProc">var</span> src/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> index pass, i
+<span id="L47" class="LineNr">47 </span>    compare *src, <span class="Constant">0</span>
+<span id="L48" class="LineNr">48 </span>    <span class="PreProc">break-if-=</span>
+<span id="L49" class="LineNr">49 </span>    i <span class="SpecialChar">&lt;-</span> increment
+<span id="L50" class="LineNr">50 </span>    <span class="PreProc">loop</span>
+<span id="L51" class="LineNr">51 </span>  <span class="Delimiter">}</span>
+<span id="L52" class="LineNr">52 </span>  <a href='../../405screen.mu.html#L480'>print-int32-decimal</a> <span class="Constant">0</span>, i
+<span id="L53" class="LineNr">53 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;\n&quot;</span>
+<span id="L54" class="LineNr">54 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>
+<span id="L55" class="LineNr">55 </span><span class="Delimiter">}</span>
+<span id="L56" class="LineNr">56 </span>
+<span id="L57" class="LineNr">57 </span><span class="PreProc">fn</span> <span class="muFunction">convert-from-binary</span> in: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L58" class="LineNr">58 </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="L59" class="LineNr">59 </span>  <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">9</span>  <span class="muComment"># loop counter and also exponent</span>
+<span id="L60" class="LineNr">60 </span>  <span class="Delimiter">{</span>
+<span id="L61" class="LineNr">61 </span>    compare i, <span class="Constant">0</span>
+<span id="L62" class="LineNr">62 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L63" class="LineNr">63 </span>    <span class="PreProc">var</span> c/<span class="Constant">eax</span>: byte <span class="SpecialChar">&lt;-</span> <a href='../../112read-byte.subx.html#L273'>read-byte</a> in
+<span id="L64" class="LineNr">64 </span>    <span class="PreProc">var</span> bit/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L65" class="LineNr">65 </span>    <span class="Delimiter">{</span>
+<span id="L66" class="LineNr">66 </span>      compare c, <span class="Constant">0x42</span>  <span class="muComment"># 'B'</span>
+<span id="L67" class="LineNr">67 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L68" class="LineNr">68 </span>      bit <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
+<span id="L69" class="LineNr">69 </span>    <span class="Delimiter">}</span>
+<span id="L70" class="LineNr">70 </span>    <span class="Delimiter">{</span>
+<span id="L71" class="LineNr">71 </span>      compare c, <span class="Constant">0x52</span>  <span class="muComment"># 'R'</span>
+<span id="L72" class="LineNr">72 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L73" class="LineNr">73 </span>      bit <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
+<span id="L74" class="LineNr">74 </span>    <span class="Delimiter">}</span>
+<span id="L75" class="LineNr">75 </span>    <span class="PreProc">var</span> bit-value/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../406int32.mu.html#L5'>repeated-shift-left</a> bit, i
+<span id="L76" class="LineNr">76 </span>    result <span class="SpecialChar">&lt;-</span> add bit-value
+<span id="L77" class="LineNr">77 </span>    i <span class="SpecialChar">&lt;-</span> decrement
+<span id="L78" class="LineNr">78 </span>    <span class="PreProc">loop</span>
+<span id="L79" class="LineNr">79 </span>  <span class="Delimiter">}</span>
+<span id="L80" class="LineNr">80 </span>  <span class="PreProc">return</span> result
+<span id="L81" class="LineNr">81 </span><span class="Delimiter">}</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/html/apps/dquotes.subx.html b/html/apps/dquotes.subx.html
index 4e4b2a26..18cdaf0b 100644
--- a/html/apps/dquotes.subx.html
+++ b/html/apps/dquotes.subx.html
@@ -298,7 +298,7 @@ if ('onhashchange' in window) {
 <span id="L235" class="LineNr"> 235 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L236" class="LineNr"> 236 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
 <span id="L237" class="LineNr"> 237 </span>    <span class="subxComment"># continue</span>
-<span id="L238" class="LineNr"> 238 </span>    eb/jump  $subx-dquotes:<a href='../127next-word.subx.html#L10'>next-word</a>/disp8
+<span id="L238" class="LineNr"> 238 </span>    eb/jump  $subx-dquotes:<a href='../127next-word.subx.html#L11'>next-word</a>/disp8
 <span id="L239" class="LineNr"> 239 </span><span class="Constant">$subx-dquotes:regular-word</span>:
 <span id="L240" class="LineNr"> 240 </span>    <span class="subxComment"># write-slice-buffered(out, word-slice)</span>
 <span id="L241" class="LineNr"> 241 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -309,7 +309,7 @@ if ('onhashchange' in window) {
 <span id="L246" class="LineNr"> 246 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L247" class="LineNr"> 247 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L248" class="LineNr"> 248 </span>    <span class="subxComment"># fall through</span>
-<span id="L249" class="LineNr"> 249 </span><span class="Constant">$subx-dquotes:<a href='../127next-word.subx.html#L10'>next-word</a></span>:
+<span id="L249" class="LineNr"> 249 </span><span class="Constant">$subx-dquotes:<a href='../127next-word.subx.html#L11'>next-word</a></span>:
 <span id="L250" class="LineNr"> 250 </span>    <span class="subxComment"># write-buffered(out, &quot; &quot;)</span>
 <span id="L251" class="LineNr"> 251 </span>    <span class="subxS2Comment"># . . push args</span>
 <span id="L252" class="LineNr"> 252 </span>    68/push  <span class="SpecialChar"><a href='../102test.subx.html#L93'>Space</a></span>/imm32
diff --git a/html/apps/pack.subx.html b/html/apps/pack.subx.html
index 319caa09..935b79a5 100644
--- a/html/apps/pack.subx.html
+++ b/html/apps/pack.subx.html
@@ -219,7 +219,7 @@ if ('onhashchange' in window) {
 <span id="L182" class="LineNr"> 182 </span>    52/push-edx
 <span id="L183" class="LineNr"> 183 </span>    51/push-ecx
 <span id="L184" class="LineNr"> 184 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L185" class="LineNr"> 185 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L185" class="LineNr"> 185 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L186" class="LineNr"> 186 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L187" class="LineNr"> 187 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L188" class="LineNr"> 188 </span><span class="Constant">$subx-pack:check1</span>:
@@ -253,7 +253,7 @@ if ('onhashchange' in window) {
 <span id="L255" class="LineNr"> 255 </span>    52/push-edx
 <span id="L256" class="LineNr"> 256 </span>    51/push-ecx
 <span id="L257" class="LineNr"> 257 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L258" class="LineNr"> 258 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L258" class="LineNr"> 258 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L259" class="LineNr"> 259 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L260" class="LineNr"> 260 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L261" class="Folded"> 261 </span><span class="Folded">+-- 40 lines: #?     # dump segment name ------------------------------------------------------------------------------------------------------------------------------------------------</span>
@@ -847,7 +847,7 @@ if ('onhashchange' in window) {
 <span id="L963" class="LineNr"> 963 </span>    51/push-ecx
 <span id="L964" class="LineNr"> 964 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L965" class="LineNr"> 965 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L966" class="LineNr"> 966 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L966" class="LineNr"> 966 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L967" class="LineNr"> 967 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L968" class="LineNr"> 968 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L969" class="Folded"> 969 </span><span class="Folded">+-- 40 lines: #?     # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
@@ -1607,7 +1607,7 @@ if ('onhashchange' in window) {
 <span id="L1837" class="LineNr">1837 </span>    51/push-ecx
 <span id="L1838" class="LineNr">1838 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L1839" class="LineNr">1839 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1840" class="LineNr">1840 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L1840" class="LineNr">1840 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L1841" class="LineNr">1841 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L1842" class="LineNr">1842 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L1843" class="LineNr">1843 </span><span class="Constant">$convert-instruction:check0</span>:
@@ -1776,7 +1776,7 @@ if ('onhashchange' in window) {
 <span id="L2006" class="LineNr">2006 </span>    51/push-ecx
 <span id="L2007" class="LineNr">2007 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L2008" class="LineNr">2008 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L2009" class="LineNr">2009 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L2009" class="LineNr">2009 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L2010" class="LineNr">2010 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L2011" class="LineNr">2011 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L2012" class="LineNr">2012 </span>    <span class="subxComment"># if (slice-empty?(op1)) return</span>
@@ -1869,7 +1869,7 @@ if ('onhashchange' in window) {
 <span id="L2099" class="LineNr">2099 </span>    52/push-edx
 <span id="L2100" class="LineNr">2100 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L2101" class="LineNr">2101 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L2102" class="LineNr">2102 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L2102" class="LineNr">2102 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L2103" class="LineNr">2103 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L2104" class="LineNr">2104 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L2105" class="LineNr">2105 </span>    <span class="subxComment"># if (slice-empty?(op2)) return</span>
@@ -1948,7 +1948,7 @@ if ('onhashchange' in window) {
 <span id="L2178" class="LineNr">2178 </span>    52/push-edx
 <span id="L2179" class="LineNr">2179 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L2180" class="LineNr">2180 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L2181" class="LineNr">2181 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L2181" class="LineNr">2181 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L2182" class="LineNr">2182 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L2183" class="LineNr">2183 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L2184" class="LineNr">2184 </span>    <span class="subxComment"># if (slice-empty?(op3)) return</span>
@@ -2072,7 +2072,7 @@ if ('onhashchange' in window) {
 <span id="L2334" class="LineNr">2334 </span>    51/push-ecx
 <span id="L2335" class="LineNr">2335 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L2336" class="LineNr">2336 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L2337" class="LineNr">2337 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L2337" class="LineNr">2337 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L2338" class="LineNr">2338 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L2339" class="LineNr">2339 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L2340" class="Folded">2340 </span><span class="Folded">+-- 40 lines: #?     # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
@@ -2373,7 +2373,7 @@ if ('onhashchange' in window) {
 <span id="L2699" class="LineNr">2699 </span>    51/push-ecx
 <span id="L2700" class="LineNr">2700 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L2701" class="LineNr">2701 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L2702" class="LineNr">2702 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L2702" class="LineNr">2702 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L2703" class="LineNr">2703 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L2704" class="LineNr">2704 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L2705" class="Folded">2705 </span><span class="Folded">+-- 40 lines: #?     # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
@@ -2572,7 +2572,7 @@ if ('onhashchange' in window) {
 <span id="L2962" class="LineNr">2962 </span>    51/push-ecx
 <span id="L2963" class="LineNr">2963 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L2964" class="LineNr">2964 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L2965" class="LineNr">2965 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L2965" class="LineNr">2965 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L2966" class="LineNr">2966 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L2967" class="LineNr">2967 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L2968" class="Folded">2968 </span><span class="Folded">+-- 40 lines: #?     # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
@@ -2727,7 +2727,7 @@ if ('onhashchange' in window) {
 <span id="L3181" class="LineNr">3181 </span>    51/push-ecx
 <span id="L3182" class="LineNr">3182 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L3183" class="LineNr">3183 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L3184" class="LineNr">3184 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L3184" class="LineNr">3184 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L3185" class="LineNr">3185 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L3186" class="LineNr">3186 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L3187" class="Folded">3187 </span><span class="Folded">+-- 40 lines: #?     # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
diff --git a/html/apps/rpn.mu.html b/html/apps/rpn.mu.html
index d1894cf0..e28af2e0 100644
--- a/html/apps/rpn.mu.html
+++ b/html/apps/rpn.mu.html
@@ -121,7 +121,7 @@ if ('onhashchange' in window) {
 <span id="L63" class="LineNr"> 63 </span>  <span class="PreProc">var</span> stack/<span class="Constant">esi</span>: (addr <a href='rpn.mu.html#L54'>int-stack</a>) <span class="SpecialChar">&lt;-</span> address stack-storage
 <span id="L64" class="LineNr"> 64 </span>  <a href='rpn.mu.html#L113'>initialize-int-stack</a> stack, <span class="Constant">0x10</span>
 <span id="L65" class="LineNr"> 65 </span>  $simplify:word-loop: <span class="Delimiter">{</span>
-<span id="L66" class="LineNr"> 66 </span>    <a href='../127next-word.subx.html#L10'>next-word</a> in, word
+<span id="L66" class="LineNr"> 66 </span>    <a href='../127next-word.subx.html#L11'>next-word</a> in, word
 <span id="L67" class="LineNr"> 67 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../123slice.subx.html#L9'>slice-empty?</a> word
 <span id="L68" class="LineNr"> 68 </span>    compare done?, <span class="Constant">0</span>
 <span id="L69" class="LineNr"> 69 </span>    <span class="PreProc">break-if-!=</span>
diff --git a/html/apps/sigils.subx.html b/html/apps/sigils.subx.html
index c190b157..c9e95c39 100644
--- a/html/apps/sigils.subx.html
+++ b/html/apps/sigils.subx.html
@@ -280,7 +280,7 @@ if ('onhashchange' in window) {
 <span id="L257" class="LineNr"> 257 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L258" class="LineNr"> 258 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
 <span id="L259" class="LineNr"> 259 </span>    <span class="subxComment"># continue</span>
-<span id="L260" class="LineNr"> 260 </span>    e9/jump  $subx-sigils:<a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L260" class="LineNr"> 260 </span>    e9/jump  $subx-sigils:<a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L261" class="LineNr"> 261 </span><span class="Constant">$subx-sigils:check-for-indirect-mode</span>:
 <span id="L262" class="LineNr"> 262 </span>    <span class="subxComment"># if (!slice-starts-with?(word-slice, &quot;*&quot;)) goto next check</span>
 <span id="L263" class="LineNr"> 263 </span>    3d/compare-eax-and  0x2a/imm32/asterisk
@@ -306,7 +306,7 @@ if ('onhashchange' in window) {
 <span id="L283" class="LineNr"> 283 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L284" class="LineNr"> 284 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L285" class="LineNr"> 285 </span>    <span class="subxComment"># continue</span>
-<span id="L286" class="LineNr"> 286 </span>    e9/jump  $subx-sigils:<a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L286" class="LineNr"> 286 </span>    e9/jump  $subx-sigils:<a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L287" class="LineNr"> 287 </span><span class="Constant">$subx-sigils:indirect-mode</span>:
 <span id="L288" class="LineNr"> 288 </span>    <span class="subxComment"># spill registers</span>
 <span id="L289" class="LineNr"> 289 </span>    50/push-eax
@@ -337,7 +337,7 @@ if ('onhashchange' in window) {
 <span id="L314" class="LineNr"> 314 </span>    59/pop-to-ecx
 <span id="L315" class="LineNr"> 315 </span>    58/pop-to-eax
 <span id="L316" class="LineNr"> 316 </span>    <span class="subxComment"># continue</span>
-<span id="L317" class="LineNr"> 317 </span>    e9/jump  $subx-sigils:<a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L317" class="LineNr"> 317 </span>    e9/jump  $subx-sigils:<a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L318" class="LineNr"> 318 </span><span class="Constant">$subx-sigils:check-for-invalid-addition</span>:
 <span id="L319" class="LineNr"> 319 </span>    <span class="subxComment"># if (slice-starts-with?(word-slice, &quot;+&quot;)) goto error1</span>
 <span id="L320" class="LineNr"> 320 </span>    3d/compare-eax-and  0x2b/imm32/plus
@@ -356,7 +356,7 @@ if ('onhashchange' in window) {
 <span id="L333" class="LineNr"> 333 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L334" class="LineNr"> 334 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L335" class="LineNr"> 335 </span>    <span class="subxComment"># fall through</span>
-<span id="L336" class="LineNr"> 336 </span><span class="Constant">$subx-sigils:<a href='../127next-word.subx.html#L10'>next-word</a></span>:
+<span id="L336" class="LineNr"> 336 </span><span class="Constant">$subx-sigils:<a href='../127next-word.subx.html#L11'>next-word</a></span>:
 <span id="L337" class="LineNr"> 337 </span>    <span class="subxComment"># write-buffered(out, &quot; &quot;)</span>
 <span id="L338" class="LineNr"> 338 </span>    <span class="subxS2Comment"># . . push args</span>
 <span id="L339" class="LineNr"> 339 </span>    68/push  <span class="SpecialChar"><a href='../102test.subx.html#L93'>Space</a></span>/imm32
diff --git a/html/apps/survey.subx.html b/html/apps/survey.subx.html
index f0ed15c8..45e145b8 100644
--- a/html/apps/survey.subx.html
+++ b/html/apps/survey.subx.html
@@ -551,7 +551,7 @@ if ('onhashchange' in window) {
 <span id="L545" class="LineNr"> 545 </span>    <span class="subxComment"># next-word(line, word-slice)</span>
 <span id="L546" class="LineNr"> 546 </span>    52/push-edx
 <span id="L547" class="LineNr"> 547 </span>    51/push-ecx
-<span id="L548" class="LineNr"> 548 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L548" class="LineNr"> 548 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L549" class="LineNr"> 549 </span>    <span class="subxS1Comment"># . discard args</span>
 <span id="L550" class="LineNr"> 550 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L551" class="LineNr"> 551 </span><span class="Constant">$compute-offsets:case-empty</span>:
@@ -638,7 +638,7 @@ if ('onhashchange' in window) {
 <span id="L632" class="LineNr"> 632 </span>    <span class="subxComment"># next-word(line, segment-tmp)</span>
 <span id="L633" class="LineNr"> 633 </span>    68/push  <a href='survey.subx.html#L407'>compute-offsets</a>:segment-tmp/imm32
 <span id="L634" class="LineNr"> 634 </span>    51/push-ecx
-<span id="L635" class="LineNr"> 635 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L635" class="LineNr"> 635 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L636" class="LineNr"> 636 </span>    <span class="subxS1Comment"># . discard args</span>
 <span id="L637" class="LineNr"> 637 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L638" class="LineNr"> 638 </span>    <span class="subxComment"># if slice-empty?(segment-tmp) abort</span>
@@ -665,7 +665,7 @@ if ('onhashchange' in window) {
 <span id="L659" class="LineNr"> 659 </span>    <span class="subxComment"># next-word(line, segment-tmp)</span>
 <span id="L660" class="LineNr"> 660 </span>    68/push  <a href='survey.subx.html#L407'>compute-offsets</a>:segment-tmp/imm32
 <span id="L661" class="LineNr"> 661 </span>    51/push-ecx
-<span id="L662" class="LineNr"> 662 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L662" class="LineNr"> 662 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L663" class="LineNr"> 663 </span>    <span class="subxS1Comment"># . discard args</span>
 <span id="L664" class="LineNr"> 664 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L665" class="LineNr"> 665 </span>    <span class="subxComment"># if slice-empty?(segment-tmp) abort</span>
@@ -1739,7 +1739,7 @@ if ('onhashchange' in window) {
 <span id="L1971" class="LineNr">1971 </span>    52/push-edx
 <span id="L1972" class="LineNr">1972 </span>    51/push-ecx
 <span id="L1973" class="LineNr">1973 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1974" class="LineNr">1974 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L1974" class="LineNr">1974 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L1975" class="LineNr">1975 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L1976" class="LineNr">1976 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L1977" class="Folded">1977 </span><span class="Folded">+-- 33 lines: #?     # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
@@ -3595,7 +3595,7 @@ if ('onhashchange' in window) {
 <span id="L4239" class="LineNr">4239 </span>    51/push-ecx
 <span id="L4240" class="LineNr">4240 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
 <span id="L4241" class="LineNr">4241 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L4242" class="LineNr">4242 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L4242" class="LineNr">4242 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L4243" class="LineNr">4243 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L4244" class="LineNr">4244 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L4245" class="Folded">4245 </span><span class="Folded">+-- 40 lines: #?     # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
diff --git a/html/apps/tests.subx.html b/html/apps/tests.subx.html
index e1fbb759..46775f7e 100644
--- a/html/apps/tests.subx.html
+++ b/html/apps/tests.subx.html
@@ -243,7 +243,7 @@ if ('onhashchange' in window) {
 <span id="L183" class="LineNr">183 </span>    52/push-edx
 <span id="L184" class="LineNr">184 </span>    51/push-ecx
 <span id="L185" class="LineNr">185 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L186" class="LineNr">186 </span>    e8/call  <a href='../127next-word.subx.html#L10'>next-word</a>/disp32
+<span id="L186" class="LineNr">186 </span>    e8/call  <a href='../127next-word.subx.html#L11'>next-word</a>/disp32
 <span id="L187" class="LineNr">187 </span>    <span class="subxS2Comment"># . . discard args</span>
 <span id="L188" class="LineNr">188 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
 <span id="L189" class="LineNr">189 </span><span class="Constant">$subx-gen-run-tests:check-empty</span>:
diff --git a/html/apps/tile/environment.mu.html b/html/apps/tile/environment.mu.html
index 31b3fe43..bb4cec67 100644
--- a/html/apps/tile/environment.mu.html
+++ b/html/apps/tile/environment.mu.html
@@ -62,1672 +62,1682 @@ if ('onhashchange' in window) {
 <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 <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
-<span id="L8" class="LineNr">   8 </span><span class="Delimiter">}</span>
-<span id="L9" class="LineNr">   9 </span>
-<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 <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 <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> <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
-<span id="L23" class="LineNr">  23 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
-<span id="L24" class="LineNr">  24 </span>  <span class="PreProc">var</span> nrows/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L25" class="LineNr">  25 </span>  <span class="PreProc">var</span> ncols/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L26" class="LineNr">  26 </span>  nrows, ncols <span class="SpecialChar">&lt;-</span> <a href='../../405screen.mu.html#L60'>screen-size</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L27" class="LineNr">  27 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, nrows
-<span id="L28" class="LineNr">  28 </span>  copy-to *dest, nrows
-<span id="L29" class="LineNr">  29 </span>  dest <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, ncols
-<span id="L30" class="LineNr">  30 </span>  copy-to *dest, ncols
-<span id="L31" class="LineNr">  31 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy ncols
-<span id="L32" class="LineNr">  32 </span>  repl-col <span class="SpecialChar">&lt;-</span> shift-right <span class="Constant">1</span>
-<span id="L33" class="LineNr">  33 </span>  dest <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, code-separator-col
-<span id="L34" class="LineNr">  34 </span>  copy-to *dest, repl-col
-<span id="L35" class="LineNr">  35 </span><span class="Delimiter">}</span>
-<span id="L36" class="LineNr">  36 </span>
-<span id="L37" class="LineNr">  37 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L37'>draw-screen</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
-<span id="L38" class="LineNr">  38 </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="L39" class="LineNr">  39 </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="L40" class="LineNr">  40 </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
-<span id="L41" class="LineNr">  41 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
-<span id="L42" class="LineNr">  42 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, code-separator-col
-<span id="L43" class="LineNr">  43 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy *dest
-<span id="L44" class="LineNr">  44 </span>  <a href='environment.mu.html#L1464'>clear-canvas</a> env
-<span id="L45" class="LineNr">  45 </span>  tmp <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># repl-margin-left</span>
-<span id="L46" class="LineNr">  46 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">3</span>, tmp  <span class="muComment"># input-row</span>
-<span id="L47" class="LineNr">  47 </span><span class="Delimiter">}</span>
-<span id="L48" class="LineNr">  48 </span>
-<span id="L49" class="LineNr">  49 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L49'>initialize-environment-with-fake-screen</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), nrows: int, ncols: int <span class="Delimiter">{</span>
-<span id="L50" class="LineNr">  50 </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="L51" class="LineNr">  51 </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> self, <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L52" class="LineNr">  52 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> screen-ah
-<span id="L53" class="LineNr">  53 </span>  <span class="PreProc">var</span> screen-addr/<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
-<span id="L54" class="LineNr">  54 </span>  <a href='../../405screen.mu.html#L30'>initialize-screen</a> screen-addr, nrows, ncols
-<span id="L55" class="LineNr">  55 </span>  <a href='environment.mu.html#L10'>initialize-environment</a> self
-<span id="L56" class="LineNr">  56 </span><span class="Delimiter">}</span>
-<span id="L57" class="LineNr">  57 </span>
-<span id="L58" class="LineNr">  58 </span><span class="muComment">#############</span>
-<span id="L59" class="LineNr">  59 </span><span class="muComment"># Iterate</span>
-<span id="L60" class="LineNr">  60 </span><span class="muComment">#############</span>
+<span id="L5" class="LineNr">   5 </span>  cursor-sandbox: (handle <a href='data.mu.html#L1'>sandbox</a>)
+<span id="L6" class="LineNr">   6 </span>  nrows: int
+<span id="L7" class="LineNr">   7 </span>  ncols: int
+<span id="L8" class="LineNr">   8 </span>  code-separator-col: int
+<span id="L9" class="LineNr">   9 </span><span class="Delimiter">}</span>
+<span id="L10" class="LineNr">  10 </span>
+<span id="L11" class="LineNr">  11 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L11'>initialize-environment</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
+<span id="L12" class="LineNr">  12 </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="L13" class="LineNr">  13 </span>  <span class="muComment"># initialize some predefined function definitions</span>
+<span id="L14" class="LineNr">  14 </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="L15" class="LineNr">  15 </span>  <a href='data.mu.html#L98'>create-primitive-functions</a> functions
+<span id="L16" class="LineNr">  16 </span>  <span class="muComment"># initialize first sandbox</span>
+<span id="L17" class="LineNr">  17 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">ecx</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="L18" class="LineNr">  18 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> sandbox-ah
+<span id="L19" class="LineNr">  19 </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="L20" class="LineNr">  20 </span>  <a href='data.mu.html#L75'>initialize-sandbox</a> <a href='data.mu.html#L1'>sandbox</a>
+<span id="L21" class="LineNr">  21 </span>  <span class="muComment"># initialize cursor sandbox</span>
+<span id="L22" class="LineNr">  22 </span>  <span class="PreProc">var</span> cursor-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, cursor-sandbox
+<span id="L23" class="LineNr">  23 </span>  copy-object sandbox-ah, cursor-sandbox-ah
+<span id="L24" class="LineNr">  24 </span>  <span class="muComment"># initialize screen</span>
+<span id="L25" class="LineNr">  25 </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="L26" class="LineNr">  26 </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
+<span id="L27" class="LineNr">  27 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
+<span id="L28" class="LineNr">  28 </span>  <span class="PreProc">var</span> nrows/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L29" class="LineNr">  29 </span>  <span class="PreProc">var</span> ncols/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L30" class="LineNr">  30 </span>  nrows, ncols <span class="SpecialChar">&lt;-</span> <a href='../../405screen.mu.html#L60'>screen-size</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L31" class="LineNr">  31 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, nrows
+<span id="L32" class="LineNr">  32 </span>  copy-to *dest, nrows
+<span id="L33" class="LineNr">  33 </span>  dest <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, ncols
+<span id="L34" class="LineNr">  34 </span>  copy-to *dest, ncols
+<span id="L35" class="LineNr">  35 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy ncols
+<span id="L36" class="LineNr">  36 </span>  repl-col <span class="SpecialChar">&lt;-</span> shift-right <span class="Constant">1</span>
+<span id="L37" class="LineNr">  37 </span>  dest <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, code-separator-col
+<span id="L38" class="LineNr">  38 </span>  copy-to *dest, repl-col
+<span id="L39" class="LineNr">  39 </span><span class="Delimiter">}</span>
+<span id="L40" class="LineNr">  40 </span>
+<span id="L41" class="LineNr">  41 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L41'>draw-screen</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
+<span id="L42" class="LineNr">  42 </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="L43" class="LineNr">  43 </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="L44" class="LineNr">  44 </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
+<span id="L45" class="LineNr">  45 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
+<span id="L46" class="LineNr">  46 </span>  <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, code-separator-col
+<span id="L47" class="LineNr">  47 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy *dest
+<span id="L48" class="LineNr">  48 </span>  <a href='environment.mu.html#L1474'>clear-canvas</a> env
+<span id="L49" class="LineNr">  49 </span>  tmp <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># repl-margin-left</span>
+<span id="L50" class="LineNr">  50 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">3</span>, tmp  <span class="muComment"># input-row</span>
+<span id="L51" class="LineNr">  51 </span><span class="Delimiter">}</span>
+<span id="L52" class="LineNr">  52 </span>
+<span id="L53" class="LineNr">  53 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L53'>initialize-environment-with-fake-screen</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), nrows: int, ncols: int <span class="Delimiter">{</span>
+<span id="L54" class="LineNr">  54 </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="L55" class="LineNr">  55 </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> self, <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L56" class="LineNr">  56 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> screen-ah
+<span id="L57" class="LineNr">  57 </span>  <span class="PreProc">var</span> screen-addr/<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
+<span id="L58" class="LineNr">  58 </span>  <a href='../../405screen.mu.html#L30'>initialize-screen</a> screen-addr, nrows, ncols
+<span id="L59" class="LineNr">  59 </span>  <a href='environment.mu.html#L11'>initialize-environment</a> self
+<span id="L60" class="LineNr">  60 </span><span class="Delimiter">}</span>
 <span id="L61" class="LineNr">  61 </span>
-<span id="L62" class="LineNr">  62 </span><span class="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>  <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="L64" class="LineNr">  64 </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="L65" class="LineNr">  65 </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="L66" class="LineNr">  66 </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="L67" class="LineNr">  67 </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="L68" class="LineNr">  68 </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="L69" class="LineNr">  69 </span>  compare rename-word-mode?, <span class="Constant">0</span>
-<span id="L70" class="LineNr">  70 </span>  <span class="Delimiter">{</span>
-<span id="L71" class="LineNr">  71 </span>    <span class="PreProc">break-if-=</span>
-<span id="L72" class="LineNr">  72 </span><span class="CommentedCode">#?     print-string 0, &quot;processing sandbox rename\n&quot;</span>
-<span id="L73" class="LineNr">  73 </span>    <a href='environment.mu.html#L519'>process-sandbox-rename</a> <a href='data.mu.html#L1'>sandbox</a>, key
-<span id="L74" class="LineNr">  74 </span>    <span class="PreProc">return</span>
-<span id="L75" class="LineNr">  75 </span>  <span class="Delimiter">}</span>
-<span id="L76" class="LineNr">  76 </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="L77" class="LineNr">  77 </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="L78" class="LineNr">  78 </span>  compare define-function-mode?, <span class="Constant">0</span>
-<span id="L79" class="LineNr">  79 </span>  <span class="Delimiter">{</span>
-<span id="L80" class="LineNr">  80 </span>    <span class="PreProc">break-if-=</span>
-<span id="L81" class="LineNr">  81 </span><span class="CommentedCode">#?     print-string 0, &quot;processing function definition\n&quot;</span>
-<span id="L82" class="LineNr">  82 </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="L83" class="LineNr">  83 </span>    <a href='environment.mu.html#L635'>process-sandbox-define</a> <a href='data.mu.html#L1'>sandbox</a>, functions, key
+<span id="L62" class="LineNr">  62 </span><span class="muComment">#############</span>
+<span id="L63" class="LineNr">  63 </span><span class="muComment"># Iterate</span>
+<span id="L64" class="LineNr">  64 </span><span class="muComment">#############</span>
+<span id="L65" class="LineNr">  65 </span>
+<span id="L66" class="LineNr">  66 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L66'>process</a></span> _self: (addr <a href='environment.mu.html#L1'>environment</a>), key: grapheme <span class="Delimiter">{</span>
+<span id="L67" class="LineNr">  67 </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="L68" class="LineNr">  68 </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, cursor-sandbox
+<span id="L69" class="LineNr">  69 </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="L70" class="LineNr">  70 </span><span class="CommentedCode">#?   print-string 0, &quot;processing sandbox\n&quot;</span>
+<span id="L71" class="LineNr">  71 </span>  <a href='environment.mu.html#L74'>process-sandbox</a> self, <a href='data.mu.html#L1'>sandbox</a>, key
+<span id="L72" class="LineNr">  72 </span><span class="Delimiter">}</span>
+<span id="L73" class="LineNr">  73 </span>
+<span id="L74" class="LineNr">  74 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L74'>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="L75" class="LineNr">  75 </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="L76" class="LineNr">  76 </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="L77" class="LineNr">  77 </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="L78" class="LineNr">  78 </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="L79" class="LineNr">  79 </span>  compare rename-word-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 sandbox rename\n&quot;</span>
+<span id="L83" class="LineNr">  83 </span>    <a href='environment.mu.html#L529'>process-sandbox-rename</a> <a href='data.mu.html#L1'>sandbox</a>, key
 <span id="L84" class="LineNr">  84 </span>    <span class="PreProc">return</span>
 <span id="L85" class="LineNr">  85 </span>  <span class="Delimiter">}</span>
-<span id="L86" class="LineNr">  86 </span><span class="CommentedCode">#?   print-string 0, &quot;processing sandbox\n&quot;</span>
-<span id="L87" class="LineNr">  87 </span>  <a href='environment.mu.html#L90'>process-sandbox</a> self, <a href='data.mu.html#L1'>sandbox</a>, key
-<span id="L88" class="LineNr">  88 </span><span class="Delimiter">}</span>
-<span id="L89" class="LineNr">  89 </span>
-<span id="L90" class="LineNr">  90 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L90'>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="L91" class="LineNr">  91 </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="L92" class="LineNr">  92 </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="L93" class="LineNr">  93 </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="L94" class="LineNr">  94 </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="L95" class="LineNr">  95 </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="L96" class="LineNr">  96 </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="L97" class="LineNr">  97 </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="L98" class="LineNr">  98 </span>  compare key, <span class="Constant">0x445b1b</span>  <span class="muComment"># left-arrow</span>
-<span id="L99" class="LineNr">  99 </span>  $process-sandbox:key-left-arrow: <span class="Delimiter">{</span>
-<span id="L100" class="LineNr"> 100 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L101" class="LineNr"> 101 </span><span class="CommentedCode">#?     print-string 0, &quot;left-arrow\n&quot;</span>
-<span id="L102" class="LineNr"> 102 </span>    <span class="muComment"># if not at start, move left within current word</span>
-<span id="L103" class="LineNr"> 103 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> cursor-word
-<span id="L104" class="LineNr"> 104 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L105" class="LineNr"> 105 </span>    <span class="Delimiter">{</span>
-<span id="L106" class="LineNr"> 106 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L107" class="LineNr"> 107 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor left within word\n&quot;</span>
-<span id="L108" class="LineNr"> 108 </span>      <a href='word.mu.html#L186'>cursor-left</a> cursor-word
-<span id="L109" class="LineNr"> 109 </span>      <span class="PreProc">return</span>
-<span id="L110" class="LineNr"> 110 </span>    <span class="Delimiter">}</span>
-<span id="L111" class="LineNr"> 111 </span>    <span class="muComment"># if current word is expanded, move to the rightmost word in its body</span>
-<span id="L112" class="LineNr"> 112 </span>    <span class="Delimiter">{</span>
-<span id="L113" class="LineNr"> 113 </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="L114" class="LineNr"> 114 </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="L115" class="LineNr"> 115 </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#L303'>find-in-call-paths</a> expanded-words, cursor-call-path
-<span id="L116" class="LineNr"> 116 </span>      compare curr-word-is-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L117" class="LineNr"> 117 </span>      <span class="PreProc">break-if-=</span>
-<span id="L118" class="LineNr"> 118 </span>      <span class="muComment"># update cursor-call-path</span>
-<span id="L119" class="LineNr"> 119 </span><span class="CommentedCode">#?       print-string 0, &quot;curr word is expanded\n&quot;</span>
-<span id="L120" class="LineNr"> 120 </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="L121" class="LineNr"> 121 </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="L122" class="LineNr"> 122 </span>      <span class="PreProc">var</span> body: (handle <a href='data.mu.html#L22'>line</a>)
-<span id="L123" class="LineNr"> 123 </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="L124" class="LineNr"> 124 </span>      <a href='data.mu.html#L208'>function-body</a> functions, cursor-word-ah, body-ah
-<span id="L125" class="LineNr"> 125 </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="L126" class="LineNr"> 126 </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="L127" class="LineNr"> 127 </span>      <span class="PreProc">var</span> final-word-h: (handle <a href='data.mu.html#L30'>word</a>)
-<span id="L128" class="LineNr"> 128 </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="L129" class="LineNr"> 129 </span>      <a href='word.mu.html#L129'>final-word</a> first-word-ah, final-word-ah
-<span id="L130" class="LineNr"> 130 </span>      <a href='data.mu.html#L491'>push-to-call-path-element</a> cursor-call-path, final-word-ah
-<span id="L131" class="LineNr"> 131 </span>      <span class="muComment"># move cursor to end of word</span>
-<span id="L132" class="LineNr"> 132 </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="L133" class="LineNr"> 133 </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="L134" class="LineNr"> 134 </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="L135" class="LineNr"> 135 </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="L136" class="LineNr"> 136 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> cursor-word
-<span id="L137" class="LineNr"> 137 </span>      <span class="PreProc">return</span>
-<span id="L138" class="LineNr"> 138 </span>    <span class="Delimiter">}</span>
-<span id="L139" class="LineNr"> 139 </span>    <span class="muComment"># if at first word, look for a caller to jump to</span>
-<span id="L140" class="LineNr"> 140 </span>    $process-sandbox:key-left-arrow-first-word: <span class="Delimiter">{</span>
-<span id="L141" class="LineNr"> 141 </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="L142" class="LineNr"> 142 </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="L143" class="LineNr"> 143 </span>      compare prev-word, <span class="Constant">0</span>
-<span id="L144" class="LineNr"> 144 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L145" class="LineNr"> 145 </span>      $process-sandbox:key-left-arrow-first-word-and-caller: <span class="Delimiter">{</span>
-<span id="L146" class="LineNr"> 146 </span><span class="CommentedCode">#?         print-string 0, &quot;return\n&quot;</span>
-<span id="L147" class="LineNr"> 147 </span>        <span class="Delimiter">{</span>
-<span id="L148" class="LineNr"> 148 </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="L149" class="LineNr"> 149 </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="L150" class="LineNr"> 150 </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="L151" class="LineNr"> 151 </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="L152" class="LineNr"> 152 </span>          compare next-cursor-element, <span class="Constant">0</span>
-<span id="L153" class="LineNr"> 153 </span>          <span class="PreProc">break-if-=</span> $process-sandbox:key-left-arrow-first-word-and-caller
-<span id="L154" class="LineNr"> 154 </span>          copy-object next-cursor-element-ah, cursor-call-path-ah
-<span id="L155" class="LineNr"> 155 </span>        <span class="Delimiter">}</span>
