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Diffstat (limited to 'html/apps/tile/environment.mu.html')
-rw-r--r--html/apps/tile/environment.mu.html2716
1 files changed, 1325 insertions, 1391 deletions
diff --git a/html/apps/tile/environment.mu.html b/html/apps/tile/environment.mu.html
index e11ef11a..a2080d59 100644
--- a/html/apps/tile/environment.mu.html
+++ b/html/apps/tile/environment.mu.html
@@ -101,7 +101,7 @@ if ('onhashchange' in window) {
 <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#L1536'>clear-canvas</a> env
+<span id="L44" class="LineNr">  44 </span>  <a href='environment.mu.html#L1466'>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>
@@ -131,7 +131,7 @@ if ('onhashchange' in window) {
 <span id="L71" class="LineNr">  71 </span>  <span class="Delimiter">{</span>
 <span id="L72" class="LineNr">  72 </span>    <span class="PreProc">break-if-=</span>
 <span id="L73" class="LineNr">  73 </span><span class="CommentedCode">#?     print-string 0, &quot;processing sandbox rename\n&quot;</span>
-<span id="L74" class="LineNr">  74 </span>    <a href='environment.mu.html#L510'>process-sandbox-rename</a> sandbox, key
+<span id="L74" class="LineNr">  74 </span>    <a href='environment.mu.html#L517'>process-sandbox-rename</a> sandbox, key
 <span id="L75" class="LineNr">  75 </span>    <span class="PreProc">break</span> $process:body
 <span id="L76" class="LineNr">  76 </span>  <span class="Delimiter">}</span>
 <span id="L77" class="LineNr">  77 </span>  <span class="PreProc">var</span> define-function-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
@@ -141,7 +141,7 @@ if ('onhashchange' in window) {
 <span id="L81" class="LineNr">  81 </span>    <span class="PreProc">break-if-=</span>
 <span id="L82" class="LineNr">  82 </span><span class="CommentedCode">#?     print-string 0, &quot;processing function definition\n&quot;</span>
 <span id="L83" class="LineNr">  83 </span>    <span class="PreProc">var</span> functions/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
-<span id="L84" class="LineNr">  84 </span>    <a href='environment.mu.html#L631'>process-sandbox-define</a> sandbox, functions, key
+<span id="L84" class="LineNr">  84 </span>    <a href='environment.mu.html#L638'>process-sandbox-define</a> sandbox, functions, key
 <span id="L85" class="LineNr">  85 </span>    <span class="PreProc">break</span> $process:body
 <span id="L86" class="LineNr">  86 </span>  <span class="Delimiter">}</span>
 <span id="L87" class="LineNr">  87 </span><span class="CommentedCode">#?   print-string 0, &quot;processing sandbox\n&quot;</span>
@@ -307,9 +307,9 @@ if ('onhashchange' in window) {
 <span id="L247" class="LineNr"> 247 </span>        <span class="PreProc">var</span> callee-h: (handle function)
 <span id="L248" class="LineNr"> 248 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address callee-h
 <span id="L249" class="LineNr"> 249 </span>        <span class="PreProc">var</span> functions/<span class="Constant">ebx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, functions
-<span id="L250" class="LineNr"> 250 </span>        <a href='environment.mu.html#L1342'>callee</a> functions, <a href='../../127next-word.subx.html#L10'>next-word</a>, callee-ah
-<span id="L251" class="LineNr"> 251 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1342'>callee</a>/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
-<span id="L252" class="LineNr"> 252 </span>        <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1342'>callee</a>, body
+<span id="L250" class="LineNr"> 250 </span>        <a href='environment.mu.html#L1389'>callee</a> functions, <a href='../../127next-word.subx.html#L10'>next-word</a>, callee-ah
+<span id="L251" class="LineNr"> 251 </span>        <span class="PreProc">var</span> <a href='environment.mu.html#L1389'>callee</a>/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
+<span id="L252" class="LineNr"> 252 </span>        <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1389'>callee</a>, body
 <span id="L253" class="LineNr"> 253 </span>        <span class="PreProc">var</span> callee-body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-body-ah
 <span id="L254" class="LineNr"> 254 </span>        <span class="PreProc">var</span> callee-body-first-word/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> callee-body, data
 <span id="L255" class="LineNr"> 255 </span>        push-to-call-path-element cursor-call-path, callee-body-first-word
@@ -329,1404 +329,1338 @@ if ('onhashchange' in window) {
 <span id="L269" class="LineNr"> 269 </span>  <span class="Delimiter">{</span>
 <span id="L270" class="LineNr"> 270 </span>    <span class="PreProc">break-if-!=</span>
 <span id="L271" class="LineNr"> 271 </span>    <span class="muComment"># toggle display of subsidiary stack</span>
-<span id="L272" class="LineNr"> 272 </span>    <a href='environment.mu.html#L856'>toggle-cursor-word</a> sandbox
+<span id="L272" class="LineNr"> 272 </span>    <a href='environment.mu.html#L896'>toggle-cursor-word</a> sandbox
 <span id="L273" class="LineNr"> 273 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L274" class="LineNr"> 274 </span>  <span class="Delimiter">}</span>
-<span id="L275" class="LineNr"> 275 </span>  <span class="muComment"># word-based motions</span>
-<span id="L276" class="LineNr"> 276 </span>  compare key, <span class="Constant">2</span>  <span class="muComment"># ctrl-b</span>
-<span id="L277" class="LineNr"> 277 </span>  $process-sandbox:prev-word: <span class="Delimiter">{</span>
-<span id="L278" class="LineNr"> 278 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L279" class="LineNr"> 279 </span>    <span class="muComment"># jump to previous word at same level</span>
-<span id="L280" class="LineNr"> 280 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L281" class="LineNr"> 281 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
-<span id="L282" class="LineNr"> 282 </span>    <span class="Delimiter">{</span>
-<span id="L283" class="LineNr"> 283 </span>      compare prev-word, <span class="Constant">0</span>
-<span id="L284" class="LineNr"> 284 </span>      <span class="PreProc">break-if-=</span>
-<span id="L285" class="LineNr"> 285 </span>      cursor-to-end prev-word
-<span id="L286" class="LineNr"> 286 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L287" class="LineNr"> 287 </span>      decrement-final-element cursor-call-path
-<span id="L288" class="LineNr"> 288 </span>      <span class="PreProc">break</span> $process-sandbox:body
-<span id="L289" class="LineNr"> 289 </span>    <span class="Delimiter">}</span>
-<span id="L290" class="LineNr"> 290 </span>    <span class="muComment"># if previous word doesn't exist, try to bump up one level</span>
-<span id="L291" class="LineNr"> 291 </span>    <span class="Delimiter">{</span>
-<span id="L292" class="LineNr"> 292 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L293" class="LineNr"> 293 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L294" class="LineNr"> 294 </span>      <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L295" class="LineNr"> 295 </span>      <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
-<span id="L296" class="LineNr"> 296 </span>      compare caller-cursor-element, <span class="Constant">0</span>
-<span id="L297" class="LineNr"> 297 </span>      <span class="PreProc">break-if-=</span>
-<span id="L298" class="LineNr"> 298 </span>      <span class="muComment"># check if previous word exists in caller</span>
-<span id="L299" class="LineNr"> 299 </span>      <span class="PreProc">var</span> caller-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-cursor-element, word
-<span id="L300" class="LineNr"> 300 </span>      <span class="PreProc">var</span> caller-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-word-ah
-<span id="L301" class="LineNr"> 301 </span>      <span class="PreProc">var</span> word-before-caller-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-word, prev
-<span id="L302" class="LineNr"> 302 </span>      <span class="PreProc">var</span> word-before-caller/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-before-caller-ah
-<span id="L303" class="LineNr"> 303 </span>      compare word-before-caller, <span class="Constant">0</span>
+<span id="L275" class="LineNr"> 275 </span>  compare key, <span class="Constant">0xc</span>  <span class="muComment"># ctrl-l</span>
+<span id="L276" class="LineNr"> 276 </span>  $process-sandbox:new-line: <span class="Delimiter">{</span>
+<span id="L277" class="LineNr"> 277 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L278" class="LineNr"> 278 </span>    <span class="muComment"># new line in sandbox</span>
+<span id="L279" class="LineNr"> 279 </span>    <a href='environment.mu.html#L924'>append-line</a> sandbox
+<span id="L280" class="LineNr"> 280 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L281" class="LineNr"> 281 </span>  <span class="Delimiter">}</span>
+<span id="L282" class="LineNr"> 282 </span>  <span class="muComment"># word-based motions</span>
+<span id="L283" class="LineNr"> 283 </span>  compare key, <span class="Constant">2</span>  <span class="muComment"># ctrl-b</span>
+<span id="L284" class="LineNr"> 284 </span>  $process-sandbox:prev-word: <span class="Delimiter">{</span>
+<span id="L285" class="LineNr"> 285 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L286" class="LineNr"> 286 </span>    <span class="muComment"># jump to previous word at same level</span>
+<span id="L287" class="LineNr"> 287 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L288" class="LineNr"> 288 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L289" class="LineNr"> 289 </span>    <span class="Delimiter">{</span>
+<span id="L290" class="LineNr"> 290 </span>      compare prev-word, <span class="Constant">0</span>
+<span id="L291" class="LineNr"> 291 </span>      <span class="PreProc">break-if-=</span>
+<span id="L292" class="LineNr"> 292 </span>      cursor-to-end prev-word
+<span id="L293" class="LineNr"> 293 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L294" class="LineNr"> 294 </span>      decrement-final-element cursor-call-path
+<span id="L295" class="LineNr"> 295 </span>      <span class="PreProc">break</span> $process-sandbox:body
+<span id="L296" class="LineNr"> 296 </span>    <span class="Delimiter">}</span>
+<span id="L297" class="LineNr"> 297 </span>    <span class="muComment"># if previous word doesn't exist, try to bump up one level</span>
+<span id="L298" class="LineNr"> 298 </span>    <span class="Delimiter">{</span>
+<span id="L299" class="LineNr"> 299 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L300" class="LineNr"> 300 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L301" class="LineNr"> 301 </span>      <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L302" class="LineNr"> 302 </span>      <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
+<span id="L303" class="LineNr"> 303 </span>      compare caller-cursor-element, <span class="Constant">0</span>
 <span id="L304" class="LineNr"> 304 </span>      <span class="PreProc">break-if-=</span>
-<span id="L305" class="LineNr"> 305 </span>      <span class="muComment"># if so jump to it</span>
-<span id="L306" class="LineNr"> 306 </span>      drop-from-call-path-element cursor-call-path-ah
-<span id="L307" class="LineNr"> 307 </span>      decrement-final-element cursor-call-path-ah
-<span id="L308" class="LineNr"> 308 </span>      <span class="PreProc">break</span> $process-sandbox:body
-<span id="L309" class="LineNr"> 309 </span>    <span class="Delimiter">}</span>
-<span id="L310" class="LineNr"> 310 </span>  <span class="Delimiter">}</span>
-<span id="L311" class="LineNr"> 311 </span>  compare key, <span class="Constant">6</span>  <span class="muComment"># ctrl-f</span>
-<span id="L312" class="LineNr"> 312 </span>  $process-sandbox:<a href='../../127next-word.subx.html#L10'>next-word</a>: <span class="Delimiter">{</span>
-<span id="L313" class="LineNr"> 313 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L314" class="LineNr"> 314 </span><span class="CommentedCode">#?     print-string 0, &quot;AA\n&quot;</span>
-<span id="L315" class="LineNr"> 315 </span>    <span class="muComment"># jump to previous word at same level</span>
-<span id="L316" class="LineNr"> 316 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
-<span id="L317" class="LineNr"> 317 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
-<span id="L318" class="LineNr"> 318 </span>    <span class="Delimiter">{</span>
-<span id="L319" class="LineNr"> 319 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
-<span id="L320" class="LineNr"> 320 </span>      <span class="PreProc">break-if-=</span>
-<span id="L321" class="LineNr"> 321 </span><span class="CommentedCode">#?       print-string 0, &quot;BB\n&quot;</span>
-<span id="L322" class="LineNr"> 322 </span>      cursor-to-end <a href='../../127next-word.subx.html#L10'>next-word</a>
-<span id="L323" class="LineNr"> 323 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L324" class="LineNr"> 324 </span>      increment-final-element cursor-call-path
-<span id="L325" class="LineNr"> 325 </span>      <span class="PreProc">break</span> $process-sandbox:body
-<span id="L326" class="LineNr"> 326 </span>    <span class="Delimiter">}</span>
-<span id="L327" class="LineNr"> 327 </span>    <span class="muComment"># if next word doesn't exist, try to bump up one level</span>
-<span id="L328" class="LineNr"> 328 </span><span class="CommentedCode">#?     print-string 0, &quot;CC\n&quot;</span>
-<span id="L329" class="LineNr"> 329 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L330" class="LineNr"> 330 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L331" class="LineNr"> 331 </span>    <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L332" class="LineNr"> 332 </span>    <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
-<span id="L333" class="LineNr"> 333 </span>    compare caller-cursor-element, <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;DD\n&quot;</span>
-<span id="L336" class="LineNr"> 336 </span>    copy-object caller-cursor-element-ah, cursor-call-path-ah
-<span id="L337" class="LineNr"> 337 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L338" class="LineNr"> 338 </span>  <span class="Delimiter">}</span>
-<span id="L339" class="LineNr"> 339 </span>  <span class="muComment"># line-based motions</span>
-<span id="L340" class="LineNr"> 340 </span>  compare key, <span class="Constant">1</span>  <span class="muComment"># ctrl-a</span>
-<span id="L341" class="LineNr"> 341 </span>  $process-sandbox:start-of-line: <span class="Delimiter">{</span>
-<span id="L342" class="LineNr"> 342 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L343" class="LineNr"> 343 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
-<span id="L344" class="LineNr"> 344 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L345" class="LineNr"> 345 </span>    drop-nested-calls cursor-call-path-ah
-<span id="L346" class="LineNr"> 346 </span>    move-final-element-to-start-of-line cursor-call-path-ah
-<span id="L347" class="LineNr"> 347 </span>    <span class="muComment"># move cursor to start of initial word</span>
-<span id="L348" class="LineNr"> 348 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L349" class="LineNr"> 349 </span>    <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L350" class="LineNr"> 350 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L351" class="LineNr"> 351 </span>    cursor-to-start cursor-word
-<span id="L352" class="LineNr"> 352 </span>    <span class="muComment"># this works as long as the first word isn't expanded</span>
-<span id="L353" class="LineNr"> 353 </span>    <span class="muComment"># but we don't expect to see zero-arg functions first-up</span>
-<span id="L354" class="LineNr"> 354 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L355" class="LineNr"> 355 </span>  <span class="Delimiter">}</span>
-<span id="L356" class="LineNr"> 356 </span>  compare key, <span class="Constant">5</span>  <span class="muComment"># ctrl-e</span>
-<span id="L357" class="LineNr"> 357 </span>  $process-sandbox:end-of-line: <span class="Delimiter">{</span>
-<span id="L358" class="LineNr"> 358 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L359" class="LineNr"> 359 </span>    <span class="muComment"># move cursor to final word of sandbox</span>
-<span id="L360" class="LineNr"> 360 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L361" class="LineNr"> 361 </span>    initialize-path-from-sandbox sandbox, cursor-call-path-ah
-<span id="L362" class="LineNr"> 362 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L363" class="LineNr"> 363 </span>    <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L364" class="LineNr"> 364 </span>    final-word dest, dest
-<span id="L365" class="LineNr"> 365 </span>    <span class="muComment"># move cursor to end of final word</span>
-<span id="L366" class="LineNr"> 366 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L367" class="LineNr"> 367 </span>    cursor-to-end cursor-word
-<span id="L368" class="LineNr"> 368 </span>    <span class="muComment"># this works because expanded words lie to the right of their bodies</span>
-<span id="L369" class="LineNr"> 369 </span>    <span class="muComment"># so the final word is always guaranteed to be at the top-level</span>
-<span id="L370" class="LineNr"> 370 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L371" class="LineNr"> 371 </span>  <span class="Delimiter">}</span>
-<span id="L372" class="LineNr"> 372 </span>  compare key, <span class="Constant">0x15</span>  <span class="muComment"># ctrl-u</span>
-<span id="L373" class="LineNr"> 373 </span>  $process-sandbox:clear-line: <span class="Delimiter">{</span>
-<span id="L374" class="LineNr"> 374 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L375" class="LineNr"> 375 </span>    <span class="muComment"># clear line in sandbox</span>
-<span id="L376" class="LineNr"> 376 </span>    initialize-sandbox sandbox
+<span id="L305" class="LineNr"> 305 </span>      <span class="muComment"># check if previous word exists in caller</span>
+<span id="L306" class="LineNr"> 306 </span>      <span class="PreProc">var</span> caller-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-cursor-element, word
+<span id="L307" class="LineNr"> 307 </span>      <span class="PreProc">var</span> caller-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-word-ah
+<span id="L308" class="LineNr"> 308 </span>      <span class="PreProc">var</span> word-before-caller-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> caller-word, prev
+<span id="L309" class="LineNr"> 309 </span>      <span class="PreProc">var</span> word-before-caller/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-before-caller-ah
+<span id="L310" class="LineNr"> 310 </span>      compare word-before-caller, <span class="Constant">0</span>
+<span id="L311" class="LineNr"> 311 </span>      <span class="PreProc">break-if-=</span>
+<span id="L312" class="LineNr"> 312 </span>      <span class="muComment"># if so jump to it</span>
+<span id="L313" class="LineNr"> 313 </span>      drop-from-call-path-element cursor-call-path-ah
+<span id="L314" class="LineNr"> 314 </span>      decrement-final-element cursor-call-path-ah
+<span id="L315" class="LineNr"> 315 </span>      <span class="PreProc">break</span> $process-sandbox:body
+<span id="L316" class="LineNr"> 316 </span>    <span class="Delimiter">}</span>
+<span id="L317" class="LineNr"> 317 </span>  <span class="Delimiter">}</span>
+<span id="L318" class="LineNr"> 318 </span>  compare key, <span class="Constant">6</span>  <span class="muComment"># ctrl-f</span>
+<span id="L319" class="LineNr"> 319 </span>  $process-sandbox:<a href='../../127next-word.subx.html#L10'>next-word</a>: <span class="Delimiter">{</span>
+<span id="L320" class="LineNr"> 320 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L321" class="LineNr"> 321 </span><span class="CommentedCode">#?     print-string 0, &quot;AA\n&quot;</span>
+<span id="L322" class="LineNr"> 322 </span>    <span class="muComment"># jump to previous word at same level</span>
+<span id="L323" class="LineNr"> 323 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
+<span id="L324" class="LineNr"> 324 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L325" class="LineNr"> 325 </span>    <span class="Delimiter">{</span>
+<span id="L326" class="LineNr"> 326 </span>      compare <a href='../../127next-word.subx.html#L10'>next-word</a>, <span class="Constant">0</span>
+<span id="L327" class="LineNr"> 327 </span>      <span class="PreProc">break-if-=</span>
+<span id="L328" class="LineNr"> 328 </span><span class="CommentedCode">#?       print-string 0, &quot;BB\n&quot;</span>
+<span id="L329" class="LineNr"> 329 </span>      cursor-to-end <a href='../../127next-word.subx.html#L10'>next-word</a>
+<span id="L330" class="LineNr"> 330 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L331" class="LineNr"> 331 </span>      increment-final-element cursor-call-path