-<span id="L156" class="LineNr"> 156 </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="L157" class="LineNr"> 157 </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="L158" class="LineNr"> 158 </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="L159" class="LineNr"> 159 </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="L160" class="LineNr"> 160 </span>        cursor-word <span class="SpecialChar">&lt;-</span> copy _cursor-word
-<span id="L161" class="LineNr"> 161 </span>      <span class="Delimiter">}</span>
-<span id="L162" class="LineNr"> 162 </span>    <span class="Delimiter">}</span>
-<span id="L163" class="LineNr"> 163 </span>    <span class="muComment"># then move to end of previous word</span>
-<span id="L164" class="LineNr"> 164 </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="L165" class="LineNr"> 165 </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="L166" class="LineNr"> 166 </span>    <span class="Delimiter">{</span>
-<span id="L167" class="LineNr"> 167 </span>      compare prev-word, <span class="Constant">0</span>
-<span id="L168" class="LineNr"> 168 </span>      <span class="PreProc">break-if-=</span>
-<span id="L169" class="LineNr"> 169 </span><span class="CommentedCode">#?       print-string 0, &quot;move to previous word\n&quot;</span>
-<span id="L170" class="LineNr"> 170 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> prev-word
-<span id="L171" class="LineNr"> 171 </span><span class="CommentedCode">#?       {</span>
-<span id="L172" class="LineNr"> 172 </span><span class="CommentedCode">#?         var cursor-call-path-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
-<span id="L173" class="LineNr"> 173 </span><span class="CommentedCode">#?         var cursor-call-path/eax: (addr call-path-element) &lt;- lookup *cursor-call-path-ah</span>
-<span id="L174" class="LineNr"> 174 </span><span class="CommentedCode">#?         var cursor-word-ah/eax: (addr handle word) &lt;- get cursor-call-path, word</span>
-<span id="L175" class="LineNr"> 175 </span><span class="CommentedCode">#?         var _cursor-word/eax: (addr word) &lt;- lookup *cursor-word-ah</span>
-<span id="L176" class="LineNr"> 176 </span><span class="CommentedCode">#?         var cursor-word/ebx: (addr word) &lt;- copy _cursor-word</span>
-<span id="L177" class="LineNr"> 177 </span><span class="CommentedCode">#?         print-string 0, &quot;word at cursor before: &quot;</span>
-<span id="L178" class="LineNr"> 178 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
-<span id="L179" class="LineNr"> 179 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L180" class="LineNr"> 180 </span><span class="CommentedCode">#?       }</span>
-<span id="L181" class="LineNr"> 181 </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="L182" class="LineNr"> 182 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path
-<span id="L183" class="LineNr"> 183 </span><span class="CommentedCode">#?       {</span>
-<span id="L184" class="LineNr"> 184 </span><span class="CommentedCode">#?         var cursor-call-path-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
-<span id="L185" class="LineNr"> 185 </span><span class="CommentedCode">#?         var cursor-call-path/eax: (addr call-path-element) &lt;- lookup *cursor-call-path-ah</span>
-<span id="L186" class="LineNr"> 186 </span><span class="CommentedCode">#?         var cursor-word-ah/eax: (addr handle word) &lt;- get cursor-call-path, word</span>
-<span id="L187" class="LineNr"> 187 </span><span class="CommentedCode">#?         var _cursor-word/eax: (addr word) &lt;- lookup *cursor-word-ah</span>
-<span id="L188" class="LineNr"> 188 </span><span class="CommentedCode">#?         var cursor-word/ebx: (addr word) &lt;- copy _cursor-word</span>
-<span id="L189" class="LineNr"> 189 </span><span class="CommentedCode">#?         print-string 0, &quot;word at cursor after: &quot;</span>
-<span id="L190" class="LineNr"> 190 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
-<span id="L191" class="LineNr"> 191 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L192" class="LineNr"> 192 </span><span class="CommentedCode">#?       }</span>
-<span id="L193" class="LineNr"> 193 </span>    <span class="Delimiter">}</span>
-<span id="L194" class="LineNr"> 194 </span>    <span class="PreProc">return</span>
-<span id="L195" class="LineNr"> 195 </span>  <span class="Delimiter">}</span>
-<span id="L196" class="LineNr"> 196 </span>  compare key, <span class="Constant">0x435b1b</span>  <span class="muComment"># right-arrow</span>
-<span id="L197" class="LineNr"> 197 </span>  $process-sandbox:key-right-arrow: <span class="Delimiter">{</span>
-<span id="L198" class="LineNr"> 198 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L199" class="LineNr"> 199 </span>    <span class="muComment"># if not at end, move right within current word</span>
-<span id="L200" class="LineNr"> 200 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L178'>cursor-at-end?</a> cursor-word
-<span id="L201" class="LineNr"> 201 </span>    compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L202" class="LineNr"> 202 </span>    <span class="Delimiter">{</span>
-<span id="L203" class="LineNr"> 203 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L204" class="LineNr"> 204 </span><span class="CommentedCode">#?       print-string 0, &quot;a\n&quot;</span>
-<span id="L205" class="LineNr"> 205 </span>      <a href='word.mu.html#L193'>cursor-right</a> cursor-word
-<span id="L206" class="LineNr"> 206 </span>      <span class="PreProc">return</span>
-<span id="L207" class="LineNr"> 207 </span>    <span class="Delimiter">}</span>
-<span id="L208" class="LineNr"> 208 </span>    <span class="muComment"># if at final word, look for a caller to jump to</span>
-<span id="L209" class="LineNr"> 209 </span>    <span class="Delimiter">{</span>
-<span id="L210" class="LineNr"> 210 </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="L211" class="LineNr"> 211 </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="L212" class="LineNr"> 212 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
+<span id="L86" class="LineNr">  86 </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="L87" class="LineNr">  87 </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="L88" class="LineNr">  88 </span>  compare define-function-mode?, <span class="Constant">0</span>
+<span id="L89" class="LineNr">  89 </span>  <span class="Delimiter">{</span>
+<span id="L90" class="LineNr">  90 </span>    <span class="PreProc">break-if-=</span>
+<span id="L91" class="LineNr">  91 </span><span class="CommentedCode">#?     print-string 0, &quot;processing function definition\n&quot;</span>
+<span id="L92" class="LineNr">  92 </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="L93" class="LineNr">  93 </span>    <a href='environment.mu.html#L645'>process-sandbox-define</a> <a href='data.mu.html#L1'>sandbox</a>, functions, key
+<span id="L94" class="LineNr">  94 </span>    <span class="PreProc">return</span>
+<span id="L95" class="LineNr">  95 </span>  <span class="Delimiter">}</span>
+<span id="L96" class="LineNr">  96 </span><span class="CommentedCode">#?   print-string 0, &quot;processing sandbox edit\n&quot;</span>
+<span id="L97" class="LineNr">  97 </span>  <a href='environment.mu.html#L100'>process-sandbox-edit</a> self, <a href='data.mu.html#L1'>sandbox</a>, key
+<span id="L98" class="LineNr">  98 </span><span class="Delimiter">}</span>
+<span id="L99" class="LineNr">  99 </span>
+<span id="L100" class="LineNr"> 100 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L100'>process-sandbox-edit</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="L101" class="LineNr"> 101 </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="L102" class="LineNr"> 102 </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="L103" class="LineNr"> 103 </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="L104" class="LineNr"> 104 </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="L105" class="LineNr"> 105 </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="L106" class="LineNr"> 106 </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="L107" class="LineNr"> 107 </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="L108" class="LineNr"> 108 </span>  compare key, <span class="Constant">0x445b1b</span>  <span class="muComment"># left-arrow</span>
+<span id="L109" class="LineNr"> 109 </span>  $process-sandbox-edit:key-left-arrow: <span class="Delimiter">{</span>
+<span id="L110" class="LineNr"> 110 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L111" class="LineNr"> 111 </span><span class="CommentedCode">#?     print-string 0, &quot;left-arrow\n&quot;</span>
+<span id="L112" class="LineNr"> 112 </span>    <span class="muComment"># if not at start, move left within current word</span>
+<span id="L113" class="LineNr"> 113 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> cursor-word
+<span id="L114" class="LineNr"> 114 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L115" class="LineNr"> 115 </span>    <span class="Delimiter">{</span>
+<span id="L116" class="LineNr"> 116 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L117" class="LineNr"> 117 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor left within word\n&quot;</span>
+<span id="L118" class="LineNr"> 118 </span>      <a href='word.mu.html#L186'>cursor-left</a> cursor-word
+<span id="L119" class="LineNr"> 119 </span>      <span class="PreProc">return</span>
+<span id="L120" class="LineNr"> 120 </span>    <span class="Delimiter">}</span>
+<span id="L121" class="LineNr"> 121 </span>    <span class="muComment"># if current word is expanded, move to the rightmost word in its body</span>
+<span id="L122" class="LineNr"> 122 </span>    <span class="Delimiter">{</span>
+<span id="L123" class="LineNr"> 123 </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="L124" class="LineNr"> 124 </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="L125" class="LineNr"> 125 </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#L303'>find-in-call-paths</a> expanded-words, cursor-call-path
+<span id="L126" class="LineNr"> 126 </span>      compare curr-word-is-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L127" class="LineNr"> 127 </span>      <span class="PreProc">break-if-=</span>
+<span id="L128" class="LineNr"> 128 </span>      <span class="muComment"># update cursor-call-path</span>
+<span id="L129" class="LineNr"> 129 </span><span class="CommentedCode">#?       print-string 0, &quot;curr word is expanded\n&quot;</span>
+<span id="L130" class="LineNr"> 130 </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="L131" class="LineNr"> 131 </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="L132" class="LineNr"> 132 </span>      <span class="PreProc">var</span> body: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L133" class="LineNr"> 133 </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="L134" class="LineNr"> 134 </span>      <a href='data.mu.html#L208'>function-body</a> functions, cursor-word-ah, body-ah
+<span id="L135" class="LineNr"> 135 </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="L136" class="LineNr"> 136 </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="L137" class="LineNr"> 137 </span>      <span class="PreProc">var</span> final-word-h: (handle <a href='data.mu.html#L30'>word</a>)
+<span id="L138" class="LineNr"> 138 </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="L139" class="LineNr"> 139 </span>      <a href='word.mu.html#L129'>final-word</a> first-word-ah, final-word-ah
+<span id="L140" class="LineNr"> 140 </span>      <a href='data.mu.html#L491'>push-to-call-path-element</a> cursor-call-path, final-word-ah
+<span id="L141" class="LineNr"> 141 </span>      <span class="muComment"># move cursor to end of word</span>
+<span id="L142" class="LineNr"> 142 </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="L143" class="LineNr"> 143 </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="L144" class="LineNr"> 144 </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="L145" class="LineNr"> 145 </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="L146" class="LineNr"> 146 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> cursor-word
+<span id="L147" class="LineNr"> 147 </span>      <span class="PreProc">return</span>
+<span id="L148" class="LineNr"> 148 </span>    <span class="Delimiter">}</span>
+<span id="L149" class="LineNr"> 149 </span>    <span class="muComment"># if at first word, look for a caller to jump to</span>
+<span id="L150" class="LineNr"> 150 </span>    $process-sandbox-edit:key-left-arrow-first-word: <span class="Delimiter">{</span>
+<span id="L151" class="LineNr"> 151 </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="L152" class="LineNr"> 152 </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="L153" class="LineNr"> 153 </span>      compare prev-word, <span class="Constant">0</span>
+<span id="L154" class="LineNr"> 154 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L155" class="LineNr"> 155 </span>      $process-sandbox-edit:key-left-arrow-first-word-and-caller: <span class="Delimiter">{</span>
+<span id="L156" class="LineNr"> 156 </span><span class="CommentedCode">#?         print-string 0, &quot;return\n&quot;</span>
+<span id="L157" class="LineNr"> 157 </span>        <span class="Delimiter">{</span>
+<span id="L158" class="LineNr"> 158 </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="L159" class="LineNr"> 159 </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="L160" class="LineNr"> 160 </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="L161" class="LineNr"> 161 </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="L162" class="LineNr"> 162 </span>          compare next-cursor-element, <span class="Constant">0</span>
+<span id="L163" class="LineNr"> 163 </span>          <span class="PreProc">break-if-=</span> $process-sandbox-edit:key-left-arrow-first-word-and-caller
+<span id="L164" class="LineNr"> 164 </span>          copy-object next-cursor-element-ah, cursor-call-path-ah
+<span id="L165" class="LineNr"> 165 </span>        <span class="Delimiter">}</span>
+<span id="L166" class="LineNr"> 166 </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="L167" class="LineNr"> 167 </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="L168" class="LineNr"> 168 </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="L169" class="LineNr"> 169 </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="L170" class="LineNr"> 170 </span>        cursor-word <span class="SpecialChar">&lt;-</span> copy _cursor-word
+<span id="L171" class="LineNr"> 171 </span>      <span class="Delimiter">}</span>
+<span id="L172" class="LineNr"> 172 </span>    <span class="Delimiter">}</span>
+<span id="L173" class="LineNr"> 173 </span>    <span class="muComment"># then move to end of previous word</span>
+<span id="L174" class="LineNr"> 174 </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="L175" class="LineNr"> 175 </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="L176" class="LineNr"> 176 </span>    <span class="Delimiter">{</span>
+<span id="L177" class="LineNr"> 177 </span>      compare prev-word, <span class="Constant">0</span>
+<span id="L178" class="LineNr"> 178 </span>      <span class="PreProc">break-if-=</span>
+<span id="L179" class="LineNr"> 179 </span><span class="CommentedCode">#?       print-string 0, &quot;move to previous word\n&quot;</span>
+<span id="L180" class="LineNr"> 180 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> prev-word
+<span id="L181" class="LineNr"> 181 </span><span class="CommentedCode">#?       {</span>
+<span id="L182" class="LineNr"> 182 </span><span class="CommentedCode">#?         var cursor-call-path-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
+<span id="L183" class="LineNr"> 183 </span><span class="CommentedCode">#?         var cursor-call-path/eax: (addr call-path-element) &lt;- lookup *cursor-call-path-ah</span>
+<span id="L184" class="LineNr"> 184 </span><span class="CommentedCode">#?         var cursor-word-ah/eax: (addr handle word) &lt;- get cursor-call-path, word</span>
+<span id="L185" class="LineNr"> 185 </span><span class="CommentedCode">#?         var _cursor-word/eax: (addr word) &lt;- lookup *cursor-word-ah</span>
+<span id="L186" class="LineNr"> 186 </span><span class="CommentedCode">#?         var cursor-word/ebx: (addr word) &lt;- copy _cursor-word</span>
+<span id="L187" class="LineNr"> 187 </span><span class="CommentedCode">#?         print-string 0, &quot;word at cursor before: &quot;</span>
+<span id="L188" class="LineNr"> 188 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
+<span id="L189" class="LineNr"> 189 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L190" class="LineNr"> 190 </span><span class="CommentedCode">#?       }</span>
+<span id="L191" class="LineNr"> 191 </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="L192" class="LineNr"> 192 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path
+<span id="L193" class="LineNr"> 193 </span><span class="CommentedCode">#?       {</span>
+<span id="L194" class="LineNr"> 194 </span><span class="CommentedCode">#?         var cursor-call-path-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
+<span id="L195" class="LineNr"> 195 </span><span class="CommentedCode">#?         var cursor-call-path/eax: (addr call-path-element) &lt;- lookup *cursor-call-path-ah</span>
+<span id="L196" class="LineNr"> 196 </span><span class="CommentedCode">#?         var cursor-word-ah/eax: (addr handle word) &lt;- get cursor-call-path, word</span>
+<span id="L197" class="LineNr"> 197 </span><span class="CommentedCode">#?         var _cursor-word/eax: (addr word) &lt;- lookup *cursor-word-ah</span>
+<span id="L198" class="LineNr"> 198 </span><span class="CommentedCode">#?         var cursor-word/ebx: (addr word) &lt;- copy _cursor-word</span>
+<span id="L199" class="LineNr"> 199 </span><span class="CommentedCode">#?         print-string 0, &quot;word at cursor after: &quot;</span>
+<span id="L200" class="LineNr"> 200 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
+<span id="L201" class="LineNr"> 201 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L202" class="LineNr"> 202 </span><span class="CommentedCode">#?       }</span>
+<span id="L203" class="LineNr"> 203 </span>    <span class="Delimiter">}</span>
+<span id="L204" class="LineNr"> 204 </span>    <span class="PreProc">return</span>
+<span id="L205" class="LineNr"> 205 </span>  <span class="Delimiter">}</span>
+<span id="L206" class="LineNr"> 206 </span>  compare key, <span class="Constant">0x435b1b</span>  <span class="muComment"># right-arrow</span>
+<span id="L207" class="LineNr"> 207 </span>  $process-sandbox-edit:key-right-arrow: <span class="Delimiter">{</span>
+<span id="L208" class="LineNr"> 208 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L209" class="LineNr"> 209 </span>    <span class="muComment"># if not at end, move right within current word</span>
+<span id="L210" class="LineNr"> 210 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L178'>cursor-at-end?</a> cursor-word
+<span id="L211" class="LineNr"> 211 </span>    compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L212" class="LineNr"> 212 </span>    <span class="Delimiter">{</span>
 <span id="L213" class="LineNr"> 213 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L214" class="LineNr"> 214 </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="L215" class="LineNr"> 215 </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="L216" class="LineNr"> 216 </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="L217" class="LineNr"> 217 </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="L218" class="LineNr"> 218 </span>      compare next-cursor-element, <span class="Constant">0</span>
-<span id="L219" class="LineNr"> 219 </span>      <span class="PreProc">break-if-=</span>
-<span id="L220" class="LineNr"> 220 </span>      copy-object next-cursor-element-ah, cursor-call-path-ah
-<span id="L221" class="LineNr"> 221 </span>      <span class="PreProc">return</span>
-<span id="L222" class="LineNr"> 222 </span>    <span class="Delimiter">}</span>
-<span id="L223" class="LineNr"> 223 </span>    <span class="muComment"># otherwise, move to the next word</span>
-<span id="L224" class="LineNr"> 224 </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="L225" class="LineNr"> 225 </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="L226" class="LineNr"> 226 </span>    <span class="Delimiter">{</span>
-<span id="L227" class="LineNr"> 227 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
-<span id="L228" class="LineNr"> 228 </span>      <span class="PreProc">break-if-=</span>
-<span id="L229" class="LineNr"> 229 </span><span class="CommentedCode">#?       print-string 0, &quot;b\n&quot;</span>
-<span id="L230" class="LineNr"> 230 </span>      <a href='word.mu.html#L200'>cursor-to-start</a> <a href='../../127next-word.subx.html#L10'>next-word</a>
-<span id="L231" class="LineNr"> 231 </span>      <span class="muS2Comment"># . . cursor-word now out of date</span>
-<span id="L232" class="LineNr"> 232 </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="L233" class="LineNr"> 233 </span>      <a href='data.mu.html#L429'>increment-final-element</a> cursor-call-path
-<span id="L234" class="LineNr"> 234 </span>      <span class="muComment"># Is the new cursor word expanded? If so, it's a function call. Add a</span>
-<span id="L235" class="LineNr"> 235 </span>      <span class="muComment"># new level to the cursor-call-path for the call's body.</span>
-<span id="L236" class="LineNr"> 236 </span>      $process-sandbox:key-right-arrow-next-word-is-call-expanded: <span class="Delimiter">{</span>
-<span id="L237" class="LineNr"> 237 </span><span class="CommentedCode">#?         print-string 0, &quot;c\n&quot;</span>
-<span id="L238" class="LineNr"> 238 </span>        <span class="Delimiter">{</span>
-<span id="L239" class="LineNr"> 239 </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="L240" class="LineNr"> 240 </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#L303'>find-in-call-paths</a> expanded-words, cursor-call-path
-<span id="L241" class="LineNr"> 241 </span>          compare curr-word-is-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L242" class="LineNr"> 242 </span>          <span class="PreProc">break-if-=</span> $process-sandbox:key-right-arrow-next-word-is-call-expanded
-<span id="L243" class="LineNr"> 243 </span>        <span class="Delimiter">}</span>
-<span id="L244" class="LineNr"> 244 </span>        <span class="PreProc">var</span> callee-h: (handle <a href='data.mu.html#L14'>function</a>)
-<span id="L245" class="LineNr"> 245 </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="L246" class="LineNr"> 246 </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="L247" class="LineNr"> 247 </span>        <a href='environment.mu.html#L1387'>callee</a> functions, <a href='../../127next-word.subx.html#L10'>next-word</a>, callee-ah
-<span id="L248" class="LineNr"> 248 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1387'>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="L249" class="LineNr"> 249 </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#L1387'>callee</a>, body
-<span id="L250" class="LineNr"> 250 </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="L251" class="LineNr"> 251 </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="L252" class="LineNr"> 252 </span>        <a href='data.mu.html#L491'>push-to-call-path-element</a> cursor-call-path, callee-body-first-word
-<span id="L253" class="LineNr"> 253 </span>        <span class="muComment"># position cursor at left</span>
-<span id="L254" class="LineNr"> 254 </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="L255" class="LineNr"> 255 </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="L256" class="LineNr"> 256 </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="L257" class="LineNr"> 257 </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="L258" class="LineNr"> 258 </span>        <a href='word.mu.html#L200'>cursor-to-start</a> cursor-word
-<span id="L259" class="LineNr"> 259 </span><span class="CommentedCode">#?         print-string 0, &quot;d\n&quot;</span>
-<span id="L260" class="LineNr"> 260 </span>        <span class="PreProc">return</span>
-<span id="L261" class="LineNr"> 261 </span>      <span class="Delimiter">}</span>
-<span id="L262" class="LineNr"> 262 </span>    <span class="Delimiter">}</span>
-<span id="L263" class="LineNr"> 263 </span>    <span class="PreProc">return</span>
-<span id="L264" class="LineNr"> 264 </span>  <span class="Delimiter">}</span>
-<span id="L265" class="LineNr"> 265 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
-<span id="L266" class="LineNr"> 266 </span>  <span class="Delimiter">{</span>
-<span id="L267" class="LineNr"> 267 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L268" class="LineNr"> 268 </span>    <span class="muComment"># toggle display of subsidiary stack</span>
-<span id="L269" class="LineNr"> 269 </span>    <a href='environment.mu.html#L896'>toggle-cursor-word</a> <a href='data.mu.html#L1'>sandbox</a>
-<span id="L270" class="LineNr"> 270 </span>    <span class="PreProc">return</span>
-<span id="L271" class="LineNr"> 271 </span>  <span class="Delimiter">}</span>
-<span id="L272" class="LineNr"> 272 </span>  compare key, <span class="Constant">0xc</span>  <span class="muComment"># ctrl-l</span>
-<span id="L273" class="LineNr"> 273 </span>  $process-sandbox:new-line: <span class="Delimiter">{</span>
-<span id="L274" class="LineNr"> 274 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L275" class="LineNr"> 275 </span>    <span class="muComment"># new line in sandbox</span>
-<span id="L276" class="LineNr"> 276 </span>    <a href='environment.mu.html#L922'>append-line</a> <a href='data.mu.html#L1'>sandbox</a>
-<span id="L277" class="LineNr"> 277 </span>    <span class="PreProc">return</span>
-<span id="L278" class="LineNr"> 278 </span>  <span class="Delimiter">}</span>
-<span id="L279" class="LineNr"> 279 </span>  <span class="muComment"># word-based motions</span>
-<span id="L280" class="LineNr"> 280 </span>  compare key, <span class="Constant">2</span>  <span class="muComment"># ctrl-b</span>
-<span id="L281" class="LineNr"> 281 </span>  $process-sandbox:prev-word: <span class="Delimiter">{</span>
-<span id="L282" class="LineNr"> 282 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L283" class="LineNr"> 283 </span>    <span class="muComment"># jump to previous word at same level</span>
-<span id="L284" class="LineNr"> 284 </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="L285" class="LineNr"> 285 </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="L286" class="LineNr"> 286 </span>    <span class="Delimiter">{</span>
-<span id="L287" class="LineNr"> 287 </span>      compare prev-word, <span class="Constant">0</span>
-<span id="L288" class="LineNr"> 288 </span>      <span class="PreProc">break-if-=</span>
-<span id="L289" class="LineNr"> 289 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> prev-word
-<span id="L290" class="LineNr"> 290 </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="L291" class="LineNr"> 291 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path
-<span id="L292" class="LineNr"> 292 </span>      <span class="PreProc">return</span>
-<span id="L293" class="LineNr"> 293 </span>    <span class="Delimiter">}</span>
-<span id="L294" class="LineNr"> 294 </span>    <span class="muComment"># if previous word doesn't exist, try to bump up one level</span>
-<span id="L295" class="LineNr"> 295 </span>    <span class="Delimiter">{</span>
-<span id="L296" class="LineNr"> 296 </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="L297" class="LineNr"> 297 </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="L298" class="LineNr"> 298 </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="L299" class="LineNr"> 299 </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="L300" class="LineNr"> 300 </span>      compare caller-cursor-element, <span class="Constant">0</span>
-<span id="L301" class="LineNr"> 301 </span>      <span class="PreProc">break-if-=</span>
-<span id="L302" class="LineNr"> 302 </span>      <span class="muComment"># check if previous word exists in caller</span>
-<span id="L303" class="LineNr"> 303 </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="L304" class="LineNr"> 304 </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="L305" class="LineNr"> 305 </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="L306" class="LineNr"> 306 </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="L307" class="LineNr"> 307 </span>      compare word-before-caller, <span class="Constant">0</span>
-<span id="L308" class="LineNr"> 308 </span>      <span class="PreProc">break-if-=</span>
-<span id="L309" class="LineNr"> 309 </span>      <span class="muComment"># if so jump to it</span>
-<span id="L310" class="LineNr"> 310 </span>      <a href='data.mu.html#L506'>drop-from-call-path-element</a> cursor-call-path-ah
-<span id="L311" class="LineNr"> 311 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path-ah
-<span id="L312" class="LineNr"> 312 </span>      <span class="PreProc">return</span>
-<span id="L313" class="LineNr"> 313 </span>    <span class="Delimiter">}</span>
-<span id="L314" class="LineNr"> 314 </span>  <span class="Delimiter">}</span>
-<span id="L315" class="LineNr"> 315 </span>  compare key, <span class="Constant">6</span>  <span class="muComment"># ctrl-f</span>
-<span id="L316" class="LineNr"> 316 </span>  $process-sandbox:<a href='../../127next-word.subx.html#L10'>next-word</a>: <span class="Delimiter">{</span>
-<span id="L317" class="LineNr"> 317 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L318" class="LineNr"> 318 </span><span class="CommentedCode">#?     print-string 0, &quot;AA\n&quot;</span>
-<span id="L319" class="LineNr"> 319 </span>    <span class="muComment"># jump to previous word at same level</span>
-<span id="L320" class="LineNr"> 320 </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="L321" class="LineNr"> 321 </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="L322" class="LineNr"> 322 </span>    <span class="Delimiter">{</span>
-<span id="L323" class="LineNr"> 323 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
-<span id="L324" class="LineNr"> 324 </span>      <span class="PreProc">break-if-=</span>
-<span id="L325" class="LineNr"> 325 </span><span class="CommentedCode">#?       print-string 0, &quot;BB\n&quot;</span>
-<span id="L326" class="LineNr"> 326 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> <a href='../../127next-word.subx.html#L10'>next-word</a>
-<span id="L327" class="LineNr"> 327 </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="L328" class="LineNr"> 328 </span>      <a href='data.mu.html#L429'>increment-final-element</a> cursor-call-path
-<span id="L329" class="LineNr"> 329 </span>      <span class="PreProc">return</span>
-<span id="L330" class="LineNr"> 330 </span>    <span class="Delimiter">}</span>
-<span id="L331" class="LineNr"> 331 </span>    <span class="muComment"># if next word doesn't exist, try to bump up one level</span>
-<span id="L332" class="LineNr"> 332 </span><span class="CommentedCode">#?     print-string 0, &quot;CC\n&quot;</span>
-<span id="L333" class="LineNr"> 333 </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="L334" class="LineNr"> 334 </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="L335" class="LineNr"> 335 </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="L336" class="LineNr"> 336 </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="L337" class="LineNr"> 337 </span>    compare caller-cursor-element, <span class="Constant">0</span>
-<span id="L338" class="LineNr"> 338 </span>    <span class="PreProc">break-if-=</span>
-<span id="L339" class="LineNr"> 339 </span><span class="CommentedCode">#?     print-string 0, &quot;DD\n&quot;</span>
-<span id="L340" class="LineNr"> 340 </span>    copy-object caller-cursor-element-ah, cursor-call-path-ah
-<span id="L341" class="LineNr"> 341 </span>    <span class="PreProc">return</span>
-<span id="L342" class="LineNr"> 342 </span>  <span class="Delimiter">}</span>
-<span id="L343" class="LineNr"> 343 </span>  <span class="muComment"># line-based motions</span>
-<span id="L344" class="LineNr"> 344 </span>  compare key, <span class="Constant">1</span>  <span class="muComment"># ctrl-a</span>
-<span id="L345" class="LineNr"> 345 </span>  $process-sandbox:start-of-line: <span class="Delimiter">{</span>
-<span id="L346" class="LineNr"> 346 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L347" class="LineNr"> 347 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
-<span id="L348" class="LineNr"> 348 </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="L349" class="LineNr"> 349 </span>    <a href='data.mu.html#L513'>drop-nested-calls</a> cursor-call-path-ah
-<span id="L350" class="LineNr"> 350 </span>    <a href='data.mu.html#L465'>move-final-element-to-start-of-line</a> cursor-call-path-ah
-<span id="L351" class="LineNr"> 351 </span>    <span class="muComment"># move cursor to start of word</span>
-<span id="L352" class="LineNr"> 352 </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="L353" class="LineNr"> 353 </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="L354" class="LineNr"> 354 </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="L355" class="LineNr"> 355 </span>    <a href='word.mu.html#L200'>cursor-to-start</a> cursor-word
-<span id="L356" class="LineNr"> 356 </span>    <span class="muComment"># this works as long as the first word isn't expanded</span>
-<span id="L357" class="LineNr"> 357 </span>    <span class="muComment"># but we don't expect to see zero-arg functions first-up</span>
-<span id="L358" class="LineNr"> 358 </span>    <span class="PreProc">return</span>
-<span id="L359" class="LineNr"> 359 </span>  <span class="Delimiter">}</span>
-<span id="L360" class="LineNr"> 360 </span>  compare key, <span class="Constant">5</span>  <span class="muComment"># ctrl-e</span>
-<span id="L361" class="LineNr"> 361 </span>  $process-sandbox:end-of-line: <span class="Delimiter">{</span>
-<span id="L362" class="LineNr"> 362 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L363" class="LineNr"> 363 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
-<span id="L364" class="LineNr"> 364 </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="L365" class="LineNr"> 365 </span>    <a href='data.mu.html#L513'>drop-nested-calls</a> cursor-call-path-ah
-<span id="L366" class="LineNr"> 366 </span>    <a href='data.mu.html#L478'>move-final-element-to-end-of-line</a> cursor-call-path-ah
-<span id="L367" class="LineNr"> 367 </span>    <span class="muComment"># move cursor to end of word</span>
-<span id="L368" class="LineNr"> 368 </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="L369" class="LineNr"> 369 </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="L370" class="LineNr"> 370 </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="L371" class="LineNr"> 371 </span>    <a href='word.mu.html#L207'>cursor-to-end</a> cursor-word
-<span id="L372" class="LineNr"> 372 </span>    <span class="muComment"># this works because expanded words lie to the right of their bodies</span>
-<span id="L373" class="LineNr"> 373 </span>    <span class="muComment"># so the final word is always guaranteed to be at the top-level</span>
-<span id="L374" class="LineNr"> 374 </span>    <span class="PreProc">return</span>
-<span id="L375" class="LineNr"> 375 </span>  <span class="Delimiter">}</span>
-<span id="L376" class="LineNr"> 376 </span>  compare key, <span class="Constant">0x15</span>  <span class="muComment"># ctrl-u</span>
-<span id="L377" class="LineNr"> 377 </span>  $process-sandbox:clear-line: <span class="Delimiter">{</span>
-<span id="L378" class="LineNr"> 378 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L379" class="LineNr"> 379 </span>    <span class="muComment"># clear line in sandbox</span>
-<span id="L380" class="LineNr"> 380 </span>    <a href='data.mu.html#L75'>initialize-sandbox</a> <a href='data.mu.html#L1'>sandbox</a>
-<span id="L381" class="LineNr"> 381 </span>    <span class="PreProc">return</span>
-<span id="L382" class="LineNr"> 382 </span>  <span class="Delimiter">}</span>
-<span id="L383" class="LineNr"> 383 </span>  <span class="muComment"># if cursor is within a call, disable editing hotkeys below</span>
-<span id="L384" class="LineNr"> 384 </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="L385" class="LineNr"> 385 </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="L386" class="LineNr"> 386 </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="L387" class="LineNr"> 387 </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="L388" class="LineNr"> 388 </span>  compare next-cursor-element, <span class="Constant">0</span>
-<span id="L389" class="LineNr"> 389 </span>  <span class="Delimiter">{</span>
-<span id="L390" class="LineNr"> 390 </span>    <span class="PreProc">break-if-=</span>
+<span id="L214" class="LineNr"> 214 </span><span class="CommentedCode">#?       print-string 0, &quot;a\n&quot;</span>
+<span id="L215" class="LineNr"> 215 </span>      <a href='word.mu.html#L193'>cursor-right</a> cursor-word
+<span id="L216" class="LineNr"> 216 </span>      <span class="PreProc">return</span>
+<span id="L217" class="LineNr"> 217 </span>    <span class="Delimiter">}</span>
+<span id="L218" class="LineNr"> 218 </span>    <span class="muComment"># if at final word, look for a caller to jump to</span>
+<span id="L219" class="LineNr"> 219 </span>    <span class="Delimiter">{</span>
+<span id="L220" class="LineNr"> 220 </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="L221" class="LineNr"> 221 </span>      <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L11'>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="L222" class="LineNr"> 222 </span>      compare <a href='../../127next-word.subx.html#L11'>next-word</a>, <span class="Constant">0</span>
+<span id="L223" class="LineNr"> 223 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L224" class="LineNr"> 224 </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="L225" class="LineNr"> 225 </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="L226" class="LineNr"> 226 </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="L227" class="LineNr"> 227 </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="L228" class="LineNr"> 228 </span>      compare next-cursor-element, <span class="Constant">0</span>
+<span id="L229" class="LineNr"> 229 </span>      <span class="PreProc">break-if-=</span>
+<span id="L230" class="LineNr"> 230 </span>      copy-object next-cursor-element-ah, cursor-call-path-ah
+<span id="L231" class="LineNr"> 231 </span>      <span class="PreProc">return</span>
+<span id="L232" class="LineNr"> 232 </span>    <span class="Delimiter">}</span>
+<span id="L233" class="LineNr"> 233 </span>    <span class="muComment"># otherwise, move to the next word</span>
+<span id="L234" class="LineNr"> 234 </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="L235" class="LineNr"> 235 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L11'>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="L236" class="LineNr"> 236 </span>    <span class="Delimiter">{</span>
+<span id="L237" class="LineNr"> 237 </span>      compare <a href='../../127next-word.subx.html#L11'>next-word</a>, <span class="Constant">0</span>
+<span id="L238" class="LineNr"> 238 </span>      <span class="PreProc">break-if-=</span>
+<span id="L239" class="LineNr"> 239 </span><span class="CommentedCode">#?       print-string 0, &quot;b\n&quot;</span>
+<span id="L240" class="LineNr"> 240 </span>      <a href='word.mu.html#L200'>cursor-to-start</a> <a href='../../127next-word.subx.html#L11'>next-word</a>
+<span id="L241" class="LineNr"> 241 </span>      <span class="muS2Comment"># . . cursor-word now out of date</span>
+<span id="L242" class="LineNr"> 242 </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="L243" class="LineNr"> 243 </span>      <a href='data.mu.html#L429'>increment-final-element</a> cursor-call-path
+<span id="L244" class="LineNr"> 244 </span>      <span class="muComment"># Is the new cursor word expanded? If so, it's a function call. Add a</span>
+<span id="L245" class="LineNr"> 245 </span>      <span class="muComment"># new level to the cursor-call-path for the call's body.</span>
+<span id="L246" class="LineNr"> 246 </span>      $process-sandbox-edit:key-right-arrow-next-word-is-call-expanded: <span class="Delimiter">{</span>
+<span id="L247" class="LineNr"> 247 </span><span class="CommentedCode">#?         print-string 0, &quot;c\n&quot;</span>
+<span id="L248" class="LineNr"> 248 </span>        <span class="Delimiter">{</span>
+<span id="L249" class="LineNr"> 249 </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="L250" class="LineNr"> 250 </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#L303'>find-in-call-paths</a> expanded-words, cursor-call-path
+<span id="L251" class="LineNr"> 251 </span>          compare curr-word-is-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L252" class="LineNr"> 252 </span>          <span class="PreProc">break-if-=</span> $process-sandbox-edit:key-right-arrow-next-word-is-call-expanded
+<span id="L253" class="LineNr"> 253 </span>        <span class="Delimiter">}</span>
+<span id="L254" class="LineNr"> 254 </span>        <span class="PreProc">var</span> callee-h: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L255" class="LineNr"> 255 </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="L256" class="LineNr"> 256 </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="L257" class="LineNr"> 257 </span>        <a href='environment.mu.html#L1397'>callee</a> functions, <a href='../../127next-word.subx.html#L11'>next-word</a>, callee-ah
+<span id="L258" class="LineNr"> 258 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1397'>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="L259" class="LineNr"> 259 </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#L1397'>callee</a>, body
+<span id="L260" class="LineNr"> 260 </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="L261" class="LineNr"> 261 </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="L262" class="LineNr"> 262 </span>        <a href='data.mu.html#L491'>push-to-call-path-element</a> cursor-call-path, callee-body-first-word
+<span id="L263" class="LineNr"> 263 </span>        <span class="muComment"># position cursor at left</span>
+<span id="L264" class="LineNr"> 264 </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="L265" class="LineNr"> 265 </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="L266" class="LineNr"> 266 </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="L267" class="LineNr"> 267 </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="L268" class="LineNr"> 268 </span>        <a href='word.mu.html#L200'>cursor-to-start</a> cursor-word
+<span id="L269" class="LineNr"> 269 </span><span class="CommentedCode">#?         print-string 0, &quot;d\n&quot;</span>
+<span id="L270" class="LineNr"> 270 </span>        <span class="PreProc">return</span>
+<span id="L271" class="LineNr"> 271 </span>      <span class="Delimiter">}</span>
+<span id="L272" class="LineNr"> 272 </span>    <span class="Delimiter">}</span>
+<span id="L273" class="LineNr"> 273 </span>    <span class="PreProc">return</span>
+<span id="L274" class="LineNr"> 274 </span>  <span class="Delimiter">}</span>
+<span id="L275" class="LineNr"> 275 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
+<span id="L276" class="LineNr"> 276 </span>  <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"># toggle display of subsidiary stack</span>
+<span id="L279" class="LineNr"> 279 </span>    <a href='environment.mu.html#L906'>toggle-cursor-word</a> <a href='data.mu.html#L1'>sandbox</a>
+<span id="L280" class="LineNr"> 280 </span>    <span class="PreProc">return</span>
+<span id="L281" class="LineNr"> 281 </span>  <span class="Delimiter">}</span>
+<span id="L282" class="LineNr"> 282 </span>  compare key, <span class="Constant">0xc</span>  <span class="muComment"># ctrl-l</span>
+<span id="L283" class="LineNr"> 283 </span>  $process-sandbox-edit:new-line: <span class="Delimiter">{</span>
+<span id="L284" class="LineNr"> 284 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L285" class="LineNr"> 285 </span>    <span class="muComment"># new line in sandbox</span>
+<span id="L286" class="LineNr"> 286 </span>    <a href='environment.mu.html#L932'>append-line</a> <a href='data.mu.html#L1'>sandbox</a>
+<span id="L287" class="LineNr"> 287 </span>    <span class="PreProc">return</span>
+<span id="L288" class="LineNr"> 288 </span>  <span class="Delimiter">}</span>
+<span id="L289" class="LineNr"> 289 </span>  <span class="muComment"># word-based motions</span>
+<span id="L290" class="LineNr"> 290 </span>  compare key, <span class="Constant">2</span>  <span class="muComment"># ctrl-b</span>
+<span id="L291" class="LineNr"> 291 </span>  $process-sandbox-edit:prev-word: <span class="Delimiter">{</span>
+<span id="L292" class="LineNr"> 292 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L293" class="LineNr"> 293 </span>    <span class="muComment"># jump to previous word at same level</span>
+<span id="L294" class="LineNr"> 294 </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="L295" class="LineNr"> 295 </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="L296" class="LineNr"> 296 </span>    <span class="Delimiter">{</span>