+<span id="L332" class="LineNr"> 332 </span>      <span class="PreProc">break</span> $process-sandbox:body
+<span id="L333" class="LineNr"> 333 </span>    <span class="Delimiter">}</span>
+<span id="L334" class="LineNr"> 334 </span>    <span class="muComment"># if next word doesn't exist, try to bump up one level</span>
+<span id="L335" class="LineNr"> 335 </span><span class="CommentedCode">#?     print-string 0, &quot;CC\n&quot;</span>
+<span id="L336" class="LineNr"> 336 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L337" class="LineNr"> 337 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L338" class="LineNr"> 338 </span>    <span class="PreProc">var</span> caller-cursor-element-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L339" class="LineNr"> 339 </span>    <span class="PreProc">var</span> caller-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *caller-cursor-element-ah
+<span id="L340" class="LineNr"> 340 </span>    compare caller-cursor-element, <span class="Constant">0</span>
+<span id="L341" class="LineNr"> 341 </span>    <span class="PreProc">break-if-=</span>
+<span id="L342" class="LineNr"> 342 </span><span class="CommentedCode">#?     print-string 0, &quot;DD\n&quot;</span>
+<span id="L343" class="LineNr"> 343 </span>    copy-object caller-cursor-element-ah, cursor-call-path-ah
+<span id="L344" class="LineNr"> 344 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L345" class="LineNr"> 345 </span>  <span class="Delimiter">}</span>
+<span id="L346" class="LineNr"> 346 </span>  <span class="muComment"># line-based motions</span>
+<span id="L347" class="LineNr"> 347 </span>  compare key, <span class="Constant">1</span>  <span class="muComment"># ctrl-a</span>
+<span id="L348" class="LineNr"> 348 </span>  $process-sandbox:start-of-line: <span class="Delimiter">{</span>
+<span id="L349" class="LineNr"> 349 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L350" class="LineNr"> 350 </span>    <span class="muComment"># move cursor up past all calls and to start of line</span>
+<span id="L351" class="LineNr"> 351 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L352" class="LineNr"> 352 </span>    drop-nested-calls cursor-call-path-ah
+<span id="L353" class="LineNr"> 353 </span>    move-final-element-to-start-of-line cursor-call-path-ah
+<span id="L354" class="LineNr"> 354 </span>    <span class="muComment"># move cursor to start of initial word</span>
+<span id="L355" class="LineNr"> 355 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L356" class="LineNr"> 356 </span>    <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
+<span id="L357" class="LineNr"> 357 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L358" class="LineNr"> 358 </span>    cursor-to-start cursor-word
+<span id="L359" class="LineNr"> 359 </span>    <span class="muComment"># this works as long as the first word isn't expanded</span>
+<span id="L360" class="LineNr"> 360 </span>    <span class="muComment"># but we don't expect to see zero-arg functions first-up</span>
+<span id="L361" class="LineNr"> 361 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L362" class="LineNr"> 362 </span>  <span class="Delimiter">}</span>
+<span id="L363" class="LineNr"> 363 </span>  compare key, <span class="Constant">5</span>  <span class="muComment"># ctrl-e</span>
+<span id="L364" class="LineNr"> 364 </span>  $process-sandbox:end-of-line: <span class="Delimiter">{</span>
+<span id="L365" class="LineNr"> 365 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L366" class="LineNr"> 366 </span>    <span class="muComment"># move cursor to final word of sandbox</span>
+<span id="L367" class="LineNr"> 367 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L368" class="LineNr"> 368 </span>    initialize-path-from-sandbox sandbox, cursor-call-path-ah
+<span id="L369" class="LineNr"> 369 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L370" class="LineNr"> 370 </span>    <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
+<span id="L371" class="LineNr"> 371 </span>    final-word dest, dest
+<span id="L372" class="LineNr"> 372 </span>    <span class="muComment"># move cursor to end of final word</span>
+<span id="L373" class="LineNr"> 373 </span>    <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L374" class="LineNr"> 374 </span>    cursor-to-end cursor-word
+<span id="L375" class="LineNr"> 375 </span>    <span class="muComment"># this works because expanded words lie to the right of their bodies</span>
+<span id="L376" class="LineNr"> 376 </span>    <span class="muComment"># so the final word is always guaranteed to be at the top-level</span>
 <span id="L377" class="LineNr"> 377 </span>    <span class="PreProc">break</span> $process-sandbox:body
 <span id="L378" class="LineNr"> 378 </span>  <span class="Delimiter">}</span>
-<span id="L379" class="LineNr"> 379 </span>  <span class="muComment"># if cursor is within a call, disable editing hotkeys below</span>
-<span id="L380" class="LineNr"> 380 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L381" class="LineNr"> 381 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L382" class="LineNr"> 382 </span>  <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
-<span id="L383" class="LineNr"> 383 </span>  <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
-<span id="L384" class="LineNr"> 384 </span>  compare next-cursor-element, <span class="Constant">0</span>
-<span id="L385" class="LineNr"> 385 </span>  <span class="PreProc">break-if-!=</span> $process-sandbox:body
-<span id="L386" class="LineNr"> 386 </span>  <span class="muComment"># - remaining keys only work at the top row outside any function calls</span>
-<span id="L387" class="LineNr"> 387 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
-<span id="L388" class="LineNr"> 388 </span>  $process-sandbox:backspace: <span class="Delimiter">{</span>
-<span id="L389" class="LineNr"> 389 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L390" class="LineNr"> 390 </span>    <span class="muComment"># if not at start of some word, delete grapheme before cursor within current word</span>
-<span id="L391" class="LineNr"> 391 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? cursor-word
-<span id="L392" class="LineNr"> 392 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L393" class="LineNr"> 393 </span>    <span class="Delimiter">{</span>
-<span id="L394" class="LineNr"> 394 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L395" class="LineNr"> 395 </span>      delete-before-cursor cursor-word
-<span id="L396" class="LineNr"> 396 </span>      <span class="PreProc">break</span> $process-sandbox:body
-<span id="L397" class="LineNr"> 397 </span>    <span class="Delimiter">}</span>
-<span id="L398" class="LineNr"> 398 </span>    <span class="muComment"># otherwise delete current word and move to end of prev word</span>
-<span id="L399" class="LineNr"> 399 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L400" class="LineNr"> 400 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
-<span id="L401" class="LineNr"> 401 </span>    <span class="Delimiter">{</span>
-<span id="L402" class="LineNr"> 402 </span>      compare prev-word, <span class="Constant">0</span>
-<span id="L403" class="LineNr"> 403 </span>      <span class="PreProc">break-if-=</span>
-<span id="L404" class="LineNr"> 404 </span>      cursor-to-end prev-word
-<span id="L405" class="LineNr"> 405 </span>      delete-next prev-word
-<span id="L406" class="LineNr"> 406 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L407" class="LineNr"> 407 </span>      decrement-final-element cursor-call-path
-<span id="L408" class="LineNr"> 408 </span>    <span class="Delimiter">}</span>
-<span id="L409" class="LineNr"> 409 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L410" class="LineNr"> 410 </span>  <span class="Delimiter">}</span>
-<span id="L411" class="LineNr"> 411 </span>  compare key, <span class="Constant">0x20</span>  <span class="muComment"># space</span>
-<span id="L412" class="LineNr"> 412 </span>  $process-sandbox:space: <span class="Delimiter">{</span>
-<span id="L413" class="LineNr"> 413 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L414" class="LineNr"> 414 </span><span class="CommentedCode">#?     print-string 0, &quot;space\n&quot;</span>
-<span id="L415" class="LineNr"> 415 </span>    <span class="muComment"># if cursor is at start of word, insert word before</span>
-<span id="L416" class="LineNr"> 416 </span>    <span class="Delimiter">{</span>
-<span id="L417" class="LineNr"> 417 </span>      <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? cursor-word
-<span id="L418" class="LineNr"> 418 </span>      compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L419" class="LineNr"> 419 </span>      <span class="PreProc">break-if-=</span>
-<span id="L420" class="LineNr"> 420 </span>      <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
-<span id="L421" class="LineNr"> 421 </span>      append-word prev-word-ah
-<span id="L422" class="LineNr"> 422 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L423" class="LineNr"> 423 </span>      decrement-final-element cursor-call-path
-<span id="L424" class="LineNr"> 424 </span>      <span class="PreProc">break</span> $process-sandbox:body
-<span id="L425" class="LineNr"> 425 </span>    <span class="Delimiter">}</span>
-<span id="L426" class="LineNr"> 426 </span>    <span class="muComment"># if start of word is quote and grapheme before cursor is not, just insert it as usual</span>
-<span id="L427" class="LineNr"> 427 </span>    <span class="muComment"># TODO: support string escaping</span>
-<span id="L428" class="LineNr"> 428 </span>    <span class="Delimiter">{</span>
-<span id="L429" class="LineNr"> 429 </span>      <span class="PreProc">var</span> first-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> first-grapheme cursor-word
-<span id="L430" class="LineNr"> 430 </span>      compare first-grapheme, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
-<span id="L431" class="LineNr"> 431 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L432" class="LineNr"> 432 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> grapheme-before-cursor cursor-word
-<span id="L433" class="LineNr"> 433 </span>      compare final-grapheme, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
-<span id="L434" class="LineNr"> 434 </span>      <span class="PreProc">break-if-=</span>
-<span id="L435" class="LineNr"> 435 </span>      <span class="PreProc">break</span> $process-sandbox:space
-<span id="L436" class="LineNr"> 436 </span>    <span class="Delimiter">}</span>
-<span id="L437" class="LineNr"> 437 </span>    <span class="muComment"># if start of word is '[' and grapheme before cursor is not ']', just insert it as usual</span>
-<span id="L438" class="LineNr"> 438 </span>    <span class="muComment"># TODO: support nested arrays</span>
-<span id="L439" class="LineNr"> 439 </span>    <span class="Delimiter">{</span>
-<span id="L440" class="LineNr"> 440 </span>      <span class="PreProc">var</span> first-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> first-grapheme cursor-word
-<span id="L441" class="LineNr"> 441 </span>      compare first-grapheme, <span class="Constant">0x5b</span>  <span class="muComment"># '['</span>
-<span id="L442" class="LineNr"> 442 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L443" class="LineNr"> 443 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> grapheme-before-cursor cursor-word
-<span id="L444" class="LineNr"> 444 </span>      compare final-grapheme, <span class="Constant">0x5d</span>  <span class="muComment"># ']'</span>
-<span id="L445" class="LineNr"> 445 </span>      <span class="PreProc">break-if-=</span>
-<span id="L446" class="LineNr"> 446 </span>      <span class="PreProc">break</span> $process-sandbox:space
-<span id="L447" class="LineNr"> 447 </span>    <span class="Delimiter">}</span>
-<span id="L448" class="LineNr"> 448 </span>    <span class="muComment"># otherwise insert word after and move cursor to it for the next key</span>
-<span id="L449" class="LineNr"> 449 </span>    <span class="muComment"># (but we'll continue to track the current cursor-word for the rest of this function)</span>
-<span id="L450" class="LineNr"> 450 </span>    append-word cursor-word-ah
-<span id="L451" class="LineNr"> 451 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L452" class="LineNr"> 452 </span>    increment-final-element cursor-call-path
-<span id="L453" class="LineNr"> 453 </span>    <span class="muComment"># if cursor is at end of word, that's all</span>
-<span id="L454" class="LineNr"> 454 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-end? cursor-word
-<span id="L455" class="LineNr"> 455 </span>    compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L456" class="LineNr"> 456 </span>    <span class="PreProc">break-if-!=</span> $process-sandbox:body
-<span id="L457" class="LineNr"> 457 </span>    <span class="muComment"># otherwise we're in the middle of a word</span>
-<span id="L458" class="LineNr"> 458 </span>    <span class="muComment"># move everything after cursor to the (just created) next word</span>
-<span id="L459" class="LineNr"> 459 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
-<span id="L460" class="LineNr"> 460 </span>    <span class="PreProc">var</span> _next-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
-<span id="L461" class="LineNr"> 461 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">ebx</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _next-word
-<span id="L462" class="LineNr"> 462 </span>    <span class="Delimiter">{</span>
-<span id="L463" class="LineNr"> 463 </span>      <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-end? cursor-word
-<span id="L464" class="LineNr"> 464 </span>      compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L465" class="LineNr"> 465 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L466" class="LineNr"> 466 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> pop-after-cursor cursor-word
-<span id="L467" class="LineNr"> 467 </span>      add-grapheme-to-word <a href='../../127next-word.subx.html#L10'>next-word</a>, g
-<span id="L468" class="LineNr"> 468 </span>      <span class="PreProc">loop</span>
-<span id="L469" class="LineNr"> 469 </span>    <span class="Delimiter">}</span>
-<span id="L470" class="LineNr"> 470 </span>    cursor-to-start <a href='../../127next-word.subx.html#L10'>next-word</a>
-<span id="L471" class="LineNr"> 471 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L472" class="LineNr"> 472 </span>  <span class="Delimiter">}</span>
-<span id="L473" class="LineNr"> 473 </span>  compare key, <span class="Constant">0xe</span>  <span class="muComment"># ctrl-n</span>
-<span id="L474" class="LineNr"> 474 </span>  $process:rename-word: <span class="Delimiter">{</span>
-<span id="L475" class="LineNr"> 475 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L476" class="LineNr"> 476 </span>    <span class="muComment"># TODO: ensure current word is not a function</span>
-<span id="L477" class="LineNr"> 477 </span>    <span class="muComment"># rename word at cursor</span>
-<span id="L478" class="LineNr"> 478 </span>    <span class="PreProc">var</span> new-name-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
-<span id="L479" class="LineNr"> 479 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
-<span id="L480" class="LineNr"> 480 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L481" class="LineNr"> 481 </span>    initialize-word new-name
-<span id="L482" class="LineNr"> 482 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L483" class="LineNr"> 483 </span>  <span class="Delimiter">}</span>
-<span id="L484" class="LineNr"> 484 </span>  compare key, <span class="Constant">4</span>  <span class="muComment"># ctrl-d</span>
-<span id="L485" class="LineNr"> 485 </span>  $process:define-function: <span class="Delimiter">{</span>
-<span id="L486" class="LineNr"> 486 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L487" class="LineNr"> 487 </span>    <span class="muComment"># define function out of line 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 word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
-<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 word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L491" class="LineNr"> 491 </span>    initialize-word new-name
-<span id="L492" class="LineNr"> 492 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L493" class="LineNr"> 493 </span>  <span class="Delimiter">}</span>
-<span id="L494" class="LineNr"> 494 </span>  <span class="muComment"># otherwise insert key within current word</span>
-<span id="L495" class="LineNr"> 495 </span>  <span class="PreProc">var</span> g/<span class="Constant">edx</span>: grapheme <span class="SpecialChar">&lt;-</span> copy key
-<span id="L496" class="LineNr"> 496 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1635'>real-grapheme?</a> key
-<span id="L497" class="LineNr"> 497 </span>  $process-sandbox:real-grapheme: <span class="Delimiter">{</span>
-<span id="L498" class="LineNr"> 498 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L499" class="LineNr"> 499 </span>    <span class="PreProc">break-if-=</span>
-<span id="L500" class="LineNr"> 500 </span>    add-grapheme-to-word cursor-word, g
-<span id="L501" class="LineNr"> 501 </span>    <span class="PreProc">break</span> $process-sandbox:body
-<span id="L502" class="LineNr"> 502 </span>  <span class="Delimiter">}</span>
-<span id="L503" class="LineNr"> 503 </span>  <span class="muComment"># silently ignore other hotkeys</span>
-<span id="L504" class="LineNr"> 504 </span><span class="Delimiter">}</span>
-<span id="L505" class="LineNr"> 505 </span><span class="Delimiter">}</span>
-<span id="L506" class="LineNr"> 506 </span>
-<span id="L507" class="LineNr"> 507 </span><span class="muComment"># collect new name in partial-name-for-cursor-word, and then rename the word</span>
-<span id="L508" class="LineNr"> 508 </span><span class="muComment"># at cursor to it</span>
-<span id="L509" class="LineNr"> 509 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
-<span id="L510" class="LineNr"> 510 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L510'>process-sandbox-rename</a></span> _sandbox: (addr sandbox), key: grapheme <span class="Delimiter">{</span>
-<span id="L511" class="LineNr"> 511 </span>$process-sandbox-rename:body: <span class="Delimiter">{</span>
-<span id="L512" class="LineNr"> 512 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L513" class="LineNr"> 513 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
-<span id="L514" class="LineNr"> 514 </span>  <span class="muComment"># if 'esc' pressed, cancel rename</span>
-<span id="L515" class="LineNr"> 515 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
-<span id="L516" class="LineNr"> 516 </span>  $process-sandbox-rename:cancel: <span class="Delimiter">{</span>
-<span id="L517" class="LineNr"> 517 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L518" class="LineNr"> 518 </span>    <span class="PreProc">var</span> empty: (handle word)
-<span id="L519" class="LineNr"> 519 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty, new-name-ah
-<span id="L520" class="LineNr"> 520 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
-<span id="L521" class="LineNr"> 521 </span>  <span class="Delimiter">}</span>
-<span id="L522" class="LineNr"> 522 </span>  <span class="muComment"># if 'enter' pressed, perform rename</span>
-<span id="L523" class="LineNr"> 523 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
-<span id="L524" class="LineNr"> 524 </span>  $process-sandbox-rename:commit: <span class="Delimiter">{</span>
-<span id="L525" class="LineNr"> 525 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L526" class="LineNr"> 526 </span><span class="CommentedCode">#?     print-string 0, &quot;rename\n&quot;</span>
-<span id="L527" class="LineNr"> 527 </span>    <span class="muComment"># new line</span>
-<span id="L528" class="LineNr"> 528 </span>    <span class="PreProc">var</span> new-line-h: (handle line)
-<span id="L529" class="LineNr"> 529 </span>    <span class="PreProc">var</span> new-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address new-line-h
-<span id="L530" class="LineNr"> 530 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-line-ah
-<span id="L531" class="LineNr"> 531 </span>    <span class="PreProc">var</span> new-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-line-ah
-<span id="L532" class="LineNr"> 532 </span>    initialize-line new-line
-<span id="L533" class="LineNr"> 533 </span>    <span class="PreProc">var</span> new-line-word-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-line, data
-<span id="L534" class="LineNr"> 534 </span>    <span class="Delimiter">{</span>
-<span id="L535" class="LineNr"> 535 </span>      <span class="muComment"># move word at cursor to new line</span>
-<span id="L536" class="LineNr"> 536 </span>      <span class="PreProc">var</span> cursor-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L537" class="LineNr"> 537 </span>      <span class="PreProc">var</span> cursor/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-ah
-<span id="L538" class="LineNr"> 538 </span>      <span class="PreProc">var</span> word-at-cursor-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor, word
-<span id="L539" class="LineNr"> 539 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor before at word &quot;</span>
-<span id="L540" class="LineNr"> 540 </span><span class="CommentedCode">#?       {</span>
-<span id="L541" class="LineNr"> 541 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
-<span id="L542" class="LineNr"> 542 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
-<span id="L543" class="LineNr"> 543 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L544" class="LineNr"> 544 </span><span class="CommentedCode">#?       }</span>
-<span id="L545" class="LineNr"> 545 </span>      move-word-contents word-at-cursor-ah, new-line-word-ah
-<span id="L546" class="LineNr"> 546 </span>      <span class="muComment"># copy name to word at cursor</span>
-<span id="L547" class="LineNr"> 547 </span>      copy-word-contents-before-cursor new-name-ah, word-at-cursor-ah
-<span id="L548" class="LineNr"> 548 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor after at word &quot;</span>
-<span id="L549" class="LineNr"> 549 </span><span class="CommentedCode">#?       {</span>
-<span id="L550" class="LineNr"> 550 </span><span class="CommentedCode">#?         var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
-<span id="L551" class="LineNr"> 551 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
-<span id="L552" class="LineNr"> 552 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L553" class="LineNr"> 553 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
-<span id="L554" class="LineNr"> 554 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L555" class="LineNr"> 555 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L556" class="LineNr"> 556 </span><span class="CommentedCode">#?       }</span>
-<span id="L557" class="LineNr"> 557 </span><span class="CommentedCode">#?       print-string 0, &quot;new name word &quot;</span>
-<span id="L558" class="LineNr"> 558 </span><span class="CommentedCode">#?       {</span>
-<span id="L559" class="LineNr"> 559 </span><span class="CommentedCode">#?         var new-name/eax: (addr word) &lt;- lookup *new-name-ah</span>
-<span id="L560" class="LineNr"> 560 </span><span class="CommentedCode">#?         print-word 0, new-name</span>
-<span id="L561" class="LineNr"> 561 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L562" class="LineNr"> 562 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy new-name</span>
-<span id="L563" class="LineNr"> 563 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L564" class="LineNr"> 564 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L565" class="LineNr"> 565 </span><span class="CommentedCode">#?       }</span>
-<span id="L566" class="LineNr"> 566 </span>    <span class="Delimiter">}</span>
-<span id="L567" class="LineNr"> 567 </span>    <span class="muComment"># prepend '=' to name</span>
-<span id="L568" class="LineNr"> 568 </span>    <span class="Delimiter">{</span>
-<span id="L569" class="LineNr"> 569 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L570" class="LineNr"> 570 </span>      cursor-to-start new-name
-<span id="L571" class="LineNr"> 571 </span>      add-grapheme-to-word new-name, <span class="Constant">0x3d</span>  <span class="muComment"># '='</span>
-<span id="L572" class="LineNr"> 572 </span>    <span class="Delimiter">}</span>
-<span id="L573" class="LineNr"> 573 </span>    <span class="muComment"># append name to new line</span>
-<span id="L574" class="LineNr"> 574 </span>    chain-words new-line-word-ah, new-name-ah
-<span id="L575" class="LineNr"> 575 </span>    <span class="muComment"># new-line-&gt;next = sandbox-&gt;data</span>
-<span id="L576" class="LineNr"> 576 </span>    <span class="PreProc">var</span> new-line-next/<span class="Constant">ecx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-line, next
-<span id="L577" class="LineNr"> 577 </span>    <span class="PreProc">var</span> sandbox-slot/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L578" class="LineNr"> 578 </span>    copy-object sandbox-slot, new-line-next
-<span id="L579" class="LineNr"> 579 </span>    <span class="muComment"># sandbox-&gt;data = new-line</span>
-<span id="L580" class="LineNr"> 580 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> new-line-h, sandbox-slot
-<span id="L581" class="LineNr"> 581 </span>    <span class="muComment"># clear partial-name-for-cursor-word</span>
-<span id="L582" class="LineNr"> 582 </span>    <span class="PreProc">var</span> empty: (handle word)
-<span id="L583" class="LineNr"> 583 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty, new-name-ah
-<span id="L584" class="LineNr"> 584 </span><span class="CommentedCode">#?     # XXX</span>
-<span id="L585" class="LineNr"> 585 </span><span class="CommentedCode">#?     var cursor-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
-<span id="L586" class="LineNr"> 586 </span><span class="CommentedCode">#?     var cursor/eax: (addr call-path-element) &lt;- lookup *cursor-ah</span>
-<span id="L587" class="LineNr"> 587 </span><span class="CommentedCode">#?     var word-at-cursor-ah/eax: (addr handle word) &lt;- get cursor, word</span>
-<span id="L588" class="LineNr"> 588 </span><span class="CommentedCode">#?     print-string 0, &quot;cursor after rename: &quot;</span>
-<span id="L589" class="LineNr"> 589 </span><span class="CommentedCode">#?     {</span>
-<span id="L590" class="LineNr"> 590 </span><span class="CommentedCode">#?       var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
-<span id="L591" class="LineNr"> 591 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
-<span id="L592" class="LineNr"> 592 </span><span class="CommentedCode">#?       print-string 0, &quot; -- &quot;</span>
-<span id="L593" class="LineNr"> 593 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy cursor-word</span>
-<span id="L594" class="LineNr"> 594 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L595" class="LineNr"> 595 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L596" class="LineNr"> 596 </span><span class="CommentedCode">#?     }</span>
-<span id="L597" class="LineNr"> 597 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
-<span id="L598" class="LineNr"> 598 </span>  <span class="Delimiter">}</span>
-<span id="L599" class="LineNr"> 599 </span>  <span class="muComment">#</span>
-<span id="L600" class="LineNr"> 600 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
-<span id="L601" class="LineNr"> 601 </span>  $process-sandbox-rename:backspace: <span class="Delimiter">{</span>
-<span id="L602" class="LineNr"> 602 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L603" class="LineNr"> 603 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
-<span id="L604" class="LineNr"> 604 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L605" class="LineNr"> 605 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? new-name
-<span id="L606" class="LineNr"> 606 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L607" class="LineNr"> 607 </span>    <span class="Delimiter">{</span>
-<span id="L608" class="LineNr"> 608 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L609" class="LineNr"> 609 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L610" class="LineNr"> 610 </span>      delete-before-cursor new-name
-<span id="L611" class="LineNr"> 611 </span>    <span class="Delimiter">}</span>
-<span id="L612" class="LineNr"> 612 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
-<span id="L613" class="LineNr"> 613 </span>  <span class="Delimiter">}</span>
-<span id="L614" class="LineNr"> 614 </span>  <span class="muComment"># otherwise insert key within current word</span>
-<span id="L615" class="LineNr"> 615 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1635'>real-grapheme?</a> key
-<span id="L616" class="LineNr"> 616 </span>  $process-sandbox-rename:real-grapheme: <span class="Delimiter">{</span>
-<span id="L617" class="LineNr"> 617 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L618" class="LineNr"> 618 </span>    <span class="PreProc">break-if-=</span>
-<span id="L619" class="LineNr"> 619 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L620" class="LineNr"> 620 </span>    add-grapheme-to-word new-name, key
-<span id="L621" class="LineNr"> 621 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
-<span id="L622" class="LineNr"> 622 </span>  <span class="Delimiter">}</span>
-<span id="L623" class="LineNr"> 623 </span>  <span class="muComment"># silently ignore other hotkeys</span>
-<span id="L624" class="LineNr"> 624 </span><span class="Delimiter">}</span>
-<span id="L625" class="LineNr"> 625 </span><span class="Delimiter">}</span>
-<span id="L626" class="LineNr"> 626 </span>
-<span id="L627" class="LineNr"> 627 </span><span class="muComment"># collect new name in partial-name-for-function, and then define the last line</span>
-<span id="L628" class="LineNr"> 628 </span><span class="muComment"># of the sandbox to be a new function with that name. Replace the last line</span>
-<span id="L629" class="LineNr"> 629 </span><span class="muComment"># with a call to the appropriate function.</span>
-<span id="L630" class="LineNr"> 630 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
-<span id="L631" class="LineNr"> 631 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L631'>process-sandbox-define</a></span> _sandbox: (addr sandbox), functions: (addr handle function), key: grapheme <span class="Delimiter">{</span>
-<span id="L632" class="LineNr"> 632 </span>$process-sandbox-define:body: <span class="Delimiter">{</span>
-<span id="L633" class="LineNr"> 633 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L634" class="LineNr"> 634 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
-<span id="L635" class="LineNr"> 635 </span>  <span class="muComment"># if 'esc' pressed, cancel define</span>
-<span id="L636" class="LineNr"> 636 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
-<span id="L637" class="LineNr"> 637 </span>  $process-sandbox-define:cancel: <span class="Delimiter">{</span>
-<span id="L638" class="LineNr"> 638 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L639" class="LineNr"> 639 </span>    <span class="PreProc">var</span> empty: (handle word)
-<span id="L640" class="LineNr"> 640 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty, new-name-ah
-<span id="L641" class="LineNr"> 641 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
-<span id="L642" class="LineNr"> 642 </span>  <span class="Delimiter">}</span>
-<span id="L643" class="LineNr"> 643 </span>  <span class="muComment"># if 'enter' pressed, perform define</span>
-<span id="L644" class="LineNr"> 644 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
-<span id="L645" class="LineNr"> 645 </span>  $process-sandbox-define:commit: <span class="Delimiter">{</span>
-<span id="L646" class="LineNr"> 646 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L647" class="LineNr"> 647 </span><span class="CommentedCode">#?     print-string 0, &quot;define\n&quot;</span>
-<span id="L648" class="LineNr"> 648 </span>    <span class="muComment"># create new function</span>
-<span id="L649" class="LineNr"> 649 </span>    <span class="PreProc">var</span> new-function: (handle function)
-<span id="L650" class="LineNr"> 650 </span>    <span class="PreProc">var</span> new-function-ah/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address new-function
-<span id="L651" class="LineNr"> 651 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-function-ah
-<span id="L652" class="LineNr"> 652 </span>    <span class="PreProc">var</span> _new-function/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-function-ah
-<span id="L653" class="LineNr"> 653 </span>    <span class="PreProc">var</span> new-function/<span class="Constant">ebx</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _new-function
-<span id="L654" class="LineNr"> 654 </span>    <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, next
-<span id="L655" class="LineNr"> 655 </span>    copy-object functions, dest
-<span id="L656" class="LineNr"> 656 </span>    copy-object new-function-ah, functions
-<span id="L657" class="LineNr"> 657 </span>    <span class="muComment"># set function name to new-name</span>
-<span id="L658" class="LineNr"> 658 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L659" class="LineNr"> 659 </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="L660" class="LineNr"> 660 </span>    word-to-string new-name, dest
-<span id="L661" class="LineNr"> 661 </span>    <span class="muComment"># move final line to body</span>
-<span id="L662" class="LineNr"> 662 </span>    <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, body
-<span id="L663" class="LineNr"> 663 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> body-ah
-<span id="L664" class="LineNr"> 664 </span>    <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
-<span id="L665" class="LineNr"> 665 </span>    <span class="PreProc">var</span> body-contents/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
-<span id="L666" class="LineNr"> 666 </span>    <span class="PreProc">var</span> final-line-storage: (handle line)
-<span id="L667" class="LineNr"> 667 </span>    <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address final-line-storage
-<span id="L668" class="LineNr"> 668 </span>    <a href='environment.mu.html#L1023'>final-line</a> sandbox, final-line-ah
-<span id="L669" class="LineNr"> 669 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1023'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
-<span id="L670" class="LineNr"> 670 </span>    <span class="PreProc">var</span> final-line-contents/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1023'>final-line</a>, data
-<span id="L671" class="LineNr"> 671 </span>    copy-object final-line-contents, body-contents
-<span id="L672" class="LineNr"> 672 </span>    <span class="muComment">#</span>
-<span id="L673" class="LineNr"> 673 </span>    <a href='environment.mu.html#L719'>copy-unbound-words-to-args</a> functions
-<span id="L674" class="LineNr"> 674 </span>    <span class="muComment">#</span>
-<span id="L675" class="LineNr"> 675 </span>    <span class="PreProc">var</span> empty-word: (handle word)
-<span id="L676" class="LineNr"> 676 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, final-line-contents
-<span id="L677" class="LineNr"> 677 </span>    <a href='environment.mu.html#L825'>construct-call</a> functions, final-line-contents
-<span id="L678" class="LineNr"> 678 </span>    <span class="muComment"># clear partial-name-for-function</span>
-<span id="L679" class="LineNr"> 679 </span>    <span class="PreProc">var</span> empty-word: (handle word)
-<span id="L680" class="LineNr"> 680 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, new-name-ah
-<span id="L681" class="LineNr"> 681 </span>    <span class="muComment"># update cursor</span>
-<span id="L682" class="LineNr"> 682 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1023'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> final-line-storage
-<span id="L683" class="LineNr"> 683 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L684" class="LineNr"> 684 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> cursor-call-path-ah  <span class="muComment"># leak</span>
-<span id="L685" class="LineNr"> 685 </span>    initialize-path-from-line <a href='environment.mu.html#L1023'>final-line</a>, cursor-call-path-ah
-<span id="L686" class="LineNr"> 686 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
-<span id="L687" class="LineNr"> 687 </span>  <span class="Delimiter">}</span>
-<span id="L688" class="LineNr"> 688 </span>  <span class="muComment">#</span>
-<span id="L689" class="LineNr"> 689 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
-<span id="L690" class="LineNr"> 690 </span>  $process-sandbox-define:backspace: <span class="Delimiter">{</span>
-<span id="L691" class="LineNr"> 691 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L692" class="LineNr"> 692 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
-<span id="L693" class="LineNr"> 693 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L694" class="LineNr"> 694 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? new-name
-<span id="L695" class="LineNr"> 695 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L696" class="LineNr"> 696 </span>    <span class="Delimiter">{</span>
-<span id="L697" class="LineNr"> 697 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L698" class="LineNr"> 698 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L699" class="LineNr"> 699 </span>      delete-before-cursor new-name
-<span id="L700" class="LineNr"> 700 </span>    <span class="Delimiter">}</span>
-<span id="L701" class="LineNr"> 701 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
-<span id="L702" class="LineNr"> 702 </span>  <span class="Delimiter">}</span>
-<span id="L703" class="LineNr"> 703 </span>  <span class="muComment"># otherwise insert key within current word</span>
-<span id="L704" class="LineNr"> 704 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1635'>real-grapheme?</a> key
-<span id="L705" class="LineNr"> 705 </span>  $process-sandbox-define:real-grapheme: <span class="Delimiter">{</span>
-<span id="L706" class="LineNr"> 706 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L707" class="LineNr"> 707 </span>    <span class="PreProc">break-if-=</span>
-<span id="L708" class="LineNr"> 708 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
-<span id="L709" class="LineNr"> 709 </span>    add-grapheme-to-word new-name, key
-<span id="L710" class="LineNr"> 710 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
-<span id="L711" class="LineNr"> 711 </span>  <span class="Delimiter">}</span>
-<span id="L712" class="LineNr"> 712 </span>  <span class="muComment"># silently ignore other hotkeys</span>
-<span id="L713" class="LineNr"> 713 </span><span class="Delimiter">}</span>
-<span id="L714" class="LineNr"> 714 </span><span class="Delimiter">}</span>
-<span id="L715" class="LineNr"> 715 </span>
-<span id="L716" class="LineNr"> 716 </span><span class="muComment"># extract from the body of the first function in 'functions' all words that</span>
-<span id="L717" class="LineNr"> 717 </span><span class="muComment"># aren't defined in the rest of 'functions'. Prepend them in reverse order.</span>
-<span id="L718" class="LineNr"> 718 </span><span class="muComment"># Assumes function body is a single line for now.</span>
-<span id="L719" class="LineNr"> 719 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L719'>copy-unbound-words-to-args</a></span> _functions: (addr handle function) <span class="Delimiter">{</span>
-<span id="L720" class="LineNr"> 720 </span>  <span class="muComment"># target</span>
-<span id="L721" class="LineNr"> 721 </span>  <span class="PreProc">var</span> target-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _functions
-<span id="L722" class="LineNr"> 722 </span>  <span class="PreProc">var</span> _target/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *target-ah
-<span id="L723" class="LineNr"> 723 </span>  <span class="PreProc">var</span> target/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _target
-<span id="L724" class="LineNr"> 724 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, args
-<span id="L725" class="LineNr"> 725 </span>  <span class="muComment"># next</span>
-<span id="L726" class="LineNr"> 726 </span>  <span class="PreProc">var</span> functions-ah/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, next
-<span id="L727" class="LineNr"> 727 </span>  <span class="muComment"># src</span>
-<span id="L728" class="LineNr"> 728 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, body
-<span id="L729" class="LineNr"> 729 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
-<span id="L730" class="LineNr"> 730 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
-<span id="L731" class="LineNr"> 731 </span>  <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
-<span id="L732" class="LineNr"> 732 </span>  <span class="Delimiter">{</span>
-<span id="L733" class="LineNr"> 733 </span>    compare curr, <span class="Constant">0</span>
-<span id="L734" class="LineNr"> 734 </span>    <span class="PreProc">break-if-=</span>
-<span id="L735" class="LineNr"> 735 </span>    $copy-unbound-words-to-args:loop-iter: <span class="Delimiter">{</span>
-<span id="L736" class="LineNr"> 736 </span>      <span class="muComment"># is it a number?</span>
-<span id="L737" class="LineNr"> 737 </span>      <span class="Delimiter">{</span>
-<span id="L738" class="LineNr"> 738 </span>        <span class="PreProc">var</span> is-int?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> word-is-decimal-integer? curr