+<span id="L297" class="LineNr"> 297 </span>      compare prev-word, <span class="Constant">0</span>
+<span id="L298" class="LineNr"> 298 </span>      <span class="PreProc">break-if-=</span>
+<span id="L299" class="LineNr"> 299 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> prev-word
+<span id="L300" class="LineNr"> 300 </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="L301" class="LineNr"> 301 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path
+<span id="L302" class="LineNr"> 302 </span>      <span class="PreProc">return</span>
+<span id="L303" class="LineNr"> 303 </span>    <span class="Delimiter">}</span>
+<span id="L304" class="LineNr"> 304 </span>    <span class="muComment"># if previous word doesn't exist, try to bump up one level</span>
+<span id="L305" class="LineNr"> 305 </span>    <span class="Delimiter">{</span>
+<span id="L306" class="LineNr"> 306 </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="L307" class="LineNr"> 307 </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="L308" class="LineNr"> 308 </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="L309" class="LineNr"> 309 </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="L310" class="LineNr"> 310 </span>      compare caller-cursor-element, <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"># check if previous word exists in caller</span>
+<span id="L313" class="LineNr"> 313 </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="L314" class="LineNr"> 314 </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="L315" class="LineNr"> 315 </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="L316" class="LineNr"> 316 </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="L317" class="LineNr"> 317 </span>      compare word-before-caller, <span class="Constant">0</span>
+<span id="L318" class="LineNr"> 318 </span>      <span class="PreProc">break-if-=</span>
+<span id="L319" class="LineNr"> 319 </span>      <span class="muComment"># if so jump to it</span>
+<span id="L320" class="LineNr"> 320 </span>      <a href='data.mu.html#L506'>drop-from-call-path-element</a> cursor-call-path-ah
+<span id="L321" class="LineNr"> 321 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path-ah
+<span id="L322" class="LineNr"> 322 </span>      <span class="PreProc">return</span>
+<span id="L323" class="LineNr"> 323 </span>    <span class="Delimiter">}</span>
+<span id="L324" class="LineNr"> 324 </span>  <span class="Delimiter">}</span>
+<span id="L325" class="LineNr"> 325 </span>  compare key, <span class="Constant">6</span>  <span class="muComment"># ctrl-f</span>
+<span id="L326" class="LineNr"> 326 </span>  $process-sandbox-edit:<a href='../../127next-word.subx.html#L11'>next-word</a>: <span class="Delimiter">{</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;AA\n&quot;</span>
+<span id="L329" class="LineNr"> 329 </span>    <span class="muComment"># jump to previous word at same level</span>
+<span id="L330" class="LineNr"> 330 </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="L331" class="LineNr"> 331 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L11'>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="L332" class="LineNr"> 332 </span>    <span class="Delimiter">{</span>
+<span id="L333" class="LineNr"> 333 </span>      compare <a href='../../127next-word.subx.html#L11'>next-word</a>, <span class="Constant">0</span>
+<span id="L334" class="LineNr"> 334 </span>      <span class="PreProc">break-if-=</span>
+<span id="L335" class="LineNr"> 335 </span><span class="CommentedCode">#?       print-string 0, &quot;BB\n&quot;</span>
+<span id="L336" class="LineNr"> 336 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> <a href='../../127next-word.subx.html#L11'>next-word</a>
+<span id="L337" class="LineNr"> 337 </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="L338" class="LineNr"> 338 </span>      <a href='data.mu.html#L429'>increment-final-element</a> cursor-call-path
+<span id="L339" class="LineNr"> 339 </span>      <span class="PreProc">return</span>
+<span id="L340" class="LineNr"> 340 </span>    <span class="Delimiter">}</span>
+<span id="L341" class="LineNr"> 341 </span>    <span class="muComment"># if next word doesn't exist, try to bump up one level</span>
+<span id="L342" class="LineNr"> 342 </span><span class="CommentedCode">#?     print-string 0, &quot;CC\n&quot;</span>
+<span id="L343" class="LineNr"> 343 </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="L344" class="LineNr"> 344 </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="L345" class="LineNr"> 345 </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="L346" class="LineNr"> 346 </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="L347" class="LineNr"> 347 </span>    compare caller-cursor-element, <span class="Constant">0</span>
+<span id="L348" class="LineNr"> 348 </span>    <span class="PreProc">break-if-=</span>
+<span id="L349" class="LineNr"> 349 </span><span class="CommentedCode">#?     print-string 0, &quot;DD\n&quot;</span>
+<span id="L350" class="LineNr"> 350 </span>    copy-object caller-cursor-element-ah, cursor-call-path-ah
+<span id="L351" class="LineNr"> 351 </span>    <span class="PreProc">return</span>
+<span id="L352" class="LineNr"> 352 </span>  <span class="Delimiter">}</span>
+<span id="L353" class="LineNr"> 353 </span>  <span class="muComment"># line-based motions</span>
+<span id="L354" class="LineNr"> 354 </span>  compare key, <span class="Constant">1</span>  <span class="muComment"># ctrl-a</span>
+<span id="L355" class="LineNr"> 355 </span>  $process-sandbox-edit:start-of-line: <span class="Delimiter">{</span>
+<span id="L356" class="LineNr"> 356 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L357" class="LineNr"> 357 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
+<span id="L358" class="LineNr"> 358 </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="L359" class="LineNr"> 359 </span>    <a href='data.mu.html#L513'>drop-nested-calls</a> cursor-call-path-ah
+<span id="L360" class="LineNr"> 360 </span>    <a href='data.mu.html#L465'>move-final-element-to-start-of-line</a> cursor-call-path-ah
+<span id="L361" class="LineNr"> 361 </span>    <span class="muComment"># move cursor to start of word</span>
+<span id="L362" class="LineNr"> 362 </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="L363" class="LineNr"> 363 </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="L364" class="LineNr"> 364 </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="L365" class="LineNr"> 365 </span>    <a href='word.mu.html#L200'>cursor-to-start</a> cursor-word
+<span id="L366" class="LineNr"> 366 </span>    <span class="muComment"># this works as long as the first word isn't expanded</span>
+<span id="L367" class="LineNr"> 367 </span>    <span class="muComment"># but we don't expect to see zero-arg functions first-up</span>
+<span id="L368" class="LineNr"> 368 </span>    <span class="PreProc">return</span>
+<span id="L369" class="LineNr"> 369 </span>  <span class="Delimiter">}</span>
+<span id="L370" class="LineNr"> 370 </span>  compare key, <span class="Constant">5</span>  <span class="muComment"># ctrl-e</span>
+<span id="L371" class="LineNr"> 371 </span>  $process-sandbox-edit:end-of-line: <span class="Delimiter">{</span>
+<span id="L372" class="LineNr"> 372 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L373" class="LineNr"> 373 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
+<span id="L374" class="LineNr"> 374 </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="L375" class="LineNr"> 375 </span>    <a href='data.mu.html#L513'>drop-nested-calls</a> cursor-call-path-ah
+<span id="L376" class="LineNr"> 376 </span>    <a href='data.mu.html#L478'>move-final-element-to-end-of-line</a> cursor-call-path-ah
+<span id="L377" class="LineNr"> 377 </span>    <span class="muComment"># move cursor to end of word</span>
+<span id="L378" class="LineNr"> 378 </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="L379" class="LineNr"> 379 </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="L380" class="LineNr"> 380 </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="L381" class="LineNr"> 381 </span>    <a href='word.mu.html#L207'>cursor-to-end</a> cursor-word
+<span id="L382" class="LineNr"> 382 </span>    <span class="muComment"># this works because expanded words lie to the right of their bodies</span>
+<span id="L383" class="LineNr"> 383 </span>    <span class="muComment"># so the final word is always guaranteed to be at the top-level</span>
+<span id="L384" class="LineNr"> 384 </span>    <span class="PreProc">return</span>
+<span id="L385" class="LineNr"> 385 </span>  <span class="Delimiter">}</span>
+<span id="L386" class="LineNr"> 386 </span>  compare key, <span class="Constant">0x15</span>  <span class="muComment"># ctrl-u</span>
+<span id="L387" class="LineNr"> 387 </span>  $process-sandbox-edit:clear-line: <span class="Delimiter">{</span>
+<span id="L388" class="LineNr"> 388 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L389" class="LineNr"> 389 </span>    <span class="muComment"># clear line in sandbox</span>
+<span id="L390" class="LineNr"> 390 </span>    <a href='data.mu.html#L75'>initialize-sandbox</a> <a href='data.mu.html#L1'>sandbox</a>
 <span id="L391" class="LineNr"> 391 </span>    <span class="PreProc">return</span>
 <span id="L392" class="LineNr"> 392 </span>  <span class="Delimiter">}</span>
-<span id="L393" class="LineNr"> 393 </span>  <span class="muComment"># - remaining keys only work at the top row outside any function calls</span>
-<span id="L394" class="LineNr"> 394 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
-<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> <a href='word.mu.html#L170'>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>      <a href='word.mu.html#L222'>delete-before-cursor</a> cursor-word
-<span id="L403" class="LineNr"> 403 </span>      <span class="PreProc">return</span>
-<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 <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>      <a href='word.mu.html#L207'>cursor-to-end</a> prev-word
-<span id="L412" class="LineNr"> 412 </span>      <a href='word.mu.html#L237'>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#L441'>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">return</span>
-<span id="L417" class="LineNr"> 417 </span>  <span class="Delimiter">}</span>
-<span id="L418" class="LineNr"> 418 </span>  compare key, <span class="Constant">0x20</span>  <span class="muComment"># space</span>
-<span id="L419" class="LineNr"> 419 </span>  $process-sandbox:space: <span class="Delimiter">{</span>
-<span id="L420" class="LineNr"> 420 </span>    <span class="PreProc">break-if-!=</span>
-<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> <a href='word.mu.html#L170'>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 <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#L384'>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#L441'>decrement-final-element</a> cursor-call-path
-<span id="L431" class="LineNr"> 431 </span>      <span class="PreProc">return</span>
-<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> <a href='word.mu.html#L147'>first-grapheme</a>/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L147'>first-grapheme</a> cursor-word
-<span id="L437" class="LineNr"> 437 </span>      compare <a href='word.mu.html#L147'>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> <a href='word.mu.html#L155'>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
-<span id="L443" class="LineNr"> 443 </span>    <span class="Delimiter">}</span>
-<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> <a href='word.mu.html#L147'>first-grapheme</a>/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L147'>first-grapheme</a> cursor-word
-<span id="L448" class="LineNr"> 448 </span>      compare <a href='word.mu.html#L147'>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> <a href='word.mu.html#L155'>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>    <a href='word.mu.html#L384'>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#L429'>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> <a href='word.mu.html#L178'>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="Delimiter">{</span>
-<span id="L464" class="LineNr"> 464 </span>      <span class="PreProc">break-if-=</span>
-<span id="L465" class="LineNr"> 465 </span>      <span class="PreProc">return</span>
-<span id="L466" class="LineNr"> 466 </span>    <span class="Delimiter">}</span>
-<span id="L467" class="LineNr"> 467 </span>    <span class="muComment"># otherwise we're in the middle of a word</span>
-<span id="L468" class="LineNr"> 468 </span>    <span class="muComment"># move everything after cursor to the (just created) next word</span>
-<span id="L469" class="LineNr"> 469 </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="L470" class="LineNr"> 470 </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="L471" class="LineNr"> 471 </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="L472" class="LineNr"> 472 </span>    <span class="Delimiter">{</span>
-<span id="L473" class="LineNr"> 473 </span>      <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L178'>cursor-at-end?</a> cursor-word
-<span id="L474" class="LineNr"> 474 </span>      compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L475" class="LineNr"> 475 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L476" class="LineNr"> 476 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L229'>pop-after-cursor</a> cursor-word
-<span id="L477" class="LineNr"> 477 </span>      <a href='word.mu.html#L163'>add-grapheme-to-word</a> <a href='../../127next-word.subx.html#L10'>next-word</a>, g
-<span id="L478" class="LineNr"> 478 </span>      <span class="PreProc">loop</span>
-<span id="L479" class="LineNr"> 479 </span>    <span class="Delimiter">}</span>
-<span id="L480" class="LineNr"> 480 </span>    <a href='word.mu.html#L200'>cursor-to-start</a> <a href='../../127next-word.subx.html#L10'>next-word</a>
-<span id="L481" class="LineNr"> 481 </span>    <span class="PreProc">return</span>
-<span id="L482" class="LineNr"> 482 </span>  <span class="Delimiter">}</span>
-<span id="L483" class="LineNr"> 483 </span>  compare key, <span class="Constant">0xe</span>  <span class="muComment"># ctrl-n</span>
-<span id="L484" class="LineNr"> 484 </span>  $process:rename-word: <span class="Delimiter">{</span>
-<span id="L485" class="LineNr"> 485 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L486" class="LineNr"> 486 </span>    <span class="muComment"># TODO: ensure current word is not a function</span>
-<span id="L487" class="LineNr"> 487 </span>    <span class="muComment"># rename word at cursor</span>
-<span id="L488" class="LineNr"> 488 </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="L489" class="LineNr"> 489 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
-<span id="L490" class="LineNr"> 490 </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="L491" class="LineNr"> 491 </span>    <a href='word.mu.html#L1'>initialize-word</a> new-name
-<span id="L492" class="LineNr"> 492 </span>    <span class="PreProc">return</span>
-<span id="L493" class="LineNr"> 493 </span>  <span class="Delimiter">}</span>
-<span id="L494" class="LineNr"> 494 </span>  compare key, <span class="Constant">4</span>  <span class="muComment"># ctrl-d</span>
-<span id="L495" class="LineNr"> 495 </span>  $process:define-function: <span class="Delimiter">{</span>
-<span id="L496" class="LineNr"> 496 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L497" class="LineNr"> 497 </span>    <span class="muComment"># define function out of line at cursor</span>
-<span id="L498" class="LineNr"> 498 </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="L393" class="LineNr"> 393 </span>  <span class="muComment"># if cursor is within a call, disable editing hotkeys below</span>
+<span id="L394" class="LineNr"> 394 </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="L395" class="LineNr"> 395 </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="L396" class="LineNr"> 396 </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="L397" class="LineNr"> 397 </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="L398" class="LineNr"> 398 </span>  compare next-cursor-element, <span class="Constant">0</span>
+<span id="L399" class="LineNr"> 399 </span>  <span class="Delimiter">{</span>
+<span id="L400" class="LineNr"> 400 </span>    <span class="PreProc">break-if-=</span>
+<span id="L401" class="LineNr"> 401 </span>    <span class="PreProc">return</span>
+<span id="L402" class="LineNr"> 402 </span>  <span class="Delimiter">}</span>
+<span id="L403" class="LineNr"> 403 </span>  <span class="muComment"># - remaining keys only work at the top row outside any function calls</span>
+<span id="L404" class="LineNr"> 404 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
+<span id="L405" class="LineNr"> 405 </span>  $process-sandbox-edit:backspace: <span class="Delimiter">{</span>
+<span id="L406" class="LineNr"> 406 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L407" class="LineNr"> 407 </span>    <span class="muComment"># if not at start of some word, delete grapheme before cursor within current word</span>
+<span id="L408" class="LineNr"> 408 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> cursor-word
+<span id="L409" class="LineNr"> 409 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L410" class="LineNr"> 410 </span>    <span class="Delimiter">{</span>
+<span id="L411" class="LineNr"> 411 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L412" class="LineNr"> 412 </span>      <a href='word.mu.html#L222'>delete-before-cursor</a> cursor-word
+<span id="L413" class="LineNr"> 413 </span>      <span class="PreProc">return</span>
+<span id="L414" class="LineNr"> 414 </span>    <span class="Delimiter">}</span>
+<span id="L415" class="LineNr"> 415 </span>    <span class="muComment"># otherwise delete current word and move to end of prev word</span>
+<span id="L416" class="LineNr"> 416 </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="L417" class="LineNr"> 417 </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="L418" class="LineNr"> 418 </span>    <span class="Delimiter">{</span>
+<span id="L419" class="LineNr"> 419 </span>      compare prev-word, <span class="Constant">0</span>
+<span id="L420" class="LineNr"> 420 </span>      <span class="PreProc">break-if-=</span>
+<span id="L421" class="LineNr"> 421 </span>      <a href='word.mu.html#L207'>cursor-to-end</a> prev-word
+<span id="L422" class="LineNr"> 422 </span>      <a href='word.mu.html#L237'>delete-next</a> prev-word
+<span id="L423" class="LineNr"> 423 </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="L424" class="LineNr"> 424 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path
+<span id="L425" class="LineNr"> 425 </span>    <span class="Delimiter">}</span>
+<span id="L426" class="LineNr"> 426 </span>    <span class="PreProc">return</span>
+<span id="L427" class="LineNr"> 427 </span>  <span class="Delimiter">}</span>
+<span id="L428" class="LineNr"> 428 </span>  compare key, <span class="Constant">0x20</span>  <span class="muComment"># space</span>
+<span id="L429" class="LineNr"> 429 </span>  $process-sandbox-edit:space: <span class="Delimiter">{</span>
+<span id="L430" class="LineNr"> 430 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L431" class="LineNr"> 431 </span><span class="CommentedCode">#?     print-string 0, &quot;space\n&quot;</span>
+<span id="L432" class="LineNr"> 432 </span>    <span class="muComment"># if cursor is at start of word, insert word before</span>
+<span id="L433" class="LineNr"> 433 </span>    <span class="Delimiter">{</span>
+<span id="L434" class="LineNr"> 434 </span>      <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> cursor-word
+<span id="L435" class="LineNr"> 435 </span>      compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L436" class="LineNr"> 436 </span>      <span class="PreProc">break-if-=</span>
+<span id="L437" class="LineNr"> 437 </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="L438" class="LineNr"> 438 </span>      <a href='word.mu.html#L384'>append-word</a> prev-word-ah
+<span id="L439" class="LineNr"> 439 </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="L440" class="LineNr"> 440 </span>      <a href='data.mu.html#L441'>decrement-final-element</a> cursor-call-path
+<span id="L441" class="LineNr"> 441 </span>      <span class="PreProc">return</span>
+<span id="L442" class="LineNr"> 442 </span>    <span class="Delimiter">}</span>
+<span id="L443" class="LineNr"> 443 </span>    <span class="muComment"># if start of word is quote and grapheme before cursor is not, just insert it as usual</span>
+<span id="L444" class="LineNr"> 444 </span>    <span class="muComment"># TODO: support string escaping</span>
+<span id="L445" class="LineNr"> 445 </span>    <span class="Delimiter">{</span>
+<span id="L446" class="LineNr"> 446 </span>      <span class="PreProc">var</span> <a href='word.mu.html#L147'>first-grapheme</a>/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L147'>first-grapheme</a> cursor-word
+<span id="L447" class="LineNr"> 447 </span>      compare <a href='word.mu.html#L147'>first-grapheme</a>, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
+<span id="L448" class="LineNr"> 448 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L449" class="LineNr"> 449 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L155'>grapheme-before-cursor</a> cursor-word
+<span id="L450" class="LineNr"> 450 </span>      compare final-grapheme, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
+<span id="L451" class="LineNr"> 451 </span>      <span class="PreProc">break-if-=</span>
+<span id="L452" class="LineNr"> 452 </span>      <span class="PreProc">break</span> $process-sandbox-edit:space
+<span id="L453" class="LineNr"> 453 </span>    <span class="Delimiter">}</span>
+<span id="L454" class="LineNr"> 454 </span>    <span class="muComment"># if start of word is '[' and grapheme before cursor is not ']', just insert it as usual</span>
+<span id="L455" class="LineNr"> 455 </span>    <span class="muComment"># TODO: support nested arrays</span>
+<span id="L456" class="LineNr"> 456 </span>    <span class="Delimiter">{</span>
+<span id="L457" class="LineNr"> 457 </span>      <span class="PreProc">var</span> <a href='word.mu.html#L147'>first-grapheme</a>/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L147'>first-grapheme</a> cursor-word
+<span id="L458" class="LineNr"> 458 </span>      compare <a href='word.mu.html#L147'>first-grapheme</a>, <span class="Constant">0x5b</span>  <span class="muComment"># '['</span>
+<span id="L459" class="LineNr"> 459 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L460" class="LineNr"> 460 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L155'>grapheme-before-cursor</a> cursor-word
+<span id="L461" class="LineNr"> 461 </span>      compare final-grapheme, <span class="Constant">0x5d</span>  <span class="muComment"># ']'</span>
+<span id="L462" class="LineNr"> 462 </span>      <span class="PreProc">break-if-=</span>
+<span id="L463" class="LineNr"> 463 </span>      <span class="PreProc">break</span> $process-sandbox-edit:space
+<span id="L464" class="LineNr"> 464 </span>    <span class="Delimiter">}</span>
+<span id="L465" class="LineNr"> 465 </span>    <span class="muComment"># otherwise insert word after and move cursor to it for the next key</span>
+<span id="L466" class="LineNr"> 466 </span>    <span class="muComment"># (but we'll continue to track the current cursor-word for the rest of this function)</span>
+<span id="L467" class="LineNr"> 467 </span>    <a href='word.mu.html#L384'>append-word</a> cursor-word-ah
+<span id="L468" class="LineNr"> 468 </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="L469" class="LineNr"> 469 </span>    <a href='data.mu.html#L429'>increment-final-element</a> cursor-call-path
+<span id="L470" class="LineNr"> 470 </span>    <span class="muComment"># if cursor is at end of word, that's all</span>
+<span id="L471" class="LineNr"> 471 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L178'>cursor-at-end?</a> cursor-word
+<span id="L472" class="LineNr"> 472 </span>    compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L473" class="LineNr"> 473 </span>    <span class="Delimiter">{</span>
+<span id="L474" class="LineNr"> 474 </span>      <span class="PreProc">break-if-=</span>
+<span id="L475" class="LineNr"> 475 </span>      <span class="PreProc">return</span>
+<span id="L476" class="LineNr"> 476 </span>    <span class="Delimiter">}</span>
+<span id="L477" class="LineNr"> 477 </span>    <span class="muComment"># otherwise we're in the middle of a word</span>
+<span id="L478" class="LineNr"> 478 </span>    <span class="muComment"># move everything after cursor to the (just created) next word</span>
+<span id="L479" class="LineNr"> 479 </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="L480" class="LineNr"> 480 </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="L481" class="LineNr"> 481 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L11'>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="L482" class="LineNr"> 482 </span>    <span class="Delimiter">{</span>
+<span id="L483" class="LineNr"> 483 </span>      <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L178'>cursor-at-end?</a> cursor-word
+<span id="L484" class="LineNr"> 484 </span>      compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L485" class="LineNr"> 485 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L486" class="LineNr"> 486 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L229'>pop-after-cursor</a> cursor-word
+<span id="L487" class="LineNr"> 487 </span>      <a href='word.mu.html#L163'>add-grapheme-to-word</a> <a href='../../127next-word.subx.html#L11'>next-word</a>, g
+<span id="L488" class="LineNr"> 488 </span>      <span class="PreProc">loop</span>
+<span id="L489" class="LineNr"> 489 </span>    <span class="Delimiter">}</span>
+<span id="L490" class="LineNr"> 490 </span>    <a href='word.mu.html#L200'>cursor-to-start</a> <a href='../../127next-word.subx.html#L11'>next-word</a>
+<span id="L491" class="LineNr"> 491 </span>    <span class="PreProc">return</span>
+<span id="L492" class="LineNr"> 492 </span>  <span class="Delimiter">}</span>
+<span id="L493" class="LineNr"> 493 </span>  compare key, <span class="Constant">0xe</span>  <span class="muComment"># ctrl-n</span>
+<span id="L494" class="LineNr"> 494 </span>  $process:rename-word: <span class="Delimiter">{</span>
+<span id="L495" class="LineNr"> 495 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L496" class="LineNr"> 496 </span>    <span class="muComment"># TODO: ensure current word is not a function</span>
+<span id="L497" class="LineNr"> 497 </span>    <span class="muComment"># rename word at cursor</span>
+<span id="L498" class="LineNr"> 498 </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="L499" class="LineNr"> 499 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
 <span id="L500" class="LineNr"> 500 </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="L501" class="LineNr"> 501 </span>    <a href='word.mu.html#L1'>initialize-word</a> new-name
 <span id="L502" class="LineNr"> 502 </span>    <span class="PreProc">return</span>
 <span id="L503" class="LineNr"> 503 </span>  <span class="Delimiter">}</span>
-<span id="L504" class="LineNr"> 504 </span>  <span class="muComment"># otherwise insert key within current word</span>
-<span id="L505" class="LineNr"> 505 </span>  <span class="PreProc">var</span> g/<span class="Constant">edx</span>: grapheme <span class="SpecialChar">&lt;-</span> copy key
-<span id="L506" class="LineNr"> 506 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1636'>real-grapheme?</a> key
-<span id="L507" class="LineNr"> 507 </span>  $process-sandbox:real-grapheme: <span class="Delimiter">{</span>
-<span id="L508" class="LineNr"> 508 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L509" class="LineNr"> 509 </span>    <span class="PreProc">break-if-=</span>
-<span id="L510" class="LineNr"> 510 </span>    <a href='word.mu.html#L163'>add-grapheme-to-word</a> cursor-word, g
-<span id="L511" class="LineNr"> 511 </span>    <span class="PreProc">return</span>
-<span id="L512" class="LineNr"> 512 </span>  <span class="Delimiter">}</span>
-<span id="L513" class="LineNr"> 513 </span>  <span class="muComment"># silently ignore other hotkeys</span>
-<span id="L514" class="LineNr"> 514 </span><span class="Delimiter">}</span>
-<span id="L515" class="LineNr"> 515 </span>
-<span id="L516" class="LineNr"> 516 </span><span class="muComment"># collect new name in partial-name-for-cursor-word, and then rename the word</span>
-<span id="L517" class="LineNr"> 517 </span><span class="muComment"># at cursor to it</span>
-<span id="L518" class="LineNr"> 518 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
-<span id="L519" class="LineNr"> 519 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L519'>process-sandbox-rename</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), key: grapheme <span class="Delimiter">{</span>
-<span id="L520" class="LineNr"> 520 </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="L521" class="LineNr"> 521 </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="L522" class="LineNr"> 522 </span>  <span class="muComment"># if 'esc' pressed, cancel rename</span>
-<span id="L523" class="LineNr"> 523 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
-<span id="L524" class="LineNr"> 524 </span>  $process-sandbox-rename:cancel: <span class="Delimiter">{</span>
-<span id="L525" class="LineNr"> 525 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L526" class="LineNr"> 526 </span>    clear-object new-name-ah
-<span id="L527" class="LineNr"> 527 </span>    <span class="PreProc">return</span>
-<span id="L528" class="LineNr"> 528 </span>  <span class="Delimiter">}</span>
-<span id="L529" class="LineNr"> 529 </span>  <span class="muComment"># if 'enter' pressed, perform rename</span>
-<span id="L530" class="LineNr"> 530 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
-<span id="L531" class="LineNr"> 531 </span>  $process-sandbox-rename:commit: <span class="Delimiter">{</span>
-<span id="L532" class="LineNr"> 532 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L533" class="LineNr"> 533 </span><span class="CommentedCode">#?     print-string 0, &quot;rename\n&quot;</span>
-<span id="L534" class="LineNr"> 534 </span>    <span class="muComment"># new line</span>
-<span id="L535" class="LineNr"> 535 </span>    <span class="PreProc">var</span> new-line-h: (handle <a href='data.mu.html#L22'>line</a>)
-<span id="L536" class="LineNr"> 536 </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="L537" class="LineNr"> 537 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-line-ah
-<span id="L538" class="LineNr"> 538 </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="L539" class="LineNr"> 539 </span>    <a href='data.mu.html#L90'>initialize-line</a> new-line
-<span id="L540" class="LineNr"> 540 </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="L541" class="LineNr"> 541 </span>    <span class="Delimiter">{</span>
-<span id="L542" class="LineNr"> 542 </span>      <span class="muComment"># move word at cursor to new line</span>
-<span id="L543" class="LineNr"> 543 </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="L544" class="LineNr"> 544 </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="L545" class="LineNr"> 545 </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="L546" class="LineNr"> 546 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor before at word &quot;</span>
-<span id="L547" class="LineNr"> 547 </span><span class="CommentedCode">#?       {</span>
-<span id="L548" class="LineNr"> 548 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
-<span id="L549" class="LineNr"> 549 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
-<span id="L550" class="LineNr"> 550 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L551" class="LineNr"> 551 </span><span class="CommentedCode">#?       }</span>
-<span id="L552" class="LineNr"> 552 </span>      <a href='word.mu.html#L51'>move-word-contents</a> word-at-cursor-ah, new-line-word-ah
-<span id="L553" class="LineNr"> 553 </span>      <span class="muComment"># copy name to word at cursor</span>
-<span id="L554" class="LineNr"> 554 </span>      <a href='word.mu.html#L74'>copy-word-contents-before-cursor</a> new-name-ah, word-at-cursor-ah
-<span id="L555" class="LineNr"> 555 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor after at word &quot;</span>
-<span id="L556" class="LineNr"> 556 </span><span class="CommentedCode">#?       {</span>
-<span id="L557" class="LineNr"> 557 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
-<span id="L558" class="LineNr"> 558 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
-<span id="L559" class="LineNr"> 559 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L560" class="LineNr"> 560 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
-<span id="L561" class="LineNr"> 561 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L562" class="LineNr"> 562 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L563" class="LineNr"> 563 </span><span class="CommentedCode">#?       }</span>
-<span id="L564" class="LineNr"> 564 </span><span class="CommentedCode">#?       print-string 0, &quot;new name word &quot;</span>
-<span id="L565" class="LineNr"> 565 </span><span class="CommentedCode">#?       {</span>
-<span id="L566" class="LineNr"> 566 </span><span class="CommentedCode">#?         var new-name/eax: (addr word) &lt;- lookup *new-name-ah</span>
-<span id="L567" class="LineNr"> 567 </span><span class="CommentedCode">#?         print-word 0, new-name</span>
-<span id="L568" class="LineNr"> 568 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L569" class="LineNr"> 569 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy new-name</span>
-<span id="L570" class="LineNr"> 570 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L571" class="LineNr"> 571 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L572" class="LineNr"> 572 </span><span class="CommentedCode">#?       }</span>
-<span id="L573" class="LineNr"> 573 </span>    <span class="Delimiter">}</span>
-<span id="L574" class="LineNr"> 574 </span>    <span class="muComment"># prepend '=' to name</span>
-<span id="L575" class="LineNr"> 575 </span>    <span class="Delimiter">{</span>
-<span id="L576" class="LineNr"> 576 </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="L577" class="LineNr"> 577 </span>      <a href='word.mu.html#L200'>cursor-to-start</a> new-name
-<span id="L578" class="LineNr"> 578 </span>      <a href='word.mu.html#L163'>add-grapheme-to-word</a> new-name, <span class="Constant">0x3d</span>  <span class="muComment"># '='</span>
-<span id="L579" class="LineNr"> 579 </span>    <span class="Delimiter">}</span>
-<span id="L580" class="LineNr"> 580 </span>    <span class="muComment"># append name to new line</span>
-<span id="L581" class="LineNr"> 581 </span>    <a href='word.mu.html#L487'>chain-words</a> new-line-word-ah, new-name-ah
-<span id="L582" class="LineNr"> 582 </span>    <span class="muComment"># new-line-&gt;next = sandbox-&gt;data</span>
-<span id="L583" class="LineNr"> 583 </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="L584" class="LineNr"> 584 </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="L585" class="LineNr"> 585 </span>    copy-object sandbox-slot, new-line-next
-<span id="L586" class="LineNr"> 586 </span>    <span class="muComment"># sandbox-&gt;data = new-line</span>
-<span id="L587" class="LineNr"> 587 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> new-line-h, sandbox-slot
-<span id="L588" class="LineNr"> 588 </span>    <span class="muComment"># clear partial-name-for-cursor-word</span>
-<span id="L589" class="LineNr"> 589 </span>    clear-object new-name-ah
-<span id="L590" class="LineNr"> 590 </span><span class="CommentedCode">#?     var cursor-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
-<span id="L591" class="LineNr"> 591 </span><span class="CommentedCode">#?     var cursor/eax: (addr call-path-element) &lt;- lookup *cursor-ah</span>
-<span id="L592" class="LineNr"> 592 </span><span class="CommentedCode">#?     var word-at-cursor-ah/eax: (addr handle word) &lt;- get cursor, word</span>
-<span id="L593" class="LineNr"> 593 </span><span class="CommentedCode">#?     print-string 0, &quot;cursor after rename: &quot;</span>
-<span id="L594" class="LineNr"> 594 </span><span class="CommentedCode">#?     {</span>
-<span id="L595" class="LineNr"> 595 </span><span class="CommentedCode">#?       var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
-<span id="L596" class="LineNr"> 596 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
-<span id="L597" class="LineNr"> 597 </span><span class="CommentedCode">#?       print-string 0, &quot; -- &quot;</span>
-<span id="L598" class="LineNr"> 598 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy cursor-word</span>
-<span id="L599" class="LineNr"> 599 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L600" class="LineNr"> 600 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L601" class="LineNr"> 601 </span><span class="CommentedCode">#?     }</span>
-<span id="L602" class="LineNr"> 602 </span>    <span class="PreProc">return</span>
-<span id="L603" class="LineNr"> 603 </span>  <span class="Delimiter">}</span>
-<span id="L604" class="LineNr"> 604 </span>  <span class="muComment">#</span>
-<span id="L605" class="LineNr"> 605 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
-<span id="L606" class="LineNr"> 606 </span>  $process-sandbox-rename:backspace: <span class="Delimiter">{</span>
-<span id="L607" class="LineNr"> 607 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L608" class="LineNr"> 608 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
-<span id="L609" class="LineNr"> 609 </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="L610" class="LineNr"> 610 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> new-name
-<span id="L611" class="LineNr"> 611 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L612" class="LineNr"> 612 </span>    <span class="Delimiter">{</span>
-<span id="L613" class="LineNr"> 613 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L614" class="LineNr"> 614 </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="L615" class="LineNr"> 615 </span>      <a href='word.mu.html#L222'>delete-before-cursor</a> new-name
-<span id="L616" class="LineNr"> 616 </span>    <span class="Delimiter">}</span>
-<span id="L617" class="LineNr"> 617 </span>    <span class="PreProc">return</span>
-<span id="L618" class="LineNr"> 618 </span>  <span class="Delimiter">}</span>
-<span id="L619" class="LineNr"> 619 </span>  <span class="muComment"># otherwise insert key within current word</span>
-<span id="L620" class="LineNr"> 620 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1636'>real-grapheme?</a> key
-<span id="L621" class="LineNr"> 621 </span>  $process-sandbox-rename:real-grapheme: <span class="Delimiter">{</span>
-<span id="L622" class="LineNr"> 622 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L623" class="LineNr"> 623 </span>    <span class="PreProc">break-if-=</span>
-<span id="L624" class="LineNr"> 624 </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="L625" class="LineNr"> 625 </span>    <a href='word.mu.html#L163'>add-grapheme-to-word</a> new-name, key
-<span id="L626" class="LineNr"> 626 </span>    <span class="PreProc">return</span>
-<span id="L627" class="LineNr"> 627 </span>  <span class="Delimiter">}</span>
-<span id="L628" class="LineNr"> 628 </span>  <span class="muComment"># silently ignore other hotkeys</span>
-<span id="L629" class="LineNr"> 629 </span><span class="Delimiter">}</span>
-<span id="L630" class="LineNr"> 630 </span>
-<span id="L631" class="LineNr"> 631 </span><span class="muComment"># collect new name in partial-name-for-function, and then define the last line</span>
-<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 <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>  <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="L637" class="LineNr"> 637 </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="L638" class="LineNr"> 638 </span>  <span class="muComment"># if 'esc' pressed, cancel define</span>
-<span id="L639" class="LineNr"> 639 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
-<span id="L640" class="LineNr"> 640 </span>  $process-sandbox-define:cancel: <span class="Delimiter">{</span>
-<span id="L641" class="LineNr"> 641 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L642" class="LineNr"> 642 </span>    clear-object new-name-ah
-<span id="L643" class="LineNr"> 643 </span>    <span class="PreProc">return</span>
-<span id="L644" class="LineNr"> 644 </span>  <span class="Delimiter">}</span>
-<span id="L645" class="LineNr"> 645 </span>  <span class="muComment"># if 'enter' pressed, perform define</span>
-<span id="L646" class="LineNr"> 646 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
-<span id="L647" class="LineNr"> 647 </span>  $process-sandbox-define:commit: <span class="Delimiter">{</span>
-<span id="L648" class="LineNr"> 648 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L649" class="LineNr"> 649 </span><span class="CommentedCode">#?     print-string 0, &quot;define\n&quot;</span>
-<span id="L650" class="LineNr"> 650 </span>    <span class="muComment"># create new function</span>
-<span id="L651" class="LineNr"> 651 </span>    <span class="PreProc">var</span> new-function: (handle <a href='data.mu.html#L14'>function</a>)
-<span id="L652" class="LineNr"> 652 </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="L653" class="LineNr"> 653 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-function-ah
-<span id="L654" class="LineNr"> 654 </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="L655" class="LineNr"> 655 </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="L656" class="LineNr"> 656 </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="L657" class="LineNr"> 657 </span>    copy-object functions, dest
-<span id="L658" class="LineNr"> 658 </span>    copy-object new-function-ah, functions
-<span id="L659" class="LineNr"> 659 </span>    <span class="muComment"># set function name to new-name</span>
-<span id="L660" class="LineNr"> 660 </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="L661" class="LineNr"> 661 </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="L662" class="LineNr"> 662 </span>    <a href='word.mu.html#L508'>word-to-string</a> new-name, dest
-<span id="L663" class="LineNr"> 663 </span>    <span class="muComment"># move final line to body</span>
-<span id="L664" class="LineNr"> 664 </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="L665" class="LineNr"> 665 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> body-ah
-<span id="L666" class="LineNr"> 666 </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="L667" class="LineNr"> 667 </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="L668" class="LineNr"> 668 </span>    <span class="PreProc">var</span> final-line-storage: (handle <a href='data.mu.html#L22'>line</a>)
-<span id="L669" class="LineNr"> 669 </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="L670" class="LineNr"> 670 </span>    <a href='environment.mu.html#L1074'>final-line</a> <a href='data.mu.html#L1'>sandbox</a>, final-line-ah
-<span id="L671" class="LineNr"> 671 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1074'>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="L672" class="LineNr"> 672 </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#L1074'>final-line</a>, data
-<span id="L673" class="LineNr"> 673 </span>    copy-object final-line-contents, body-contents
-<span id="L674" class="LineNr"> 674 </span>    <span class="muComment">#</span>
-<span id="L675" class="LineNr"> 675 </span>    <a href='environment.mu.html#L720'>copy-unbound-words-to-args</a> functions
-<span id="L676" class="LineNr"> 676 </span>    <span class="muComment">#</span>
-<span id="L677" class="LineNr"> 677 </span>    <span class="PreProc">var</span> empty-word: (handle <a href='data.mu.html#L30'>word</a>)
-<span id="L678" class="LineNr"> 678 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, final-line-contents
-<span id="L679" class="LineNr"> 679 </span>    <a href='environment.mu.html#L867'>construct-call</a> functions, final-line-contents
-<span id="L680" class="LineNr"> 680 </span>    <span class="muComment"># clear partial-name-for-function</span>
-<span id="L681" class="LineNr"> 681 </span>    <span class="PreProc">var</span> empty-word: (handle <a href='data.mu.html#L30'>word</a>)
-<span id="L682" class="LineNr"> 682 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, new-name-ah
-<span id="L683" class="LineNr"> 683 </span>    <span class="muComment"># update cursor</span>
-<span id="L684" class="LineNr"> 684 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1074'>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="L685" class="LineNr"> 685 </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="L686" class="LineNr"> 686 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> cursor-call-path-ah  <span class="muComment"># leak</span>