-<span id="L739" class="LineNr"> 739 </span>        compare is-int?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L740" class="LineNr"> 740 </span>        <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
-<span id="L741" class="LineNr"> 741 </span>      <span class="Delimiter">}</span>
-<span id="L742" class="LineNr"> 742 </span>      <span class="muComment"># is it a pre-existing function?</span>
-<span id="L743" class="LineNr"> 743 </span>      <span class="PreProc">var</span> bound?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L763'>bound-function?</a> curr, functions-ah
-<span id="L744" class="LineNr"> 744 </span>      compare bound?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L745" class="LineNr"> 745 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L746" class="LineNr"> 746 </span>      <span class="muComment"># is it already bound as an arg?</span>
-<span id="L747" class="LineNr"> 747 </span>      <span class="PreProc">var</span> dup?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L816'>arg-exists?</a> _functions, curr  <span class="muComment"># _functions = target-ah</span>
-<span id="L748" class="LineNr"> 748 </span>      compare dup?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L749" class="LineNr"> 749 </span>      <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
-<span id="L750" class="LineNr"> 750 </span>      <span class="muComment"># push copy of curr before dest-ah</span>
-<span id="L751" class="LineNr"> 751 </span>      <span class="PreProc">var</span> rest-h: (handle word)
-<span id="L752" class="LineNr"> 752 </span>      <span class="PreProc">var</span> rest-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> address rest-h
-<span id="L753" class="LineNr"> 753 </span>      copy-object dest-ah, rest-ah
-<span id="L754" class="LineNr"> 754 </span>      copy-word curr, dest-ah
-<span id="L755" class="LineNr"> 755 </span>      chain-words dest-ah, rest-ah
-<span id="L756" class="LineNr"> 756 </span>    <span class="Delimiter">}</span>
-<span id="L757" class="LineNr"> 757 </span>    <span class="PreProc">var</span> next-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
-<span id="L758" class="LineNr"> 758 </span>    curr <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-ah
-<span id="L759" class="LineNr"> 759 </span>    <span class="PreProc">loop</span>
-<span id="L760" class="LineNr"> 760 </span>  <span class="Delimiter">}</span>
-<span id="L761" class="LineNr"> 761 </span><span class="Delimiter">}</span>
-<span id="L762" class="LineNr"> 762 </span>
-<span id="L763" class="LineNr"> 763 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L763'>bound-function?</a></span> w: (addr word), functions-ah: (addr handle function)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
-<span id="L764" class="LineNr"> 764 </span>  <span class="PreProc">var</span> result/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L765" class="LineNr"> 765 </span>  <span class="Delimiter">{</span>
-<span id="L766" class="LineNr"> 766 </span>    <span class="muComment"># if w == &quot;+&quot; return true</span>
-<span id="L767" class="LineNr"> 767 </span>    <span class="PreProc">var</span> subresult/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;+&quot;</span>
-<span id="L768" class="LineNr"> 768 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L769" class="LineNr"> 769 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L770" class="LineNr"> 770 </span>    <span class="muComment"># if w == &quot;-&quot; return true</span>
-<span id="L771" class="LineNr"> 771 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;-&quot;</span>
-<span id="L772" class="LineNr"> 772 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L773" class="LineNr"> 773 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L774" class="LineNr"> 774 </span>    <span class="muComment"># if w == &quot;*&quot; return true</span>
-<span id="L775" class="LineNr"> 775 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;*&quot;</span>
+<span id="L379" class="LineNr"> 379 </span>  compare key, <span class="Constant">0x15</span>  <span class="muComment"># ctrl-u</span>
+<span id="L380" class="LineNr"> 380 </span>  $process-sandbox:clear-line: <span class="Delimiter">{</span>
+<span id="L381" class="LineNr"> 381 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L382" class="LineNr"> 382 </span>    <span class="muComment"># clear line in sandbox</span>
+<span id="L383" class="LineNr"> 383 </span>    initialize-sandbox sandbox
+<span id="L384" class="LineNr"> 384 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L385" class="LineNr"> 385 </span>  <span class="Delimiter">}</span>
+<span id="L386" class="LineNr"> 386 </span>  <span class="muComment"># if cursor is within a call, disable editing hotkeys below</span>
+<span id="L387" class="LineNr"> 387 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L388" class="LineNr"> 388 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L389" class="LineNr"> 389 </span>  <span class="PreProc">var</span> next-cursor-element-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, next
+<span id="L390" class="LineNr"> 390 </span>  <span class="PreProc">var</span> next-cursor-element/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-cursor-element-ah
+<span id="L391" class="LineNr"> 391 </span>  compare next-cursor-element, <span class="Constant">0</span>
+<span id="L392" class="LineNr"> 392 </span>  <span class="PreProc">break-if-!=</span> $process-sandbox:body
+<span id="L393" class="LineNr"> 393 </span>  <span class="muComment"># - remaining keys only work at the top row outside any function calls</span>
+<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> cursor-at-start? cursor-word
+<span id="L399" class="LineNr"> 399 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L400" class="LineNr"> 400 </span>    <span class="Delimiter">{</span>
+<span id="L401" class="LineNr"> 401 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L402" class="LineNr"> 402 </span>      delete-before-cursor cursor-word
+<span id="L403" class="LineNr"> 403 </span>      <span class="PreProc">break</span> $process-sandbox:body
+<span id="L404" class="LineNr"> 404 </span>    <span class="Delimiter">}</span>
+<span id="L405" class="LineNr"> 405 </span>    <span class="muComment"># otherwise delete current word and move to end of prev word</span>
+<span id="L406" class="LineNr"> 406 </span>    <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L407" class="LineNr"> 407 </span>    <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L408" class="LineNr"> 408 </span>    <span class="Delimiter">{</span>
+<span id="L409" class="LineNr"> 409 </span>      compare prev-word, <span class="Constant">0</span>
+<span id="L410" class="LineNr"> 410 </span>      <span class="PreProc">break-if-=</span>
+<span id="L411" class="LineNr"> 411 </span>      cursor-to-end prev-word
+<span id="L412" class="LineNr"> 412 </span>      delete-next prev-word
+<span id="L413" class="LineNr"> 413 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L414" class="LineNr"> 414 </span>      decrement-final-element cursor-call-path
+<span id="L415" class="LineNr"> 415 </span>    <span class="Delimiter">}</span>
+<span id="L416" class="LineNr"> 416 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L417" class="LineNr"> 417 </span>  <span class="Delimiter">}</span>
+<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> cursor-at-start? cursor-word
+<span id="L425" class="LineNr"> 425 </span>      compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L426" class="LineNr"> 426 </span>      <span class="PreProc">break-if-=</span>
+<span id="L427" class="LineNr"> 427 </span>      <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, prev
+<span id="L428" class="LineNr"> 428 </span>      append-word prev-word-ah
+<span id="L429" class="LineNr"> 429 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L430" class="LineNr"> 430 </span>      decrement-final-element cursor-call-path
+<span id="L431" class="LineNr"> 431 </span>      <span class="PreProc">break</span> $process-sandbox:body
+<span id="L432" class="LineNr"> 432 </span>    <span class="Delimiter">}</span>
+<span id="L433" class="LineNr"> 433 </span>    <span class="muComment"># if start of word is quote and grapheme before cursor is not, just insert it as usual</span>
+<span id="L434" class="LineNr"> 434 </span>    <span class="muComment"># TODO: support string escaping</span>
+<span id="L435" class="LineNr"> 435 </span>    <span class="Delimiter">{</span>
+<span id="L436" class="LineNr"> 436 </span>      <span class="PreProc">var</span> first-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> first-grapheme cursor-word
+<span id="L437" class="LineNr"> 437 </span>      compare first-grapheme, <span class="Constant">0x22</span>  <span class="muComment"># double quote</span>
+<span id="L438" class="LineNr"> 438 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L439" class="LineNr"> 439 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> grapheme-before-cursor cursor-word
+<span id="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> first-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> first-grapheme cursor-word
+<span id="L448" class="LineNr"> 448 </span>      compare first-grapheme, <span class="Constant">0x5b</span>  <span class="muComment"># '['</span>
+<span id="L449" class="LineNr"> 449 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L450" class="LineNr"> 450 </span>      <span class="PreProc">var</span> final-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> grapheme-before-cursor cursor-word
+<span id="L451" class="LineNr"> 451 </span>      compare final-grapheme, <span class="Constant">0x5d</span>  <span class="muComment"># ']'</span>
+<span id="L452" class="LineNr"> 452 </span>      <span class="PreProc">break-if-=</span>
+<span id="L453" class="LineNr"> 453 </span>      <span class="PreProc">break</span> $process-sandbox:space
+<span id="L454" class="LineNr"> 454 </span>    <span class="Delimiter">}</span>
+<span id="L455" class="LineNr"> 455 </span>    <span class="muComment"># otherwise insert word after and move cursor to it for the next key</span>
+<span id="L456" class="LineNr"> 456 </span>    <span class="muComment"># (but we'll continue to track the current cursor-word for the rest of this function)</span>
+<span id="L457" class="LineNr"> 457 </span>    append-word cursor-word-ah
+<span id="L458" class="LineNr"> 458 </span>    <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L459" class="LineNr"> 459 </span>    increment-final-element cursor-call-path
+<span id="L460" class="LineNr"> 460 </span>    <span class="muComment"># if cursor is at end of word, that's all</span>
+<span id="L461" class="LineNr"> 461 </span>    <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-end? cursor-word
+<span id="L462" class="LineNr"> 462 </span>    compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L463" class="LineNr"> 463 </span>    <span class="PreProc">break-if-!=</span> $process-sandbox:body
+<span id="L464" class="LineNr"> 464 </span>    <span class="muComment"># otherwise we're in the middle of a word</span>
+<span id="L465" class="LineNr"> 465 </span>    <span class="muComment"># move everything after cursor to the (just created) next word</span>
+<span id="L466" class="LineNr"> 466 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-word, next
+<span id="L467" class="LineNr"> 467 </span>    <span class="PreProc">var</span> _next-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L468" class="LineNr"> 468 </span>    <span class="PreProc">var</span> <a href='../../127next-word.subx.html#L10'>next-word</a>/<span class="Constant">ebx</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _next-word
+<span id="L469" class="LineNr"> 469 </span>    <span class="Delimiter">{</span>
+<span id="L470" class="LineNr"> 470 </span>      <span class="PreProc">var</span> at-end?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-end? cursor-word
+<span id="L471" class="LineNr"> 471 </span>      compare at-end?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L472" class="LineNr"> 472 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L473" class="LineNr"> 473 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> pop-after-cursor cursor-word
+<span id="L474" class="LineNr"> 474 </span>      add-grapheme-to-word <a href='../../127next-word.subx.html#L10'>next-word</a>, g
+<span id="L475" class="LineNr"> 475 </span>      <span class="PreProc">loop</span>
+<span id="L476" class="LineNr"> 476 </span>    <span class="Delimiter">}</span>
+<span id="L477" class="LineNr"> 477 </span>    cursor-to-start <a href='../../127next-word.subx.html#L10'>next-word</a>
+<span id="L478" class="LineNr"> 478 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L479" class="LineNr"> 479 </span>  <span class="Delimiter">}</span>
+<span id="L480" class="LineNr"> 480 </span>  compare key, <span class="Constant">0xe</span>  <span class="muComment"># ctrl-n</span>
+<span id="L481" class="LineNr"> 481 </span>  $process:rename-word: <span class="Delimiter">{</span>
+<span id="L482" class="LineNr"> 482 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L483" class="LineNr"> 483 </span>    <span class="muComment"># TODO: ensure current word is not a function</span>
+<span id="L484" class="LineNr"> 484 </span>    <span class="muComment"># rename word at cursor</span>
+<span id="L485" class="LineNr"> 485 </span>    <span class="PreProc">var</span> new-name-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
+<span id="L486" class="LineNr"> 486 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
+<span id="L487" class="LineNr"> 487 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L488" class="LineNr"> 488 </span>    initialize-word new-name
+<span id="L489" class="LineNr"> 489 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L490" class="LineNr"> 490 </span>  <span class="Delimiter">}</span>
+<span id="L491" class="LineNr"> 491 </span>  compare key, <span class="Constant">4</span>  <span class="muComment"># ctrl-d</span>
+<span id="L492" class="LineNr"> 492 </span>  $process:define-function: <span class="Delimiter">{</span>
+<span id="L493" class="LineNr"> 493 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L494" class="LineNr"> 494 </span>    <span class="muComment"># define function out of line at cursor</span>
+<span id="L495" class="LineNr"> 495 </span>    <span class="PreProc">var</span> new-name-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
+<span id="L496" class="LineNr"> 496 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-name-ah
+<span id="L497" class="LineNr"> 497 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L498" class="LineNr"> 498 </span>    initialize-word new-name
+<span id="L499" class="LineNr"> 499 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L500" class="LineNr"> 500 </span>  <span class="Delimiter">}</span>
+<span id="L501" class="LineNr"> 501 </span>  <span class="muComment"># otherwise insert key within current word</span>
+<span id="L502" class="LineNr"> 502 </span>  <span class="PreProc">var</span> g/<span class="Constant">edx</span>: grapheme <span class="SpecialChar">&lt;-</span> copy key
+<span id="L503" class="LineNr"> 503 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1569'>real-grapheme?</a> key
+<span id="L504" class="LineNr"> 504 </span>  $process-sandbox:real-grapheme: <span class="Delimiter">{</span>
+<span id="L505" class="LineNr"> 505 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L506" class="LineNr"> 506 </span>    <span class="PreProc">break-if-=</span>
+<span id="L507" class="LineNr"> 507 </span>    add-grapheme-to-word cursor-word, g
+<span id="L508" class="LineNr"> 508 </span>    <span class="PreProc">break</span> $process-sandbox:body
+<span id="L509" class="LineNr"> 509 </span>  <span class="Delimiter">}</span>
+<span id="L510" class="LineNr"> 510 </span>  <span class="muComment"># silently ignore other hotkeys</span>
+<span id="L511" class="LineNr"> 511 </span><span class="Delimiter">}</span>
+<span id="L512" class="LineNr"> 512 </span><span class="Delimiter">}</span>
+<span id="L513" class="LineNr"> 513 </span>
+<span id="L514" class="LineNr"> 514 </span><span class="muComment"># collect new name in partial-name-for-cursor-word, and then rename the word</span>
+<span id="L515" class="LineNr"> 515 </span><span class="muComment"># at cursor to it</span>
+<span id="L516" class="LineNr"> 516 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
+<span id="L517" class="LineNr"> 517 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L517'>process-sandbox-rename</a></span> _sandbox: (addr sandbox), key: grapheme <span class="Delimiter">{</span>
+<span id="L518" class="LineNr"> 518 </span>$process-sandbox-rename:body: <span class="Delimiter">{</span>
+<span id="L519" class="LineNr"> 519 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L520" class="LineNr"> 520 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
+<span id="L521" class="LineNr"> 521 </span>  <span class="muComment"># if 'esc' pressed, cancel rename</span>
+<span id="L522" class="LineNr"> 522 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
+<span id="L523" class="LineNr"> 523 </span>  $process-sandbox-rename:cancel: <span class="Delimiter">{</span>
+<span id="L524" class="LineNr"> 524 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L525" class="LineNr"> 525 </span>    <span class="PreProc">var</span> empty: (handle word)
+<span id="L526" class="LineNr"> 526 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty, new-name-ah
+<span id="L527" class="LineNr"> 527 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
+<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 line)
+<span id="L536" class="LineNr"> 536 </span>    <span class="PreProc">var</span> new-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address new-line-h
+<span id="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 line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-line-ah
+<span id="L539" class="LineNr"> 539 </span>    initialize-line 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 word) <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 call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L544" class="LineNr"> 544 </span>      <span class="PreProc">var</span> cursor/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-ah
+<span id="L545" class="LineNr"> 545 </span>      <span class="PreProc">var</span> word-at-cursor-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor, word
+<span id="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>      move-word-contents 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>      copy-word-contents-before-cursor 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 word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L577" class="LineNr"> 577 </span>      cursor-to-start new-name
+<span id="L578" class="LineNr"> 578 </span>      add-grapheme-to-word 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>    chain-words 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 line) <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 line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, 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>    <span class="PreProc">var</span> empty: (handle word)
+<span id="L590" class="LineNr"> 590 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty, new-name-ah
+<span id="L591" class="LineNr"> 591 </span><span class="CommentedCode">#?     # XXX</span>
+<span id="L592" class="LineNr"> 592 </span><span class="CommentedCode">#?     var cursor-ah/eax: (addr handle call-path-element) &lt;- get sandbox, cursor-call-path</span>
+<span id="L593" class="LineNr"> 593 </span><span class="CommentedCode">#?     var cursor/eax: (addr call-path-element) &lt;- lookup *cursor-ah</span>
+<span id="L594" class="LineNr"> 594 </span><span class="CommentedCode">#?     var word-at-cursor-ah/eax: (addr handle word) &lt;- get cursor, word</span>
+<span id="L595" class="LineNr"> 595 </span><span class="CommentedCode">#?     print-string 0, &quot;cursor after rename: &quot;</span>
+<span id="L596" class="LineNr"> 596 </span><span class="CommentedCode">#?     {</span>
+<span id="L597" class="LineNr"> 597 </span><span class="CommentedCode">#?       var cursor-word/eax: (addr word) &lt;- lookup *word-at-cursor-ah</span>
+<span id="L598" class="LineNr"> 598 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
+<span id="L599" class="LineNr"> 599 </span><span class="CommentedCode">#?       print-string 0, &quot; -- &quot;</span>
+<span id="L600" class="LineNr"> 600 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy cursor-word</span>
+<span id="L601" class="LineNr"> 601 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
+<span id="L602" class="LineNr"> 602 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L603" class="LineNr"> 603 </span><span class="CommentedCode">#?     }</span>