-<span id="L687" class="LineNr"> 687 </span>    <a href='data.mu.html#L294'>initialize-path-from-line</a> <a href='environment.mu.html#L1074'>final-line</a>, cursor-call-path-ah
-<span id="L688" class="LineNr"> 688 </span>    <span class="PreProc">return</span>
-<span id="L689" class="LineNr"> 689 </span>  <span class="Delimiter">}</span>
-<span id="L690" class="LineNr"> 690 </span>  <span class="muComment">#</span>
-<span id="L691" class="LineNr"> 691 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
-<span id="L692" class="LineNr"> 692 </span>  $process-sandbox-define:backspace: <span class="Delimiter">{</span>
-<span id="L693" class="LineNr"> 693 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L694" class="LineNr"> 694 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
-<span id="L695" class="LineNr"> 695 </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="L696" class="LineNr"> 696 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> new-name
-<span id="L697" class="LineNr"> 697 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L698" class="LineNr"> 698 </span>    <span class="Delimiter">{</span>
-<span id="L699" class="LineNr"> 699 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L700" class="LineNr"> 700 </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="L701" class="LineNr"> 701 </span>      <a href='word.mu.html#L222'>delete-before-cursor</a> new-name
-<span id="L702" class="LineNr"> 702 </span>    <span class="Delimiter">}</span>
-<span id="L703" class="LineNr"> 703 </span>    <span class="PreProc">return</span>
-<span id="L704" class="LineNr"> 704 </span>  <span class="Delimiter">}</span>
-<span id="L705" class="LineNr"> 705 </span>  <span class="muComment"># otherwise insert key within current word</span>
-<span id="L706" class="LineNr"> 706 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1636'>real-grapheme?</a> key
-<span id="L707" class="LineNr"> 707 </span>  $process-sandbox-define:real-grapheme: <span class="Delimiter">{</span>
-<span id="L708" class="LineNr"> 708 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L709" class="LineNr"> 709 </span>    <span class="PreProc">break-if-=</span>
-<span id="L710" class="LineNr"> 710 </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="L711" class="LineNr"> 711 </span>    <a href='word.mu.html#L163'>add-grapheme-to-word</a> new-name, key
-<span id="L712" class="LineNr"> 712 </span>    <span class="PreProc">return</span>
-<span id="L713" class="LineNr"> 713 </span>  <span class="Delimiter">}</span>
-<span id="L714" class="LineNr"> 714 </span>  <span class="muComment"># silently ignore other hotkeys</span>
-<span id="L715" class="LineNr"> 715 </span><span class="Delimiter">}</span>
-<span id="L716" class="LineNr"> 716 </span>
-<span id="L717" class="LineNr"> 717 </span><span class="muComment"># extract from the body of the first function in 'functions' all words that</span>
-<span id="L718" class="LineNr"> 718 </span><span class="muComment"># aren't defined in the rest of 'functions'. Prepend them in reverse order.</span>
-<span id="L719" class="LineNr"> 719 </span><span class="muComment"># Assumes function body is a single line for now.</span>
-<span id="L720" class="LineNr"> 720 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L720'>copy-unbound-words-to-args</a></span> _functions: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="Delimiter">{</span>
-<span id="L721" class="LineNr"> 721 </span>  <span class="muComment"># target</span>
-<span id="L722" class="LineNr"> 722 </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="L723" class="LineNr"> 723 </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="L724" class="LineNr"> 724 </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="L725" class="LineNr"> 725 </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="L726" class="LineNr"> 726 </span>  <span class="muComment"># next</span>
-<span id="L727" class="LineNr"> 727 </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="L728" class="LineNr"> 728 </span>  <span class="muComment"># src</span>
-<span id="L729" class="LineNr"> 729 </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="L730" class="LineNr"> 730 </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="L731" class="LineNr"> 731 </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="L732" class="LineNr"> 732 </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="L733" class="LineNr"> 733 </span>  <span class="Delimiter">{</span>
-<span id="L734" class="LineNr"> 734 </span>    compare curr, <span class="Constant">0</span>
-<span id="L735" class="LineNr"> 735 </span>    <span class="PreProc">break-if-=</span>
-<span id="L736" class="LineNr"> 736 </span>    $copy-unbound-words-to-args:loop-iter: <span class="Delimiter">{</span>
-<span id="L737" class="LineNr"> 737 </span>      <span class="muComment"># is it a number?</span>
-<span id="L738" class="LineNr"> 738 </span>      <span class="Delimiter">{</span>
-<span id="L739" class="LineNr"> 739 </span>        <span class="PreProc">var</span> is-int?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L515'>word-is-decimal-integer?</a> curr
-<span id="L740" class="LineNr"> 740 </span>        compare is-int?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L741" class="LineNr"> 741 </span>        <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
-<span id="L742" class="LineNr"> 742 </span>      <span class="Delimiter">}</span>
-<span id="L743" class="LineNr"> 743 </span>      <span class="muComment"># is it a pre-existing function?</span>
-<span id="L744" class="LineNr"> 744 </span>      <span class="PreProc">var</span> bound?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L764'>bound-function?</a> curr, functions-ah
-<span id="L745" class="LineNr"> 745 </span>      compare bound?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L746" class="LineNr"> 746 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L747" class="LineNr"> 747 </span>      <span class="muComment"># is it already bound as an arg?</span>
-<span id="L748" class="LineNr"> 748 </span>      <span class="PreProc">var</span> dup?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L858'>arg-exists?</a> _functions, curr  <span class="muComment"># _functions = target-ah</span>
-<span id="L749" class="LineNr"> 749 </span>      compare dup?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L750" class="LineNr"> 750 </span>      <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
-<span id="L751" class="LineNr"> 751 </span>      <span class="muComment"># push copy of curr before dest-ah</span>
-<span id="L752" class="LineNr"> 752 </span>      <span class="PreProc">var</span> rest-h: (handle <a href='data.mu.html#L30'>word</a>)
-<span id="L753" class="LineNr"> 753 </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="L754" class="LineNr"> 754 </span>      copy-object dest-ah, rest-ah
-<span id="L755" class="LineNr"> 755 </span>      <a href='word.mu.html#L371'>copy-word</a> curr, dest-ah
-<span id="L756" class="LineNr"> 756 </span>      <a href='word.mu.html#L487'>chain-words</a> dest-ah, rest-ah
-<span id="L757" class="LineNr"> 757 </span>    <span class="Delimiter">}</span>
-<span id="L758" class="LineNr"> 758 </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="L759" class="LineNr"> 759 </span>    curr <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-ah
-<span id="L760" class="LineNr"> 760 </span>    <span class="PreProc">loop</span>
-<span id="L761" class="LineNr"> 761 </span>  <span class="Delimiter">}</span>
-<span id="L762" class="LineNr"> 762 </span><span class="Delimiter">}</span>
-<span id="L763" class="LineNr"> 763 </span>
-<span id="L764" class="LineNr"> 764 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L764'>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="L765" class="LineNr"> 765 </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="L766" class="LineNr"> 766 </span>  <span class="Delimiter">{</span>
-<span id="L767" class="LineNr"> 767 </span>    <span class="muComment">## numbers</span>
-<span id="L768" class="LineNr"> 768 </span>    <span class="muComment"># if w == &quot;+&quot; return true</span>
-<span id="L769" class="LineNr"> 769 </span>    <span class="PreProc">var</span> subresult/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;+&quot;</span>
-<span id="L770" class="LineNr"> 770 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L771" class="LineNr"> 771 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L772" class="LineNr"> 772 </span>    <span class="muComment"># if w == &quot;-&quot; return true</span>
-<span id="L773" class="LineNr"> 773 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;-&quot;</span>
-<span id="L774" class="LineNr"> 774 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L775" class="LineNr"> 775 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L776" class="LineNr"> 776 </span>    <span class="muComment"># if w == &quot;*&quot; return true</span>
-<span id="L777" class="LineNr"> 777 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;*&quot;</span>
-<span id="L778" class="LineNr"> 778 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L779" class="LineNr"> 779 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L780" class="LineNr"> 780 </span>    <span class="muComment"># if w == &quot;/&quot; return true</span>
-<span id="L781" class="LineNr"> 781 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;/&quot;</span>
-<span id="L782" class="LineNr"> 782 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L783" class="LineNr"> 783 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L784" class="LineNr"> 784 </span>    <span class="muComment"># if w == &quot;sqrt&quot; return true</span>
-<span id="L785" class="LineNr"> 785 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;sqrt&quot;</span>
-<span id="L786" class="LineNr"> 786 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L787" class="LineNr"> 787 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L788" class="LineNr"> 788 </span>    <span class="muComment">## strings/arrays</span>
-<span id="L789" class="LineNr"> 789 </span>    <span class="muComment"># if w == &quot;len&quot; return true</span>
-<span id="L790" class="LineNr"> 790 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;len&quot;</span>
-<span id="L791" class="LineNr"> 791 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L792" class="LineNr"> 792 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L793" class="LineNr"> 793 </span>    <span class="muComment">## files</span>
-<span id="L794" class="LineNr"> 794 </span>    <span class="muComment"># if w == &quot;open&quot; return true</span>
-<span id="L795" class="LineNr"> 795 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;open&quot;</span>
+<span id="L504" class="LineNr"> 504 </span>  compare key, <span class="Constant">4</span>  <span class="muComment"># ctrl-d</span>
+<span id="L505" class="LineNr"> 505 </span>  $process:define-function: <span class="Delimiter">{</span>
+<span id="L506" class="LineNr"> 506 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L507" class="LineNr"> 507 </span>    <span class="muComment"># define function out of line at cursor</span>
+<span id="L508" class="LineNr"> 508 </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="L509" class="LineNr"> 509 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
+<span id="L510" class="LineNr"> 510 </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="L511" class="LineNr"> 511 </span>    <a href='word.mu.html#L1'>initialize-word</a> new-name
+<span id="L512" class="LineNr"> 512 </span>    <span class="PreProc">return</span>
+<span id="L513" class="LineNr"> 513 </span>  <span class="Delimiter">}</span>
+<span id="L514" class="LineNr"> 514 </span>  <span class="muComment"># otherwise insert key within current word</span>
+<span id="L515" class="LineNr"> 515 </span>  <span class="PreProc">var</span> g/<span class="Constant">edx</span>: grapheme <span class="SpecialChar">&lt;-</span> copy key
+<span id="L516" class="LineNr"> 516 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1646'>real-grapheme?</a> key
+<span id="L517" class="LineNr"> 517 </span>  $process-sandbox-edit:real-grapheme: <span class="Delimiter">{</span>
+<span id="L518" class="LineNr"> 518 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L519" class="LineNr"> 519 </span>    <span class="PreProc">break-if-=</span>
+<span id="L520" class="LineNr"> 520 </span>    <a href='word.mu.html#L163'>add-grapheme-to-word</a> cursor-word, g
+<span id="L521" class="LineNr"> 521 </span>    <span class="PreProc">return</span>
+<span id="L522" class="LineNr"> 522 </span>  <span class="Delimiter">}</span>
+<span id="L523" class="LineNr"> 523 </span>  <span class="muComment"># silently ignore other hotkeys</span>
+<span id="L524" class="LineNr"> 524 </span><span class="Delimiter">}</span>
+<span id="L525" class="LineNr"> 525 </span>
+<span id="L526" class="LineNr"> 526 </span><span class="muComment"># collect new name in partial-name-for-cursor-word, and then rename the word</span>
+<span id="L527" class="LineNr"> 527 </span><span class="muComment"># at cursor to it</span>
+<span id="L528" class="LineNr"> 528 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
+<span id="L529" class="LineNr"> 529 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L529'>process-sandbox-rename</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>), key: grapheme <span class="Delimiter">{</span>
+<span id="L530" class="LineNr"> 530 </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="L531" class="LineNr"> 531 </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="L532" class="LineNr"> 532 </span>  <span class="muComment"># if 'esc' pressed, cancel rename</span>
+<span id="L533" class="LineNr"> 533 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
+<span id="L534" class="LineNr"> 534 </span>  $process-sandbox-rename:cancel: <span class="Delimiter">{</span>
+<span id="L535" class="LineNr"> 535 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L536" class="LineNr"> 536 </span>    clear-object new-name-ah
+<span id="L537" class="LineNr"> 537 </span>    <span class="PreProc">return</span>
+<span id="L538" class="LineNr"> 538 </span>  <span class="Delimiter">}</span>
+<span id="L539" class="LineNr"> 539 </span>  <span class="muComment"># if 'enter' pressed, perform rename</span>
+<span id="L540" class="LineNr"> 540 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
+<span id="L541" class="LineNr"> 541 </span>  $process-sandbox-rename:commit: <span class="Delimiter">{</span>
+<span id="L542" class="LineNr"> 542 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L543" class="LineNr"> 543 </span><span class="CommentedCode">#?     print-string 0, &quot;rename\n&quot;</span>
+<span id="L544" class="LineNr"> 544 </span>    <span class="muComment"># new line</span>
+<span id="L545" class="LineNr"> 545 </span>    <span class="PreProc">var</span> new-line-h: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L546" class="LineNr"> 546 </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="L547" class="LineNr"> 547 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-line-ah
+<span id="L548" class="LineNr"> 548 </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="L549" class="LineNr"> 549 </span>    <a href='data.mu.html#L90'>initialize-line</a> new-line
+<span id="L550" class="LineNr"> 550 </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="L551" class="LineNr"> 551 </span>    <span class="Delimiter">{</span>
+<span id="L552" class="LineNr"> 552 </span>      <span class="muComment"># move word at cursor to new line</span>
+<span id="L553" class="LineNr"> 553 </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="L554" class="LineNr"> 554 </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="L555" class="LineNr"> 555 </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="L556" class="LineNr"> 556 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor before at word &quot;</span>
+<span id="L557" class="LineNr"> 557 </span><span class="CommentedCode">#?       {</span>
+<span id="L558" class="LineNr"> 558 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
+<span id="L559" class="LineNr"> 559 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
+<span id="L560" class="LineNr"> 560 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L561" class="LineNr"> 561 </span><span class="CommentedCode">#?       }</span>
+<span id="L562" class="LineNr"> 562 </span>      <a href='word.mu.html#L51'>move-word-contents</a> word-at-cursor-ah, new-line-word-ah
+<span id="L563" class="LineNr"> 563 </span>      <span class="muComment"># copy name to word at cursor</span>
+<span id="L564" class="LineNr"> 564 </span>      <a href='word.mu.html#L74'>copy-word-contents-before-cursor</a> new-name-ah, word-at-cursor-ah
+<span id="L565" class="LineNr"> 565 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor after at word &quot;</span>
+<span id="L566" class="LineNr"> 566 </span><span class="CommentedCode">#?       {</span>
+<span id="L567" class="LineNr"> 567 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
+<span id="L568" class="LineNr"> 568 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
+<span id="L569" class="LineNr"> 569 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L570" class="LineNr"> 570 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
+<span id="L571" class="LineNr"> 571 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
+<span id="L572" class="LineNr"> 572 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L573" class="LineNr"> 573 </span><span class="CommentedCode">#?       }</span>
+<span id="L574" class="LineNr"> 574 </span><span class="CommentedCode">#?       print-string 0, &quot;new name word &quot;</span>
+<span id="L575" class="LineNr"> 575 </span><span class="CommentedCode">#?       {</span>
+<span id="L576" class="LineNr"> 576 </span><span class="CommentedCode">#?         var new-name/eax: (addr word) &lt;- lookup *new-name-ah</span>
+<span id="L577" class="LineNr"> 577 </span><span class="CommentedCode">#?         print-word 0, new-name</span>
+<span id="L578" class="LineNr"> 578 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L579" class="LineNr"> 579 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy new-name</span>
+<span id="L580" class="LineNr"> 580 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
+<span id="L581" class="LineNr"> 581 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L582" class="LineNr"> 582 </span><span class="CommentedCode">#?       }</span>
+<span id="L583" class="LineNr"> 583 </span>    <span class="Delimiter">}</span>
+<span id="L584" class="LineNr"> 584 </span>    <span class="muComment"># prepend '=' to name</span>
+<span id="L585" class="LineNr"> 585 </span>    <span class="Delimiter">{</span>
+<span id="L586" class="LineNr"> 586 </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="L587" class="LineNr"> 587 </span>      <a href='word.mu.html#L200'>cursor-to-start</a> new-name
+<span id="L588" class="LineNr"> 588 </span>      <a href='word.mu.html#L163'>add-grapheme-to-word</a> new-name, <span class="Constant">0x3d</span>  <span class="muComment"># '='</span>
+<span id="L589" class="LineNr"> 589 </span>    <span class="Delimiter">}</span>
+<span id="L590" class="LineNr"> 590 </span>    <span class="muComment"># append name to new line</span>
+<span id="L591" class="LineNr"> 591 </span>    <a href='word.mu.html#L487'>chain-words</a> new-line-word-ah, new-name-ah
+<span id="L592" class="LineNr"> 592 </span>    <span class="muComment"># new-line-&gt;next = sandbox-&gt;data</span>
+<span id="L593" class="LineNr"> 593 </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="L594" class="LineNr"> 594 </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="L595" class="LineNr"> 595 </span>    copy-object sandbox-slot, new-line-next
+<span id="L596" class="LineNr"> 596 </span>    <span class="muComment"># sandbox-&gt;data = new-line</span>
+<span id="L597" class="LineNr"> 597 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> new-line-h, sandbox-slot
+<span id="L598" class="LineNr"> 598 </span>    <span class="muComment"># clear partial-name-for-cursor-word</span>
+<span id="L599" class="LineNr"> 599 </span>    clear-object new-name-ah
+<span id="L600" class="LineNr"> 600 </span><span class="CommentedCode">#?     var cursor-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
+<span id="L601" class="LineNr"> 601 </span><span class="CommentedCode">#?     var cursor/eax: (addr call-path-element) &lt;- lookup *cursor-ah</span>
+<span id="L602" class="LineNr"> 602 </span><span class="CommentedCode">#?     var word-at-cursor-ah/eax: (addr handle word) &lt;- get cursor, word</span>
+<span id="L603" class="LineNr"> 603 </span><span class="CommentedCode">#?     print-string 0, &quot;cursor after rename: &quot;</span>
+<span id="L604" class="LineNr"> 604 </span><span class="CommentedCode">#?     {</span>
+<span id="L605" class="LineNr"> 605 </span><span class="CommentedCode">#?       var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
+<span id="L606" class="LineNr"> 606 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
+<span id="L607" class="LineNr"> 607 </span><span class="CommentedCode">#?       print-string 0, &quot; -- &quot;</span>
+<span id="L608" class="LineNr"> 608 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy cursor-word</span>
+<span id="L609" class="LineNr"> 609 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
+<span id="L610" class="LineNr"> 610 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L611" class="LineNr"> 611 </span><span class="CommentedCode">#?     }</span>
+<span id="L612" class="LineNr"> 612 </span>    <span class="PreProc">return</span>
+<span id="L613" class="LineNr"> 613 </span>  <span class="Delimiter">}</span>
+<span id="L614" class="LineNr"> 614 </span>  <span class="muComment">#</span>
+<span id="L615" class="LineNr"> 615 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
+<span id="L616" class="LineNr"> 616 </span>  $process-sandbox-rename:backspace: <span class="Delimiter">{</span>
+<span id="L617" class="LineNr"> 617 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L618" class="LineNr"> 618 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
+<span id="L619" class="LineNr"> 619 </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="L620" class="LineNr"> 620 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> new-name
+<span id="L621" class="LineNr"> 621 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L622" class="LineNr"> 622 </span>    <span class="Delimiter">{</span>
+<span id="L623" class="LineNr"> 623 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L624" class="LineNr"> 624 </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="L625" class="LineNr"> 625 </span>      <a href='word.mu.html#L222'>delete-before-cursor</a> new-name
+<span id="L626" class="LineNr"> 626 </span>    <span class="Delimiter">}</span>
+<span id="L627" class="LineNr"> 627 </span>    <span class="PreProc">return</span>
+<span id="L628" class="LineNr"> 628 </span>  <span class="Delimiter">}</span>
+<span id="L629" class="LineNr"> 629 </span>  <span class="muComment"># otherwise insert key within current word</span>
+<span id="L630" class="LineNr"> 630 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1646'>real-grapheme?</a> key
+<span id="L631" class="LineNr"> 631 </span>  $process-sandbox-rename:real-grapheme: <span class="Delimiter">{</span>
+<span id="L632" class="LineNr"> 632 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L633" class="LineNr"> 633 </span>    <span class="PreProc">break-if-=</span>
+<span id="L634" class="LineNr"> 634 </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="L635" class="LineNr"> 635 </span>    <a href='word.mu.html#L163'>add-grapheme-to-word</a> new-name, key
+<span id="L636" class="LineNr"> 636 </span>    <span class="PreProc">return</span>
+<span id="L637" class="LineNr"> 637 </span>  <span class="Delimiter">}</span>
+<span id="L638" class="LineNr"> 638 </span>  <span class="muComment"># silently ignore other hotkeys</span>
+<span id="L639" class="LineNr"> 639 </span><span class="Delimiter">}</span>
+<span id="L640" class="LineNr"> 640 </span>
+<span id="L641" class="LineNr"> 641 </span><span class="muComment"># collect new name in partial-name-for-function, and then define the last line</span>
+<span id="L642" class="LineNr"> 642 </span><span class="muComment"># of the sandbox to be a new function with that name. Replace the last line</span>
+<span id="L643" class="LineNr"> 643 </span><span class="muComment"># with a call to the appropriate function.</span>
+<span id="L644" class="LineNr"> 644 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
+<span id="L645" class="LineNr"> 645 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L645'>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="L646" class="LineNr"> 646 </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="L647" class="LineNr"> 647 </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="L648" class="LineNr"> 648 </span>  <span class="muComment"># if 'esc' pressed, cancel define</span>
+<span id="L649" class="LineNr"> 649 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
+<span id="L650" class="LineNr"> 650 </span>  $process-sandbox-define:cancel: <span class="Delimiter">{</span>
+<span id="L651" class="LineNr"> 651 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L652" class="LineNr"> 652 </span>    clear-object new-name-ah
+<span id="L653" class="LineNr"> 653 </span>    <span class="PreProc">return</span>
+<span id="L654" class="LineNr"> 654 </span>  <span class="Delimiter">}</span>
+<span id="L655" class="LineNr"> 655 </span>  <span class="muComment"># if 'enter' pressed, perform define</span>
+<span id="L656" class="LineNr"> 656 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
+<span id="L657" class="LineNr"> 657 </span>  $process-sandbox-define:commit: <span class="Delimiter">{</span>
+<span id="L658" class="LineNr"> 658 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L659" class="LineNr"> 659 </span><span class="CommentedCode">#?     print-string 0, &quot;define\n&quot;</span>
+<span id="L660" class="LineNr"> 660 </span>    <span class="muComment"># create new function</span>
+<span id="L661" class="LineNr"> 661 </span>    <span class="PreProc">var</span> new-function: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L662" class="LineNr"> 662 </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="L663" class="LineNr"> 663 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-function-ah
+<span id="L664" class="LineNr"> 664 </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="L665" class="LineNr"> 665 </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="L666" class="LineNr"> 666 </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="L667" class="LineNr"> 667 </span>    copy-object functions, dest
+<span id="L668" class="LineNr"> 668 </span>    copy-object new-function-ah, functions
+<span id="L669" class="LineNr"> 669 </span>    <span class="muComment"># set function name to new-name</span>
+<span id="L670" class="LineNr"> 670 </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="L671" class="LineNr"> 671 </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="L672" class="LineNr"> 672 </span>    <a href='word.mu.html#L508'>word-to-string</a> new-name, dest
+<span id="L673" class="LineNr"> 673 </span>    <span class="muComment"># move final line to body</span>
+<span id="L674" class="LineNr"> 674 </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="L675" class="LineNr"> 675 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> body-ah
+<span id="L676" class="LineNr"> 676 </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="L677" class="LineNr"> 677 </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="L678" class="LineNr"> 678 </span>    <span class="PreProc">var</span> final-line-storage: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L679" class="LineNr"> 679 </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="L680" class="LineNr"> 680 </span>    <a href='environment.mu.html#L1084'>final-line</a> <a href='data.mu.html#L1'>sandbox</a>, final-line-ah
+<span id="L681" class="LineNr"> 681 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1084'>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="L682" class="LineNr"> 682 </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#L1084'>final-line</a>, data
+<span id="L683" class="LineNr"> 683 </span>    copy-object final-line-contents, body-contents
+<span id="L684" class="LineNr"> 684 </span>    <span class="muComment">#</span>
+<span id="L685" class="LineNr"> 685 </span>    <a href='environment.mu.html#L730'>copy-unbound-words-to-args</a> functions
+<span id="L686" class="LineNr"> 686 </span>    <span class="muComment">#</span>
+<span id="L687" class="LineNr"> 687 </span>    <span class="PreProc">var</span> empty-word: (handle <a href='data.mu.html#L30'>word</a>)
+<span id="L688" class="LineNr"> 688 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, final-line-contents
+<span id="L689" class="LineNr"> 689 </span>    <a href='environment.mu.html#L877'>construct-call</a> functions, final-line-contents
+<span id="L690" class="LineNr"> 690 </span>    <span class="muComment"># clear partial-name-for-function</span>
+<span id="L691" class="LineNr"> 691 </span>    <span class="PreProc">var</span> empty-word: (handle <a href='data.mu.html#L30'>word</a>)
+<span id="L692" class="LineNr"> 692 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, new-name-ah
+<span id="L693" class="LineNr"> 693 </span>    <span class="muComment"># update cursor</span>
+<span id="L694" class="LineNr"> 694 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1084'>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="L695" class="LineNr"> 695 </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="L696" class="LineNr"> 696 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> cursor-call-path-ah  <span class="muComment"># leak</span>
+<span id="L697" class="LineNr"> 697 </span>    <a href='data.mu.html#L294'>initialize-path-from-line</a> <a href='environment.mu.html#L1084'>final-line</a>, cursor-call-path-ah
+<span id="L698" class="LineNr"> 698 </span>    <span class="PreProc">return</span>
+<span id="L699" class="LineNr"> 699 </span>  <span class="Delimiter">}</span>
+<span id="L700" class="LineNr"> 700 </span>  <span class="muComment">#</span>
+<span id="L701" class="LineNr"> 701 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
+<span id="L702" class="LineNr"> 702 </span>  $process-sandbox-define:backspace: <span class="Delimiter">{</span>
+<span id="L703" class="LineNr"> 703 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L704" class="LineNr"> 704 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
+<span id="L705" class="LineNr"> 705 </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="L706" class="LineNr"> 706 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L170'>cursor-at-start?</a> new-name
+<span id="L707" class="LineNr"> 707 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L708" class="LineNr"> 708 </span>    <span class="Delimiter">{</span>
+<span id="L709" class="LineNr"> 709 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L710" class="LineNr"> 710 </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="L711" class="LineNr"> 711 </span>      <a href='word.mu.html#L222'>delete-before-cursor</a> new-name
+<span id="L712" class="LineNr"> 712 </span>    <span class="Delimiter">}</span>
+<span id="L713" class="LineNr"> 713 </span>    <span class="PreProc">return</span>
+<span id="L714" class="LineNr"> 714 </span>  <span class="Delimiter">}</span>
+<span id="L715" class="LineNr"> 715 </span>  <span class="muComment"># otherwise insert key within current word</span>
+<span id="L716" class="LineNr"> 716 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1646'>real-grapheme?</a> key
+<span id="L717" class="LineNr"> 717 </span>  $process-sandbox-define:real-grapheme: <span class="Delimiter">{</span>
+<span id="L718" class="LineNr"> 718 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L719" class="LineNr"> 719 </span>    <span class="PreProc">break-if-=</span>
+<span id="L720" class="LineNr"> 720 </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="L721" class="LineNr"> 721 </span>    <a href='word.mu.html#L163'>add-grapheme-to-word</a> new-name, key
+<span id="L722" class="LineNr"> 722 </span>    <span class="PreProc">return</span>
+<span id="L723" class="LineNr"> 723 </span>  <span class="Delimiter">}</span>
+<span id="L724" class="LineNr"> 724 </span>  <span class="muComment"># silently ignore other hotkeys</span>
+<span id="L725" class="LineNr"> 725 </span><span class="Delimiter">}</span>
+<span id="L726" class="LineNr"> 726 </span>
+<span id="L727" class="LineNr"> 727 </span><span class="muComment"># extract from the body of the first function in 'functions' all words that</span>
+<span id="L728" class="LineNr"> 728 </span><span class="muComment"># aren't defined in the rest of 'functions'. Prepend them in reverse order.</span>
+<span id="L729" class="LineNr"> 729 </span><span class="muComment"># Assumes function body is a single line for now.</span>
+<span id="L730" class="LineNr"> 730 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L730'>copy-unbound-words-to-args</a></span> _functions: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="Delimiter">{</span>
+<span id="L731" class="LineNr"> 731 </span>  <span class="muComment"># target</span>
+<span id="L732" class="LineNr"> 732 </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="L733" class="LineNr"> 733 </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="L734" class="LineNr"> 734 </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="L735" class="LineNr"> 735 </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="L736" class="LineNr"> 736 </span>  <span class="muComment"># next</span>
+<span id="L737" class="LineNr"> 737 </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="L738" class="LineNr"> 738 </span>  <span class="muComment"># src</span>
+<span id="L739" class="LineNr"> 739 </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="L740" class="LineNr"> 740 </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="L741" class="LineNr"> 741 </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="L742" class="LineNr"> 742 </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="L743" class="LineNr"> 743 </span>  <span class="Delimiter">{</span>
+<span id="L744" class="LineNr"> 744 </span>    compare curr, <span class="Constant">0</span>
+<span id="L745" class="LineNr"> 745 </span>    <span class="PreProc">break-if-=</span>
+<span id="L746" class="LineNr"> 746 </span>    $copy-unbound-words-to-args:loop-iter: <span class="Delimiter">{</span>
+<span id="L747" class="LineNr"> 747 </span>      <span class="muComment"># is it a number?</span>
+<span id="L748" class="LineNr"> 748 </span>      <span class="Delimiter">{</span>
+<span id="L749" class="LineNr"> 749 </span>        <span class="PreProc">var</span> is-int?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L515'>word-is-decimal-integer?</a> curr
+<span id="L750" class="LineNr"> 750 </span>        compare is-int?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L751" class="LineNr"> 751 </span>        <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
+<span id="L752" class="LineNr"> 752 </span>      <span class="Delimiter">}</span>
+<span id="L753" class="LineNr"> 753 </span>      <span class="muComment"># is it a pre-existing function?</span>
+<span id="L754" class="LineNr"> 754 </span>      <span class="PreProc">var</span> bound?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L774'>bound-function?</a> curr, functions-ah
+<span id="L755" class="LineNr"> 755 </span>      compare bound?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L756" class="LineNr"> 756 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L757" class="LineNr"> 757 </span>      <span class="muComment"># is it already bound as an arg?</span>
+<span id="L758" class="LineNr"> 758 </span>      <span class="PreProc">var</span> dup?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L868'>arg-exists?</a> _functions, curr  <span class="muComment"># _functions = target-ah</span>
+<span id="L759" class="LineNr"> 759 </span>      compare dup?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L760" class="LineNr"> 760 </span>      <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
+<span id="L761" class="LineNr"> 761 </span>      <span class="muComment"># push copy of curr before dest-ah</span>
+<span id="L762" class="LineNr"> 762 </span>      <span class="PreProc">var</span> rest-h: (handle <a href='data.mu.html#L30'>word</a>)
+<span id="L763" class="LineNr"> 763 </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="L764" class="LineNr"> 764 </span>      copy-object dest-ah, rest-ah
+<span id="L765" class="LineNr"> 765 </span>      <a href='word.mu.html#L371'>copy-word</a> curr, dest-ah
+<span id="L766" class="LineNr"> 766 </span>      <a href='word.mu.html#L487'>chain-words</a> dest-ah, rest-ah
+<span id="L767" class="LineNr"> 767 </span>    <span class="Delimiter">}</span>
+<span id="L768" class="LineNr"> 768 </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="L769" class="LineNr"> 769 </span>    curr <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-ah
+<span id="L770" class="LineNr"> 770 </span>    <span class="PreProc">loop</span>
+<span id="L771" class="LineNr"> 771 </span>  <span class="Delimiter">}</span>
+<span id="L772" class="LineNr"> 772 </span><span class="Delimiter">}</span>
+<span id="L773" class="LineNr"> 773 </span>
+<span id="L774" class="LineNr"> 774 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L774'>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="L775" class="LineNr"> 775 </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="L776" class="LineNr"> 776 </span>  <span class="Delimiter">{</span>
+<span id="L777" class="LineNr"> 777 </span>    <span class="muComment">## numbers</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>    <span class="PreProc">var</span> subresult/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>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"># if w == &quot;-&quot; return true</span>
+<span id="L783" class="LineNr"> 783 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;-&quot;</span>
+<span id="L784" class="LineNr"> 784 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L785" class="LineNr"> 785 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L786" class="LineNr"> 786 </span>    <span class="muComment"># if w == &quot;*&quot; return true</span>
+<span id="L787" class="LineNr"> 787 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;*&quot;</span>
+<span id="L788" class="LineNr"> 788 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L789" class="LineNr"> 789 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L790" class="LineNr"> 790 </span>    <span class="muComment"># if w == &quot;/&quot; return true</span>
+<span id="L791" class="LineNr"> 791 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;/&quot;</span>
+<span id="L792" class="LineNr"> 792 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L793" class="LineNr"> 793 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L794" class="LineNr"> 794 </span>    <span class="muComment"># if w == &quot;sqrt&quot; return true</span>
+<span id="L795" class="LineNr"> 795 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;sqrt&quot;</span>
 <span id="L796" class="LineNr"> 796 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L797" class="LineNr"> 797 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L798" class="LineNr"> 798 </span>    <span class="muComment"># if w == &quot;read&quot; return true</span>
-<span id="L799" class="LineNr"> 799 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;read&quot;</span>
-<span id="L800" class="LineNr"> 800 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L801" class="LineNr"> 801 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L802" class="LineNr"> 802 </span>    <span class="muComment"># if w == &quot;slurp&quot; return true</span>
-<span id="L803" class="LineNr"> 803 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;slurp&quot;</span>
-<span id="L804" class="LineNr"> 804 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L805" class="LineNr"> 805 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L806" class="LineNr"> 806 </span>    <span class="muComment"># if w == &quot;lines&quot; return true</span>
-<span id="L807" class="LineNr"> 807 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;lines&quot;</span>
-<span id="L808" class="LineNr"> 808 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L809" class="LineNr"> 809 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L810" class="LineNr"> 810 </span>    <span class="muComment">## screens</span>
-<span id="L811" class="LineNr"> 811 </span>    <span class="muComment"># if w == &quot;fake-screen&quot; return true</span>
-<span id="L812" class="LineNr"> 812 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;fake-screen&quot;</span>
-<span id="L813" class="LineNr"> 813 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L814" class="LineNr"> 814 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L815" class="LineNr"> 815 </span>    <span class="muComment"># if w == &quot;print&quot; return true</span>
-<span id="L816" class="LineNr"> 816 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;print&quot;</span>
-<span id="L817" class="LineNr"> 817 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L818" class="LineNr"> 818 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L819" class="LineNr"> 819 </span>    <span class="muComment"># if w == &quot;move&quot; return true</span>
-<span id="L820" class="LineNr"> 820 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;move&quot;</span>
-<span id="L821" class="LineNr"> 821 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L822" class="LineNr"> 822 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L823" class="LineNr"> 823 </span>    <span class="muComment"># if w == &quot;up&quot; return true</span>
-<span id="L824" class="LineNr"> 824 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;up&quot;</span>
-<span id="L825" class="LineNr"> 825 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L826" class="LineNr"> 826 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L827" class="LineNr"> 827 </span>    <span class="muComment"># if w == &quot;down&quot; return true</span>
-<span id="L828" class="LineNr"> 828 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;down&quot;</span>
-<span id="L829" class="LineNr"> 829 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L830" class="LineNr"> 830 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L831" class="LineNr"> 831 </span>    <span class="muComment"># if w == &quot;left&quot; return true</span>
-<span id="L832" class="LineNr"> 832 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;left&quot;</span>
-<span id="L833" class="LineNr"> 833 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L834" class="LineNr"> 834 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L835" class="LineNr"> 835 </span>    <span class="muComment"># if w == &quot;right&quot; return true</span>
-<span id="L836" class="LineNr"> 836 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;right&quot;</span>
-<span id="L837" class="LineNr"> 837 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L838" class="LineNr"> 838 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L839" class="LineNr"> 839 </span>    <span class="muComment">## hacks</span>
-<span id="L840" class="LineNr"> 840 </span>    <span class="muComment"># if w == &quot;dup&quot; return true</span>
-<span id="L841" class="LineNr"> 841 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;dup&quot;</span>
-<span id="L842" class="LineNr"> 842 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L843" class="LineNr"> 843 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L844" class="LineNr"> 844 </span>    <span class="muComment"># if w == &quot;swap&quot; return true</span>
-<span id="L845" class="LineNr"> 845 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;swap&quot;</span>
-<span id="L846" class="LineNr"> 846 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L847" class="LineNr"> 847 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L848" class="LineNr"> 848 </span>    <span class="muComment"># return w in functions</span>
-<span id="L849" class="LineNr"> 849 </span>    <span class="PreProc">var</span> out-h: (handle <a href='data.mu.html#L14'>function</a>)
-<span id="L850" class="LineNr"> 850 </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="L851" class="LineNr"> 851 </span>    <a href='environment.mu.html#L1387'>callee</a> functions-ah, w, out
-<span id="L852" class="LineNr"> 852 </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="L853" class="LineNr"> 853 </span>    <a href='data.mu.html#L70'>result</a> <span class="SpecialChar">&lt;-</span> copy found?