+<span id="L604" class="LineNr"> 604 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
+<span id="L605" class="LineNr"> 605 </span>  <span class="Delimiter">}</span>
+<span id="L606" class="LineNr"> 606 </span>  <span class="muComment">#</span>
+<span id="L607" class="LineNr"> 607 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
+<span id="L608" class="LineNr"> 608 </span>  $process-sandbox-rename:backspace: <span class="Delimiter">{</span>
+<span id="L609" class="LineNr"> 609 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L610" class="LineNr"> 610 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
+<span id="L611" class="LineNr"> 611 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L612" class="LineNr"> 612 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? new-name
+<span id="L613" class="LineNr"> 613 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L614" class="LineNr"> 614 </span>    <span class="Delimiter">{</span>
+<span id="L615" class="LineNr"> 615 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L616" class="LineNr"> 616 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L617" class="LineNr"> 617 </span>      delete-before-cursor new-name
+<span id="L618" class="LineNr"> 618 </span>    <span class="Delimiter">}</span>
+<span id="L619" class="LineNr"> 619 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
+<span id="L620" class="LineNr"> 620 </span>  <span class="Delimiter">}</span>
+<span id="L621" class="LineNr"> 621 </span>  <span class="muComment"># otherwise insert key within current word</span>
+<span id="L622" class="LineNr"> 622 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1569'>real-grapheme?</a> key
+<span id="L623" class="LineNr"> 623 </span>  $process-sandbox-rename:real-grapheme: <span class="Delimiter">{</span>
+<span id="L624" class="LineNr"> 624 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L625" class="LineNr"> 625 </span>    <span class="PreProc">break-if-=</span>
+<span id="L626" class="LineNr"> 626 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L627" class="LineNr"> 627 </span>    add-grapheme-to-word new-name, key
+<span id="L628" class="LineNr"> 628 </span>    <span class="PreProc">break</span> $process-sandbox-rename:body
+<span id="L629" class="LineNr"> 629 </span>  <span class="Delimiter">}</span>
+<span id="L630" class="LineNr"> 630 </span>  <span class="muComment"># silently ignore other hotkeys</span>
+<span id="L631" class="LineNr"> 631 </span><span class="Delimiter">}</span>
+<span id="L632" class="LineNr"> 632 </span><span class="Delimiter">}</span>
+<span id="L633" class="LineNr"> 633 </span>
+<span id="L634" class="LineNr"> 634 </span><span class="muComment"># collect new name in partial-name-for-function, and then define the last line</span>
+<span id="L635" class="LineNr"> 635 </span><span class="muComment"># of the sandbox to be a new function with that name. Replace the last line</span>
+<span id="L636" class="LineNr"> 636 </span><span class="muComment"># with a call to the appropriate function.</span>
+<span id="L637" class="LineNr"> 637 </span><span class="muComment"># Precondition: cursor-call-path is a singleton (not within a call)</span>
+<span id="L638" class="LineNr"> 638 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L638'>process-sandbox-define</a></span> _sandbox: (addr sandbox), functions: (addr handle function), key: grapheme <span class="Delimiter">{</span>
+<span id="L639" class="LineNr"> 639 </span>$process-sandbox-define:body: <span class="Delimiter">{</span>
+<span id="L640" class="LineNr"> 640 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L641" class="LineNr"> 641 </span>  <span class="PreProc">var</span> new-name-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
+<span id="L642" class="LineNr"> 642 </span>  <span class="muComment"># if 'esc' pressed, cancel define</span>
+<span id="L643" class="LineNr"> 643 </span>  compare key, <span class="Constant">0x1b</span>  <span class="muComment"># esc</span>
+<span id="L644" class="LineNr"> 644 </span>  $process-sandbox-define:cancel: <span class="Delimiter">{</span>
+<span id="L645" class="LineNr"> 645 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L646" class="LineNr"> 646 </span>    <span class="PreProc">var</span> empty: (handle word)
+<span id="L647" class="LineNr"> 647 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty, new-name-ah
+<span id="L648" class="LineNr"> 648 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
+<span id="L649" class="LineNr"> 649 </span>  <span class="Delimiter">}</span>
+<span id="L650" class="LineNr"> 650 </span>  <span class="muComment"># if 'enter' pressed, perform define</span>
+<span id="L651" class="LineNr"> 651 </span>  compare key, <span class="Constant">0xa</span>  <span class="muComment"># enter</span>
+<span id="L652" class="LineNr"> 652 </span>  $process-sandbox-define:commit: <span class="Delimiter">{</span>
+<span id="L653" class="LineNr"> 653 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L654" class="LineNr"> 654 </span><span class="CommentedCode">#?     print-string 0, &quot;define\n&quot;</span>
+<span id="L655" class="LineNr"> 655 </span>    <span class="muComment"># create new function</span>
+<span id="L656" class="LineNr"> 656 </span>    <span class="PreProc">var</span> new-function: (handle function)
+<span id="L657" class="LineNr"> 657 </span>    <span class="PreProc">var</span> new-function-ah/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address new-function
+<span id="L658" class="LineNr"> 658 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> new-function-ah
+<span id="L659" class="LineNr"> 659 </span>    <span class="PreProc">var</span> _new-function/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-function-ah
+<span id="L660" class="LineNr"> 660 </span>    <span class="PreProc">var</span> new-function/<span class="Constant">ebx</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _new-function
+<span id="L661" class="LineNr"> 661 </span>    <span class="PreProc">var</span> dest/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, next
+<span id="L662" class="LineNr"> 662 </span>    copy-object functions, dest
+<span id="L663" class="LineNr"> 663 </span>    copy-object new-function-ah, functions
+<span id="L664" class="LineNr"> 664 </span>    <span class="muComment"># set function name to new-name</span>
+<span id="L665" class="LineNr"> 665 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L666" class="LineNr"> 666 </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="L667" class="LineNr"> 667 </span>    word-to-string new-name, dest
+<span id="L668" class="LineNr"> 668 </span>    <span class="muComment"># move final line to body</span>
+<span id="L669" class="LineNr"> 669 </span>    <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> new-function, body
+<span id="L670" class="LineNr"> 670 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> body-ah
+<span id="L671" class="LineNr"> 671 </span>    <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
+<span id="L672" class="LineNr"> 672 </span>    <span class="PreProc">var</span> body-contents/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
+<span id="L673" class="LineNr"> 673 </span>    <span class="PreProc">var</span> final-line-storage: (handle line)
+<span id="L674" class="LineNr"> 674 </span>    <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address final-line-storage
+<span id="L675" class="LineNr"> 675 </span>    <a href='environment.mu.html#L1076'>final-line</a> sandbox, final-line-ah
+<span id="L676" class="LineNr"> 676 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1076'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L677" class="LineNr"> 677 </span>    <span class="PreProc">var</span> final-line-contents/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1076'>final-line</a>, data
+<span id="L678" class="LineNr"> 678 </span>    copy-object final-line-contents, body-contents
+<span id="L679" class="LineNr"> 679 </span>    <span class="muComment">#</span>
+<span id="L680" class="LineNr"> 680 </span>    <a href='environment.mu.html#L726'>copy-unbound-words-to-args</a> functions
+<span id="L681" class="LineNr"> 681 </span>    <span class="muComment">#</span>
+<span id="L682" class="LineNr"> 682 </span>    <span class="PreProc">var</span> empty-word: (handle word)
+<span id="L683" class="LineNr"> 683 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, final-line-contents
+<span id="L684" class="LineNr"> 684 </span>    <a href='environment.mu.html#L865'>construct-call</a> functions, final-line-contents
+<span id="L685" class="LineNr"> 685 </span>    <span class="muComment"># clear partial-name-for-function</span>
+<span id="L686" class="LineNr"> 686 </span>    <span class="PreProc">var</span> empty-word: (handle word)
+<span id="L687" class="LineNr"> 687 </span>    <a href='../../120allocate.subx.html#L489'>copy-handle</a> empty-word, new-name-ah
+<span id="L688" class="LineNr"> 688 </span>    <span class="muComment"># update cursor</span>
+<span id="L689" class="LineNr"> 689 </span>    <span class="PreProc">var</span> <a href='environment.mu.html#L1076'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> final-line-storage
+<span id="L690" class="LineNr"> 690 </span>    <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L691" class="LineNr"> 691 </span>    <a href='../../120allocate.subx.html#L66'>allocate</a> cursor-call-path-ah  <span class="muComment"># leak</span>
+<span id="L692" class="LineNr"> 692 </span>    initialize-path-from-line <a href='environment.mu.html#L1076'>final-line</a>, cursor-call-path-ah
+<span id="L693" class="LineNr"> 693 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
+<span id="L694" class="LineNr"> 694 </span>  <span class="Delimiter">}</span>
+<span id="L695" class="LineNr"> 695 </span>  <span class="muComment">#</span>
+<span id="L696" class="LineNr"> 696 </span>  compare key, <span class="Constant">0x7f</span>  <span class="muComment"># del (backspace on Macs)</span>
+<span id="L697" class="LineNr"> 697 </span>  $process-sandbox-define:backspace: <span class="Delimiter">{</span>
+<span id="L698" class="LineNr"> 698 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L699" class="LineNr"> 699 </span>    <span class="muComment"># if not at start, delete grapheme before cursor</span>
+<span id="L700" class="LineNr"> 700 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L701" class="LineNr"> 701 </span>    <span class="PreProc">var</span> at-start?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> cursor-at-start? new-name
+<span id="L702" class="LineNr"> 702 </span>    compare at-start?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L703" class="LineNr"> 703 </span>    <span class="Delimiter">{</span>
+<span id="L704" class="LineNr"> 704 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L705" class="LineNr"> 705 </span>      <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L706" class="LineNr"> 706 </span>      delete-before-cursor new-name
+<span id="L707" class="LineNr"> 707 </span>    <span class="Delimiter">}</span>
+<span id="L708" class="LineNr"> 708 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
+<span id="L709" class="LineNr"> 709 </span>  <span class="Delimiter">}</span>
+<span id="L710" class="LineNr"> 710 </span>  <span class="muComment"># otherwise insert key within current word</span>
+<span id="L711" class="LineNr"> 711 </span>  <span class="PreProc">var</span> print?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1569'>real-grapheme?</a> key
+<span id="L712" class="LineNr"> 712 </span>  $process-sandbox-define:real-grapheme: <span class="Delimiter">{</span>
+<span id="L713" class="LineNr"> 713 </span>    compare print?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L714" class="LineNr"> 714 </span>    <span class="PreProc">break-if-=</span>
+<span id="L715" class="LineNr"> 715 </span>    <span class="PreProc">var</span> new-name/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *new-name-ah
+<span id="L716" class="LineNr"> 716 </span>    add-grapheme-to-word new-name, key
+<span id="L717" class="LineNr"> 717 </span>    <span class="PreProc">break</span> $process-sandbox-define:body
+<span id="L718" class="LineNr"> 718 </span>  <span class="Delimiter">}</span>
+<span id="L719" class="LineNr"> 719 </span>  <span class="muComment"># silently ignore other hotkeys</span>
+<span id="L720" class="LineNr"> 720 </span><span class="Delimiter">}</span>
+<span id="L721" class="LineNr"> 721 </span><span class="Delimiter">}</span>
+<span id="L722" class="LineNr"> 722 </span>
+<span id="L723" class="LineNr"> 723 </span><span class="muComment"># extract from the body of the first function in 'functions' all words that</span>
+<span id="L724" class="LineNr"> 724 </span><span class="muComment"># aren't defined in the rest of 'functions'. Prepend them in reverse order.</span>
+<span id="L725" class="LineNr"> 725 </span><span class="muComment"># Assumes function body is a single line for now.</span>
+<span id="L726" class="LineNr"> 726 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L726'>copy-unbound-words-to-args</a></span> _functions: (addr handle function) <span class="Delimiter">{</span>
+<span id="L727" class="LineNr"> 727 </span>  <span class="muComment"># target</span>
+<span id="L728" class="LineNr"> 728 </span>  <span class="PreProc">var</span> target-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _functions
+<span id="L729" class="LineNr"> 729 </span>  <span class="PreProc">var</span> _target/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *target-ah
+<span id="L730" class="LineNr"> 730 </span>  <span class="PreProc">var</span> target/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _target
+<span id="L731" class="LineNr"> 731 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, args
+<span id="L732" class="LineNr"> 732 </span>  <span class="muComment"># next</span>
+<span id="L733" class="LineNr"> 733 </span>  <span class="PreProc">var</span> functions-ah/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, next
+<span id="L734" class="LineNr"> 734 </span>  <span class="muComment"># src</span>
+<span id="L735" class="LineNr"> 735 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> target, body
+<span id="L736" class="LineNr"> 736 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L737" class="LineNr"> 737 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
+<span id="L738" class="LineNr"> 738 </span>  <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
+<span id="L739" class="LineNr"> 739 </span>  <span class="Delimiter">{</span>
+<span id="L740" class="LineNr"> 740 </span>    compare curr, <span class="Constant">0</span>
+<span id="L741" class="LineNr"> 741 </span>    <span class="PreProc">break-if-=</span>
+<span id="L742" class="LineNr"> 742 </span>    $copy-unbound-words-to-args:loop-iter: <span class="Delimiter">{</span>
+<span id="L743" class="LineNr"> 743 </span>      <span class="muComment"># is it a number?</span>
+<span id="L744" class="LineNr"> 744 </span>      <span class="Delimiter">{</span>
+<span id="L745" class="LineNr"> 745 </span>        <span class="PreProc">var</span> is-int?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> word-is-decimal-integer? curr
+<span id="L746" class="LineNr"> 746 </span>        compare is-int?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L747" class="LineNr"> 747 </span>        <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
+<span id="L748" class="LineNr"> 748 </span>      <span class="Delimiter">}</span>
+<span id="L749" class="LineNr"> 749 </span>      <span class="muComment"># is it a pre-existing function?</span>
+<span id="L750" class="LineNr"> 750 </span>      <span class="PreProc">var</span> bound?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L770'>bound-function?</a> curr, functions-ah
+<span id="L751" class="LineNr"> 751 </span>      compare bound?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L752" class="LineNr"> 752 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L753" class="LineNr"> 753 </span>      <span class="muComment"># is it already bound as an arg?</span>
+<span id="L754" class="LineNr"> 754 </span>      <span class="PreProc">var</span> dup?/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L856'>arg-exists?</a> _functions, curr  <span class="muComment"># _functions = target-ah</span>
+<span id="L755" class="LineNr"> 755 </span>      compare dup?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L756" class="LineNr"> 756 </span>      <span class="PreProc">break-if-!=</span> $copy-unbound-words-to-args:loop-iter
+<span id="L757" class="LineNr"> 757 </span>      <span class="muComment"># push copy of curr before dest-ah</span>
+<span id="L758" class="LineNr"> 758 </span>      <span class="PreProc">var</span> rest-h: (handle word)
+<span id="L759" class="LineNr"> 759 </span>      <span class="PreProc">var</span> rest-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> address rest-h
+<span id="L760" class="LineNr"> 760 </span>      copy-object dest-ah, rest-ah
+<span id="L761" class="LineNr"> 761 </span>      copy-word curr, dest-ah
+<span id="L762" class="LineNr"> 762 </span>      chain-words dest-ah, rest-ah
+<span id="L763" class="LineNr"> 763 </span>    <span class="Delimiter">}</span>
+<span id="L764" class="LineNr"> 764 </span>    <span class="PreProc">var</span> next-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
+<span id="L765" class="LineNr"> 765 </span>    curr <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-ah
+<span id="L766" class="LineNr"> 766 </span>    <span class="PreProc">loop</span>
+<span id="L767" class="LineNr"> 767 </span>  <span class="Delimiter">}</span>
+<span id="L768" class="LineNr"> 768 </span><span class="Delimiter">}</span>
+<span id="L769" class="LineNr"> 769 </span>
+<span id="L770" class="LineNr"> 770 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L770'>bound-function?</a></span> w: (addr word), functions-ah: (addr handle function)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
+<span id="L771" class="LineNr"> 771 </span>  <span class="PreProc">var</span> result/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L772" class="LineNr"> 772 </span>  <span class="Delimiter">{</span>
+<span id="L773" class="LineNr"> 773 </span>    <span class="muComment">## numbers</span>
+<span id="L774" class="LineNr"> 774 </span>    <span class="muComment"># if w == &quot;+&quot; return true</span>
+<span id="L775" class="LineNr"> 775 </span>    <span class="PreProc">var</span> subresult/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;+&quot;</span>
 <span id="L776" class="LineNr"> 776 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
 <span id="L777" class="LineNr"> 777 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L778" class="LineNr"> 778 </span>    <span class="muComment"># if w == &quot;len&quot; return true</span>
-<span id="L779" class="LineNr"> 779 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;len&quot;</span>
+<span id="L778" class="LineNr"> 778 </span>    <span class="muComment"># if w == &quot;-&quot; return true</span>
+<span id="L779" class="LineNr"> 779 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;-&quot;</span>
 <span id="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;open&quot; return true</span>
-<span id="L783" class="LineNr"> 783 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;open&quot;</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> word-equal? 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;read&quot; return true</span>
-<span id="L787" class="LineNr"> 787 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;read&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;slurp&quot; return true</span>
-<span id="L791" class="LineNr"> 791 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;slurp&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;lines&quot; return true</span>
-<span id="L795" class="LineNr"> 795 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;lines&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;dup&quot; return true</span>
-<span id="L799" class="LineNr"> 799 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;dup&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;swap&quot; return true</span>
-<span id="L803" class="LineNr"> 803 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;swap&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"># return w in functions</span>
-<span id="L807" class="LineNr"> 807 </span>    <span class="PreProc">var</span> out-h: (handle function)
-<span id="L808" class="LineNr"> 808 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address out-h
-<span id="L809" class="LineNr"> 809 </span>    <a href='environment.mu.html#L1342'>callee</a> functions-ah, w, out
-<span id="L810" class="LineNr"> 810 </span>    <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *out
-<span id="L811" class="LineNr"> 811 </span>    result <span class="SpecialChar">&lt;-</span> copy found?
-<span id="L812" class="LineNr"> 812 </span>  <span class="Delimiter">}</span>
-<span id="L813" class="LineNr"> 813 </span>  <span class="PreProc">return</span> result
-<span id="L814" class="LineNr"> 814 </span><span class="Delimiter">}</span>
-<span id="L815" class="LineNr"> 815 </span>
-<span id="L816" class="LineNr"> 816 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L816'>arg-exists?</a></span> _f-ah: (addr handle function), arg: (addr word)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
-<span id="L817" class="LineNr"> 817 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _f-ah
-<span id="L818" class="LineNr"> 818 </span>  <span class="PreProc">var</span> f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
-<span id="L819" class="LineNr"> 819 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
-<span id="L820" class="LineNr"> 820 </span>  <span class="PreProc">var</span> result/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> word-exists? args-ah, arg
-<span id="L821" class="LineNr"> 821 </span>  <span class="PreProc">return</span> result
-<span id="L822" class="LineNr"> 822 </span><span class="Delimiter">}</span>
-<span id="L823" class="LineNr"> 823 </span>
-<span id="L824" class="LineNr"> 824 </span><span class="muComment"># construct a call to `f` with copies of exactly its args</span>
-<span id="L825" class="LineNr"> 825 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L825'>construct-call</a></span> _f-ah: (addr handle function), _dest-ah: (addr handle word) <span class="Delimiter">{</span>
-<span id="L826" class="LineNr"> 826 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _f-ah
-<span id="L827" class="LineNr"> 827 </span>  <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
-<span id="L828" class="LineNr"> 828 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _f
-<span id="L829" class="LineNr"> 829 </span>  <span class="muComment"># append args in reverse</span>
-<span id="L830" class="LineNr"> 830 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
-<span id="L831" class="LineNr"> 831 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> copy _dest-ah
-<span id="L832" class="LineNr"> 832 </span>  copy-words-in-reverse args-ah, dest-ah
-<span id="L833" class="LineNr"> 833 </span>  <span class="muComment"># append name</span>
-<span id="L834" class="LineNr"> 834 </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="L835" class="LineNr"> 835 </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="L836" class="LineNr"> 836 </span>  append-word-at-end-with dest-ah, name
-<span id="L837" class="LineNr"> 837 </span><span class="Delimiter">}</span>
-<span id="L838" class="LineNr"> 838 </span>
-<span id="L839" class="LineNr"> 839 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L839'>word-index</a></span> _words: (addr handle word), _n: int, out: (addr handle word) <span class="Delimiter">{</span>
-<span id="L840" class="LineNr"> 840 </span>$word-index:body: <span class="Delimiter">{</span>
-<span id="L841" class="LineNr"> 841 </span>  <span class="PreProc">var</span> n/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy _n
-<span id="L842" class="LineNr"> 842 </span>  <span class="Delimiter">{</span>
-<span id="L843" class="LineNr"> 843 </span>    compare n, <span class="Constant">0</span>
-<span id="L844" class="LineNr"> 844 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L845" class="LineNr"> 845 </span>    copy-object _words, out
-<span id="L846" class="LineNr"> 846 </span>    <span class="PreProc">break</span> $word-index:body
-<span id="L847" class="LineNr"> 847 </span>  <span class="Delimiter">}</span>
-<span id="L848" class="LineNr"> 848 </span>  <span class="PreProc">var</span> words-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> copy _words
-<span id="L849" class="LineNr"> 849 </span>  <span class="PreProc">var</span> words/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *words-ah
-<span id="L850" class="LineNr"> 850 </span>  <span class="PreProc">var</span> next/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> words, next
-<span id="L851" class="LineNr"> 851 </span>  n <span class="SpecialChar">&lt;-</span> decrement
-<span id="L852" class="LineNr"> 852 </span>  <a href='environment.mu.html#L839'>word-index</a> next, n, out
-<span id="L853" class="LineNr"> 853 </span><span class="Delimiter">}</span>
+<span id="L786" class="LineNr"> 786 </span>    <span class="muComment">## strings/arrays</span>
+<span id="L787" class="LineNr"> 787 </span>    <span class="muComment"># if w == &quot;len&quot; return true</span>
+<span id="L788" class="LineNr"> 788 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;len&quot;</span>
+<span id="L789" class="LineNr"> 789 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L790" class="LineNr"> 790 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L791" class="LineNr"> 791 </span>    <span class="muComment">## files</span>
+<span id="L792" class="LineNr"> 792 </span>    <span class="muComment"># if w == &quot;open&quot; return true</span>
+<span id="L793" class="LineNr"> 793 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;open&quot;</span>
+<span id="L794" class="LineNr"> 794 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L795" class="LineNr"> 795 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L796" class="LineNr"> 796 </span>    <span class="muComment"># if w == &quot;read&quot; return true</span>
+<span id="L797" class="LineNr"> 797 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;read&quot;</span>
+<span id="L798" class="LineNr"> 798 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L799" class="LineNr"> 799 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L800" class="LineNr"> 800 </span>    <span class="muComment"># if w == &quot;slurp&quot; return true</span>
+<span id="L801" class="LineNr"> 801 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;slurp&quot;</span>
+<span id="L802" class="LineNr"> 802 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L803" class="LineNr"> 803 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L804" class="LineNr"> 804 </span>    <span class="muComment"># if w == &quot;lines&quot; return true</span>
+<span id="L805" class="LineNr"> 805 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;lines&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">## screens</span>
+<span id="L809" class="LineNr"> 809 </span>    <span class="muComment"># if w == &quot;fake-screen&quot; return true</span>
+<span id="L810" class="LineNr"> 810 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;fake-screen&quot;</span>
+<span id="L811" class="LineNr"> 811 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L812" class="LineNr"> 812 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L813" class="LineNr"> 813 </span>    <span class="muComment"># if w == &quot;print&quot; return true</span>
+<span id="L814" class="LineNr"> 814 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;print&quot;</span>
+<span id="L815" class="LineNr"> 815 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L816" class="LineNr"> 816 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L817" class="LineNr"> 817 </span>    <span class="muComment"># if w == &quot;move&quot; return true</span>
+<span id="L818" class="LineNr"> 818 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;move&quot;</span>
+<span id="L819" class="LineNr"> 819 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L820" class="LineNr"> 820 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L821" class="LineNr"> 821 </span>    <span class="muComment"># if w == &quot;up&quot; return true</span>
+<span id="L822" class="LineNr"> 822 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;up&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;down&quot; return true</span>
+<span id="L826" class="LineNr"> 826 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;down&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;left&quot; return true</span>
+<span id="L830" class="LineNr"> 830 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;left&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;right&quot; return true</span>
+<span id="L834" class="LineNr"> 834 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;right&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">## hacks</span>
+<span id="L838" class="LineNr"> 838 </span>    <span class="muComment"># if w == &quot;dup&quot; return true</span>
+<span id="L839" class="LineNr"> 839 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;dup&quot;</span>
+<span id="L840" class="LineNr"> 840 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L841" class="LineNr"> 841 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L842" class="LineNr"> 842 </span>    <span class="muComment"># if w == &quot;swap&quot; return true</span>
+<span id="L843" class="LineNr"> 843 </span>    subresult <span class="SpecialChar">&lt;-</span> word-equal? w, <span class="Constant">&quot;swap&quot;</span>
+<span id="L844" class="LineNr"> 844 </span>    compare subresult, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L845" class="LineNr"> 845 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L846" class="LineNr"> 846 </span>    <span class="muComment"># return w in functions</span>
+<span id="L847" class="LineNr"> 847 </span>    <span class="PreProc">var</span> out-h: (handle function)
+<span id="L848" class="LineNr"> 848 </span>    <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address out-h
+<span id="L849" class="LineNr"> 849 </span>    <a href='environment.mu.html#L1389'>callee</a> functions-ah, w, out
+<span id="L850" class="LineNr"> 850 </span>    <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *out
+<span id="L851" class="LineNr"> 851 </span>    result <span class="SpecialChar">&lt;-</span> copy found?
+<span id="L852" class="LineNr"> 852 </span>  <span class="Delimiter">}</span>
+<span id="L853" class="LineNr"> 853 </span>  <span class="PreProc">return</span> result
 <span id="L854" class="LineNr"> 854 </span><span class="Delimiter">}</span>
 <span id="L855" class="LineNr"> 855 </span>
-<span id="L856" class="LineNr"> 856 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L856'>toggle-cursor-word</a></span> _sandbox: (addr sandbox) <span class="Delimiter">{</span>
-<span id="L857" class="LineNr"> 857 </span>$toggle-cursor-word:body: <span class="Delimiter">{</span>
-<span id="L858" class="LineNr"> 858 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L859" class="LineNr"> 859 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
-<span id="L860" class="LineNr"> 860 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L861" class="LineNr"> 861 </span><span class="CommentedCode">#?   print-string 0, &quot;cursor call path: &quot;</span>
-<span id="L862" class="LineNr"> 862 </span><span class="CommentedCode">#?   dump-call-path-element 0, cursor-call-path</span>
-<span id="L863" class="LineNr"> 863 </span><span class="CommentedCode">#?   print-string 0, &quot;expanded words:\n&quot;</span>
-<span id="L864" class="LineNr"> 864 </span><span class="CommentedCode">#?   dump-call-paths 0, expanded-words</span>
-<span id="L865" class="LineNr"> 865 </span>  <span class="PreProc">var</span> already-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, cursor-call-path
-<span id="L866" class="LineNr"> 866 </span>  compare already-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L867" class="LineNr"> 867 </span>  <span class="Delimiter">{</span>
-<span id="L868" class="LineNr"> 868 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L869" class="LineNr"> 869 </span><span class="CommentedCode">#?     print-string 0, &quot;expand\n&quot;</span>
-<span id="L870" class="LineNr"> 870 </span>    <span class="muComment"># if not already-expanded, insert</span>
-<span id="L871" class="LineNr"> 871 </span>    insert-in-call-path expanded-words cursor-call-path
-<span id="L872" class="LineNr"> 872 </span><span class="CommentedCode">#?     print-string 0, &quot;expanded words now:\n&quot;</span>
-<span id="L873" class="LineNr"> 873 </span><span class="CommentedCode">#?     dump-call-paths 0, expanded-words</span>
-<span id="L874" class="LineNr"> 874 </span>    <span class="PreProc">break</span> $toggle-cursor-word:body
-<span id="L875" class="LineNr"> 875 </span>  <span class="Delimiter">}</span>
-<span id="L876" class="LineNr"> 876 </span>  <span class="Delimiter">{</span>
-<span id="L877" class="LineNr"> 877 </span>    <span class="PreProc">break-if-=</span>
-<span id="L878" class="LineNr"> 878 </span>    <span class="muComment"># otherwise delete</span>
-<span id="L879" class="LineNr"> 879 </span>    delete-in-call-path expanded-words cursor-call-path
-<span id="L880" class="LineNr"> 880 </span>  <span class="Delimiter">}</span>
-<span id="L881" class="LineNr"> 881 </span><span class="Delimiter">}</span>
-<span id="L882" class="LineNr"> 882 </span><span class="Delimiter">}</span>
-<span id="L883" class="LineNr"> 883 </span>
-<span id="L884" class="LineNr"> 884 </span><span class="muComment">#############</span>
-<span id="L885" class="LineNr"> 885 </span><span class="muComment"># Visualize</span>
-<span id="L886" class="LineNr"> 886 </span><span class="muComment">#############</span>
-<span id="L887" class="LineNr"> 887 </span>
-<span id="L888" class="LineNr"> 888 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L888'>evaluate-environment</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>), stack: (addr value-stack) <span class="Delimiter">{</span>
-<span id="L889" class="LineNr"> 889 </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="L890" class="LineNr"> 890 </span>  <span class="muComment"># functions</span>
-<span id="L891" class="LineNr"> 891 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
-<span id="L892" class="LineNr"> 892 </span>  <span class="muComment"># line</span>
-<span id="L893" class="LineNr"> 893 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">esi</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
-<span id="L894" class="LineNr"> 894 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
-<span id="L895" class="LineNr"> 895 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L896" class="LineNr"> 896 </span>  <span class="PreProc">var</span> _line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
-<span id="L897" class="LineNr"> 897 </span>  <span class="PreProc">var</span> line/<span class="Constant">esi</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
-<span id="L898" class="LineNr"> 898 </span>  evaluate functions, <span class="Constant">0</span>, line, <span class="Constant">0</span>, stack
-<span id="L899" class="LineNr"> 899 </span><span class="Delimiter">}</span>
-<span id="L900" class="LineNr"> 900 </span>
-<span id="L901" class="LineNr"> 901 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L901'>render</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
-<span id="L902" class="LineNr"> 902 </span><span class="CommentedCode">#?   print-string 0, &quot;==\n&quot;</span>
-<span id="L903" class="LineNr"> 903 </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="L904" class="LineNr"> 904 </span>  <a href='environment.mu.html#L1536'>clear-canvas</a> env
-<span id="L905" class="LineNr"> 905 </span>  <span class="muComment"># screen</span>
-<span id="L906" class="LineNr"> 906 </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="L907" class="LineNr"> 907 </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="L908" class="LineNr"> 908 </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="L909" class="LineNr"> 909 </span>  <span class="muComment"># repl-col</span>
-<span id="L910" class="LineNr"> 910 </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="L911" class="LineNr"> 911 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
-<span id="L912" class="LineNr"> 912 </span>  repl-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># repl-margin-left</span>
-<span id="L913" class="LineNr"> 913 </span>  <span class="muComment"># functions</span>
-<span id="L914" class="LineNr"> 914 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
-<span id="L915" class="LineNr"> 915 </span>  <span class="muComment"># sandbox</span>
-<span id="L916" class="LineNr"> 916 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
-<span id="L917" class="LineNr"> 917 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
-<span id="L918" class="LineNr"> 918 </span><span class="CommentedCode">#?   {</span>
-<span id="L919" class="LineNr"> 919 </span><span class="CommentedCode">#?     var line-ah/eax: (addr handle line) &lt;- get sandbox, data</span>
-<span id="L920" class="LineNr"> 920 </span><span class="CommentedCode">#?     var line/eax: (addr line) &lt;- lookup *line-ah</span>
-<span id="L921" class="LineNr"> 921 </span><span class="CommentedCode">#?     var first-word-ah/eax: (addr handle word) &lt;- get line, data</span>