-<span id="L854" class="LineNr"> 854 </span>  <span class="Delimiter">}</span>
-<span id="L855" class="LineNr"> 855 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
-<span id="L856" class="LineNr"> 856 </span><span class="Delimiter">}</span>
-<span id="L857" class="LineNr"> 857 </span>
-<span id="L858" class="LineNr"> 858 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L858'>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="L859" class="LineNr"> 859 </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="L860" class="LineNr"> 860 </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="L861" class="LineNr"> 861 </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="L862" class="LineNr"> 862 </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#L524'>word-exists?</a> args-ah, arg
-<span id="L863" class="LineNr"> 863 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
-<span id="L864" class="LineNr"> 864 </span><span class="Delimiter">}</span>
-<span id="L865" class="LineNr"> 865 </span>
-<span id="L866" class="LineNr"> 866 </span><span class="muComment"># construct a call to `f` with copies of exactly its args</span>
-<span id="L867" class="LineNr"> 867 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L867'>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="L868" class="LineNr"> 868 </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="L869" class="LineNr"> 869 </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="L870" class="LineNr"> 870 </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="L871" class="LineNr"> 871 </span>  <span class="muComment"># append args in reverse</span>
-<span id="L872" class="LineNr"> 872 </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="L873" class="LineNr"> 873 </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="L874" class="LineNr"> 874 </span>  <a href='word.mu.html#L305'>copy-words-in-reverse</a> args-ah, dest-ah
-<span id="L875" class="LineNr"> 875 </span>  <span class="muComment"># append name</span>
-<span id="L876" class="LineNr"> 876 </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="L877" class="LineNr"> 877 </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="L878" class="LineNr"> 878 </span>  <a href='word.mu.html#L347'>append-word-at-end-with</a> dest-ah, name
-<span id="L879" class="LineNr"> 879 </span><span class="Delimiter">}</span>
-<span id="L880" class="LineNr"> 880 </span>
-<span id="L881" class="LineNr"> 881 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L881'>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="L882" class="LineNr"> 882 </span>  <span class="PreProc">var</span> n/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy _n
-<span id="L883" class="LineNr"> 883 </span>  <span class="Delimiter">{</span>
-<span id="L884" class="LineNr"> 884 </span>    compare n, <span class="Constant">0</span>
-<span id="L885" class="LineNr"> 885 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L886" class="LineNr"> 886 </span>    copy-object _words, out
-<span id="L887" class="LineNr"> 887 </span>    <span class="PreProc">return</span>
-<span id="L888" class="LineNr"> 888 </span>  <span class="Delimiter">}</span>
-<span id="L889" class="LineNr"> 889 </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="L890" class="LineNr"> 890 </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="L891" class="LineNr"> 891 </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="L892" class="LineNr"> 892 </span>  n <span class="SpecialChar">&lt;-</span> decrement
-<span id="L893" class="LineNr"> 893 </span>  <a href='environment.mu.html#L881'>word-index</a> next, n, out
-<span id="L894" class="LineNr"> 894 </span><span class="Delimiter">}</span>
-<span id="L895" class="LineNr"> 895 </span>
-<span id="L896" class="LineNr"> 896 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L896'>toggle-cursor-word</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
-<span id="L897" class="LineNr"> 897 </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="L898" class="LineNr"> 898 </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="L899" class="LineNr"> 899 </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="L900" class="LineNr"> 900 </span><span class="CommentedCode">#?   print-string 0, &quot;cursor call path: &quot;</span>
-<span id="L901" class="LineNr"> 901 </span><span class="CommentedCode">#?   dump-call-path-element 0, cursor-call-path</span>
-<span id="L902" class="LineNr"> 902 </span><span class="CommentedCode">#?   print-string 0, &quot;expanded words:\n&quot;</span>
-<span id="L903" class="LineNr"> 903 </span><span class="CommentedCode">#?   dump-call-paths 0, expanded-words</span>
-<span id="L904" class="LineNr"> 904 </span>  <span class="PreProc">var</span> already-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L303'>find-in-call-paths</a> expanded-words, cursor-call-path
-<span id="L905" class="LineNr"> 905 </span>  compare already-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L906" class="LineNr"> 906 </span>  <span class="Delimiter">{</span>
-<span id="L907" class="LineNr"> 907 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L908" class="LineNr"> 908 </span><span class="CommentedCode">#?     print-string 0, &quot;expand\n&quot;</span>
-<span id="L909" class="LineNr"> 909 </span>    <span class="muComment"># if not already-expanded, insert</span>
-<span id="L910" class="LineNr"> 910 </span>    <a href='data.mu.html#L370'>insert-in-call-path</a> expanded-words cursor-call-path
-<span id="L911" class="LineNr"> 911 </span><span class="CommentedCode">#?     print-string 0, &quot;expanded words now:\n&quot;</span>
-<span id="L912" class="LineNr"> 912 </span><span class="CommentedCode">#?     dump-call-paths 0, expanded-words</span>
-<span id="L913" class="LineNr"> 913 </span>    <span class="PreProc">return</span>
-<span id="L914" class="LineNr"> 914 </span>  <span class="Delimiter">}</span>
-<span id="L915" class="LineNr"> 915 </span>  <span class="Delimiter">{</span>
-<span id="L916" class="LineNr"> 916 </span>    <span class="PreProc">break-if-=</span>
-<span id="L917" class="LineNr"> 917 </span>    <span class="muComment"># otherwise delete</span>
-<span id="L918" class="LineNr"> 918 </span>    <a href='data.mu.html#L406'>delete-in-call-path</a> expanded-words cursor-call-path
-<span id="L919" class="LineNr"> 919 </span>  <span class="Delimiter">}</span>
-<span id="L920" class="LineNr"> 920 </span><span class="Delimiter">}</span>
-<span id="L921" class="LineNr"> 921 </span>
-<span id="L922" class="LineNr"> 922 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L922'>append-line</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
-<span id="L923" class="LineNr"> 923 </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="L924" class="LineNr"> 924 </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="L798" class="LineNr"> 798 </span>    <span class="muComment">## strings/arrays</span>
+<span id="L799" class="LineNr"> 799 </span>    <span class="muComment"># if w == &quot;len&quot; return true</span>
+<span id="L800" class="LineNr"> 800 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;len&quot;</span>
+<span id="L801" class="LineNr"> 801 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L802" class="LineNr"> 802 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L803" class="LineNr"> 803 </span>    <span class="muComment">## files</span>
+<span id="L804" class="LineNr"> 804 </span>    <span class="muComment"># if w == &quot;open&quot; return true</span>
+<span id="L805" class="LineNr"> 805 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;open&quot;</span>
+<span id="L806" class="LineNr"> 806 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L807" class="LineNr"> 807 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L808" class="LineNr"> 808 </span>    <span class="muComment"># if w == &quot;read&quot; return true</span>
+<span id="L809" class="LineNr"> 809 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;read&quot;</span>
+<span id="L810" class="LineNr"> 810 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L811" class="LineNr"> 811 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L812" class="LineNr"> 812 </span>    <span class="muComment"># if w == &quot;slurp&quot; return true</span>
+<span id="L813" class="LineNr"> 813 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;slurp&quot;</span>
+<span id="L814" class="LineNr"> 814 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L815" class="LineNr"> 815 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L816" class="LineNr"> 816 </span>    <span class="muComment"># if w == &quot;lines&quot; return true</span>
+<span id="L817" class="LineNr"> 817 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;lines&quot;</span>
+<span id="L818" class="LineNr"> 818 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L819" class="LineNr"> 819 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L820" class="LineNr"> 820 </span>    <span class="muComment">## screens</span>
+<span id="L821" class="LineNr"> 821 </span>    <span class="muComment"># if w == &quot;fake-screen&quot; return true</span>
+<span id="L822" class="LineNr"> 822 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;fake-screen&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;print&quot; return true</span>
+<span id="L826" class="LineNr"> 826 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;print&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;move&quot; return true</span>
+<span id="L830" class="LineNr"> 830 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;move&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"># if w == &quot;up&quot; return true</span>
+<span id="L834" class="LineNr"> 834 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;up&quot;</span>
+<span id="L835" class="LineNr"> 835 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L836" class="LineNr"> 836 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L837" class="LineNr"> 837 </span>    <span class="muComment"># if w == &quot;down&quot; return true</span>
+<span id="L838" class="LineNr"> 838 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;down&quot;</span>
+<span id="L839" class="LineNr"> 839 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L840" class="LineNr"> 840 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L841" class="LineNr"> 841 </span>    <span class="muComment"># if w == &quot;left&quot; return true</span>
+<span id="L842" class="LineNr"> 842 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;left&quot;</span>
+<span id="L843" class="LineNr"> 843 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L844" class="LineNr"> 844 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L845" class="LineNr"> 845 </span>    <span class="muComment"># if w == &quot;right&quot; return true</span>
+<span id="L846" class="LineNr"> 846 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;right&quot;</span>
+<span id="L847" class="LineNr"> 847 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L848" class="LineNr"> 848 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L849" class="LineNr"> 849 </span>    <span class="muComment">## hacks</span>
+<span id="L850" class="LineNr"> 850 </span>    <span class="muComment"># if w == &quot;dup&quot; return true</span>
+<span id="L851" class="LineNr"> 851 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;dup&quot;</span>
+<span id="L852" class="LineNr"> 852 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L853" class="LineNr"> 853 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L854" class="LineNr"> 854 </span>    <span class="muComment"># if w == &quot;swap&quot; return true</span>
+<span id="L855" class="LineNr"> 855 </span>    subresult <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L98'>word-equal?</a> w, <span class="Constant">&quot;swap&quot;</span>
+<span id="L856" class="LineNr"> 856 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L857" class="LineNr"> 857 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L858" class="LineNr"> 858 </span>    <span class="muComment"># return w in functions</span>
+<span id="L859" class="LineNr"> 859 </span>    <span class="PreProc">var</span> out-h: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L860" class="LineNr"> 860 </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="L861" class="LineNr"> 861 </span>    <a href='environment.mu.html#L1397'>callee</a> functions-ah, w, out
+<span id="L862" class="LineNr"> 862 </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="L863" class="LineNr"> 863 </span>    <a href='data.mu.html#L70'>result</a> <span class="SpecialChar">&lt;-</span> copy found?
+<span id="L864" class="LineNr"> 864 </span>  <span class="Delimiter">}</span>
+<span id="L865" class="LineNr"> 865 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
+<span id="L866" class="LineNr"> 866 </span><span class="Delimiter">}</span>
+<span id="L867" class="LineNr"> 867 </span>
+<span id="L868" class="LineNr"> 868 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L868'>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="L869" class="LineNr"> 869 </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="L870" class="LineNr"> 870 </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="L871" class="LineNr"> 871 </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="L872" class="LineNr"> 872 </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#L524'>word-exists?</a> args-ah, arg
+<span id="L873" class="LineNr"> 873 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
+<span id="L874" class="LineNr"> 874 </span><span class="Delimiter">}</span>
+<span id="L875" class="LineNr"> 875 </span>
+<span id="L876" class="LineNr"> 876 </span><span class="muComment"># construct a call to `f` with copies of exactly its args</span>
+<span id="L877" class="LineNr"> 877 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L877'>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="L878" class="LineNr"> 878 </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="L879" class="LineNr"> 879 </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="L880" class="LineNr"> 880 </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="L881" class="LineNr"> 881 </span>  <span class="muComment"># append args in reverse</span>
+<span id="L882" class="LineNr"> 882 </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="L883" class="LineNr"> 883 </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="L884" class="LineNr"> 884 </span>  <a href='word.mu.html#L305'>copy-words-in-reverse</a> args-ah, dest-ah
+<span id="L885" class="LineNr"> 885 </span>  <span class="muComment"># append name</span>
+<span id="L886" class="LineNr"> 886 </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="L887" class="LineNr"> 887 </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="L888" class="LineNr"> 888 </span>  <a href='word.mu.html#L347'>append-word-at-end-with</a> dest-ah, name
+<span id="L889" class="LineNr"> 889 </span><span class="Delimiter">}</span>
+<span id="L890" class="LineNr"> 890 </span>
+<span id="L891" class="LineNr"> 891 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L891'>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="L892" class="LineNr"> 892 </span>  <span class="PreProc">var</span> n/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy _n
+<span id="L893" class="LineNr"> 893 </span>  <span class="Delimiter">{</span>
+<span id="L894" class="LineNr"> 894 </span>    compare n, <span class="Constant">0</span>
+<span id="L895" class="LineNr"> 895 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L896" class="LineNr"> 896 </span>    copy-object _words, out
+<span id="L897" class="LineNr"> 897 </span>    <span class="PreProc">return</span>
+<span id="L898" class="LineNr"> 898 </span>  <span class="Delimiter">}</span>
+<span id="L899" class="LineNr"> 899 </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="L900" class="LineNr"> 900 </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="L901" class="LineNr"> 901 </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="L902" class="LineNr"> 902 </span>  n <span class="SpecialChar">&lt;-</span> decrement
+<span id="L903" class="LineNr"> 903 </span>  <a href='environment.mu.html#L891'>word-index</a> next, n, out
+<span id="L904" class="LineNr"> 904 </span><span class="Delimiter">}</span>
+<span id="L905" class="LineNr"> 905 </span>
+<span id="L906" class="LineNr"> 906 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L906'>toggle-cursor-word</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
+<span id="L907" class="LineNr"> 907 </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="L908" class="LineNr"> 908 </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="L909" class="LineNr"> 909 </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="L910" class="LineNr"> 910 </span><span class="CommentedCode">#?   print-string 0, &quot;cursor call path: &quot;</span>
+<span id="L911" class="LineNr"> 911 </span><span class="CommentedCode">#?   dump-call-path-element 0, cursor-call-path</span>
+<span id="L912" class="LineNr"> 912 </span><span class="CommentedCode">#?   print-string 0, &quot;expanded words:\n&quot;</span>
+<span id="L913" class="LineNr"> 913 </span><span class="CommentedCode">#?   dump-call-paths 0, expanded-words</span>
+<span id="L914" class="LineNr"> 914 </span>  <span class="PreProc">var</span> already-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L303'>find-in-call-paths</a> expanded-words, cursor-call-path
+<span id="L915" class="LineNr"> 915 </span>  compare already-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L916" class="LineNr"> 916 </span>  <span class="Delimiter">{</span>
+<span id="L917" class="LineNr"> 917 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L918" class="LineNr"> 918 </span><span class="CommentedCode">#?     print-string 0, &quot;expand\n&quot;</span>
+<span id="L919" class="LineNr"> 919 </span>    <span class="muComment"># if not already-expanded, insert</span>
+<span id="L920" class="LineNr"> 920 </span>    <a href='data.mu.html#L370'>insert-in-call-path</a> expanded-words cursor-call-path
+<span id="L921" class="LineNr"> 921 </span><span class="CommentedCode">#?     print-string 0, &quot;expanded words now:\n&quot;</span>
+<span id="L922" class="LineNr"> 922 </span><span class="CommentedCode">#?     dump-call-paths 0, expanded-words</span>
+<span id="L923" class="LineNr"> 923 </span>    <span class="PreProc">return</span>
+<span id="L924" class="LineNr"> 924 </span>  <span class="Delimiter">}</span>
 <span id="L925" class="LineNr"> 925 </span>  <span class="Delimiter">{</span>
-<span id="L926" class="LineNr"> 926 </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="L927" class="LineNr"> 927 </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="L928" class="LineNr"> 928 </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="L929" class="LineNr"> 929 </span>    compare next-line, <span class="Constant">0</span>
-<span id="L930" class="LineNr"> 930 </span>    <span class="PreProc">break-if-=</span>
-<span id="L931" class="LineNr"> 931 </span>    line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
-<span id="L932" class="LineNr"> 932 </span>    <span class="PreProc">loop</span>
-<span id="L933" class="LineNr"> 933 </span>  <span class="Delimiter">}</span>
-<span id="L934" class="LineNr"> 934 </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="L935" class="LineNr"> 935 </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="L936" class="LineNr"> 936 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> final-line-ah
-<span id="L937" class="LineNr"> 937 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1074'>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="L938" class="LineNr"> 938 </span>  <a href='data.mu.html#L90'>initialize-line</a> <a href='environment.mu.html#L1074'>final-line</a>
-<span id="L939" class="LineNr"> 939 </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#L1074'>final-line</a>, prev
-<span id="L940" class="LineNr"> 940 </span>  copy-object line-ah, final-prev
-<span id="L941" class="LineNr"> 941 </span>  <span class="muComment"># clear cursor</span>
-<span id="L942" class="LineNr"> 942 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1074'>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="L943" class="LineNr"> 943 </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#L1074'>final-line</a>, data
-<span id="L944" class="LineNr"> 944 </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="L945" class="LineNr"> 945 </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="L946" class="LineNr"> 946 </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="L947" class="LineNr"> 947 </span>  copy-object word-ah, dest
-<span id="L948" class="LineNr"> 948 </span><span class="Delimiter">}</span>
-<span id="L949" class="LineNr"> 949 </span>
-<span id="L950" class="LineNr"> 950 </span><span class="muComment">#############</span>
-<span id="L951" class="LineNr"> 951 </span><span class="muComment"># Visualize</span>
-<span id="L952" class="LineNr"> 952 </span><span class="muComment">#############</span>
-<span id="L953" class="LineNr"> 953 </span>
-<span id="L954" class="LineNr"> 954 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L954'>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="L955" class="LineNr"> 955 </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="L956" class="LineNr"> 956 </span>  <span class="muComment"># functions</span>
-<span id="L957" class="LineNr"> 957 </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="L958" class="LineNr"> 958 </span>  <span class="muComment"># line</span>
-<span id="L959" class="LineNr"> 959 </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="L960" class="LineNr"> 960 </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="L961" class="LineNr"> 961 </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="L962" class="LineNr"> 962 </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="L963" class="LineNr"> 963 </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="L964" class="LineNr"> 964 </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="L965" class="LineNr"> 965 </span><span class="Delimiter">}</span>
-<span id="L966" class="LineNr"> 966 </span>
-<span id="L967" class="LineNr"> 967 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L967'>render</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
-<span id="L968" class="LineNr"> 968 </span><span class="CommentedCode">#?   print-string 0, &quot;== render\n&quot;</span>
-<span id="L969" class="LineNr"> 969 </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="L970" class="LineNr"> 970 </span>  <a href='environment.mu.html#L1464'>clear-canvas</a> env
-<span id="L971" class="LineNr"> 971 </span>  <span class="muComment"># screen</span>
-<span id="L972" class="LineNr"> 972 </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="L973" class="LineNr"> 973 </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
-<span id="L974" class="LineNr"> 974 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
-<span id="L975" class="LineNr"> 975 </span>  <span class="muComment"># repl-col</span>
-<span id="L976" class="LineNr"> 976 </span>  <span class="PreProc">var</span> _repl-col/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, code-separator-col
-<span id="L977" class="LineNr"> 977 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
-<span id="L978" class="LineNr"> 978 </span>  repl-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># repl-margin-left</span>
-<span id="L979" class="LineNr"> 979 </span>  <span class="muComment"># functions</span>
-<span id="L980" class="LineNr"> 980 </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="L981" class="LineNr"> 981 </span>  <span class="muComment"># sandbox</span>
-<span id="L982" class="LineNr"> 982 </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="L983" class="LineNr"> 983 </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="L984" class="LineNr"> 984 </span>  <span class="muComment"># bindings</span>
-<span id="L985" class="LineNr"> 985 </span>  <span class="PreProc">var</span> bindings-storage: <a href='data.mu.html#L47'>table</a>
-<span id="L986" class="LineNr"> 986 </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="L987" class="LineNr"> 987 </span>  <a href='table.mu.html#L1'>initialize-table</a> bindings, <span class="Constant">0x10</span>
-<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>  <a href='environment.mu.html#L993'>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="L990" class="LineNr"> 990 </span><span class="CommentedCode">#?   print-string 0, &quot;render-sandbox }\n&quot;</span>
-<span id="L991" class="LineNr"> 991 </span><span class="Delimiter">}</span>
-<span id="L992" class="LineNr"> 992 </span>
-<span id="L993" class="LineNr"> 993 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L993'>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="L994" class="LineNr"> 994 </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="L995" class="LineNr"> 995 </span>  <span class="muComment"># line</span>
-<span id="L996" class="LineNr"> 996 </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="L997" class="LineNr"> 997 </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="L998" class="LineNr"> 998 </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="L999" class="LineNr"> 999 </span>  <span class="muComment">#</span>
-<span id="L1000" class="LineNr">1000 </span>  <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
-<span id="L1001" class="LineNr">1001 </span>  <span class="muComment"># cursor row, col</span>
-<span id="L1002" class="LineNr">1002 </span>  <span class="PreProc">var</span> cursor-row: int
-<span id="L1003" class="LineNr">1003 </span>  <span class="PreProc">var</span> cursor-row-addr: (addr int)
-<span id="L1004" class="LineNr">1004 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> address cursor-row
-<span id="L1005" class="LineNr">1005 </span>  copy-to cursor-row-addr, tmp
-<span id="L1006" class="LineNr">1006 </span>  <span class="PreProc">var</span> cursor-col: int
-<span id="L1007" class="LineNr">1007 </span>  <span class="PreProc">var</span> cursor-col-addr: (addr int)
-<span id="L1008" class="LineNr">1008 </span>  tmp <span class="SpecialChar">&lt;-</span> address cursor-col
-<span id="L1009" class="LineNr">1009 </span>  copy-to cursor-col-addr, tmp
-<span id="L1010" class="LineNr">1010 </span>  <span class="muComment"># render all but final line without stack</span>
-<span id="L1011" class="LineNr">1011 </span><span class="CommentedCode">#?   print-string 0, &quot;render all but final line\n&quot;</span>
-<span id="L1012" class="LineNr">1012 </span>  <span class="Delimiter">{</span>
-<span id="L1013" class="LineNr">1013 </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="L1014" class="LineNr">1014 </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="L1015" class="LineNr">1015 </span>    compare next-line, <span class="Constant">0</span>
-<span id="L1016" class="LineNr">1016 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1017" class="LineNr">1017 </span>    <span class="Delimiter">{</span>
-<span id="L1018" class="LineNr">1018 </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="L1019" class="LineNr">1019 </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="L1020" class="LineNr">1020 </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="L1021" class="LineNr">1021 </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="L1022" class="LineNr">1022 </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="L1023" class="LineNr">1023 </span>      <a href='environment.mu.html#L1174'>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="L1024" class="LineNr">1024 </span>    <span class="Delimiter">}</span>
-<span id="L1025" class="LineNr">1025 </span>    curr-line <span class="SpecialChar">&lt;-</span> copy next-line
-<span id="L1026" class="LineNr">1026 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1027" class="LineNr">1027 </span>    <span class="PreProc">loop</span>
-<span id="L1028" class="LineNr">1028 </span>  <span class="Delimiter">}</span>
-<span id="L1029" class="LineNr">1029 </span>  <span class="muComment">#</span>
-<span id="L1030" class="LineNr">1030 </span>  <a href='environment.mu.html#L1037'>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="L1031" class="LineNr">1031 </span>  <span class="muComment"># at most one of the following dialogs will be rendered</span>
-<span id="L1032" class="LineNr">1032 </span>  <a href='environment.mu.html#L1089'>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="L1033" class="LineNr">1033 </span>  <a href='environment.mu.html#L1131'>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="L1034" class="LineNr">1034 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, cursor-col
-<span id="L1035" class="LineNr">1035 </span><span class="Delimiter">}</span>
-<span id="L1036" class="LineNr">1036 </span>
-<span id="L1037" class="LineNr">1037 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1037'>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="L1038" class="LineNr">1038 </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="L1039" class="LineNr">1039 </span>  <span class="muComment"># expanded-words</span>
-<span id="L1040" class="LineNr">1040 </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="L1041" class="LineNr">1041 </span>  <span class="muComment"># cursor-word</span>
-<span id="L1042" class="LineNr">1042 </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="L1043" class="LineNr">1043 </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="L1044" class="LineNr">1044 </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="L1045" class="LineNr">1045 </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="L1046" class="LineNr">1046 </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="L1047" class="LineNr">1047 </span><span class="CommentedCode">#?   print-string 0, &quot;word at cursor: &quot;</span>
-<span id="L1048" class="LineNr">1048 </span><span class="CommentedCode">#?   print-word 0, cursor-word</span>
-<span id="L1049" class="LineNr">1049 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
-<span id="L1050" class="LineNr">1050 </span>  <span class="muComment"># cursor-call-path</span>
-<span id="L1051" class="LineNr">1051 </span>  <span class="PreProc">var</span> cursor-call-path: (addr handle <a href='data.mu.html#L65'>call-path-element</a>)
-<span id="L1052" class="LineNr">1052 </span>  <span class="Delimiter">{</span>
-<span id="L1053" class="LineNr">1053 </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="L1054" class="LineNr">1054 </span>    copy-to cursor-call-path, src
-<span id="L1055" class="LineNr">1055 </span>  <span class="Delimiter">}</span>
-<span id="L1056" class="LineNr">1056 </span>  <span class="muComment"># first line</span>
-<span id="L1057" class="LineNr">1057 </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="L1058" class="LineNr">1058 </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="L1059" class="LineNr">1059 </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="L1060" class="LineNr">1060 </span>  <span class="muComment"># final line</span>
-<span id="L1061" class="LineNr">1061 </span>  <span class="PreProc">var</span> final-line-storage: (handle <a href='data.mu.html#L22'>line</a>)
-<span id="L1062" class="LineNr">1062 </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="L1063" class="LineNr">1063 </span>  <a href='environment.mu.html#L1074'>final-line</a> <a href='data.mu.html#L1'>sandbox</a>, final-line-ah
-<span id="L1064" class="LineNr">1064 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1074'>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="L1065" class="LineNr">1065 </span>  <span class="muComment"># curr-path</span>
-<span id="L1066" class="LineNr">1066 </span>  <span class="PreProc">var</span> curr-path-storage: (handle <a href='data.mu.html#L65'>call-path-element</a>)
-<span id="L1067" class="LineNr">1067 </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="L1068" class="LineNr">1068 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> curr-path  <span class="muComment"># leak</span>
-<span id="L1069" class="LineNr">1069 </span>  <a href='data.mu.html#L294'>initialize-path-from-line</a> <a href='environment.mu.html#L1074'>final-line</a>, curr-path
-<span id="L1070" class="LineNr">1070 </span>  <span class="muComment">#</span>
-<span id="L1071" class="LineNr">1071 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1261'>render-line</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, first-line, <a href='environment.mu.html#L1074'>final-line</a>, expanded-words, top-row, left-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
-<span id="L1072" class="LineNr">1072 </span><span class="Delimiter">}</span>
-<span id="L1073" class="LineNr">1073 </span>
-<span id="L1074" class="LineNr">1074 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1074'>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="L1075" class="LineNr">1075 </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="L1076" class="LineNr">1076 </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="L1077" class="LineNr">1077 </span>  <span class="Delimiter">{</span>
-<span id="L1078" class="LineNr">1078 </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="L1079" class="LineNr">1079 </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="L1080" class="LineNr">1080 </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="L1081" class="LineNr">1081 </span>    compare next-line, <span class="Constant">0</span>
-<span id="L1082" class="LineNr">1082 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1083" class="LineNr">1083 </span>    curr-line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
-<span id="L1084" class="LineNr">1084 </span>    <span class="PreProc">loop</span>
-<span id="L1085" class="LineNr">1085 </span>  <span class="Delimiter">}</span>
-<span id="L1086" class="LineNr">1086 </span>  copy-object curr-line-ah, out
-<span id="L1087" class="LineNr">1087 </span><span class="Delimiter">}</span>
-<span id="L1088" class="LineNr">1088 </span>
-<span id="L1089" class="LineNr">1089 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1089'>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="L1090" class="LineNr">1090 </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="L1091" class="LineNr">1091 </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="L1092" class="LineNr">1092 </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="L1093" class="LineNr">1093 </span>  compare rename-word-mode?, <span class="Constant">0</span>
-<span id="L1094" class="LineNr">1094 </span>  <span class="PreProc">break-if-=</span>
-<span id="L1095" class="LineNr">1095 </span>  <span class="muComment"># clear a space for the dialog</span>
-<span id="L1096" class="LineNr">1096 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1097" class="LineNr">1097 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
-<span id="L1098" class="LineNr">1098 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1099" class="LineNr">1099 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
-<span id="L1100" class="LineNr">1100 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1101" class="LineNr">1101 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
-<span id="L1102" class="LineNr">1102 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1103" class="LineNr">1103 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
-<span id="L1104" class="LineNr">1104 </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="L1105" class="LineNr">1105 </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="L1106" class="LineNr">1106 </span>  <span class="muComment"># render a little menu for the dialog</span>
-<span id="L1107" class="LineNr">1107 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
-<span id="L1108" class="LineNr">1108 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1109" class="LineNr">1109 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1110" class="LineNr">1110 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1111" class="LineNr">1111 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
-<span id="L1112" class="LineNr">1112 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1113" class="LineNr">1113 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; esc &quot;</span>
-<span id="L1114" class="LineNr">1114 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1115" class="LineNr">1115 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; cancel  &quot;</span>
-<span id="L1116" class="LineNr">1116 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<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; enter &quot;</span>
-<span id="L1118" class="LineNr">1118 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1119" class="LineNr">1119 </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="L1120" class="LineNr">1120 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
-<span id="L1121" class="LineNr">1121 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1122" class="LineNr">1122 </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="L1123" class="LineNr">1123 </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="L1124" class="LineNr">1124 </span>  <span class="PreProc">var</span> <a href='word.mu.html#L214'>cursor-index</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L214'>cursor-index</a> <a href='data.mu.html#L30'>word</a>
-<span id="L1125" class="LineNr">1125 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <a href='word.mu.html#L214'>cursor-index</a>
-<span id="L1126" class="LineNr">1126 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
-<span id="L1127" class="LineNr">1127 </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="L1128" class="LineNr">1128 </span>  <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L30'>word</a>
-<span id="L1129" class="LineNr">1129 </span><span class="Delimiter">}</span>
-<span id="L1130" class="LineNr">1130 </span>
-<span id="L1131" class="LineNr">1131 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1131'>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="L1132" class="LineNr">1132 </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="L1133" class="LineNr">1133 </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="L1134" class="LineNr">1134 </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="L1135" class="LineNr">1135 </span>  compare define-function-mode?, <span class="Constant">0</span>
-<span id="L1136" class="LineNr">1136 </span>  <span class="PreProc">break-if-=</span>
-<span id="L1137" class="LineNr">1137 </span>  <span class="muComment"># clear a space for the dialog</span>
-<span id="L1138" class="LineNr">1138 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1139" class="LineNr">1139 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
-<span id="L1140" class="LineNr">1140 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1141" class="LineNr">1141 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
-<span id="L1142" class="LineNr">1142 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1143" class="LineNr">1143 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
-<span id="L1144" class="LineNr">1144 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1145" class="LineNr">1145 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
-<span id="L1146" class="LineNr">1146 </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="L1147" class="LineNr">1147 </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="L1148" class="LineNr">1148 </span>  <span class="muComment"># render a little menu for the dialog</span>
-<span id="L1149" class="LineNr">1149 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
-<span id="L1150" class="LineNr">1150 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1151" class="LineNr">1151 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1152" class="LineNr">1152 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1153" class="LineNr">1153 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
-<span id="L1154" class="LineNr">1154 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1155" class="LineNr">1155 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; esc &quot;</span>
-<span id="L1156" class="LineNr">1156 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1157" class="LineNr">1157 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; cancel  &quot;</span>
-<span id="L1158" class="LineNr">1158 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<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; enter &quot;</span>
-<span id="L1160" class="LineNr">1160 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1161" class="LineNr">1161 </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="L1162" class="LineNr">1162 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
-<span id="L1163" class="LineNr">1163 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1164" class="LineNr">1164 </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="L1165" class="LineNr">1165 </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="L1166" class="LineNr">1166 </span>  <span class="PreProc">var</span> <a href='word.mu.html#L214'>cursor-index</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L214'>cursor-index</a> <a href='data.mu.html#L30'>word</a>
-<span id="L1167" class="LineNr">1167 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <a href='word.mu.html#L214'>cursor-index</a>
-<span id="L1168" class="LineNr">1168 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
-<span id="L1169" class="LineNr">1169 </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="L1170" class="LineNr">1170 </span>  <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L30'>word</a>
-<span id="L1171" class="LineNr">1171 </span><span class="Delimiter">}</span>
-<span id="L1172" class="LineNr">1172 </span>
-<span id="L1173" class="LineNr">1173 </span><span class="muComment"># Render just the words in 'line'.</span>
-<span id="L1174" class="LineNr">1174 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1174'>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="L1175" class="LineNr">1175 </span>  <span class="muComment"># curr-word</span>
-<span id="L1176" class="LineNr">1176 </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="L1177" class="LineNr">1177 </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="L1178" class="LineNr">1178 </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="L1179" class="LineNr">1179 </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="L1180" class="LineNr">1180 </span>  <span class="muComment">#</span>
-<span id="L1181" class="LineNr">1181 </span>  <span class="muComment"># loop-carried dependency</span>
-<span id="L1182" class="LineNr">1182 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1183" class="LineNr">1183 </span>  <span class="muComment">#</span>
-<span id="L1184" class="LineNr">1184 </span>  <span class="Delimiter">{</span>
-<span id="L1185" class="LineNr">1185 </span>    compare curr-word, <span class="Constant">0</span>
-<span id="L1186" class="LineNr">1186 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1187" class="LineNr">1187 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word in penultimate lines: &quot;</span>
-<span id="L1188" class="LineNr">1188 </span><span class="CommentedCode">#?     {</span>
-<span id="L1189" class="LineNr">1189 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
-<span id="L1190" class="LineNr">1190 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L1191" class="LineNr">1191 </span><span class="CommentedCode">#?     }</span>
-<span id="L1192" class="LineNr">1192 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
-<span id="L1193" class="LineNr">1193 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
-<span id="L1194" class="LineNr">1194 </span>    <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1195" class="LineNr">1195 </span>    <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, curr-col
-<span id="L1196" class="LineNr">1196 </span>    <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
-<span id="L1197" class="LineNr">1197 </span>    <span class="Delimiter">{</span>
-<span id="L1198" class="LineNr">1198 </span>      <span class="PreProc">var</span> max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L106'>word-length</a> curr-word
-<span id="L1199" class="LineNr">1199 </span>      curr-col <span class="SpecialChar">&lt;-</span> add max-width
-<span id="L1200" class="LineNr">1200 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
-<span id="L1201" class="LineNr">1201 </span>    <span class="Delimiter">}</span>
-<span id="L1202" class="LineNr">1202 </span>    <span class="muComment"># cache cursor column if necessary</span>
-<span id="L1203" class="LineNr">1203 </span>    <span class="Delimiter">{</span>
-<span id="L1204" class="LineNr">1204 </span>      compare curr-word, cursor-word
-<span id="L1205" class="LineNr">1205 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L1206" class="LineNr">1206 </span><span class="CommentedCode">#?       print-string 0, &quot;Cursor at &quot;</span>
-<span id="L1207" class="LineNr">1207 </span><span class="CommentedCode">#?       print-int32-decimal 0, curr-row</span>
-<span id="L1208" class="LineNr">1208 </span><span class="CommentedCode">#?       print-string 0, &quot;, &quot;</span>
-<span id="L1209" class="LineNr">1209 </span><span class="CommentedCode">#?       print-int32-decimal 0, old-col</span>
-<span id="L1210" class="LineNr">1210 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1211" class="LineNr">1211 </span><span class="CommentedCode">#?       print-string 0, &quot;contents: &quot;</span>
-<span id="L1212" class="LineNr">1212 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
-<span id="L1213" class="LineNr">1213 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1214" class="LineNr">1214 </span><span class="CommentedCode">#?       {</span>
-<span id="L1215" class="LineNr">1215 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
-<span id="L1216" class="LineNr">1216 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L1217" class="LineNr">1217 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L1218" class="LineNr">1218 </span><span class="CommentedCode">#?       }</span>
-<span id="L1219" class="LineNr">1219 </span>      <span class="PreProc">var</span> dest/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> copy cursor-row-addr
-<span id="L1220" class="LineNr">1220 </span>      <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy curr-row
-<span id="L1221" class="LineNr">1221 </span>      copy-to *dest, src
-<span id="L1222" class="LineNr">1222 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
-<span id="L1223" class="LineNr">1223 </span>      copy-to *dest, old-col
-<span id="L1224" class="LineNr">1224 </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#L214'>cursor-index</a> curr-word
-<span id="L1225" class="LineNr">1225 </span>      add-to *dest, cursor-index-in-word
-<span id="L1226" class="LineNr">1226 </span>    <span class="Delimiter">}</span>
-<span id="L1227" class="LineNr">1227 </span>    <span class="muComment"># loop update</span>
-<span id="L1228" class="LineNr">1228 </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="L1229" class="LineNr">1229 </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="L1230" class="LineNr">1230 </span>    curr-word <span class="SpecialChar">&lt;-</span> copy _curr-word
-<span id="L1231" class="LineNr">1231 </span>    <span class="PreProc">loop</span>
-<span id="L1232" class="LineNr">1232 </span>  <span class="Delimiter">}</span>
-<span id="L1233" class="LineNr">1233 </span><span class="Delimiter">}</span>
-<span id="L1234" class="LineNr">1234 </span>
-<span id="L1235" class="LineNr">1235 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1235'>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="L1236" class="LineNr">1236 </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="L1237" class="LineNr">1237 </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="L1238" class="LineNr">1238 </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#L1243'>call-path-element-length</a> cursor-call-path
-<span id="L1239" class="LineNr">1239 </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="L1240" class="LineNr">1240 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
-<span id="L1241" class="LineNr">1241 </span><span class="Delimiter">}</span>
-<span id="L1242" class="LineNr">1242 </span>
-<span id="L1243" class="LineNr">1243 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1243'>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="L1244" class="LineNr">1244 </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="L1245" class="LineNr">1245 </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="L1246" class="LineNr">1246 </span>  <span class="Delimiter">{</span>
-<span id="L1247" class="LineNr">1247 </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="L1248" class="LineNr">1248 </span>    compare curr, <span class="Constant">0</span>
-<span id="L1249" class="LineNr">1249 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1250" class="LineNr">1250 </span>    curr-ah <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
-<span id="L1251" class="LineNr">1251 </span>    <a href='data.mu.html#L70'>result</a> <span class="SpecialChar">&lt;-</span> increment
-<span id="L1252" class="LineNr">1252 </span>    <span class="PreProc">loop</span>
-<span id="L1253" class="LineNr">1253 </span>  <span class="Delimiter">}</span>
-<span id="L1254" class="LineNr">1254 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
-<span id="L1255" class="LineNr">1255 </span><span class="Delimiter">}</span>
-<span id="L1256" class="LineNr">1256 </span>
-<span id="L1257" class="LineNr">1257 </span><span class="muComment"># Render the line of words in line, along with the state of the stack under each word.</span>
-<span id="L1258" class="LineNr">1258 </span><span class="muComment"># Also render any expanded function calls using recursive calls.</span>
-<span id="L1259" class="LineNr">1259 </span><span class="muComment">#</span>
-<span id="L1260" class="LineNr">1260 </span><span class="muComment"># Along the way, compute the column the cursor should be positioned at (cursor-col-addr).</span>
-<span id="L1261" class="LineNr">1261 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1261'>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="L1262" class="LineNr">1262 </span><span class="CommentedCode">#?   print-string 0, &quot;render-line\n&quot;</span>
-<span id="L1263" class="LineNr">1263 </span><span class="CommentedCode">#?   dump-table bindings</span>
-<span id="L1264" class="LineNr">1264 </span>  <span class="muComment"># curr-word</span>
-<span id="L1265" class="LineNr">1265 </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="L1266" class="LineNr">1266 </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="L1267" class="LineNr">1267 </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="L1268" class="LineNr">1268 </span>  <span class="muComment">#</span>
-<span id="L1269" class="LineNr">1269 </span>  <span class="muComment"># loop-carried dependency</span>
-<span id="L1270" class="LineNr">1270 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1271" class="LineNr">1271 </span>  <span class="muComment">#</span>
-<span id="L1272" class="LineNr">1272 </span>  <span class="Delimiter">{</span>
-<span id="L1273" class="LineNr">1273 </span>    compare curr-word, <span class="Constant">0</span>
-<span id="L1274" class="LineNr">1274 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1275" class="LineNr">1275 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word &quot;</span>
-<span id="L1276" class="LineNr">1276 </span><span class="CommentedCode">#?     print-word 0, curr-word</span>
-<span id="L1277" class="LineNr">1277 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
-<span id="L1278" class="LineNr">1278 </span>    <span class="muComment"># if necessary, first render columns for subsidiary stack</span>
-<span id="L1279" class="LineNr">1279 </span>    $render-line:subsidiary: <span class="Delimiter">{</span>
-<span id="L1280" class="LineNr">1280 </span>      <span class="Delimiter">{</span>
-<span id="L1281" class="LineNr">1281 </span><span class="CommentedCode">#?         print-string 0, &quot;check sub\n&quot;</span>
-<span id="L1282" class="LineNr">1282 </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#L303'>find-in-call-paths</a> expanded-words, curr-path
-<span id="L1283" class="LineNr">1283 </span>        compare display-subsidiary-stack?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1284" class="LineNr">1284 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
-<span id="L1285" class="LineNr">1285 </span>      <span class="Delimiter">}</span>
-<span id="L1286" class="LineNr">1286 </span><span class="CommentedCode">#?       print-string 0, &quot;render subsidiary stack\n&quot;</span>
-<span id="L1287" class="LineNr">1287 </span>      <span class="muComment"># does function exist?</span>
-<span id="L1288" class="LineNr">1288 </span>      <span class="PreProc">var</span> <a href='environment.mu.html#L1387'>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="L1289" class="LineNr">1289 </span>      <span class="Delimiter">{</span>
-<span id="L1290" class="LineNr">1290 </span>        <span class="PreProc">var</span> callee-h: (handle <a href='data.mu.html#L14'>function</a>)
-<span id="L1291" class="LineNr">1291 </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="L1292" class="LineNr">1292 </span>        <a href='environment.mu.html#L1387'>callee</a> functions, curr-word, callee-ah
-<span id="L1293" class="LineNr">1293 </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="L1294" class="LineNr">1294 </span>        <a href='environment.mu.html#L1387'>callee</a> <span class="SpecialChar">&lt;-</span> copy _callee
-<span id="L1295" class="LineNr">1295 </span>        compare <a href='environment.mu.html#L1387'>callee</a>, <span class="Constant">0</span>
-<span id="L1296" class="LineNr">1296 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
-<span id="L1297" class="LineNr">1297 </span>      <span class="Delimiter">}</span>
-<span id="L1298" class="LineNr">1298 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
-<span id="L1299" class="LineNr">1299 </span>      <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">8</span>, <span class="Constant">7</span>
-<span id="L1300" class="LineNr">1300 </span>      <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
-<span id="L1301" class="LineNr">1301 </span>      <span class="Delimiter">{</span>
-<span id="L1302" class="LineNr">1302 </span>        <span class="PreProc">var</span> word-len/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L106'>word-length</a> curr-word
-<span id="L1303" class="LineNr">1303 </span>        curr-col <span class="SpecialChar">&lt;-</span> add word-len
-<span id="L1304" class="LineNr">1304 </span>        curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1305" class="LineNr">1305 </span>        increment top-row
-<span id="L1306" class="LineNr">1306 </span>      <span class="Delimiter">}</span>
-<span id="L1307" class="LineNr">1307 </span>      <span class="muComment"># obtain stack at call site</span>
-<span id="L1308" class="LineNr">1308 </span>      <span class="PreProc">var</span> stack-storage: <a href='value-stack.mu.html#L3'>value-stack</a>
-<span id="L1309" class="LineNr">1309 </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="L1310" class="LineNr">1310 </span>      <a href='value-stack.mu.html#L8'>initialize-value-stack</a> stack, <span class="Constant">0x10</span>
+<span id="L926" class="LineNr"> 926 </span>    <span class="PreProc">break-if-=</span>
+<span id="L927" class="LineNr"> 927 </span>    <span class="muComment"># otherwise delete</span>
+<span id="L928" class="LineNr"> 928 </span>    <a href='data.mu.html#L406'>delete-in-call-path</a> expanded-words cursor-call-path
+<span id="L929" class="LineNr"> 929 </span>  <span class="Delimiter">}</span>
+<span id="L930" class="LineNr"> 930 </span><span class="Delimiter">}</span>
+<span id="L931" class="LineNr"> 931 </span>
+<span id="L932" class="LineNr"> 932 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L932'>append-line</a></span> _sandbox: (addr <a href='data.mu.html#L1'>sandbox</a>) <span class="Delimiter">{</span>
+<span id="L933" class="LineNr"> 933 </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="L934" class="LineNr"> 934 </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="L935" class="LineNr"> 935 </span>  <span class="Delimiter">{</span>
+<span id="L936" class="LineNr"> 936 </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="L937" class="LineNr"> 937 </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="L938" class="LineNr"> 938 </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="L939" class="LineNr"> 939 </span>    compare next-line, <span class="Constant">0</span>
+<span id="L940" class="LineNr"> 940 </span>    <span class="PreProc">break-if-=</span>
+<span id="L941" class="LineNr"> 941 </span>    line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
+<span id="L942" class="LineNr"> 942 </span>    <span class="PreProc">loop</span>
+<span id="L943" class="LineNr"> 943 </span>  <span class="Delimiter">}</span>
+<span id="L944" class="LineNr"> 944 </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="L945" class="LineNr"> 945 </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="L946" class="LineNr"> 946 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> final-line-ah
+<span id="L947" class="LineNr"> 947 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1084'>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="L948" class="LineNr"> 948 </span>  <a href='data.mu.html#L90'>initialize-line</a> <a href='environment.mu.html#L1084'>final-line</a>
+<span id="L949" class="LineNr"> 949 </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#L1084'>final-line</a>, prev
+<span id="L950" class="LineNr"> 950 </span>  copy-object line-ah, final-prev
+<span id="L951" class="LineNr"> 951 </span>  <span class="muComment"># clear cursor</span>
+<span id="L952" class="LineNr"> 952 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1084'>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="L953" class="LineNr"> 953 </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#L1084'>final-line</a>, data
+<span id="L954" class="LineNr"> 954 </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="L955" class="LineNr"> 955 </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="L956" class="LineNr"> 956 </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="L957" class="LineNr"> 957 </span>  copy-object word-ah, dest
+<span id="L958" class="LineNr"> 958 </span><span class="Delimiter">}</span>
+<span id="L959" class="LineNr"> 959 </span>
+<span id="L960" class="LineNr"> 960 </span><span class="muComment">#############</span>
+<span id="L961" class="LineNr"> 961 </span><span class="muComment"># Visualize</span>
+<span id="L962" class="LineNr"> 962 </span><span class="muComment">#############</span>
+<span id="L963" class="LineNr"> 963 </span>
+<span id="L964" class="LineNr"> 964 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L964'>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="L965" class="LineNr"> 965 </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="L966" class="LineNr"> 966 </span>  <span class="muComment"># functions</span>
+<span id="L967" class="LineNr"> 967 </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="L968" class="LineNr"> 968 </span>  <span class="muComment"># line</span>
+<span id="L969" class="LineNr"> 969 </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="L970" class="LineNr"> 970 </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="L971" class="LineNr"> 971 </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="L972" class="LineNr"> 972 </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="L973" class="LineNr"> 973 </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="L974" class="LineNr"> 974 </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="L975" class="LineNr"> 975 </span><span class="Delimiter">}</span>
+<span id="L976" class="LineNr"> 976 </span>
+<span id="L977" class="LineNr"> 977 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L977'>render</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
+<span id="L978" class="LineNr"> 978 </span><span class="CommentedCode">#?   print-string 0, &quot;== render\n&quot;</span>
+<span id="L979" class="LineNr"> 979 </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="L980" class="LineNr"> 980 </span>  <a href='environment.mu.html#L1474'>clear-canvas</a> env
+<span id="L981" class="LineNr"> 981 </span>  <span class="muComment"># screen</span>
+<span id="L982" class="LineNr"> 982 </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="L983" class="LineNr"> 983 </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
+<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
+<span id="L985" class="LineNr"> 985 </span>  <span class="muComment"># repl-col</span>
+<span id="L986" class="LineNr"> 986 </span>  <span class="PreProc">var</span> _repl-col/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, code-separator-col
+<span id="L987" class="LineNr"> 987 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
+<span id="L988" class="LineNr"> 988 </span>  repl-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># repl-margin-left</span>
+<span id="L989" class="LineNr"> 989 </span>  <span class="muComment"># functions</span>
+<span id="L990" class="LineNr"> 990 </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="L991" class="LineNr"> 991 </span>  <span class="muComment"># sandbox</span>
+<span id="L992" class="LineNr"> 992 </span>  <span class="PreProc">var</span> cursor-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, cursor-sandbox
+<span id="L993" class="LineNr"> 993 </span>  <span class="PreProc">var</span> cursor-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> *cursor-sandbox-ah
+<span id="L994" class="LineNr"> 994 </span>  <span class="muComment"># bindings</span>
+<span id="L995" class="LineNr"> 995 </span>  <span class="PreProc">var</span> bindings-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L996" class="LineNr"> 996 </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="L997" class="LineNr"> 997 </span>  <a href='table.mu.html#L1'>initialize-table</a> bindings, <span class="Constant">0x10</span>
+<span id="L998" class="LineNr"> 998 </span><span class="CommentedCode">#?   print-string 0, &quot;render-sandbox {\n&quot;</span>
+<span id="L999" class="LineNr"> 999 </span>  <a href='environment.mu.html#L1003'>render-sandbox</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, cursor-sandbox, <span class="Constant">3</span>, repl-col
+<span id="L1000" class="LineNr">1000 </span><span class="CommentedCode">#?   print-string 0, &quot;render-sandbox }\n&quot;</span>
+<span id="L1001" class="LineNr">1001 </span><span class="Delimiter">}</span>
+<span id="L1002" class="LineNr">1002 </span>
+<span id="L1003" class="LineNr">1003 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1003'>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="L1004" class="LineNr">1004 </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="L1005" class="LineNr">1005 </span>  <span class="muComment"># line</span>
+<span id="L1006" class="LineNr">1006 </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="L1007" class="LineNr">1007 </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="L1008" class="LineNr">1008 </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="L1009" class="LineNr">1009 </span>  <span class="muComment">#</span>
+<span id="L1010" class="LineNr">1010 </span>  <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
+<span id="L1011" class="LineNr">1011 </span>  <span class="muComment"># cursor row, col</span>
+<span id="L1012" class="LineNr">1012 </span>  <span class="PreProc">var</span> cursor-row: int
+<span id="L1013" class="LineNr">1013 </span>  <span class="PreProc">var</span> cursor-row-addr: (addr int)
+<span id="L1014" class="LineNr">1014 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> address cursor-row
+<span id="L1015" class="LineNr">1015 </span>  copy-to cursor-row-addr, tmp
+<span id="L1016" class="LineNr">1016 </span>  <span class="PreProc">var</span> cursor-col: int
+<span id="L1017" class="LineNr">1017 </span>  <span class="PreProc">var</span> cursor-col-addr: (addr int)
+<span id="L1018" class="LineNr">1018 </span>  tmp <span class="SpecialChar">&lt;-</span> address cursor-col
+<span id="L1019" class="LineNr">1019 </span>  copy-to cursor-col-addr, tmp
+<span id="L1020" class="LineNr">1020 </span>  <span class="muComment"># render all but final line without stack</span>
+<span id="L1021" class="LineNr">1021 </span><span class="CommentedCode">#?   print-string 0, &quot;render all but final line\n&quot;</span>
+<span id="L1022" class="LineNr">1022 </span>  <span class="Delimiter">{</span>
+<span id="L1023" class="LineNr">1023 </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="L1024" class="LineNr">1024 </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="L1025" class="LineNr">1025 </span>    compare next-line, <span class="Constant">0</span>
+<span id="L1026" class="LineNr">1026 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1027" class="LineNr">1027 </span>    <span class="Delimiter">{</span>
+<span id="L1028" class="LineNr">1028 </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="L1029" class="LineNr">1029 </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="L1030" class="LineNr">1030 </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="L1031" class="LineNr">1031 </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="L1032" class="LineNr">1032 </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="L1033" class="LineNr">1033 </span>      <a href='environment.mu.html#L1184'>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="L1034" class="LineNr">1034 </span>    <span class="Delimiter">}</span>
+<span id="L1035" class="LineNr">1035 </span>    curr-line <span class="SpecialChar">&lt;-</span> copy next-line
+<span id="L1036" class="LineNr">1036 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1037" class="LineNr">1037 </span>    <span class="PreProc">loop</span>
+<span id="L1038" class="LineNr">1038 </span>  <span class="Delimiter">}</span>
+<span id="L1039" class="LineNr">1039 </span>  <span class="muComment">#</span>
+<span id="L1040" class="LineNr">1040 </span>  <a href='environment.mu.html#L1047'>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="L1041" class="LineNr">1041 </span>  <span class="muComment"># at most one of the following dialogs will be rendered</span>
+<span id="L1042" class="LineNr">1042 </span>  <a href='environment.mu.html#L1099'>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="L1043" class="LineNr">1043 </span>  <a href='environment.mu.html#L1141'>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="L1044" class="LineNr">1044 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, cursor-col
+<span id="L1045" class="LineNr">1045 </span><span class="Delimiter">}</span>
+<span id="L1046" class="LineNr">1046 </span>
+<span id="L1047" class="LineNr">1047 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1047'>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="L1048" class="LineNr">1048 </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="L1049" class="LineNr">1049 </span>  <span class="muComment"># expanded-words</span>
+<span id="L1050" class="LineNr">1050 </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="L1051" class="LineNr">1051 </span>  <span class="muComment"># cursor-word</span>
+<span id="L1052" class="LineNr">1052 </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="L1053" class="LineNr">1053 </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="L1054" class="LineNr">1054 </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="L1055" class="LineNr">1055 </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="L1056" class="LineNr">1056 </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="L1057" class="LineNr">1057 </span><span class="CommentedCode">#?   print-string 0, &quot;word at cursor: &quot;</span>
+<span id="L1058" class="LineNr">1058 </span><span class="CommentedCode">#?   print-word 0, cursor-word</span>
+<span id="L1059" class="LineNr">1059 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
+<span id="L1060" class="LineNr">1060 </span>  <span class="muComment"># cursor-call-path</span>
+<span id="L1061" class="LineNr">1061 </span>  <span class="PreProc">var</span> cursor-call-path: (addr handle <a href='data.mu.html#L65'>call-path-element</a>)
+<span id="L1062" class="LineNr">1062 </span>  <span class="Delimiter">{</span>
+<span id="L1063" class="LineNr">1063 </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="L1064" class="LineNr">1064 </span>    copy-to cursor-call-path, src
+<span id="L1065" class="LineNr">1065 </span>  <span class="Delimiter">}</span>
+<span id="L1066" class="LineNr">1066 </span>  <span class="muComment"># first line</span>
+<span id="L1067" class="LineNr">1067 </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="L1068" class="LineNr">1068 </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="L1069" class="LineNr">1069 </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="L1070" class="LineNr">1070 </span>  <span class="muComment"># final line</span>
+<span id="L1071" class="LineNr">1071 </span>  <span class="PreProc">var</span> final-line-storage: (handle <a href='data.mu.html#L22'>line</a>)
+<span id="L1072" class="LineNr">1072 </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="L1073" class="LineNr">1073 </span>  <a href='environment.mu.html#L1084'>final-line</a> <a href='data.mu.html#L1'>sandbox</a>, final-line-ah
+<span id="L1074" class="LineNr">1074 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1084'>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="L1075" class="LineNr">1075 </span>  <span class="muComment"># curr-path</span>
+<span id="L1076" class="LineNr">1076 </span>  <span class="PreProc">var</span> curr-path-storage: (handle <a href='data.mu.html#L65'>call-path-element</a>)
+<span id="L1077" class="LineNr">1077 </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="L1078" class="LineNr">1078 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> curr-path  <span class="muComment"># leak</span>
+<span id="L1079" class="LineNr">1079 </span>  <a href='data.mu.html#L294'>initialize-path-from-line</a> <a href='environment.mu.html#L1084'>final-line</a>, curr-path
+<span id="L1080" class="LineNr">1080 </span>  <span class="muComment">#</span>
+<span id="L1081" class="LineNr">1081 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1271'>render-line</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, first-line, <a href='environment.mu.html#L1084'>final-line</a>, expanded-words, top-row, left-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
+<span id="L1082" class="LineNr">1082 </span><span class="Delimiter">}</span>
+<span id="L1083" class="LineNr">1083 </span>
+<span id="L1084" class="LineNr">1084 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1084'>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="L1085" class="LineNr">1085 </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="L1086" class="LineNr">1086 </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="L1087" class="LineNr">1087 </span>  <span class="Delimiter">{</span>
+<span id="L1088" class="LineNr">1088 </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="L1089" class="LineNr">1089 </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="L1090" class="LineNr">1090 </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="L1091" class="LineNr">1091 </span>    compare next-line, <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>    curr-line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
+<span id="L1094" class="LineNr">1094 </span>    <span class="PreProc">loop</span>
+<span id="L1095" class="LineNr">1095 </span>  <span class="Delimiter">}</span>
+<span id="L1096" class="LineNr">1096 </span>  copy-object curr-line-ah, out
+<span id="L1097" class="LineNr">1097 </span><span class="Delimiter">}</span>
+<span id="L1098" class="LineNr">1098 </span>
+<span id="L1099" class="LineNr">1099 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1099'>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="L1100" class="LineNr">1100 </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="L1101" class="LineNr">1101 </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="L1102" class="LineNr">1102 </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="L1103" class="LineNr">1103 </span>  compare rename-word-mode?, <span class="Constant">0</span>
+<span id="L1104" class="LineNr">1104 </span>  <span class="PreProc">break-if-=</span>
+<span id="L1105" class="LineNr">1105 </span>  <span class="muComment"># clear a space for the dialog</span>
+<span id="L1106" class="LineNr">1106 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1107" class="LineNr">1107 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
+<span id="L1108" class="LineNr">1108 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1109" class="LineNr">1109 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
+<span id="L1110" class="LineNr">1110 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1111" class="LineNr">1111 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
+<span id="L1112" class="LineNr">1112 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1113" class="LineNr">1113 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
+<span id="L1114" class="LineNr">1114 </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="L1115" class="LineNr">1115 </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="L1116" class="LineNr">1116 </span>  <span class="muComment"># render a little menu for the dialog</span>
+<span id="L1117" class="LineNr">1117 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
+<span id="L1118" class="LineNr">1118 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1119" class="LineNr">1119 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1120" class="LineNr">1120 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1121" class="LineNr">1121 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
+<span id="L1122" class="LineNr">1122 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1123" class="LineNr">1123 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; esc &quot;</span>
+<span id="L1124" class="LineNr">1124 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1125" class="LineNr">1125 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; cancel  &quot;</span>
+<span id="L1126" class="LineNr">1126 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1127" class="LineNr">1127 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; enter &quot;</span>
+<span id="L1128" class="LineNr">1128 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1129" class="LineNr">1129 </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="L1130" class="LineNr">1130 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
+<span id="L1131" class="LineNr">1131 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1132" class="LineNr">1132 </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="L1133" class="LineNr">1133 </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="L1134" class="LineNr">1134 </span>  <span class="PreProc">var</span> <a href='word.mu.html#L214'>cursor-index</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L214'>cursor-index</a> <a href='data.mu.html#L30'>word</a>
+<span id="L1135" class="LineNr">1135 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <a href='word.mu.html#L214'>cursor-index</a>
+<span id="L1136" class="LineNr">1136 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
+<span id="L1137" class="LineNr">1137 </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="L1138" class="LineNr">1138 </span>  <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L30'>word</a>
+<span id="L1139" class="LineNr">1139 </span><span class="Delimiter">}</span>
+<span id="L1140" class="LineNr">1140 </span>
+<span id="L1141" class="LineNr">1141 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1141'>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="L1142" class="LineNr">1142 </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="L1143" class="LineNr">1143 </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="L1144" class="LineNr">1144 </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="L1145" class="LineNr">1145 </span>  compare define-function-mode?, <span class="Constant">0</span>
+<span id="L1146" class="LineNr">1146 </span>  <span class="PreProc">break-if-=</span>
+<span id="L1147" class="LineNr">1147 </span>  <span class="muComment"># clear a space for the dialog</span>
+<span id="L1148" class="LineNr">1148 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1149" class="LineNr">1149 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
+<span id="L1150" class="LineNr">1150 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1151" class="LineNr">1151 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
+<span id="L1152" class="LineNr">1152 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1153" class="LineNr">1153 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
+<span id="L1154" class="LineNr">1154 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1155" class="LineNr">1155 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
+<span id="L1156" class="LineNr">1156 </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="L1157" class="LineNr">1157 </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="L1158" class="LineNr">1158 </span>  <span class="muComment"># render a little menu for the dialog</span>
+<span id="L1159" class="LineNr">1159 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
+<span id="L1160" class="LineNr">1160 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1161" class="LineNr">1161 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1162" class="LineNr">1162 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1163" class="LineNr">1163 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
+<span id="L1164" class="LineNr">1164 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1165" class="LineNr">1165 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; esc &quot;</span>
+<span id="L1166" class="LineNr">1166 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1167" class="LineNr">1167 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; cancel  &quot;</span>
+<span id="L1168" class="LineNr">1168 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1169" class="LineNr">1169 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; enter &quot;</span>
+<span id="L1170" class="LineNr">1170 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1171" class="LineNr">1171 </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="L1172" class="LineNr">1172 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
+<span id="L1173" class="LineNr">1173 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1174" class="LineNr">1174 </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="L1175" class="LineNr">1175 </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="L1176" class="LineNr">1176 </span>  <span class="PreProc">var</span> <a href='word.mu.html#L214'>cursor-index</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L214'>cursor-index</a> <a href='data.mu.html#L30'>word</a>
+<span id="L1177" class="LineNr">1177 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <a href='word.mu.html#L214'>cursor-index</a>
+<span id="L1178" class="LineNr">1178 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
+<span id="L1179" class="LineNr">1179 </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="L1180" class="LineNr">1180 </span>  <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='data.mu.html#L30'>word</a>
+<span id="L1181" class="LineNr">1181 </span><span class="Delimiter">}</span>
+<span id="L1182" class="LineNr">1182 </span>
+<span id="L1183" class="LineNr">1183 </span><span class="muComment"># Render just the words in 'line'.</span>
+<span id="L1184" class="LineNr">1184 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1184'>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="L1185" class="LineNr">1185 </span>  <span class="muComment"># curr-word</span>
+<span id="L1186" class="LineNr">1186 </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="L1187" class="LineNr">1187 </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="L1188" class="LineNr">1188 </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="L1189" class="LineNr">1189 </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="L1190" class="LineNr">1190 </span>  <span class="muComment">#</span>
+<span id="L1191" class="LineNr">1191 </span>  <span class="muComment"># loop-carried dependency</span>
+<span id="L1192" class="LineNr">1192 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1193" class="LineNr">1193 </span>  <span class="muComment">#</span>
+<span id="L1194" class="LineNr">1194 </span>  <span class="Delimiter">{</span>
+<span id="L1195" class="LineNr">1195 </span>    compare curr-word, <span class="Constant">0</span>
+<span id="L1196" class="LineNr">1196 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1197" class="LineNr">1197 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word in penultimate lines: &quot;</span>
+<span id="L1198" class="LineNr">1198 </span><span class="CommentedCode">#?     {</span>
+<span id="L1199" class="LineNr">1199 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
+<span id="L1200" class="LineNr">1200 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
+<span id="L1201" class="LineNr">1201 </span><span class="CommentedCode">#?     }</span>
+<span id="L1202" class="LineNr">1202 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L1203" class="LineNr">1203 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
+<span id="L1204" class="LineNr">1204 </span>    <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1205" class="LineNr">1205 </span>    <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, curr-col
+<span id="L1206" class="LineNr">1206 </span>    <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
+<span id="L1207" class="LineNr">1207 </span>    <span class="Delimiter">{</span>
+<span id="L1208" class="LineNr">1208 </span>      <span class="PreProc">var</span> max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L106'>word-length</a> curr-word
+<span id="L1209" class="LineNr">1209 </span>      curr-col <span class="SpecialChar">&lt;-</span> add max-width
+<span id="L1210" class="LineNr">1210 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
+<span id="L1211" class="LineNr">1211 </span>    <span class="Delimiter">}</span>
+<span id="L1212" class="LineNr">1212 </span>    <span class="muComment"># cache cursor column if necessary</span>
+<span id="L1213" class="LineNr">1213 </span>    <span class="Delimiter">{</span>
+<span id="L1214" class="LineNr">1214 </span>      compare curr-word, cursor-word
+<span id="L1215" class="LineNr">1215 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L1216" class="LineNr">1216 </span><span class="CommentedCode">#?       print-string 0, &quot;Cursor at &quot;</span>
+<span id="L1217" class="LineNr">1217 </span><span class="CommentedCode">#?       print-int32-decimal 0, curr-row</span>
+<span id="L1218" class="LineNr">1218 </span><span class="CommentedCode">#?       print-string 0, &quot;, &quot;</span>
+<span id="L1219" class="LineNr">1219 </span><span class="CommentedCode">#?       print-int32-decimal 0, old-col</span>
+<span id="L1220" class="LineNr">1220 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L1221" class="LineNr">1221 </span><span class="CommentedCode">#?       print-string 0, &quot;contents: &quot;</span>
+<span id="L1222" class="LineNr">1222 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
+<span id="L1223" class="LineNr">1223 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L1224" class="LineNr">1224 </span><span class="CommentedCode">#?       {</span>
+<span id="L1225" class="LineNr">1225 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
+<span id="L1226" class="LineNr">1226 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
+<span id="L1227" class="LineNr">1227 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L1228" class="LineNr">1228 </span><span class="CommentedCode">#?       }</span>
+<span id="L1229" class="LineNr">1229 </span>      <span class="PreProc">var</span> dest/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> copy cursor-row-addr
+<span id="L1230" class="LineNr">1230 </span>      <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy curr-row
+<span id="L1231" class="LineNr">1231 </span>      copy-to *dest, src
+<span id="L1232" class="LineNr">1232 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
+<span id="L1233" class="LineNr">1233 </span>      copy-to *dest, old-col
+<span id="L1234" class="LineNr">1234 </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#L214'>cursor-index</a> curr-word
+<span id="L1235" class="LineNr">1235 </span>      add-to *dest, cursor-index-in-word
+<span id="L1236" class="LineNr">1236 </span>    <span class="Delimiter">}</span>
+<span id="L1237" class="LineNr">1237 </span>    <span class="muComment"># loop update</span>
+<span id="L1238" class="LineNr">1238 </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="L1239" class="LineNr">1239 </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="L1240" class="LineNr">1240 </span>    curr-word <span class="SpecialChar">&lt;-</span> copy _curr-word
+<span id="L1241" class="LineNr">1241 </span>    <span class="PreProc">loop</span>
+<span id="L1242" class="LineNr">1242 </span>  <span class="Delimiter">}</span>
+<span id="L1243" class="LineNr">1243 </span><span class="Delimiter">}</span>
+<span id="L1244" class="LineNr">1244 </span>
+<span id="L1245" class="LineNr">1245 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1245'>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="L1246" class="LineNr">1246 </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="L1247" class="LineNr">1247 </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="L1248" class="LineNr">1248 </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#L1253'>call-path-element-length</a> cursor-call-path
+<span id="L1249" class="LineNr">1249 </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="L1250" class="LineNr">1250 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
+<span id="L1251" class="LineNr">1251 </span><span class="Delimiter">}</span>
+<span id="L1252" class="LineNr">1252 </span>
+<span id="L1253" class="LineNr">1253 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1253'>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="L1254" class="LineNr">1254 </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="L1255" class="LineNr">1255 </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="L1256" class="LineNr">1256 </span>  <span class="Delimiter">{</span>
+<span id="L1257" class="LineNr">1257 </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="L1258" class="LineNr">1258 </span>    compare curr, <span class="Constant">0</span>
+<span id="L1259" class="LineNr">1259 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1260" class="LineNr">1260 </span>    curr-ah <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
+<span id="L1261" class="LineNr">1261 </span>    <a href='data.mu.html#L70'>result</a> <span class="SpecialChar">&lt;-</span> increment
+<span id="L1262" class="LineNr">1262 </span>    <span class="PreProc">loop</span>
+<span id="L1263" class="LineNr">1263 </span>  <span class="Delimiter">}</span>
+<span id="L1264" class="LineNr">1264 </span>  <span class="PreProc">return</span> <a href='data.mu.html#L70'>result</a>
+<span id="L1265" class="LineNr">1265 </span><span class="Delimiter">}</span>
+<span id="L1266" class="LineNr">1266 </span>
+<span id="L1267" class="LineNr">1267 </span><span class="muComment"># Render the line of words in line, along with the state of the stack under each word.</span>
+<span id="L1268" class="LineNr">1268 </span><span class="muComment"># Also render any expanded function calls using recursive calls.</span>
+<span id="L1269" class="LineNr">1269 </span><span class="muComment">#</span>
+<span id="L1270" class="LineNr">1270 </span><span class="muComment"># Along the way, compute the column the cursor should be positioned at (cursor-col-addr).</span>
+<span id="L1271" class="LineNr">1271 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1271'>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="L1272" class="LineNr">1272 </span><span class="CommentedCode">#?   print-string 0, &quot;render-line\n&quot;</span>
+<span id="L1273" class="LineNr">1273 </span><span class="CommentedCode">#?   dump-table bindings</span>
+<span id="L1274" class="LineNr">1274 </span>  <span class="muComment"># curr-word</span>
+<span id="L1275" class="LineNr">1275 </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="L1276" class="LineNr">1276 </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="L1277" class="LineNr">1277 </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="L1278" class="LineNr">1278 </span>  <span class="muComment">#</span>
+<span id="L1279" class="LineNr">1279 </span>  <span class="muComment"># loop-carried dependency</span>
+<span id="L1280" class="LineNr">1280 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1281" class="LineNr">1281 </span>  <span class="muComment">#</span>
+<span id="L1282" class="LineNr">1282 </span>  <span class="Delimiter">{</span>
+<span id="L1283" class="LineNr">1283 </span>    compare curr-word, <span class="Constant">0</span>
+<span id="L1284" class="LineNr">1284 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1285" class="LineNr">1285 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word &quot;</span>
+<span id="L1286" class="LineNr">1286 </span><span class="CommentedCode">#?     print-word 0, curr-word</span>
+<span id="L1287" class="LineNr">1287 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L1288" class="LineNr">1288 </span>    <span class="muComment"># if necessary, first render columns for subsidiary stack</span>
+<span id="L1289" class="LineNr">1289 </span>    $render-line:subsidiary: <span class="Delimiter">{</span>
+<span id="L1290" class="LineNr">1290 </span>      <span class="Delimiter">{</span>
+<span id="L1291" class="LineNr">1291 </span><span class="CommentedCode">#?         print-string 0, &quot;check sub\n&quot;</span>
+<span id="L1292" class="LineNr">1292 </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#L303'>find-in-call-paths</a> expanded-words, curr-path
+<span id="L1293" class="LineNr">1293 </span>        compare display-subsidiary-stack?, <span class="Constant">0</span>  <span class="muComment"># false</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><span class="CommentedCode">#?       print-string 0, &quot;render subsidiary stack\n&quot;</span>
+<span id="L1297" class="LineNr">1297 </span>      <span class="muComment"># does function exist?</span>
+<span id="L1298" class="LineNr">1298 </span>      <span class="PreProc">var</span> <a href='environment.mu.html#L1397'>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="L1299" class="LineNr">1299 </span>      <span class="Delimiter">{</span>
+<span id="L1300" class="LineNr">1300 </span>        <span class="PreProc">var</span> callee-h: (handle <a href='data.mu.html#L14'>function</a>)
+<span id="L1301" class="LineNr">1301 </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="L1302" class="LineNr">1302 </span>        <a href='environment.mu.html#L1397'>callee</a> functions, curr-word, callee-ah
+<span id="L1303" class="LineNr">1303 </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="L1304" class="LineNr">1304 </span>        <a href='environment.mu.html#L1397'>callee</a> <span class="SpecialChar">&lt;-</span> copy _callee
+<span id="L1305" class="LineNr">1305 </span>        compare <a href='environment.mu.html#L1397'>callee</a>, <span class="Constant">0</span>
+<span id="L1306" class="LineNr">1306 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
+<span id="L1307" class="LineNr">1307 </span>      <span class="Delimiter">}</span>
+<span id="L1308" class="LineNr">1308 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
+<span id="L1309" class="LineNr">1309 </span>      <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">8</span>, <span class="Constant">7</span>
+<span id="L1310" class="LineNr">1310 </span>      <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