-<span id="L922" class="LineNr"> 922 </span><span class="CommentedCode">#?     var curr-word/eax: (addr word) &lt;- lookup *first-word-ah</span>
-<span id="L923" class="LineNr"> 923 </span><span class="CommentedCode">#?     print-word 0, curr-word</span>
-<span id="L924" class="LineNr"> 924 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
-<span id="L925" class="LineNr"> 925 </span><span class="CommentedCode">#?   }</span>
-<span id="L926" class="LineNr"> 926 </span>  <span class="muComment"># bindings</span>
-<span id="L927" class="LineNr"> 927 </span>  <span class="PreProc">var</span> bindings-storage: table
-<span id="L928" class="LineNr"> 928 </span>  <span class="PreProc">var</span> bindings/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings-storage
-<span id="L929" class="LineNr"> 929 </span>  initialize-table bindings, <span class="Constant">0x10</span>
-<span id="L930" class="LineNr"> 930 </span>  <a href='environment.mu.html#L933'>render-sandbox</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, sandbox, <span class="Constant">3</span>, repl-col
-<span id="L931" class="LineNr"> 931 </span><span class="Delimiter">}</span>
-<span id="L932" class="LineNr"> 932 </span>
-<span id="L933" class="LineNr"> 933 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L933'>render-sandbox</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int <span class="Delimiter">{</span>
-<span id="L934" class="LineNr"> 934 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L935" class="LineNr"> 935 </span>  <span class="muComment"># line</span>
-<span id="L936" class="LineNr"> 936 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L937" class="LineNr"> 937 </span>  <span class="PreProc">var</span> _curr-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
-<span id="L938" class="LineNr"> 938 </span>  <span class="PreProc">var</span> curr-line/<span class="Constant">ecx</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _curr-line
-<span id="L939" class="LineNr"> 939 </span>  <span class="muComment">#</span>
-<span id="L940" class="LineNr"> 940 </span>  <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
-<span id="L941" class="LineNr"> 941 </span>  <span class="muComment"># cursor row, col</span>
-<span id="L942" class="LineNr"> 942 </span>  <span class="PreProc">var</span> cursor-row: int
-<span id="L943" class="LineNr"> 943 </span>  <span class="PreProc">var</span> cursor-row-addr: (addr int)
-<span id="L944" class="LineNr"> 944 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> address cursor-row
-<span id="L945" class="LineNr"> 945 </span>  copy-to cursor-row-addr, tmp
-<span id="L946" class="LineNr"> 946 </span>  <span class="PreProc">var</span> cursor-col: int
-<span id="L947" class="LineNr"> 947 </span>  <span class="PreProc">var</span> cursor-col-addr: (addr int)
-<span id="L948" class="LineNr"> 948 </span>  tmp <span class="SpecialChar">&lt;-</span> address cursor-col
-<span id="L949" class="LineNr"> 949 </span>  copy-to cursor-col-addr, tmp
-<span id="L950" class="LineNr"> 950 </span>  <span class="muComment"># render all but final line without stack</span>
-<span id="L951" class="LineNr"> 951 </span><span class="CommentedCode">#?   print-string 0, &quot;render all but final line\n&quot;</span>
-<span id="L952" class="LineNr"> 952 </span>  <span class="Delimiter">{</span>
-<span id="L953" class="LineNr"> 953 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
-<span id="L954" class="LineNr"> 954 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
-<span id="L955" class="LineNr"> 955 </span>    compare next-line, <span class="Constant">0</span>
-<span id="L956" class="LineNr"> 956 </span>    <span class="PreProc">break-if-=</span>
-<span id="L957" class="LineNr"> 957 </span>    <span class="Delimiter">{</span>
-<span id="L958" class="LineNr"> 958 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L959" class="LineNr"> 959 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L960" class="LineNr"> 960 </span>      <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L961" class="LineNr"> 961 </span>      <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L962" class="LineNr"> 962 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor 2: &quot;</span>
-<span id="L963" class="LineNr"> 963 </span><span class="CommentedCode">#?       {</span>
-<span id="L964" class="LineNr"> 964 </span><span class="CommentedCode">#?         print-word 0, cursor-word</span>
-<span id="L965" class="LineNr"> 965 </span><span class="CommentedCode">#?         print-string 0, &quot; -- &quot;</span>
-<span id="L966" class="LineNr"> 966 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
-<span id="L967" class="LineNr"> 967 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L968" class="LineNr"> 968 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L969" class="LineNr"> 969 </span><span class="CommentedCode">#?       }</span>
-<span id="L970" class="LineNr"> 970 </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="L971" class="LineNr"> 971 </span>      <a href='environment.mu.html#L1123'>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="L972" class="LineNr"> 972 </span>    <span class="Delimiter">}</span>
-<span id="L973" class="LineNr"> 973 </span>    curr-line <span class="SpecialChar">&lt;-</span> copy next-line
-<span id="L974" class="LineNr"> 974 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L975" class="LineNr"> 975 </span>    <span class="PreProc">loop</span>
-<span id="L976" class="LineNr"> 976 </span>  <span class="Delimiter">}</span>
-<span id="L977" class="LineNr"> 977 </span>  <span class="muComment">#</span>
-<span id="L978" class="LineNr"> 978 </span><span class="CommentedCode">#?   print-string 0, &quot;render final line\n&quot;</span>
-<span id="L979" class="LineNr"> 979 </span>  <a href='environment.mu.html#L986'>render-final-line-with-stack</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, sandbox, curr-row, left-col, cursor-row-addr, cursor-col-addr
-<span id="L980" class="LineNr"> 980 </span>  <span class="muComment"># at most one of the following dialogs will be rendered</span>
-<span id="L981" class="LineNr"> 981 </span>  <a href='environment.mu.html#L1038'>render-rename-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, sandbox, cursor-row, cursor-col
-<span id="L982" class="LineNr"> 982 </span>  <a href='environment.mu.html#L1080'>render-define-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, sandbox, cursor-row, cursor-col
-<span id="L983" class="LineNr"> 983 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, cursor-col
-<span id="L984" class="LineNr"> 984 </span><span class="Delimiter">}</span>
-<span id="L985" class="LineNr"> 985 </span>
-<span id="L986" class="LineNr"> 986 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L986'>render-final-line-with-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int, cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
-<span id="L987" class="LineNr"> 987 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L988" class="LineNr"> 988 </span>  <span class="muComment"># expanded-words</span>
-<span id="L989" class="LineNr"> 989 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
-<span id="L990" class="LineNr"> 990 </span>  <span class="muComment"># cursor-word</span>
-<span id="L991" class="LineNr"> 991 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L992" class="LineNr"> 992 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
-<span id="L993" class="LineNr"> 993 </span>  <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
-<span id="L994" class="LineNr"> 994 </span>  <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
-<span id="L995" class="LineNr"> 995 </span>  <span class="PreProc">var</span> cursor-word/<span class="Constant">ebx</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _cursor-word
-<span id="L996" class="LineNr"> 996 </span><span class="CommentedCode">#?   print-string 0, &quot;word at cursor: &quot;</span>
-<span id="L997" class="LineNr"> 997 </span><span class="CommentedCode">#?   print-word 0, cursor-word</span>
-<span id="L998" class="LineNr"> 998 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
-<span id="L999" class="LineNr"> 999 </span>  <span class="muComment"># cursor-call-path</span>
-<span id="L1000" class="LineNr">1000 </span>  <span class="PreProc">var</span> cursor-call-path: (addr handle call-path-element)
-<span id="L1001" class="LineNr">1001 </span>  <span class="Delimiter">{</span>
-<span id="L1002" class="LineNr">1002 </span>    <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L1003" class="LineNr">1003 </span>    copy-to cursor-call-path, src
-<span id="L1004" class="LineNr">1004 </span>  <span class="Delimiter">}</span>
-<span id="L1005" class="LineNr">1005 </span>  <span class="muComment"># first line</span>
-<span id="L1006" class="LineNr">1006 </span>  <span class="PreProc">var</span> first-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L1007" class="LineNr">1007 </span>  <span class="PreProc">var</span> _first-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-line-ah
-<span id="L1008" class="LineNr">1008 </span>  <span class="PreProc">var</span> first-line/<span class="Constant">edx</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _first-line
-<span id="L1009" class="LineNr">1009 </span>  <span class="muComment"># final line</span>
-<span id="L1010" class="LineNr">1010 </span>  <span class="PreProc">var</span> final-line-storage: (handle line)
-<span id="L1011" class="LineNr">1011 </span>  <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address final-line-storage
-<span id="L1012" class="LineNr">1012 </span>  <a href='environment.mu.html#L1023'>final-line</a> sandbox, final-line-ah
-<span id="L1013" class="LineNr">1013 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1023'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
-<span id="L1014" class="LineNr">1014 </span>  <span class="muComment"># curr-path</span>
-<span id="L1015" class="LineNr">1015 </span>  <span class="PreProc">var</span> curr-path-storage: (handle call-path-element)
-<span id="L1016" class="LineNr">1016 </span>  <span class="PreProc">var</span> curr-path/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> address curr-path-storage
-<span id="L1017" class="LineNr">1017 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> curr-path  <span class="muComment"># leak</span>
-<span id="L1018" class="LineNr">1018 </span>  initialize-path-from-line <a href='environment.mu.html#L1023'>final-line</a>, curr-path
-<span id="L1019" class="LineNr">1019 </span>  <span class="muComment">#</span>
-<span id="L1020" class="LineNr">1020 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1210'>render-line</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, first-line, <a href='environment.mu.html#L1023'>final-line</a>, expanded-words, top-row, left-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
-<span id="L1021" class="LineNr">1021 </span><span class="Delimiter">}</span>
-<span id="L1022" class="LineNr">1022 </span>
-<span id="L1023" class="LineNr">1023 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1023'>final-line</a></span> _sandbox: (addr sandbox), out: (addr handle line) <span class="Delimiter">{</span>
-<span id="L1024" class="LineNr">1024 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1025" class="LineNr">1025 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">ecx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
-<span id="L1026" class="LineNr">1026 </span>  <span class="Delimiter">{</span>
-<span id="L1027" class="LineNr">1027 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
-<span id="L1028" class="LineNr">1028 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
-<span id="L1029" class="LineNr">1029 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
-<span id="L1030" class="LineNr">1030 </span>    compare next-line, <span class="Constant">0</span>
-<span id="L1031" class="LineNr">1031 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1032" class="LineNr">1032 </span>    curr-line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
-<span id="L1033" class="LineNr">1033 </span>    <span class="PreProc">loop</span>
-<span id="L1034" class="LineNr">1034 </span>  <span class="Delimiter">}</span>
-<span id="L1035" class="LineNr">1035 </span>  copy-object curr-line-ah, out
-<span id="L1036" class="LineNr">1036 </span><span class="Delimiter">}</span>
-<span id="L1037" class="LineNr">1037 </span>
-<span id="L1038" class="LineNr">1038 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1038'>render-rename-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
-<span id="L1039" class="LineNr">1039 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1040" class="LineNr">1040 </span>  <span class="PreProc">var</span> rename-word-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
-<span id="L1041" class="LineNr">1041 </span>  <span class="PreProc">var</span> rename-word-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *rename-word-mode-ah?
-<span id="L1042" class="LineNr">1042 </span>  compare rename-word-mode?, <span class="Constant">0</span>
-<span id="L1043" class="LineNr">1043 </span>  <span class="PreProc">break-if-=</span>
-<span id="L1044" class="LineNr">1044 </span>  <span class="muComment"># clear a space for the dialog</span>
-<span id="L1045" class="LineNr">1045 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1046" class="LineNr">1046 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
-<span id="L1047" class="LineNr">1047 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1048" class="LineNr">1048 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
-<span id="L1049" class="LineNr">1049 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1050" class="LineNr">1050 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
-<span id="L1051" class="LineNr">1051 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1052" class="LineNr">1052 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
-<span id="L1053" class="LineNr">1053 </span>  clear-rect <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
-<span id="L1054" class="LineNr">1054 </span>  draw-box <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
-<span id="L1055" class="LineNr">1055 </span>  <span class="muComment"># render a little menu for the dialog</span>
-<span id="L1056" class="LineNr">1056 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
-<span id="L1057" class="LineNr">1057 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1058" class="LineNr">1058 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1059" class="LineNr">1059 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1060" class="LineNr">1060 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
-<span id="L1061" class="LineNr">1061 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1062" class="LineNr">1062 </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="L1063" class="LineNr">1063 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1064" class="LineNr">1064 </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="L1065" class="LineNr">1065 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1066" class="LineNr">1066 </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="L1067" class="LineNr">1067 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1068" class="LineNr">1068 </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="L1069" class="LineNr">1069 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
-<span id="L1070" class="LineNr">1070 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1071" class="LineNr">1071 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
-<span id="L1072" class="LineNr">1072 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1073" class="LineNr">1073 </span>  <span class="PreProc">var</span> cursor-index/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index word
-<span id="L1074" class="LineNr">1074 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract cursor-index
-<span id="L1075" class="LineNr">1075 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
-<span id="L1076" class="LineNr">1076 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1077" class="LineNr">1077 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, word
-<span id="L1078" class="LineNr">1078 </span><span class="Delimiter">}</span>
-<span id="L1079" class="LineNr">1079 </span>
-<span id="L1080" class="LineNr">1080 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1080'>render-define-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
-<span id="L1081" class="LineNr">1081 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1082" class="LineNr">1082 </span>  <span class="PreProc">var</span> define-function-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
-<span id="L1083" class="LineNr">1083 </span>  <span class="PreProc">var</span> define-function-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *define-function-mode-ah?