 <span id="L1311" class="LineNr">1311 </span>      <span class="Delimiter">{</span>
-<span id="L1312" class="LineNr">1312 </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="L1313" class="LineNr">1313 </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="L1314" class="LineNr">1314 </span>        compare prev-word, <span class="Constant">0</span>
-<span id="L1315" class="LineNr">1315 </span>        <span class="PreProc">break-if-=</span>
-<span id="L1316" class="LineNr">1316 </span>        <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
-<span id="L1317" class="LineNr">1317 </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="L1318" class="LineNr">1318 </span>        <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
-<span id="L1319" class="LineNr">1319 </span>        <a href='rpn.mu.html#L1'>evaluate</a> functions, bindings2, first-line, prev-word, stack
-<span id="L1320" class="LineNr">1320 </span>      <span class="Delimiter">}</span>
-<span id="L1321" class="LineNr">1321 </span>      <span class="muComment"># construct new bindings</span>
-<span id="L1322" class="LineNr">1322 </span>      <span class="PreProc">var</span> callee-bindings-storage: <a href='data.mu.html#L47'>table</a>
-<span id="L1323" class="LineNr">1323 </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="L1324" class="LineNr">1324 </span>      <a href='table.mu.html#L1'>initialize-table</a> callee-bindings, <span class="Constant">0x10</span>
-<span id="L1325" class="LineNr">1325 </span>      <a href='rpn.mu.html#L828'>bind-args</a> <a href='environment.mu.html#L1387'>callee</a>, stack, callee-bindings
-<span id="L1326" class="LineNr">1326 </span>      <span class="muComment"># obtain body</span>
-<span id="L1327" class="LineNr">1327 </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#L1387'>callee</a>, body
-<span id="L1328" class="LineNr">1328 </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="L1329" class="LineNr">1329 </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="L1330" class="LineNr">1330 </span>      <span class="muComment"># - render subsidiary stack</span>
-<span id="L1331" class="LineNr">1331 </span>      <a href='data.mu.html#L491'>push-to-call-path-element</a> curr-path, callee-body-first-word  <span class="muComment"># leak</span>
-<span id="L1332" class="LineNr">1332 </span><span class="CommentedCode">#?       print-string 0, &quot;subsidiary {\n&quot;</span>
-<span id="L1333" class="LineNr">1333 </span><span class="CommentedCode">#?       dump-table callee-bindings</span>
-<span id="L1334" class="LineNr">1334 </span><span class="CommentedCode">#?       syscall_exit</span>
-<span id="L1335" class="LineNr">1335 </span>      curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1261'>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="L1336" class="LineNr">1336 </span><span class="CommentedCode">#?       print-string 0, &quot;}\n&quot;</span>
-<span id="L1337" class="LineNr">1337 </span>      <a href='data.mu.html#L506'>drop-from-call-path-element</a> curr-path
-<span id="L1338" class="LineNr">1338 </span>      <span class="muComment">#</span>
-<span id="L1339" class="LineNr">1339 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
-<span id="L1340" class="LineNr">1340 </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>
-<span id="L1341" class="LineNr">1341 </span>      <span class="muComment">#</span>
-<span id="L1342" class="LineNr">1342 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1343" class="LineNr">1343 </span>      decrement top-row
-<span id="L1344" class="LineNr">1344 </span>    <span class="Delimiter">}</span>
-<span id="L1345" class="LineNr">1345 </span>    <span class="muComment"># render main column</span>
-<span id="L1346" class="LineNr">1346 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
-<span id="L1347" class="LineNr">1347 </span>    <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
-<span id="L1348" class="LineNr">1348 </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="L1349" class="LineNr">1349 </span><span class="CommentedCode">#?     print-string 0, &quot;deep-copy {\n&quot;</span>
-<span id="L1350" class="LineNr">1350 </span>    <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
-<span id="L1351" class="LineNr">1351 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
-<span id="L1352" class="LineNr">1352 </span><span class="CommentedCode">#?     print-string 0, &quot;render column {\n&quot;</span>
-<span id="L1353" class="LineNr">1353 </span>    curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1399'>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="L1354" class="LineNr">1354 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
-<span id="L1355" class="LineNr">1355 </span>    <span class="muComment"># cache cursor column if necessary</span>
-<span id="L1356" class="LineNr">1356 </span>    $render-line:cache-cursor-column: <span class="Delimiter">{</span>
-<span id="L1357" class="LineNr">1357 </span>      <span class="Delimiter">{</span>
-<span id="L1358" class="LineNr">1358 </span>        <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L324'>call-path-element-match?</a> curr-path, cursor-call-path
-<span id="L1359" class="LineNr">1359 </span>        compare found?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1360" class="LineNr">1360 </span>        <span class="PreProc">break-if-=</span> $render-line:cache-cursor-column
-<span id="L1361" class="LineNr">1361 </span>      <span class="Delimiter">}</span>
-<span id="L1362" class="LineNr">1362 </span>      <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr int) <span class="SpecialChar">&lt;-</span> copy cursor-row-addr
-<span id="L1363" class="LineNr">1363 </span>      <span class="Delimiter">{</span>
-<span id="L1364" class="LineNr">1364 </span>        <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
-<span id="L1365" class="LineNr">1365 </span>        copy-to *dest, src
-<span id="L1366" class="LineNr">1366 </span>      <span class="Delimiter">}</span>
-<span id="L1367" class="LineNr">1367 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
-<span id="L1368" class="LineNr">1368 </span>      copy-to *dest, old-col
-<span id="L1369" class="LineNr">1369 </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#L214'>cursor-index</a> curr-word
-<span id="L1370" class="LineNr">1370 </span>      add-to *dest, cursor-index-in-word
-<span id="L1371" class="LineNr">1371 </span>    <span class="Delimiter">}</span>
-<span id="L1372" class="LineNr">1372 </span>    <span class="muComment"># loop update</span>
-<span id="L1373" class="LineNr">1373 </span><span class="CommentedCode">#?     print-string 0, &quot;next word\n&quot;</span>
-<span id="L1374" class="LineNr">1374 </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="L1375" class="LineNr">1375 </span>    curr-word <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
-<span id="L1376" class="LineNr">1376 </span><span class="CommentedCode">#?     {</span>
-<span id="L1377" class="LineNr">1377 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
-<span id="L1378" class="LineNr">1378 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L1379" class="LineNr">1379 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1380" class="LineNr">1380 </span><span class="CommentedCode">#?     }</span>
-<span id="L1381" class="LineNr">1381 </span>    <a href='data.mu.html#L429'>increment-final-element</a> curr-path
-<span id="L1382" class="LineNr">1382 </span>    <span class="PreProc">loop</span>
-<span id="L1383" class="LineNr">1383 </span>  <span class="Delimiter">}</span>
-<span id="L1384" class="LineNr">1384 </span>  <span class="PreProc">return</span> curr-col
-<span id="L1385" class="LineNr">1385 </span><span class="Delimiter">}</span>
-<span id="L1386" class="LineNr">1386 </span>
-<span id="L1387" class="LineNr">1387 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1387'>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="L1388" class="LineNr">1388 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x10</span>)
-<span id="L1389" class="LineNr">1389 </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="L1390" class="LineNr">1390 </span>  <a href='word.mu.html#L501'>emit-word</a> <a href='data.mu.html#L30'>word</a>, stream
-<span id="L1391" class="LineNr">1391 </span>  <a href='rpn.mu.html#L774'>find-function</a> functions, stream, out
-<span id="L1392" class="LineNr">1392 </span><span class="Delimiter">}</span>
-<span id="L1393" class="LineNr">1393 </span>
-<span id="L1394" class="LineNr">1394 </span><span class="muComment"># Render:</span>
-<span id="L1395" class="LineNr">1395 </span><span class="muComment">#   - starting at top-row, left-col: final-word</span>
-<span id="L1396" class="LineNr">1396 </span><span class="muComment">#   - starting somewhere below at left-col: the stack result from interpreting first-world to final-word (inclusive)</span>
-<span id="L1397" class="LineNr">1397 </span><span class="muComment">#</span>
-<span id="L1398" class="LineNr">1398 </span><span class="muComment"># Return the farthest column written.</span>
-<span id="L1399" class="LineNr">1399 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1399'>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#L129'>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="L1400" class="LineNr">1400 </span><span class="CommentedCode">#?   print-string 0, &quot;render-column\n&quot;</span>
-<span id="L1401" class="LineNr">1401 </span><span class="CommentedCode">#?   dump-table bindings</span>
-<span id="L1402" class="LineNr">1402 </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="L1403" class="LineNr">1403 </span>  <span class="Delimiter">{</span>
-<span id="L1404" class="LineNr">1404 </span>    <span class="muComment"># compute stack</span>
-<span id="L1405" class="LineNr">1405 </span>    <span class="PreProc">var</span> stack: <a href='value-stack.mu.html#L3'>value-stack</a>
-<span id="L1406" class="LineNr">1406 </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="L1407" class="LineNr">1407 </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="L1408" class="LineNr">1408 </span>    <span class="muComment"># copy bindings</span>
-<span id="L1409" class="LineNr">1409 </span>    <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
-<span id="L1410" class="LineNr">1410 </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="L1411" class="LineNr">1411 </span><span class="CommentedCode">#?     print-string 0, &quot;deep copy table {\n&quot;</span>
-<span id="L1412" class="LineNr">1412 </span>    <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
-<span id="L1413" class="LineNr">1413 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
-<span id="L1414" class="LineNr">1414 </span>    <a href='rpn.mu.html#L1'>evaluate</a> functions, bindings2, first-line, <a href='word.mu.html#L129'>final-word</a>, stack-addr
-<span id="L1415" class="LineNr">1415 </span>    <span class="muComment"># indent stack</span>
-<span id="L1416" class="LineNr">1416 </span>    <span class="PreProc">var</span> indented-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1417" class="LineNr">1417 </span>    indented-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
-<span id="L1418" class="LineNr">1418 </span>    <span class="muComment"># render stack</span>
-<span id="L1419" class="LineNr">1419 </span>    <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
-<span id="L1420" class="LineNr">1420 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># stack-margin-top</span>
-<span id="L1421" class="LineNr">1421 </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#L125'>value-stack-max-width</a> stack-addr
-<span id="L1422" class="LineNr">1422 </span>    max-width <span class="SpecialChar">&lt;-</span> copy _max-width
-<span id="L1423" class="LineNr">1423 </span>    <span class="Delimiter">{</span>
-<span id="L1424" class="LineNr">1424 </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="L1425" class="LineNr">1425 </span>      compare *top-addr, <span class="Constant">0</span>
-<span id="L1426" class="LineNr">1426 </span>      <span class="PreProc">break-if-&lt;=</span>
-<span id="L1427" class="LineNr">1427 </span>      decrement *top-addr
-<span id="L1428" class="LineNr">1428 </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="L1429" class="LineNr">1429 </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="L1430" class="LineNr">1430 </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="L1431" class="LineNr">1431 </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="L1432" class="LineNr">1432 </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="L1433" class="LineNr">1433 </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="L1434" class="LineNr">1434 </span>      <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='value.mu.html#L314'>value-height</a> val
-<span id="L1435" class="LineNr">1435 </span>      curr-row <span class="SpecialChar">&lt;-</span> add height
-<span id="L1436" class="LineNr">1436 </span>      <span class="PreProc">loop</span>
-<span id="L1437" class="LineNr">1437 </span>    <span class="Delimiter">}</span>
-<span id="L1438" class="LineNr">1438 </span>  <span class="Delimiter">}</span>
-<span id="L1439" class="LineNr">1439 </span>
-<span id="L1440" class="LineNr">1440 </span>  max-width <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># spaces on either side of items on the stack</span>
-<span id="L1441" class="LineNr">1441 </span>
-<span id="L1442" class="LineNr">1442 </span>  <span class="muComment"># render word, initialize result</span>
-<span id="L1443" class="LineNr">1443 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1444" class="LineNr">1444 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col
-<span id="L1445" class="LineNr">1445 </span>  <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='word.mu.html#L129'>final-word</a>
-<span id="L1446" class="LineNr">1446 </span>  <span class="Delimiter">{</span>
-<span id="L1447" class="LineNr">1447 </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#L106'>word-length</a> <a href='word.mu.html#L129'>final-word</a>
-<span id="L1448" class="LineNr">1448 </span>    compare <a href='../../307size.subx.html#L5'>size</a>, max-width
-<span id="L1449" class="LineNr">1449 </span>    <span class="PreProc">break-if-&lt;=</span>
-<span id="L1450" class="LineNr">1450 </span>    max-width <span class="SpecialChar">&lt;-</span> copy <a href='../../307size.subx.html#L5'>size</a>
-<span id="L1451" class="LineNr">1451 </span>  <span class="Delimiter">}</span>
-<span id="L1452" class="LineNr">1452 </span>
-<span id="L1453" class="LineNr">1453 </span>  <span class="muComment"># post-process right-col</span>
-<span id="L1454" class="LineNr">1454 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1455" class="LineNr">1455 </span>  right-col <span class="SpecialChar">&lt;-</span> add max-width
-<span id="L1456" class="LineNr">1456 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
-<span id="L1457" class="LineNr">1457 </span><span class="CommentedCode">#?   print-int32-decimal 0, left-col</span>
-<span id="L1458" class="LineNr">1458 </span><span class="CommentedCode">#?   print-string 0, &quot; =&gt; &quot;</span>
-<span id="L1459" class="LineNr">1459 </span><span class="CommentedCode">#?   print-int32-decimal 0, right-col</span>
-<span id="L1460" class="LineNr">1460 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
-<span id="L1461" class="LineNr">1461 </span>  <span class="PreProc">return</span> right-col
-<span id="L1462" class="LineNr">1462 </span><span class="Delimiter">}</span>
-<span id="L1463" class="LineNr">1463 </span>
-<span id="L1464" class="LineNr">1464 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1464'>clear-canvas</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
-<span id="L1465" class="LineNr">1465 </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="L1466" class="LineNr">1466 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">edi</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="L1467" class="LineNr">1467 </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
-<span id="L1468" class="LineNr">1468 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
-<span id="L1469" class="LineNr">1469 </span>  <a href='../../405screen.mu.html#L78'>clear-screen</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1470" class="LineNr">1470 </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="L1471" class="LineNr">1471 </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="L1472" class="LineNr">1472 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
-<span id="L1473" class="LineNr">1473 </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="L1474" class="LineNr">1474 </span>  <span class="muComment"># wordstar-style cheatsheet of shortcuts</span>
-<span id="L1475" class="LineNr">1475 </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="L1476" class="LineNr">1476 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1477" class="LineNr">1477 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-q &quot;</span>
-<span id="L1478" class="LineNr">1478 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1479" class="LineNr">1479 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; quit &quot;</span>
-<span id="L1480" class="LineNr">1480 </span>  <span class="PreProc">var</span> menu-start/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy repl-col
-<span id="L1481" class="LineNr">1481 </span>  menu-start <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x48</span>  <span class="muComment"># 72 = half the size of the menu</span>
-<span id="L1482" class="LineNr">1482 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, menu-start
-<span id="L1483" class="LineNr">1483 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1484" class="LineNr">1484 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-a &quot;</span>
-<span id="L1485" class="LineNr">1485 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</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; ⏮   &quot;</span>
-<span id="L1487" class="LineNr">1487 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</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; ctrl-b &quot;</span>
-<span id="L1489" class="LineNr">1489 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</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; ◀ <a href='data.mu.html#L30'>word</a>  &quot;</span>
-<span id="L1491" class="LineNr">1491 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</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; ctrl-f &quot;</span>
-<span id="L1493" class="LineNr">1493 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</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; <a href='data.mu.html#L30'>word</a> ▶  &quot;</span>
-<span id="L1495" class="LineNr">1495 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1496" class="LineNr">1496 </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="L1497" class="LineNr">1497 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</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; ⏭         &quot;</span>
-<span id="L1499" class="LineNr">1499 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</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; ctrl-l &quot;</span>
-<span id="L1501" class="LineNr">1501 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</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; new <a href='data.mu.html#L22'>line</a> &quot;</span>
-<span id="L1503" class="LineNr">1503 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1504" class="LineNr">1504 </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="L1505" class="LineNr">1505 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</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; clear  &quot;</span>
-<span id="L1507" class="LineNr">1507 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</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; ctrl-n &quot;</span>
-<span id="L1509" class="LineNr">1509 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</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; name <a href='data.mu.html#L37'>value</a>  &quot;</span>
-<span id="L1511" class="LineNr">1511 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</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; ctrl-d &quot;</span>
-<span id="L1513" class="LineNr">1513 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1514" class="LineNr">1514 </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="L1515" class="LineNr">1515 </span>  <span class="muComment"># primitives</span>
-<span id="L1516" class="LineNr">1516 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1522'>render-primitives</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, repl-col
-<span id="L1517" class="LineNr">1517 </span>  <span class="muComment"># currently defined functions</span>
-<span id="L1518" class="LineNr">1518 </span>  <a href='environment.mu.html#L1572'>render-functions</a> <a href='../../405screen.mu.html#L9'>screen</a>, repl-col, env
-<span id="L1519" class="LineNr">1519 </span><span class="Delimiter">}</span>
-<span id="L1520" class="LineNr">1520 </span>
-<span id="L1521" class="LineNr">1521 </span><span class="muComment"># return value: top-most row written to</span>
-<span id="L1522" class="LineNr">1522 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1522'>render-primitives</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), bottom-margin-row: int, right-col: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L1523" class="LineNr">1523 </span>  <span class="muComment"># render primitives from the bottom of the screen upward</span>
-<span id="L1524" class="LineNr">1524 </span>  <span class="PreProc">var</span> row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-margin-row
-<span id="L1525" class="LineNr">1525 </span>  row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>
-<span id="L1526" class="LineNr">1526 </span>  <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
-<span id="L1527" class="LineNr">1527 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
-<span id="L1528" class="LineNr">1528 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1545'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;numbers: &quot;</span>, <span class="Constant">&quot;+ - * / sqrt  &quot;</span>
-<span id="L1529" class="LineNr">1529 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1545'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;arrays: &quot;</span>, <span class="Constant">&quot;len  &quot;</span>
-<span id="L1530" class="LineNr">1530 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1545'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;files: &quot;</span>, <span class="Constant">&quot;open <a href='../../111read.subx.html#L48'>read</a> <a href='../../132slurp.subx.html#L8'>slurp</a> lines  &quot;</span>
-<span id="L1531" class="LineNr">1531 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1545'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;misc: &quot;</span>, <span class="Constant">&quot;dup swap  &quot;</span>  <span class="muComment"># hack: keep these at the right of the bottom row</span>
-<span id="L1532" class="LineNr">1532 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1545'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;screens: &quot;</span>, <span class="Constant">&quot;fake-screen print move up down left right  &quot;</span>
-<span id="L1533" class="LineNr">1533 </span>  <span class="muComment"># finally print heading up top</span>
-<span id="L1534" class="LineNr">1534 </span>  row <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1535" class="LineNr">1535 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, <span class="Constant">1</span>
-<span id="L1536" class="LineNr">1536 </span>  <a href='../../405screen.mu.html#L537'>start-bold</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1537" class="LineNr">1537 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;primitives:&quot;</span>
-<span id="L1538" class="LineNr">1538 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1539" class="LineNr">1539 </span>  <span class="PreProc">return</span> row
-<span id="L1540" class="LineNr">1540 </span><span class="Delimiter">}</span>
-<span id="L1541" class="LineNr">1541 </span>
-<span id="L1542" class="LineNr">1542 </span><span class="muComment"># start at row, col and print the given strings</span>
-<span id="L1543" class="LineNr">1543 </span><span class="muComment"># move up one row if there isn't enough room before right-col</span>
-<span id="L1544" class="LineNr">1544 </span><span class="muComment"># return row, col printed until</span>
-<span id="L1545" class="LineNr">1545 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1545'>render-primitive-group</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _row: int, _col: int, right-col: int, _heading: (addr array byte), _contents: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int, _/<span class="Constant">edx</span>: int <span class="Delimiter">{</span>
-<span id="L1546" class="LineNr">1546 </span>  <span class="PreProc">var</span> row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy _row
-<span id="L1547" class="LineNr">1547 </span>  <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy _col
-<span id="L1548" class="LineNr">1548 </span>  <span class="muComment"># decrement row if necessary</span>
-<span id="L1549" class="LineNr">1549 </span>  <span class="PreProc">var</span> new-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy col
-<span id="L1550" class="LineNr">1550 </span>  <span class="PreProc">var</span> heading/<span class="Constant">esi</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> copy _heading
-<span id="L1551" class="LineNr">1551 </span>  <span class="PreProc">var</span> len1/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> length heading
-<span id="L1552" class="LineNr">1552 </span>  new-col <span class="SpecialChar">&lt;-</span> add len1
-<span id="L1553" class="LineNr">1553 </span>  <span class="PreProc">var</span> contents/<span class="Constant">edi</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> copy _contents
-<span id="L1554" class="LineNr">1554 </span>  <span class="PreProc">var</span> len2/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> length contents
-<span id="L1555" class="LineNr">1555 </span>  new-col <span class="SpecialChar">&lt;-</span> add len2
-<span id="L1556" class="LineNr">1556 </span>  <span class="PreProc">var</span> bound/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
-<span id="L1557" class="LineNr">1557 </span>  bound <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1558" class="LineNr">1558 </span>  <span class="Delimiter">{</span>
-<span id="L1559" class="LineNr">1559 </span>    compare new-col, bound
-<span id="L1560" class="LineNr">1560 </span>    <span class="PreProc">break-if-&lt;=</span>
-<span id="L1561" class="LineNr">1561 </span>    row <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1562" class="LineNr">1562 </span>    col <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
-<span id="L1563" class="LineNr">1563 </span>  <span class="Delimiter">}</span>
-<span id="L1564" class="LineNr">1564 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
-<span id="L1565" class="LineNr">1565 </span>  <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0xf6</span>, <span class="Constant">7</span>
-<span id="L1566" class="LineNr">1566 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, heading
-<span id="L1567" class="LineNr">1567 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1568" class="LineNr">1568 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, contents
-<span id="L1569" class="LineNr">1569 </span>  <span class="PreProc">return</span> row, new-col
-<span id="L1570" class="LineNr">1570 </span><span class="Delimiter">}</span>
-<span id="L1571" class="LineNr">1571 </span>
-<span id="L1572" class="LineNr">1572 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1572'>render-functions</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), right-col: int, _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
-<span id="L1573" class="LineNr">1573 </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="L1574" class="LineNr">1574 </span>  <span class="PreProc">var</span> dummy-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
-<span id="L1575" class="LineNr">1575 </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="L1576" class="LineNr">1576 </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="L1577" class="LineNr">1577 </span>  <span class="Delimiter">{</span>
-<span id="L1578" class="LineNr">1578 </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="L1579" class="LineNr">1579 </span>    compare curr, <span class="Constant">0</span>
-<span id="L1580" class="LineNr">1580 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1581" class="LineNr">1581 </span>    row, dummy-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1590'>render-function-right-aligned</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, right-col, curr
-<span id="L1582" class="LineNr">1582 </span>    functions <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
-<span id="L1583" class="LineNr">1583 </span>    row <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># inter-function-margin</span>
-<span id="L1584" class="LineNr">1584 </span>    <span class="PreProc">loop</span>
-<span id="L1585" class="LineNr">1585 </span>  <span class="Delimiter">}</span>
-<span id="L1586" class="LineNr">1586 </span><span class="Delimiter">}</span>
-<span id="L1587" class="LineNr">1587 </span>
-<span id="L1588" class="LineNr">1588 </span><span class="muComment"># print function starting at row, right-aligned before right-col</span>
-<span id="L1589" class="LineNr">1589 </span><span class="muComment"># return row, col printed until</span>
-<span id="L1590" class="LineNr">1590 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1590'>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="L1591" class="LineNr">1591 </span>  <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
-<span id="L1592" class="LineNr">1592 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-right-margin</span>
-<span id="L1593" class="LineNr">1593 </span>  <span class="PreProc">var</span> col2/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy col
-<span id="L1594" class="LineNr">1594 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L559'>function-width</a> f
-<span id="L1595" class="LineNr">1595 </span>  col <span class="SpecialChar">&lt;-</span> subtract width
-<span id="L1596" class="LineNr">1596 </span>  <span class="PreProc">var</span> new-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy row
-<span id="L1597" class="LineNr">1597 </span>  <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L597'>function-height</a> f
-<span id="L1598" class="LineNr">1598 </span>  new-row <span class="SpecialChar">&lt;-</span> add height
-<span id="L1599" class="LineNr">1599 </span>  new-row <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1600" class="LineNr">1600 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-left-padding</span>
-<span id="L1601" class="LineNr">1601 </span>  <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0xf7</span>
-<span id="L1602" class="LineNr">1602 </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="L1603" class="LineNr">1603 </span>  col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>
-<span id="L1604" class="LineNr">1604 </span><span class="CommentedCode">#?   var dummy/eax: grapheme &lt;- read-key-from-real-keyboard</span>
-<span id="L1605" class="LineNr">1605 </span>  <a href='environment.mu.html#L1615'>render-function</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, f
-<span id="L1606" class="LineNr">1606 </span>  new-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># function-bottom-margin</span>
-<span id="L1607" class="LineNr">1607 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-left-padding</span>
-<span id="L1608" class="LineNr">1608 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-left-margin</span>
-<span id="L1609" class="LineNr">1609 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1610" class="LineNr">1610 </span>  <span class="PreProc">return</span> new-row, col
-<span id="L1611" class="LineNr">1611 </span><span class="Delimiter">}</span>
-<span id="L1612" class="LineNr">1612 </span>
-<span id="L1613" class="LineNr">1613 </span><span class="muComment"># render function starting at row, col</span>
-<span id="L1614" class="LineNr">1614 </span><span class="muComment"># only single-line functions supported for now</span>
-<span id="L1615" class="LineNr">1615 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1615'>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="L1616" class="LineNr">1616 </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="L1617" class="LineNr">1617 </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="L1618" class="LineNr">1618 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
-<span id="L1619" class="LineNr">1619 </span>  <a href='word.mu.html#L273'>print-words-in-reverse</a> <a href='../../405screen.mu.html#L9'>screen</a>, args
-<span id="L1620" class="LineNr">1620 </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="L1621" class="LineNr">1621 </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="L1622" class="LineNr">1622 </span>  <a href='../../405screen.mu.html#L537'>start-bold</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1623" class="LineNr">1623 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, name
-<span id="L1624" class="LineNr">1624 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1625" class="LineNr">1625 </span>  <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0xf7</span>
-<span id="L1626" class="LineNr">1626 </span>  increment row
-<span id="L1627" class="LineNr">1627 </span>  add-to col, <span class="Constant">2</span>
+<span id="L1312" class="LineNr">1312 </span>        <span class="PreProc">var</span> word-len/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='word.mu.html#L106'>word-length</a> curr-word
+<span id="L1313" class="LineNr">1313 </span>        curr-col <span class="SpecialChar">&lt;-</span> add word-len
+<span id="L1314" class="LineNr">1314 </span>        curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1315" class="LineNr">1315 </span>        increment top-row
+<span id="L1316" class="LineNr">1316 </span>      <span class="Delimiter">}</span>
+<span id="L1317" class="LineNr">1317 </span>      <span class="muComment"># obtain stack at call site</span>
+<span id="L1318" class="LineNr">1318 </span>      <span class="PreProc">var</span> stack-storage: <a href='value-stack.mu.html#L3'>value-stack</a>
+<span id="L1319" class="LineNr">1319 </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="L1320" class="LineNr">1320 </span>      <a href='value-stack.mu.html#L8'>initialize-value-stack</a> stack, <span class="Constant">0x10</span>
+<span id="L1321" class="LineNr">1321 </span>      <span class="Delimiter">{</span>
+<span id="L1322" class="LineNr">1322 </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="L1323" class="LineNr">1323 </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="L1324" class="LineNr">1324 </span>        compare prev-word, <span class="Constant">0</span>
+<span id="L1325" class="LineNr">1325 </span>        <span class="PreProc">break-if-=</span>
+<span id="L1326" class="LineNr">1326 </span>        <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1327" class="LineNr">1327 </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="L1328" class="LineNr">1328 </span>        <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
+<span id="L1329" class="LineNr">1329 </span>        <a href='rpn.mu.html#L1'>evaluate</a> functions, bindings2, first-line, prev-word, stack
+<span id="L1330" class="LineNr">1330 </span>      <span class="Delimiter">}</span>
+<span id="L1331" class="LineNr">1331 </span>      <span class="muComment"># construct new bindings</span>
+<span id="L1332" class="LineNr">1332 </span>      <span class="PreProc">var</span> callee-bindings-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1333" class="LineNr">1333 </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="L1334" class="LineNr">1334 </span>      <a href='table.mu.html#L1'>initialize-table</a> callee-bindings, <span class="Constant">0x10</span>
+<span id="L1335" class="LineNr">1335 </span>      <a href='rpn.mu.html#L828'>bind-args</a> <a href='environment.mu.html#L1397'>callee</a>, stack, callee-bindings
+<span id="L1336" class="LineNr">1336 </span>      <span class="muComment"># obtain body</span>
+<span id="L1337" class="LineNr">1337 </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#L1397'>callee</a>, body
+<span id="L1338" class="LineNr">1338 </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="L1339" class="LineNr">1339 </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="L1340" class="LineNr">1340 </span>      <span class="muComment"># - render subsidiary stack</span>
+<span id="L1341" class="LineNr">1341 </span>      <a href='data.mu.html#L491'>push-to-call-path-element</a> curr-path, callee-body-first-word  <span class="muComment"># leak</span>
+<span id="L1342" class="LineNr">1342 </span><span class="CommentedCode">#?       print-string 0, &quot;subsidiary {\n&quot;</span>
+<span id="L1343" class="LineNr">1343 </span><span class="CommentedCode">#?       dump-table callee-bindings</span>
+<span id="L1344" class="LineNr">1344 </span><span class="CommentedCode">#?       syscall_exit</span>
+<span id="L1345" class="LineNr">1345 </span>      curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1271'>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="L1346" class="LineNr">1346 </span><span class="CommentedCode">#?       print-string 0, &quot;}\n&quot;</span>
+<span id="L1347" class="LineNr">1347 </span>      <a href='data.mu.html#L506'>drop-from-call-path-element</a> curr-path
+<span id="L1348" class="LineNr">1348 </span>      <span class="muComment">#</span>
+<span id="L1349" class="LineNr">1349 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
+<span id="L1350" class="LineNr">1350 </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>
+<span id="L1351" class="LineNr">1351 </span>      <span class="muComment">#</span>
+<span id="L1352" class="LineNr">1352 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1353" class="LineNr">1353 </span>      decrement top-row
+<span id="L1354" class="LineNr">1354 </span>    <span class="Delimiter">}</span>
+<span id="L1355" class="LineNr">1355 </span>    <span class="muComment"># render main column</span>
+<span id="L1356" class="LineNr">1356 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
+<span id="L1357" class="LineNr">1357 </span>    <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1358" class="LineNr">1358 </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="L1359" class="LineNr">1359 </span><span class="CommentedCode">#?     print-string 0, &quot;deep-copy {\n&quot;</span>
+<span id="L1360" class="LineNr">1360 </span>    <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
+<span id="L1361" class="LineNr">1361 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
+<span id="L1362" class="LineNr">1362 </span><span class="CommentedCode">#?     print-string 0, &quot;render column {\n&quot;</span>
+<span id="L1363" class="LineNr">1363 </span>    curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1409'>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="L1364" class="LineNr">1364 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
+<span id="L1365" class="LineNr">1365 </span>    <span class="muComment"># cache cursor column if necessary</span>
+<span id="L1366" class="LineNr">1366 </span>    $render-line:cache-cursor-column: <span class="Delimiter">{</span>
+<span id="L1367" class="LineNr">1367 </span>      <span class="Delimiter">{</span>
+<span id="L1368" class="LineNr">1368 </span>        <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L324'>call-path-element-match?</a> curr-path, cursor-call-path
+<span id="L1369" class="LineNr">1369 </span>        compare found?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L1370" class="LineNr">1370 </span>        <span class="PreProc">break-if-=</span> $render-line:cache-cursor-column
+<span id="L1371" class="LineNr">1371 </span>      <span class="Delimiter">}</span>
+<span id="L1372" class="LineNr">1372 </span>      <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr int) <span class="SpecialChar">&lt;-</span> copy cursor-row-addr
+<span id="L1373" class="LineNr">1373 </span>      <span class="Delimiter">{</span>
+<span id="L1374" class="LineNr">1374 </span>        <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
+<span id="L1375" class="LineNr">1375 </span>        copy-to *dest, src
+<span id="L1376" class="LineNr">1376 </span>      <span class="Delimiter">}</span>
+<span id="L1377" class="LineNr">1377 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
+<span id="L1378" class="LineNr">1378 </span>      copy-to *dest, old-col
+<span id="L1379" class="LineNr">1379 </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#L214'>cursor-index</a> curr-word
+<span id="L1380" class="LineNr">1380 </span>      add-to *dest, cursor-index-in-word
+<span id="L1381" class="LineNr">1381 </span>    <span class="Delimiter">}</span>
+<span id="L1382" class="LineNr">1382 </span>    <span class="muComment"># loop update</span>
+<span id="L1383" class="LineNr">1383 </span><span class="CommentedCode">#?     print-string 0, &quot;next word\n&quot;</span>
+<span id="L1384" class="LineNr">1384 </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="L1385" class="LineNr">1385 </span>    curr-word <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L1386" class="LineNr">1386 </span><span class="CommentedCode">#?     {</span>
+<span id="L1387" class="LineNr">1387 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
+<span id="L1388" class="LineNr">1388 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
+<span id="L1389" class="LineNr">1389 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L1390" class="LineNr">1390 </span><span class="CommentedCode">#?     }</span>
+<span id="L1391" class="LineNr">1391 </span>    <a href='data.mu.html#L429'>increment-final-element</a> curr-path
+<span id="L1392" class="LineNr">1392 </span>    <span class="PreProc">loop</span>
+<span id="L1393" class="LineNr">1393 </span>  <span class="Delimiter">}</span>
+<span id="L1394" class="LineNr">1394 </span>  <span class="PreProc">return</span> curr-col
+<span id="L1395" class="LineNr">1395 </span><span class="Delimiter">}</span>
+<span id="L1396" class="LineNr">1396 </span>
+<span id="L1397" class="LineNr">1397 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1397'>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="L1398" class="LineNr">1398 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x10</span>)
+<span id="L1399" class="LineNr">1399 </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="L1400" class="LineNr">1400 </span>  <a href='word.mu.html#L501'>emit-word</a> <a href='data.mu.html#L30'>word</a>, stream
+<span id="L1401" class="LineNr">1401 </span>  <a href='rpn.mu.html#L774'>find-function</a> functions, stream, out
+<span id="L1402" class="LineNr">1402 </span><span class="Delimiter">}</span>
+<span id="L1403" class="LineNr">1403 </span>
+<span id="L1404" class="LineNr">1404 </span><span class="muComment"># Render:</span>
+<span id="L1405" class="LineNr">1405 </span><span class="muComment">#   - starting at top-row, left-col: final-word</span>
+<span id="L1406" class="LineNr">1406 </span><span class="muComment">#   - starting somewhere below at left-col: the stack result from interpreting first-world to final-word (inclusive)</span>
+<span id="L1407" class="LineNr">1407 </span><span class="muComment">#</span>
+<span id="L1408" class="LineNr">1408 </span><span class="muComment"># Return the farthest column written.</span>
+<span id="L1409" class="LineNr">1409 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1409'>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#L129'>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="L1410" class="LineNr">1410 </span><span class="CommentedCode">#?   print-string 0, &quot;render-column\n&quot;</span>
+<span id="L1411" class="LineNr">1411 </span><span class="CommentedCode">#?   dump-table bindings</span>
+<span id="L1412" class="LineNr">1412 </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="L1413" class="LineNr">1413 </span>  <span class="Delimiter">{</span>
+<span id="L1414" class="LineNr">1414 </span>    <span class="muComment"># compute stack</span>
+<span id="L1415" class="LineNr">1415 </span>    <span class="PreProc">var</span> stack: <a href='value-stack.mu.html#L3'>value-stack</a>
+<span id="L1416" class="LineNr">1416 </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="L1417" class="LineNr">1417 </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="L1418" class="LineNr">1418 </span>    <span class="muComment"># copy bindings</span>
+<span id="L1419" class="LineNr">1419 </span>    <span class="PreProc">var</span> bindings2-storage: <a href='data.mu.html#L47'>table</a>
+<span id="L1420" class="LineNr">1420 </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="L1421" class="LineNr">1421 </span><span class="CommentedCode">#?     print-string 0, &quot;deep copy table {\n&quot;</span>
+<span id="L1422" class="LineNr">1422 </span>    <a href='table.mu.html#L7'>deep-copy-table</a> bindings, bindings2
+<span id="L1423" class="LineNr">1423 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
+<span id="L1424" class="LineNr">1424 </span>    <a href='rpn.mu.html#L1'>evaluate</a> functions, bindings2, first-line, <a href='word.mu.html#L129'>final-word</a>, stack-addr
+<span id="L1425" class="LineNr">1425 </span>    <span class="muComment"># indent stack</span>
+<span id="L1426" class="LineNr">1426 </span>    <span class="PreProc">var</span> indented-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1427" class="LineNr">1427 </span>    indented-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
+<span id="L1428" class="LineNr">1428 </span>    <span class="muComment"># render stack</span>
+<span id="L1429" class="LineNr">1429 </span>    <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
+<span id="L1430" class="LineNr">1430 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># stack-margin-top</span>
+<span id="L1431" class="LineNr">1431 </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#L125'>value-stack-max-width</a> stack-addr
+<span id="L1432" class="LineNr">1432 </span>    max-width <span class="SpecialChar">&lt;-</span> copy _max-width
+<span id="L1433" class="LineNr">1433 </span>    <span class="Delimiter">{</span>
+<span id="L1434" class="LineNr">1434 </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="L1435" class="LineNr">1435 </span>      compare *top-addr, <span class="Constant">0</span>
+<span id="L1436" class="LineNr">1436 </span>      <span class="PreProc">break-if-&lt;=</span>
+<span id="L1437" class="LineNr">1437 </span>      decrement *top-addr
+<span id="L1438" class="LineNr">1438 </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="L1439" class="LineNr">1439 </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="L1440" class="LineNr">1440 </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="L1441" class="LineNr">1441 </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="L1442" class="LineNr">1442 </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="L1443" class="LineNr">1443 </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="L1444" class="LineNr">1444 </span>      <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='value.mu.html#L314'>value-height</a> val
+<span id="L1445" class="LineNr">1445 </span>      curr-row <span class="SpecialChar">&lt;-</span> add height
+<span id="L1446" class="LineNr">1446 </span>      <span class="PreProc">loop</span>
+<span id="L1447" class="LineNr">1447 </span>    <span class="Delimiter">}</span>
+<span id="L1448" class="LineNr">1448 </span>  <span class="Delimiter">}</span>
+<span id="L1449" class="LineNr">1449 </span>
+<span id="L1450" class="LineNr">1450 </span>  max-width <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># spaces on either side of items on the stack</span>
+<span id="L1451" class="LineNr">1451 </span>
+<span id="L1452" class="LineNr">1452 </span>  <span class="muComment"># render word, initialize result</span>
+<span id="L1453" class="LineNr">1453 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1454" class="LineNr">1454 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col
+<span id="L1455" class="LineNr">1455 </span>  <a href='word.mu.html#L253'>print-word</a> <a href='../../405screen.mu.html#L9'>screen</a>, <a href='word.mu.html#L129'>final-word</a>
+<span id="L1456" class="LineNr">1456 </span>  <span class="Delimiter">{</span>
+<span id="L1457" class="LineNr">1457 </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#L106'>word-length</a> <a href='word.mu.html#L129'>final-word</a>
+<span id="L1458" class="LineNr">1458 </span>    compare <a href='../../307size.subx.html#L5'>size</a>, max-width
+<span id="L1459" class="LineNr">1459 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L1460" class="LineNr">1460 </span>    max-width <span class="SpecialChar">&lt;-</span> copy <a href='../../307size.subx.html#L5'>size</a>
+<span id="L1461" class="LineNr">1461 </span>  <span class="Delimiter">}</span>
+<span id="L1462" class="LineNr">1462 </span>
+<span id="L1463" class="LineNr">1463 </span>  <span class="muComment"># post-process right-col</span>
+<span id="L1464" class="LineNr">1464 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1465" class="LineNr">1465 </span>  right-col <span class="SpecialChar">&lt;-</span> add max-width
+<span id="L1466" class="LineNr">1466 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
+<span id="L1467" class="LineNr">1467 </span><span class="CommentedCode">#?   print-int32-decimal 0, left-col</span>
+<span id="L1468" class="LineNr">1468 </span><span class="CommentedCode">#?   print-string 0, &quot; =&gt; &quot;</span>
+<span id="L1469" class="LineNr">1469 </span><span class="CommentedCode">#?   print-int32-decimal 0, right-col</span>
+<span id="L1470" class="LineNr">1470 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
+<span id="L1471" class="LineNr">1471 </span>  <span class="PreProc">return</span> right-col
+<span id="L1472" class="LineNr">1472 </span><span class="Delimiter">}</span>
+<span id="L1473" class="LineNr">1473 </span>
+<span id="L1474" class="LineNr">1474 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1474'>clear-canvas</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
+<span id="L1475" class="LineNr">1475 </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="L1476" class="LineNr">1476 </span>  <span class="PreProc">var</span> screen-ah/<span class="Constant">edi</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="L1477" class="LineNr">1477 </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
+<span id="L1478" class="LineNr">1478 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">edi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> copy _screen
+<span id="L1479" class="LineNr">1479 </span>  <a href='../../405screen.mu.html#L78'>clear-screen</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1480" class="LineNr">1480 </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="L1481" class="LineNr">1481 </span>  <span class="PreProc">var</span> _sep-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="L1482" class="LineNr">1482 </span>  <span class="PreProc">var</span> sep-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_sep-col
+<span id="L1483" class="LineNr">1483 </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, sep-col
+<span id="L1484" class="LineNr">1484 </span>  <span class="muComment"># wordstar-style cheatsheet of shortcuts</span>
+<span id="L1485" class="LineNr">1485 </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="L1486" class="LineNr">1486 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1487" class="LineNr">1487 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-q &quot;</span>
+<span id="L1488" class="LineNr">1488 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1489" class="LineNr">1489 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; quit &quot;</span>
+<span id="L1490" class="LineNr">1490 </span>  <span class="PreProc">var</span> menu-start/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy sep-col
+<span id="L1491" class="LineNr">1491 </span>  menu-start <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x48</span>  <span class="muComment"># 72 = half the size of the menu</span>
+<span id="L1492" class="LineNr">1492 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, menu-start
+<span id="L1493" class="LineNr">1493 </span>  <a href='../../405screen.mu.html#L565'>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-a &quot;</span>
+<span id="L1495" class="LineNr">1495 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1496" class="LineNr">1496 </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="L1497" class="LineNr">1497 </span>  <a href='../../405screen.mu.html#L565'>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-b &quot;</span>
+<span id="L1499" class="LineNr">1499 </span>  <a href='../../405screen.mu.html#L502'>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; ◀ <a href='data.mu.html#L30'>word</a>  &quot;</span>
+<span id="L1501" class="LineNr">1501 </span>  <a href='../../405screen.mu.html#L565'>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-f &quot;</span>
+<span id="L1503" class="LineNr">1503 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1504" class="LineNr">1504 </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="L1505" class="LineNr">1505 </span>  <a href='../../405screen.mu.html#L565'>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-e &quot;</span>
+<span id="L1507" class="LineNr">1507 </span>  <a href='../../405screen.mu.html#L502'>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; ⏭         &quot;</span>
+<span id="L1509" class="LineNr">1509 </span>  <a href='../../405screen.mu.html#L565'>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-l &quot;</span>
+<span id="L1511" class="LineNr">1511 </span>  <a href='../../405screen.mu.html#L502'>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; new <a href='data.mu.html#L22'>line</a> &quot;</span>
+<span id="L1513" class="LineNr">1513 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1514" class="LineNr">1514 </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="L1515" class="LineNr">1515 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1516" class="LineNr">1516 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; clear  &quot;</span>
+<span id="L1517" class="LineNr">1517 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1518" class="LineNr">1518 </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="L1519" class="LineNr">1519 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1520" class="LineNr">1520 </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="L1521" class="LineNr">1521 </span>  <a href='../../405screen.mu.html#L565'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1522" class="LineNr">1522 </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="L1523" class="LineNr">1523 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1524" class="LineNr">1524 </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="L1525" class="LineNr">1525 </span>  <span class="muComment"># primitives</span>
+<span id="L1526" class="LineNr">1526 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1532'>render-primitives</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, sep-col
+<span id="L1527" class="LineNr">1527 </span>  <span class="muComment"># currently defined functions</span>
+<span id="L1528" class="LineNr">1528 </span>  <a href='environment.mu.html#L1582'>render-functions</a> <a href='../../405screen.mu.html#L9'>screen</a>, sep-col, env
+<span id="L1529" class="LineNr">1529 </span><span class="Delimiter">}</span>
+<span id="L1530" class="LineNr">1530 </span>
+<span id="L1531" class="LineNr">1531 </span><span class="muComment"># return value: top-most row written to</span>
+<span id="L1532" class="LineNr">1532 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1532'>render-primitives</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), bottom-margin-row: int, right-col: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L1533" class="LineNr">1533 </span>  <span class="muComment"># render primitives from the bottom of the screen upward</span>
+<span id="L1534" class="LineNr">1534 </span>  <span class="PreProc">var</span> row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-margin-row
+<span id="L1535" class="LineNr">1535 </span>  row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>
+<span id="L1536" class="LineNr">1536 </span>  <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
+<span id="L1537" class="LineNr">1537 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
+<span id="L1538" class="LineNr">1538 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1555'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;numbers: &quot;</span>, <span class="Constant">&quot;+ - * / sqrt  &quot;</span>
+<span id="L1539" class="LineNr">1539 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1555'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;arrays: &quot;</span>, <span class="Constant">&quot;len  &quot;</span>
+<span id="L1540" class="LineNr">1540 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1555'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;files: &quot;</span>, <span class="Constant">&quot;open <a href='../../111read.subx.html#L48'>read</a> <a href='../../132slurp.subx.html#L8'>slurp</a> lines  &quot;</span>
+<span id="L1541" class="LineNr">1541 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1555'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;misc: &quot;</span>, <span class="Constant">&quot;dup swap  &quot;</span>  <span class="muComment"># hack: keep these at the right of the bottom row</span>
+<span id="L1542" class="LineNr">1542 </span>  row, col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1555'>render-primitive-group</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, right-col, <span class="Constant">&quot;screens: &quot;</span>, <span class="Constant">&quot;fake-screen print move up down left right  &quot;</span>
+<span id="L1543" class="LineNr">1543 </span>  <span class="muComment"># finally print heading up top</span>
+<span id="L1544" class="LineNr">1544 </span>  row <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1545" class="LineNr">1545 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, <span class="Constant">1</span>
+<span id="L1546" class="LineNr">1546 </span>  <a href='../../405screen.mu.html#L537'>start-bold</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1547" class="LineNr">1547 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;primitives:&quot;</span>
+<span id="L1548" class="LineNr">1548 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1549" class="LineNr">1549 </span>  <span class="PreProc">return</span> row
+<span id="L1550" class="LineNr">1550 </span><span class="Delimiter">}</span>
+<span id="L1551" class="LineNr">1551 </span>
+<span id="L1552" class="LineNr">1552 </span><span class="muComment"># start at row, col and print the given strings</span>
+<span id="L1553" class="LineNr">1553 </span><span class="muComment"># move up one row if there isn't enough room before right-col</span>
+<span id="L1554" class="LineNr">1554 </span><span class="muComment"># return row, col printed until</span>
+<span id="L1555" class="LineNr">1555 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1555'>render-primitive-group</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _row: int, _col: int, right-col: int, _heading: (addr array byte), _contents: (addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int, _/<span class="Constant">edx</span>: int <span class="Delimiter">{</span>
+<span id="L1556" class="LineNr">1556 </span>  <span class="PreProc">var</span> row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy _row
+<span id="L1557" class="LineNr">1557 </span>  <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy _col
+<span id="L1558" class="LineNr">1558 </span>  <span class="muComment"># decrement row if necessary</span>
+<span id="L1559" class="LineNr">1559 </span>  <span class="PreProc">var</span> new-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy col
+<span id="L1560" class="LineNr">1560 </span>  <span class="PreProc">var</span> heading/<span class="Constant">esi</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> copy _heading
+<span id="L1561" class="LineNr">1561 </span>  <span class="PreProc">var</span> len1/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> length heading
+<span id="L1562" class="LineNr">1562 </span>  new-col <span class="SpecialChar">&lt;-</span> add len1
+<span id="L1563" class="LineNr">1563 </span>  <span class="PreProc">var</span> contents/<span class="Constant">edi</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> copy _contents
+<span id="L1564" class="LineNr">1564 </span>  <span class="PreProc">var</span> len2/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> length contents
+<span id="L1565" class="LineNr">1565 </span>  new-col <span class="SpecialChar">&lt;-</span> add len2
+<span id="L1566" class="LineNr">1566 </span>  <span class="PreProc">var</span> bound/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
+<span id="L1567" class="LineNr">1567 </span>  bound <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1568" class="LineNr">1568 </span>  <span class="Delimiter">{</span>
+<span id="L1569" class="LineNr">1569 </span>    compare new-col, bound
+<span id="L1570" class="LineNr">1570 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L1571" class="LineNr">1571 </span>    row <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1572" class="LineNr">1572 </span>    col <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>
+<span id="L1573" class="LineNr">1573 </span>  <span class="Delimiter">}</span>
+<span id="L1574" class="LineNr">1574 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
+<span id="L1575" class="LineNr">1575 </span>  <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0xf6</span>, <span class="Constant">7</span>
+<span id="L1576" class="LineNr">1576 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, heading
+<span id="L1577" class="LineNr">1577 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1578" class="LineNr">1578 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, contents
+<span id="L1579" class="LineNr">1579 </span>  <span class="PreProc">return</span> row, new-col
+<span id="L1580" class="LineNr">1580 </span><span class="Delimiter">}</span>
+<span id="L1581" class="LineNr">1581 </span>
+<span id="L1582" class="LineNr">1582 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1582'>render-functions</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), right-col: int, _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
+<span id="L1583" class="LineNr">1583 </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="L1584" class="LineNr">1584 </span>  <span class="PreProc">var</span> dummy-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
+<span id="L1585" class="LineNr">1585 </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="L1586" class="LineNr">1586 </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="L1587" class="LineNr">1587 </span>  <span class="Delimiter">{</span>
+<span id="L1588" class="LineNr">1588 </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="L1589" class="LineNr">1589 </span>    compare curr, <span class="Constant">0</span>
+<span id="L1590" class="LineNr">1590 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1591" class="LineNr">1591 </span>    row, dummy-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1600'>render-function-right-aligned</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, right-col, curr
+<span id="L1592" class="LineNr">1592 </span>    functions <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
+<span id="L1593" class="LineNr">1593 </span>    row <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># inter-function-margin</span>
+<span id="L1594" class="LineNr">1594 </span>    <span class="PreProc">loop</span>
+<span id="L1595" class="LineNr">1595 </span>  <span class="Delimiter">}</span>
+<span id="L1596" class="LineNr">1596 </span><span class="Delimiter">}</span>
+<span id="L1597" class="LineNr">1597 </span>
+<span id="L1598" class="LineNr">1598 </span><span class="muComment"># print function starting at row, right-aligned before right-col</span>
+<span id="L1599" class="LineNr">1599 </span><span class="muComment"># return row, col printed until</span>
+<span id="L1600" class="LineNr">1600 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1600'>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="L1601" class="LineNr">1601 </span>  <span class="PreProc">var</span> col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy right-col
+<span id="L1602" class="LineNr">1602 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-right-margin</span>
+<span id="L1603" class="LineNr">1603 </span>  <span class="PreProc">var</span> col2/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy col
+<span id="L1604" class="LineNr">1604 </span>  <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L559'>function-width</a> f
+<span id="L1605" class="LineNr">1605 </span>  col <span class="SpecialChar">&lt;-</span> subtract width
+<span id="L1606" class="LineNr">1606 </span>  <span class="PreProc">var</span> new-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy row
+<span id="L1607" class="LineNr">1607 </span>  <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='data.mu.html#L597'>function-height</a> f
+<span id="L1608" class="LineNr">1608 </span>  new-row <span class="SpecialChar">&lt;-</span> add height
+<span id="L1609" class="LineNr">1609 </span>  new-row <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1610" class="LineNr">1610 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-left-padding</span>
+<span id="L1611" class="LineNr">1611 </span>  <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0xf7</span>
+<span id="L1612" class="LineNr">1612 </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="L1613" class="LineNr">1613 </span>  col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>
+<span id="L1614" class="LineNr">1614 </span><span class="CommentedCode">#?   var dummy/eax: grapheme &lt;- read-key-from-real-keyboard</span>
+<span id="L1615" class="LineNr">1615 </span>  <a href='environment.mu.html#L1625'>render-function</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col, f
+<span id="L1616" class="LineNr">1616 </span>  new-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># function-bottom-margin</span>
+<span id="L1617" class="LineNr">1617 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-left-padding</span>
+<span id="L1618" class="LineNr">1618 </span>  col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">1</span>  <span class="muComment"># function-left-margin</span>
+<span id="L1619" class="LineNr">1619 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1620" class="LineNr">1620 </span>  <span class="PreProc">return</span> new-row, col
+<span id="L1621" class="LineNr">1621 </span><span class="Delimiter">}</span>
+<span id="L1622" class="LineNr">1622 </span>
+<span id="L1623" class="LineNr">1623 </span><span class="muComment"># render function starting at row, col</span>
+<span id="L1624" class="LineNr">1624 </span><span class="muComment"># only single-line functions supported for now</span>
+<span id="L1625" class="LineNr">1625 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1625'>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="L1626" class="LineNr">1626 </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="L1627" class="LineNr">1627 </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="L1628" class="LineNr">1628 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
-<span id="L1629" class="LineNr">1629 </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="L1630" class="LineNr">1630 </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="L1631" class="LineNr">1631 </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="L1632" class="LineNr">1632 </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="L1633" class="LineNr">1633 </span>  <a href='word.mu.html#L260'>print-words</a> <a href='../../405screen.mu.html#L9'>screen</a>, body-words-ah
-<span id="L1634" class="LineNr">1634 </span><span class="Delimiter">}</span>
-<span id="L1635" class="LineNr">1635 </span>
-<span id="L1636" class="LineNr">1636 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1636'>real-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L1637" class="LineNr">1637 </span>  <span class="muComment"># if g == newline return true</span>
-<span id="L1638" class="LineNr">1638 </span>  compare g, <span class="Constant">0xa</span>
-<span id="L1639" class="LineNr">1639 </span>  <span class="Delimiter">{</span>
-<span id="L1640" class="LineNr">1640 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1641" class="LineNr">1641 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1642" class="LineNr">1642 </span>  <span class="Delimiter">}</span>
-<span id="L1643" class="LineNr">1643 </span>  <span class="muComment"># if g == tab return true</span>
-<span id="L1644" class="LineNr">1644 </span>  compare g, <span class="Constant">9</span>
-<span id="L1645" class="LineNr">1645 </span>  <span class="Delimiter">{</span>
-<span id="L1646" class="LineNr">1646 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1647" class="LineNr">1647 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1648" class="LineNr">1648 </span>  <span class="Delimiter">}</span>
-<span id="L1649" class="LineNr">1649 </span>  <span class="muComment"># if g &lt; 32 return false</span>
-<span id="L1650" class="LineNr">1650 </span>  compare g, <span class="Constant">0x20</span>
-<span id="L1651" class="LineNr">1651 </span>  <span class="Delimiter">{</span>
-<span id="L1652" class="LineNr">1652 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L1653" class="LineNr">1653 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1654" class="LineNr">1654 </span>  <span class="Delimiter">}</span>
-<span id="L1655" class="LineNr">1655 </span>  <span class="muComment"># if g &lt;= 255 return true</span>
-<span id="L1656" class="LineNr">1656 </span>  compare g, <span class="Constant">0xff</span>
-<span id="L1657" class="LineNr">1657 </span>  <span class="Delimiter">{</span>
-<span id="L1658" class="LineNr">1658 </span>    <span class="PreProc">break-if-&gt;</span>
-<span id="L1659" class="LineNr">1659 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1660" class="LineNr">1660 </span>  <span class="Delimiter">}</span>
-<span id="L1661" class="LineNr">1661 </span>  <span class="muComment"># if (g&amp;0xff == Esc) it's an escape sequence</span>
-<span id="L1662" class="LineNr">1662 </span>  and-with g, <span class="Constant">0xff</span>
-<span id="L1663" class="LineNr">1663 </span>  compare g, <span class="Constant">0x1b</span>  <span class="muComment"># Esc</span>
-<span id="L1664" class="LineNr">1664 </span>  <span class="Delimiter">{</span>
-<span id="L1665" class="LineNr">1665 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1666" class="LineNr">1666 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1667" class="LineNr">1667 </span>  <span class="Delimiter">}</span>
-<span id="L1668" class="LineNr">1668 </span>  <span class="muComment"># otherwise return true</span>
-<span id="L1669" class="LineNr">1669 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1670" class="LineNr">1670 </span><span class="Delimiter">}</span>
+<span id="L1629" class="LineNr">1629 </span>  <a href='word.mu.html#L273'>print-words-in-reverse</a> <a href='../../405screen.mu.html#L9'>screen</a>, args
+<span id="L1630" class="LineNr">1630 </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="L1631" class="LineNr">1631 </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="L1632" class="LineNr">1632 </span>  <a href='../../405screen.mu.html#L537'>start-bold</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1633" class="LineNr">1633 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, name
+<span id="L1634" class="LineNr">1634 </span>  <a href='../../405screen.mu.html#L502'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1635" class="LineNr">1635 </span>  <a href='../../405screen.mu.html#L519'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0xf7</span>
+<span id="L1636" class="LineNr">1636 </span>  increment row
+<span id="L1637" class="LineNr">1637 </span>  add-to col, <span class="Constant">2</span>
+<span id="L1638" class="LineNr">1638 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
+<span id="L1639" class="LineNr">1639 </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="L1640" class="LineNr">1640 </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="L1641" class="LineNr">1641 </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="L1642" class="LineNr">1642 </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="L1643" class="LineNr">1643 </span>  <a href='word.mu.html#L260'>print-words</a> <a href='../../405screen.mu.html#L9'>screen</a>, body-words-ah
+<span id="L1644" class="LineNr">1644 </span><span class="Delimiter">}</span>
+<span id="L1645" class="LineNr">1645 </span>
+<span id="L1646" class="LineNr">1646 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1646'>real-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1647" class="LineNr">1647 </span>  <span class="muComment"># if g == newline return true</span>
+<span id="L1648" class="LineNr">1648 </span>  compare g, <span class="Constant">0xa</span>
+<span id="L1649" class="LineNr">1649 </span>  <span class="Delimiter">{</span>
+<span id="L1650" class="LineNr">1650 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1651" class="LineNr">1651 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1652" class="LineNr">1652 </span>  <span class="Delimiter">}</span>
+<span id="L1653" class="LineNr">1653 </span>  <span class="muComment"># if g == tab return true</span>
+<span id="L1654" class="LineNr">1654 </span>  compare g, <span class="Constant">9</span>
+<span id="L1655" class="LineNr">1655 </span>  <span class="Delimiter">{</span>
+<span id="L1656" class="LineNr">1656 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1657" class="LineNr">1657 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1658" class="LineNr">1658 </span>  <span class="Delimiter">}</span>
+<span id="L1659" class="LineNr">1659 </span>  <span class="muComment"># if g &lt; 32 return false</span>
+<span id="L1660" class="LineNr">1660 </span>  compare g, <span class="Constant">0x20</span>
+<span id="L1661" class="LineNr">1661 </span>  <span class="Delimiter">{</span>
+<span id="L1662" class="LineNr">1662 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L1663" class="LineNr">1663 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L1664" class="LineNr">1664 </span>  <span class="Delimiter">}</span>
+<span id="L1665" class="LineNr">1665 </span>  <span class="muComment"># if g &lt;= 255 return true</span>
+<span id="L1666" class="LineNr">1666 </span>  compare g, <span class="Constant">0xff</span>
+<span id="L1667" class="LineNr">1667 </span>  <span class="Delimiter">{</span>
+<span id="L1668" class="LineNr">1668 </span>    <span class="PreProc">break-if-&gt;</span>
+<span id="L1669" class="LineNr">1669 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1670" class="LineNr">1670 </span>  <span class="Delimiter">}</span>
+<span id="L1671" class="LineNr">1671 </span>  <span class="muComment"># if (g&amp;0xff == Esc) it's an escape sequence</span>
+<span id="L1672" class="LineNr">1672 </span>  and-with g, <span class="Constant">0xff</span>
+<span id="L1673" class="LineNr">1673 </span>  compare g, <span class="Constant">0x1b</span>  <span class="muComment"># Esc</span>
+<span id="L1674" class="LineNr">1674 </span>  <span class="Delimiter">{</span>
+<span id="L1675" class="LineNr">1675 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1676" class="LineNr">1676 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L1677" class="LineNr">1677 </span>  <span class="Delimiter">}</span>
+<span id="L1678" class="LineNr">1678 </span>  <span class="muComment"># otherwise return true</span>
+<span id="L1679" class="LineNr">1679 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1680" class="LineNr">1680 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/apps/tile/main.mu.html b/html/apps/tile/main.mu.html
index fb2a6ff4..e1a6f9a9 100644
--- a/html/apps/tile/main.mu.html
+++ b/html/apps/tile/main.mu.html
@@ -110,14 +110,14 @@ if ('onhashchange' in window) {
 <span id="L51" class="LineNr"> 51 </span>  <a href='../../305keyboard.subx.html#L6'>enable-keyboard-immediate-mode</a>
 <span id="L52" class="LineNr"> 52 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L1'>environment</a>
 <span id="L53" class="LineNr"> 53 </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> address env-storage
-<span id="L54" class="LineNr"> 54 </span>  <a href='environment.mu.html#L10'>initialize-environment</a> env
-<span id="L55" class="LineNr"> 55 </span>  <a href='environment.mu.html#L37'>draw-screen</a> env
+<span id="L54" class="LineNr"> 54 </span>  <a href='environment.mu.html#L11'>initialize-environment</a> env
+<span id="L55" class="LineNr"> 55 </span>  <a href='environment.mu.html#L41'>draw-screen</a> env
 <span id="L56" class="LineNr"> 56 </span>  <span class="Delimiter">{</span>
 <span id="L57" class="LineNr"> 57 </span>    <span class="PreProc">var</span> key/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='../../305keyboard.subx.html#L132'>read-key-from-real-keyboard</a>
 <span id="L58" class="LineNr"> 58 </span>    compare key, <span class="Constant">0x11</span>  <span class="muComment"># 'ctrl-q'</span>
 <span id="L59" class="LineNr"> 59 </span>    <span class="PreProc">break-if-=</span>
-<span id="L60" class="LineNr"> 60 </span>    <a href='environment.mu.html#L62'>process</a> env, key
-<span id="L61" class="LineNr"> 61 </span>    <a href='environment.mu.html#L967'>render</a> env
+<span id="L60" class="LineNr"> 60 </span>    <a href='environment.mu.html#L66'>process</a> env, key
+<span id="L61" class="LineNr"> 61 </span>    <a href='environment.mu.html#L977'>render</a> env
 <span id="L62" class="LineNr"> 62 </span>    <span class="PreProc">loop</span>
 <span id="L63" class="LineNr"> 63 </span>  <span class="Delimiter">}</span>
 <span id="L64" class="LineNr"> 64 </span>  <a href='../../305keyboard.subx.html#L72'>enable-keyboard-type-mode</a>
@@ -127,18 +127,18 @@ if ('onhashchange' in window) {
 <span id="L68" class="LineNr"> 68 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L68'>test</a></span> <span class="Delimiter">{</span>
 <span id="L69" class="LineNr"> 69 </span>  <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L1'>environment</a>
 <span id="L70" class="LineNr"> 70 </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> address env-storage
-<span id="L71" class="LineNr"> 71 </span>  <a href='environment.mu.html#L49'>initialize-environment-with-fake-screen</a> env, <span class="Constant">0x20</span>, <span class="Constant">0xa0</span>
+<span id="L71" class="LineNr"> 71 </span>  <a href='environment.mu.html#L53'>initialize-environment-with-fake-screen</a> env, <span class="Constant">0x20</span>, <span class="Constant">0xa0</span>
 <span id="L72" class="LineNr"> 72 </span>  <a href='main.mu.html#L85'>process-all</a> env, <span class="Constant">&quot;3 3 fake-screen =s&quot;</span>
-<span id="L73" class="LineNr"> 73 </span>  <a href='environment.mu.html#L62'>process</a> env, <span class="Constant">0xc</span>  <span class="muComment"># ctrl-l</span>
+<span id="L73" class="LineNr"> 73 </span>  <a href='environment.mu.html#L66'>process</a> env, <span class="Constant">0xc</span>  <span class="muComment"># ctrl-l</span>
 <span id="L74" class="LineNr"> 74 </span>  <a href='main.mu.html#L85'>process-all</a> env, <span class="Constant">&quot;s 1 down 1 right&quot;</span>
-<span id="L75" class="LineNr"> 75 </span>  <a href='environment.mu.html#L62'>process</a> env, <span class="Constant">4</span>  <span class="muComment"># ctrl-d: start defining function</span>
+<span id="L75" class="LineNr"> 75 </span>  <a href='environment.mu.html#L66'>process</a> env, <span class="Constant">4</span>  <span class="muComment"># ctrl-d: start defining function</span>
 <span id="L76" class="LineNr"> 76 </span>  <a href='main.mu.html#L85'>process-all</a> env, <span class="Constant">&quot;foo&quot;</span>
-<span id="L77" class="LineNr"> 77 </span>  <a href='environment.mu.html#L62'>process</a> env, <span class="Constant">0xa</span>  <span class="muComment"># newline: define function</span>
-<span id="L78" class="LineNr"> 78 </span>  <a href='environment.mu.html#L62'>process</a> env, <span class="Constant">0x435b1b</span>  <span class="muComment"># right-arrow</span>
+<span id="L77" class="LineNr"> 77 </span>  <a href='environment.mu.html#L66'>process</a> env, <span class="Constant">0xa</span>  <span class="muComment"># newline: define function</span>
+<span id="L78" class="LineNr"> 78 </span>  <a href='environment.mu.html#L66'>process</a> env, <span class="Constant">0x435b1b</span>  <span class="muComment"># right-arrow</span>
 <span id="L79" class="LineNr"> 79 </span><span class="CommentedCode">#?   process env, 5  # ctrl-e: end of line</span>
 <span id="L80" class="LineNr"> 80 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>, <span class="Constant">&quot;==\n&quot;</span>
-<span id="L81" class="LineNr"> 81 </span>  <a href='environment.mu.html#L62'>process</a> env, <span class="Constant">0xa</span>  <span class="muComment"># newline: expand</span>
-<span id="L82" class="LineNr"> 82 </span>  <a href='environment.mu.html#L967'>render</a> env
+<span id="L81" class="LineNr"> 81 </span>  <a href='environment.mu.html#L66'>process</a> env, <span class="Constant">0xa</span>  <span class="muComment"># newline: expand</span>
+<span id="L82" class="LineNr"> 82 </span>  <a href='environment.mu.html#L977'>render</a> env
 <span id="L83" class="LineNr"> 83 </span><span class="Delimiter">}</span>
 <span id="L84" class="LineNr"> 84 </span>
 <span id="L85" class="LineNr"> 85 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='main.mu.html#L85'>process-all</a></span> env: (addr <a href='environment.mu.html#L1'>environment</a>), cmds: (addr array byte) <span class="Delimiter">{</span>
@@ -150,7 +150,7 @@ if ('onhashchange' in window) {
 <span id="L91" class="LineNr"> 91 </span>    compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L92" class="LineNr"> 92 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L93" class="LineNr"> 93 </span>    <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='../../403unicode.mu.html#L158'>read-grapheme</a> cmds-stream-a
-<span id="L94" class="LineNr"> 94 </span>    <a href='environment.mu.html#L62'>process</a> env, g
+<span id="L94" class="LineNr"> 94 </span>    <a href='environment.mu.html#L66'>process</a> env, g
 <span id="L95" class="LineNr"> 95 </span>    <span class="PreProc">loop</span>
 <span id="L96" class="LineNr"> 96 </span>  <span class="Delimiter">}</span>
 <span id="L97" class="LineNr"> 97 </span><span class="Delimiter">}</span>
@@ -170,20 +170,20 @@ if ('onhashchange' in window) {
 <span id="L111" class="LineNr">111 </span>    <span class="muComment"># parse</span>
 <span id="L112" class="LineNr">112 </span>    <span class="PreProc">var</span> env-storage: <a href='environment.mu.html#L1'>environment</a>
 <span id="L113" class="LineNr">113 </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> address env-storage
-<span id="L114" class="LineNr">114 </span>    <a href='environment.mu.html#L10'>initialize-environment</a> env
+<span id="L114" class="LineNr">114 </span>    <a href='environment.mu.html#L11'>initialize-environment</a> env
 <span id="L115" class="LineNr">115 </span>    <span class="Delimiter">{</span>
 <span id="L116" class="LineNr">116 </span>      <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> <a href='data.mu.html#L22'>line</a>
 <span id="L117" class="LineNr">117 </span>      compare done?, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L118" class="LineNr">118 </span>      <span class="PreProc">break-if-!=</span>
 <span id="L119" class="LineNr">119 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='../../403unicode.mu.html#L158'>read-grapheme</a> <a href='data.mu.html#L22'>line</a>
-<span id="L120" class="LineNr">120 </span>      <a href='environment.mu.html#L62'>process</a> env, g
+<span id="L120" class="LineNr">120 </span>      <a href='environment.mu.html#L66'>process</a> env, g
 <span id="L121" class="LineNr">121 </span>      <span class="PreProc">loop</span>
 <span id="L122" class="LineNr">122 </span>    <span class="Delimiter">}</span>
 <span id="L123" class="LineNr">123 </span>    <span class="muComment"># eval</span>
 <span id="L124" class="LineNr">124 </span>    <span class="PreProc">var</span> stack-storage: <a href='value-stack.mu.html#L3'>value-stack</a>
 <span id="L125" class="LineNr">125 </span>    <span class="PreProc">var</span> stack/<span class="Constant">edi</span>: (addr <a href='value-stack.mu.html#L3'>value-stack</a>) <span class="SpecialChar">&lt;-</span> address stack-storage
 <span id="L126" class="LineNr">126 </span>    <a href='value-stack.mu.html#L8'>initialize-value-stack</a> stack, <span class="Constant">0x10</span>
-<span id="L127" class="LineNr">127 </span>    <a href='environment.mu.html#L954'>evaluate-environment</a> env, stack
+<span id="L127" class="LineNr">127 </span>    <a href='environment.mu.html#L964'>evaluate-environment</a> env, stack
 <span id="L128" class="LineNr">128 </span>    <span class="muComment"># print</span>
 <span id="L129" class="LineNr">129 </span>    <span class="PreProc">var</span> empty?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='value-stack.mu.html#L108'>value-stack-empty?</a> stack
 <span id="L130" class="LineNr">130 </span>    <span class="Delimiter">{</span>
diff --git a/html/apps/tile/rpn.mu.html b/html/apps/tile/rpn.mu.html
index afb4d47f..60f7625e 100644
--- a/html/apps/tile/rpn.mu.html
+++ b/html/apps/tile/rpn.mu.html
@@ -699,10 +699,10 @@ if ('onhashchange' in window) {
 <span id="L639" class="LineNr">639 </span>        <span class="PreProc">var</span> callee-h: (handle <a href='data.mu.html#L14'>function</a>)
 <span id="L640" class="LineNr">640 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">eax</span>: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> address callee-h
 <span id="L641" class="LineNr">641 </span>        <a href='rpn.mu.html#L774'>find-function</a> functions, curr-stream, callee-ah
-<span id="L642" class="LineNr">642 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1387'>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="L643" class="LineNr">643 </span>        compare <a href='environment.mu.html#L1387'>callee</a>, <span class="Constant">0</span>
+<span id="L642" class="LineNr">642 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1397'>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="L643" class="LineNr">643 </span>        compare <a href='environment.mu.html#L1397'>callee</a>, <span class="Constant">0</span>
 <span id="L644" class="LineNr">644 </span>        <span class="PreProc">break-if-=</span>
-<span id="L645" class="LineNr">645 </span>        <a href='rpn.mu.html#L795'>perform-call</a> <a href='environment.mu.html#L1387'>callee</a>, out, functions
+<span id="L645" class="LineNr">645 </span>        <a href='rpn.mu.html#L795'>perform-call</a> <a href='environment.mu.html#L1397'>callee</a>, out, functions
 <span id="L646" class="LineNr">646 </span>        <span class="PreProc">break</span> $evaluate:process-word
 <span id="L647" class="LineNr">647 </span>      <span class="Delimiter">}</span>
 <span id="L648" class="LineNr">648 </span>      <span class="muComment">### if it's a name, push its value</span>
@@ -853,14 +853,14 @@ if ('onhashchange' in window) {
 <span id="L793" class="LineNr">793 </span><span class="Delimiter">}</span>
 <span id="L794" class="LineNr">794 </span>
 <span id="L795" class="LineNr">795 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L795'>perform-call</a></span> _callee: (addr <a href='data.mu.html#L14'>function</a>), caller-stack: (addr <a href='value-stack.mu.html#L3'>value-stack</a>), functions: (addr handle <a href='data.mu.html#L14'>function</a>) <span class="Delimiter">{</span>
-<span id="L796" class="LineNr">796 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1387'>callee</a>/<span class="Constant">ecx</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _callee
+<span id="L796" class="LineNr">796 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1397'>callee</a>/<span class="Constant">ecx</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _callee
 <span id="L797" class="LineNr">797 </span>  <span class="muComment"># create bindings for args</span>
 <span id="L798" class="LineNr">798 </span>  <span class="PreProc">var</span> table-storage: <a href='data.mu.html#L47'>table</a>
 <span id="L799" class="LineNr">799 </span>  <span class="PreProc">var</span> <a href='data.mu.html#L47'>table</a>/<span class="Constant">esi</span>: (addr <a href='data.mu.html#L47'>table</a>) <span class="SpecialChar">&lt;-</span> address table-storage
 <span id="L800" class="LineNr">800 </span>  <a href='table.mu.html#L1'>initialize-table</a> <a href='data.mu.html#L47'>table</a>, <span class="Constant">0x10</span>
-<span id="L801" class="LineNr">801 </span>  <a href='rpn.mu.html#L828'>bind-args</a> <a href='environment.mu.html#L1387'>callee</a>, caller-stack, <a href='data.mu.html#L47'>table</a>
+<span id="L801" class="LineNr">801 </span>  <a href='rpn.mu.html#L828'>bind-args</a> <a href='environment.mu.html#L1397'>callee</a>, caller-stack, <a href='data.mu.html#L47'>table</a>
 <span id="L802" class="LineNr">802 </span>  <span class="muComment"># obtain body</span>
-<span id="L803" class="LineNr">803 </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> <a href='environment.mu.html#L1387'>callee</a>, body
+<span id="L803" class="LineNr">803 </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> <a href='environment.mu.html#L1397'>callee</a>, body
 <span id="L804" class="LineNr">804 </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="L805" class="LineNr">805 </span>  <span class="muComment"># perform call</span>
 <span id="L806" class="LineNr">806 </span>  <span class="PreProc">var</span> stack-storage: <a href='value-stack.mu.html#L3'>value-stack</a>
@@ -886,8 +886,8 @@ if ('onhashchange' in window) {
 <span id="L826" class="LineNr">826 </span><span class="muComment"># pop args from the caller-stack and bind them to successive args</span>
 <span id="L827" class="LineNr">827 </span><span class="muComment"># implies: function args are stored in reverse order</span>
 <span id="L828" class="LineNr">828 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L828'>bind-args</a></span> _callee: (addr <a href='data.mu.html#L14'>function</a>), _caller-stack: (addr <a href='value-stack.mu.html#L3'>value-stack</a>), <a href='data.mu.html#L47'>table</a>: (addr <a href='data.mu.html#L47'>table</a>) <span class="Delimiter">{</span>
-<span id="L829" class="LineNr">829 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1387'>callee</a>/<span class="Constant">ecx</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _callee
-<span id="L830" class="LineNr">830 </span>  <span class="PreProc">var</span> curr-arg-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='environment.mu.html#L1387'>callee</a>, args
+<span id="L829" class="LineNr">829 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1397'>callee</a>/<span class="Constant">ecx</span>: (addr <a href='data.mu.html#L14'>function</a>) <span class="SpecialChar">&lt;-</span> copy _callee
+<span id="L830" class="LineNr">830 </span>  <span class="PreProc">var</span> curr-arg-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='environment.mu.html#L1397'>callee</a>, args
 <span id="L831" class="LineNr">831 </span>  <span class="PreProc">var</span> curr-arg/<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-arg-ah
 <span id="L832" class="LineNr">832 </span>  <span class="muComment">#</span>
 <span id="L833" class="LineNr">833 </span>  <span class="PreProc">var</span> curr-key-storage: (handle array byte)