-<span id="L1084" class="LineNr">1084 </span>  compare define-function-mode?, <span class="Constant">0</span>
-<span id="L1085" class="LineNr">1085 </span>  <span class="PreProc">break-if-=</span>
-<span id="L1086" class="LineNr">1086 </span>  <span class="muComment"># clear a space for the dialog</span>
-<span id="L1087" class="LineNr">1087 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1088" class="LineNr">1088 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
-<span id="L1089" class="LineNr">1089 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
-<span id="L1090" class="LineNr">1090 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
-<span id="L1091" class="LineNr">1091 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1092" class="LineNr">1092 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
-<span id="L1093" class="LineNr">1093 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1094" class="LineNr">1094 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
-<span id="L1095" class="LineNr">1095 </span>  clear-rect <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
-<span id="L1096" class="LineNr">1096 </span>  draw-box <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
-<span id="L1097" class="LineNr">1097 </span>  <span class="muComment"># render a little menu for the dialog</span>
-<span id="L1098" class="LineNr">1098 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
-<span id="L1099" class="LineNr">1099 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
-<span id="L1100" class="LineNr">1100 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1101" class="LineNr">1101 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1102" class="LineNr">1102 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
-<span id="L1103" class="LineNr">1103 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1104" class="LineNr">1104 </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="L1105" class="LineNr">1105 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1106" class="LineNr">1106 </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="L1107" class="LineNr">1107 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1108" class="LineNr">1108 </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="L1109" class="LineNr">1109 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1110" class="LineNr">1110 </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="L1111" class="LineNr">1111 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
-<span id="L1112" class="LineNr">1112 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
-<span id="L1113" class="LineNr">1113 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
-<span id="L1114" class="LineNr">1114 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1115" class="LineNr">1115 </span>  <span class="PreProc">var</span> cursor-index/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index word
-<span id="L1116" class="LineNr">1116 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract cursor-index
-<span id="L1117" class="LineNr">1117 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
-<span id="L1118" class="LineNr">1118 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
-<span id="L1119" class="LineNr">1119 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, word
-<span id="L1120" class="LineNr">1120 </span><span class="Delimiter">}</span>
-<span id="L1121" class="LineNr">1121 </span>
-<span id="L1122" class="LineNr">1122 </span><span class="muComment"># Render just the words in 'line'.</span>
-<span id="L1123" class="LineNr">1123 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1123'>render-line-without-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _line: (addr line), curr-row: int, left-col: int, cursor-word: (addr word), cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
-<span id="L1124" class="LineNr">1124 </span>  <span class="muComment"># curr-word</span>
-<span id="L1125" class="LineNr">1125 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
-<span id="L1126" class="LineNr">1126 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
-<span id="L1127" class="LineNr">1127 </span>  <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
-<span id="L1128" class="LineNr">1128 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">esi</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _curr-word
-<span id="L1129" class="LineNr">1129 </span>  <span class="muComment">#</span>
-<span id="L1130" class="LineNr">1130 </span>  <span class="muComment"># loop-carried dependency</span>
-<span id="L1131" class="LineNr">1131 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1132" class="LineNr">1132 </span>  <span class="muComment">#</span>
-<span id="L1133" class="LineNr">1133 </span>  <span class="Delimiter">{</span>
-<span id="L1134" class="LineNr">1134 </span>    compare curr-word, <span class="Constant">0</span>
-<span id="L1135" class="LineNr">1135 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1136" class="LineNr">1136 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word in penultimate lines: &quot;</span>
-<span id="L1137" class="LineNr">1137 </span><span class="CommentedCode">#?     {</span>
-<span id="L1138" class="LineNr">1138 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
-<span id="L1139" class="LineNr">1139 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L1140" class="LineNr">1140 </span><span class="CommentedCode">#?     }</span>
-<span id="L1141" class="LineNr">1141 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
-<span id="L1142" class="LineNr">1142 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
-<span id="L1143" class="LineNr">1143 </span>    <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1144" class="LineNr">1144 </span>    <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, curr-col
-<span id="L1145" class="LineNr">1145 </span>    print-word <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
-<span id="L1146" class="LineNr">1146 </span>    <span class="Delimiter">{</span>
-<span id="L1147" class="LineNr">1147 </span>      <span class="PreProc">var</span> max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length curr-word
-<span id="L1148" class="LineNr">1148 </span>      curr-col <span class="SpecialChar">&lt;-</span> add max-width
-<span id="L1149" class="LineNr">1149 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
-<span id="L1150" class="LineNr">1150 </span>    <span class="Delimiter">}</span>
-<span id="L1151" class="LineNr">1151 </span>    <span class="muComment"># cache cursor column if necessary</span>
-<span id="L1152" class="LineNr">1152 </span>    <span class="Delimiter">{</span>
-<span id="L1153" class="LineNr">1153 </span>      compare curr-word, cursor-word
-<span id="L1154" class="LineNr">1154 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L1155" class="LineNr">1155 </span><span class="CommentedCode">#?       print-string 0, &quot;Cursor at &quot;</span>
-<span id="L1156" class="LineNr">1156 </span><span class="CommentedCode">#?       print-int32-decimal 0, curr-row</span>
-<span id="L1157" class="LineNr">1157 </span><span class="CommentedCode">#?       print-string 0, &quot;, &quot;</span>
-<span id="L1158" class="LineNr">1158 </span><span class="CommentedCode">#?       print-int32-decimal 0, old-col</span>
-<span id="L1159" class="LineNr">1159 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1160" class="LineNr">1160 </span><span class="CommentedCode">#?       print-string 0, &quot;contents: &quot;</span>
-<span id="L1161" class="LineNr">1161 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
-<span id="L1162" class="LineNr">1162 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1163" class="LineNr">1163 </span><span class="CommentedCode">#?       {</span>
-<span id="L1164" class="LineNr">1164 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
-<span id="L1165" class="LineNr">1165 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L1166" class="LineNr">1166 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
-<span id="L1167" class="LineNr">1167 </span><span class="CommentedCode">#?       }</span>
-<span id="L1168" class="LineNr">1168 </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="L1169" class="LineNr">1169 </span>      <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy curr-row
-<span id="L1170" class="LineNr">1170 </span>      copy-to *dest, src
-<span id="L1171" class="LineNr">1171 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
-<span id="L1172" class="LineNr">1172 </span>      copy-to *dest, old-col
-<span id="L1173" class="LineNr">1173 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index curr-word
-<span id="L1174" class="LineNr">1174 </span>      add-to *dest, cursor-index-in-word
-<span id="L1175" class="LineNr">1175 </span>    <span class="Delimiter">}</span>
-<span id="L1176" class="LineNr">1176 </span>    <span class="muComment"># loop update</span>
-<span id="L1177" class="LineNr">1177 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
-<span id="L1178" class="LineNr">1178 </span>    <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
-<span id="L1179" class="LineNr">1179 </span>    curr-word <span class="SpecialChar">&lt;-</span> copy _curr-word
-<span id="L1180" class="LineNr">1180 </span>    <span class="PreProc">loop</span>
-<span id="L1181" class="LineNr">1181 </span>  <span class="Delimiter">}</span>
-<span id="L1182" class="LineNr">1182 </span><span class="Delimiter">}</span>
-<span id="L1183" class="LineNr">1183 </span>
-<span id="L1184" class="LineNr">1184 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1184'>call-depth-at-cursor</a></span> _sandbox: (addr sandbox)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L1185" class="LineNr">1185 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
-<span id="L1186" class="LineNr">1186 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
-<span id="L1187" class="LineNr">1187 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1192'>call-path-element-length</a> cursor-call-path
-<span id="L1188" class="LineNr">1188 </span>  result <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># input-row - 1</span>
-<span id="L1189" class="LineNr">1189 </span>  <span class="PreProc">return</span> result
-<span id="L1190" class="LineNr">1190 </span><span class="Delimiter">}</span>
-<span id="L1191" class="LineNr">1191 </span>
-<span id="L1192" class="LineNr">1192 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1192'>call-path-element-length</a></span> _x: (addr handle call-path-element)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L1193" class="LineNr">1193 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> copy _x
-<span id="L1194" class="LineNr">1194 </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="L1195" class="LineNr">1195 </span>  <span class="Delimiter">{</span>
-<span id="L1196" class="LineNr">1196 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
-<span id="L1197" class="LineNr">1197 </span>    compare curr, <span class="Constant">0</span>
-<span id="L1198" class="LineNr">1198 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1199" class="LineNr">1199 </span>    curr-ah <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
-<span id="L1200" class="LineNr">1200 </span>    result <span class="SpecialChar">&lt;-</span> increment
-<span id="L1201" class="LineNr">1201 </span>    <span class="PreProc">loop</span>
-<span id="L1202" class="LineNr">1202 </span>  <span class="Delimiter">}</span>
-<span id="L1203" class="LineNr">1203 </span>  <span class="PreProc">return</span> result
-<span id="L1204" class="LineNr">1204 </span><span class="Delimiter">}</span>
-<span id="L1205" class="LineNr">1205 </span>
-<span id="L1206" class="LineNr">1206 </span><span class="muComment"># Render the line of words in line, along with the state of the stack under each word.</span>
-<span id="L1207" class="LineNr">1207 </span><span class="muComment"># Also render any expanded function calls using recursive calls.</span>
-<span id="L1208" class="LineNr">1208 </span><span class="muComment">#</span>
-<span id="L1209" class="LineNr">1209 </span><span class="muComment"># Along the way, compute the column the cursor should be positioned at (cursor-col-addr).</span>
-<span id="L1210" class="LineNr">1210 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1210'>render-line</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), first-line: (addr line), _line: (addr line), expanded-words: (addr handle call-path), top-row: int, left-col: int, curr-path: (addr handle call-path-element), cursor-word: (addr word), cursor-call-path: (addr handle call-path-element), cursor-row-addr: (addr int), cursor-col-addr: (addr int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L1211" class="LineNr">1211 </span><span class="CommentedCode">#?   print-string 0, &quot;--\n&quot;</span>
-<span id="L1212" class="LineNr">1212 </span>  <span class="muComment"># curr-word</span>
-<span id="L1213" class="LineNr">1213 </span>  <span class="PreProc">var</span> line/<span class="Constant">esi</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
-<span id="L1214" class="LineNr">1214 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
-<span id="L1215" class="LineNr">1215 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
-<span id="L1216" class="LineNr">1216 </span>  <span class="PreProc">var</span> debug-row: int
-<span id="L1217" class="LineNr">1217 </span>  copy-to debug-row, <span class="Constant">0x20</span>
-<span id="L1218" class="LineNr">1218 </span>  <span class="muComment">#</span>
-<span id="L1219" class="LineNr">1219 </span>  <span class="muComment"># loop-carried dependency</span>
-<span id="L1220" class="LineNr">1220 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1221" class="LineNr">1221 </span>  <span class="muComment">#</span>
-<span id="L1222" class="LineNr">1222 </span>  <span class="Delimiter">{</span>
-<span id="L1223" class="LineNr">1223 </span>    compare curr-word, <span class="Constant">0</span>
-<span id="L1224" class="LineNr">1224 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1225" class="LineNr">1225 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word in final line: &quot;</span>
-<span id="L1226" class="LineNr">1226 </span><span class="CommentedCode">#?     {</span>
-<span id="L1227" class="LineNr">1227 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
-<span id="L1228" class="LineNr">1228 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L1229" class="LineNr">1229 </span><span class="CommentedCode">#?     }</span>
-<span id="L1230" class="LineNr">1230 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
-<span id="L1231" class="LineNr">1231 </span>    <span class="muComment"># if necessary, first render columns for subsidiary stack</span>
-<span id="L1232" class="LineNr">1232 </span>    $render-line:subsidiary: <span class="Delimiter">{</span>
-<span id="L1233" class="LineNr">1233 </span>      <span class="Delimiter">{</span>
-<span id="L1234" class="LineNr">1234 </span><span class="CommentedCode">#?         print-string 0, &quot;check sub\n&quot;</span>
-<span id="L1235" class="LineNr">1235 </span>        <span class="PreProc">var</span> display-subsidiary-stack?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, curr-path
-<span id="L1236" class="LineNr">1236 </span>        compare display-subsidiary-stack?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1237" class="LineNr">1237 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
-<span id="L1238" class="LineNr">1238 </span>      <span class="Delimiter">}</span>
-<span id="L1239" class="LineNr">1239 </span><span class="CommentedCode">#?       print-string 0, &quot;render subsidiary stack\n&quot;</span>
-<span id="L1240" class="LineNr">1240 </span>      <span class="muComment"># does function exist?</span>
-<span id="L1241" class="LineNr">1241 </span>      <span class="PreProc">var</span> <a href='environment.mu.html#L1342'>callee</a>/<span class="Constant">edi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L1242" class="LineNr">1242 </span>      <span class="Delimiter">{</span>
-<span id="L1243" class="LineNr">1243 </span>        <span class="PreProc">var</span> callee-h: (handle function)
-<span id="L1244" class="LineNr">1244 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address callee-h
-<span id="L1245" class="LineNr">1245 </span>        <a href='environment.mu.html#L1342'>callee</a> functions, curr-word, callee-ah
-<span id="L1246" class="LineNr">1246 </span>        <span class="PreProc">var</span> _callee/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
-<span id="L1247" class="LineNr">1247 </span>        <a href='environment.mu.html#L1342'>callee</a> <span class="SpecialChar">&lt;-</span> copy _callee
-<span id="L1248" class="LineNr">1248 </span>        compare <a href='environment.mu.html#L1342'>callee</a>, <span class="Constant">0</span>
-<span id="L1249" class="LineNr">1249 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
-<span id="L1250" class="LineNr">1250 </span>      <span class="Delimiter">}</span>
-<span id="L1251" class="LineNr">1251 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
-<span id="L1252" class="LineNr">1252 </span>      <a href='../../405screen.mu.html#L509'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">8</span>, <span class="Constant">7</span>
-<span id="L1253" class="LineNr">1253 </span>      print-word <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
-<span id="L1254" class="LineNr">1254 </span>      <span class="Delimiter">{</span>
-<span id="L1255" class="LineNr">1255 </span>        <span class="PreProc">var</span> word-len/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length curr-word
-<span id="L1256" class="LineNr">1256 </span>        curr-col <span class="SpecialChar">&lt;-</span> add word-len
-<span id="L1257" class="LineNr">1257 </span>        curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1258" class="LineNr">1258 </span>        increment top-row
-<span id="L1259" class="LineNr">1259 </span>      <span class="Delimiter">}</span>
-<span id="L1260" class="LineNr">1260 </span>      <span class="muComment"># obtain stack at call site</span>
-<span id="L1261" class="LineNr">1261 </span>      <span class="PreProc">var</span> stack-storage: value-stack
-<span id="L1262" class="LineNr">1262 </span>      <span class="PreProc">var</span> stack/<span class="Constant">edx</span>: (addr value-stack) <span class="SpecialChar">&lt;-</span> address stack-storage
-<span id="L1263" class="LineNr">1263 </span>      initialize-value-stack stack, <span class="Constant">0x10</span>
-<span id="L1264" class="LineNr">1264 </span>      <span class="Delimiter">{</span>
-<span id="L1265" class="LineNr">1265 </span>        <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, prev
-<span id="L1266" class="LineNr">1266 </span>        <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
-<span id="L1267" class="LineNr">1267 </span>        compare prev-word, <span class="Constant">0</span>
-<span id="L1268" class="LineNr">1268 </span>        <span class="PreProc">break-if-=</span>
-<span id="L1269" class="LineNr">1269 </span>        evaluate functions, bindings, line, prev-word, stack
-<span id="L1270" class="LineNr">1270 </span>      <span class="Delimiter">}</span>
-<span id="L1271" class="LineNr">1271 </span>      <span class="muComment"># construct new bindings</span>
-<span id="L1272" class="LineNr">1272 </span>      <span class="PreProc">var</span> callee-bindings-storage: table
-<span id="L1273" class="LineNr">1273 </span>      <span class="PreProc">var</span> callee-bindings/<span class="Constant">esi</span>: (addr table) <span class="SpecialChar">&lt;-</span> address callee-bindings-storage
-<span id="L1274" class="LineNr">1274 </span>      initialize-table callee-bindings, <span class="Constant">0x10</span>
-<span id="L1275" class="LineNr">1275 </span>      bind-args <a href='environment.mu.html#L1342'>callee</a>, stack, callee-bindings
-<span id="L1276" class="LineNr">1276 </span>      <span class="muComment"># obtain body</span>
-<span id="L1277" class="LineNr">1277 </span>      <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1342'>callee</a>, body
-<span id="L1278" class="LineNr">1278 </span>      <span class="PreProc">var</span> callee-body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-body-ah
-<span id="L1279" class="LineNr">1279 </span>      <span class="PreProc">var</span> callee-body-first-word/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> callee-body, data
-<span id="L1280" class="LineNr">1280 </span>      <span class="muComment"># - render subsidiary stack</span>
-<span id="L1281" class="LineNr">1281 </span>      push-to-call-path-element curr-path, callee-body-first-word  <span class="muComment"># leak</span>
-<span id="L1282" class="LineNr">1282 </span>      curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1210'>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="L1283" class="LineNr">1283 </span>      drop-from-call-path-element curr-path
-<span id="L1284" class="LineNr">1284 </span>      <span class="muComment">#</span>
-<span id="L1285" class="LineNr">1285 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
-<span id="L1286" class="LineNr">1286 </span>      <a href='../../405screen.mu.html#L432'>print-code-point</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x21d7</span>  <span class="muComment"># ⇗</span>
-<span id="L1287" class="LineNr">1287 </span>      <span class="muComment">#</span>
-<span id="L1288" class="LineNr">1288 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1289" class="LineNr">1289 </span>      decrement top-row
-<span id="L1290" class="LineNr">1290 </span>    <span class="Delimiter">}</span>
-<span id="L1291" class="LineNr">1291 </span>    <span class="muComment"># render main column</span>
-<span id="L1292" class="LineNr">1292 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
-<span id="L1293" class="LineNr">1293 </span><span class="CommentedCode">#?     move-cursor 0, debug-row, 1</span>
-<span id="L1294" class="LineNr">1294 </span><span class="CommentedCode">#?     increment debug-row</span>
-<span id="L1295" class="LineNr">1295 </span><span class="CommentedCode">#?     print-string 0, &quot;rendering column from &quot;</span>
-<span id="L1296" class="LineNr">1296 </span><span class="CommentedCode">#?     print-int32-decimal 0, curr-col</span>
-<span id="L1297" class="LineNr">1297 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
-<span id="L1298" class="LineNr">1298 </span>    curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1354'>render-column</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, first-line, line, curr-word, top-row, curr-col
-<span id="L1299" class="LineNr">1299 </span>    <span class="muComment"># cache cursor column if necessary</span>
-<span id="L1300" class="LineNr">1300 </span>    $render-line:cache-cursor-column: <span class="Delimiter">{</span>
-<span id="L1301" class="LineNr">1301 </span><span class="CommentedCode">#?       print-string 0, &quot;cache cursor? &quot;</span>
-<span id="L1302" class="LineNr">1302 </span><span class="CommentedCode">#?       {</span>
-<span id="L1303" class="LineNr">1303 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy curr-word</span>
-<span id="L1304" class="LineNr">1304 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
-<span id="L1305" class="LineNr">1305 </span><span class="CommentedCode">#?       }</span>
-<span id="L1306" class="LineNr">1306 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1307" class="LineNr">1307 </span>      <span class="Delimiter">{</span>
-<span id="L1308" class="LineNr">1308 </span>        <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> call-path-element-match? curr-path, cursor-call-path
-<span id="L1309" class="LineNr">1309 </span>        compare found?, <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1310" class="LineNr">1310 </span>        <span class="PreProc">break-if-=</span> $render-line:cache-cursor-column
-<span id="L1311" class="LineNr">1311 </span>      <span class="Delimiter">}</span>
-<span id="L1312" class="LineNr">1312 </span><span class="CommentedCode">#?       print-string 0, &quot;cursor at &quot;</span>
-<span id="L1313" class="LineNr">1313 </span><span class="CommentedCode">#?       print-int32-decimal 0, top-row</span>
-<span id="L1314" class="LineNr">1314 </span><span class="CommentedCode">#?       print-string 0, &quot;, &quot;</span>
-<span id="L1315" class="LineNr">1315 </span><span class="CommentedCode">#?       print-int32-decimal 0, old-col</span>
-<span id="L1316" class="LineNr">1316 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1317" class="LineNr">1317 </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="L1318" class="LineNr">1318 </span>      <span class="Delimiter">{</span>
-<span id="L1319" class="LineNr">1319 </span>        <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
-<span id="L1320" class="LineNr">1320 </span>        copy-to *dest, src
-<span id="L1321" class="LineNr">1321 </span>      <span class="Delimiter">}</span>
-<span id="L1322" class="LineNr">1322 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
-<span id="L1323" class="LineNr">1323 </span>      copy-to *dest, old-col
-<span id="L1324" class="LineNr">1324 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index curr-word
-<span id="L1325" class="LineNr">1325 </span>      add-to *dest, cursor-index-in-word
-<span id="L1326" class="LineNr">1326 </span>    <span class="Delimiter">}</span>
-<span id="L1327" class="LineNr">1327 </span>    <span class="muComment"># loop update</span>
-<span id="L1328" class="LineNr">1328 </span><span class="CommentedCode">#?     print-string 0, &quot;next word\n&quot;</span>
-<span id="L1329" class="LineNr">1329 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
-<span id="L1330" class="LineNr">1330 </span>    curr-word <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
-<span id="L1331" class="LineNr">1331 </span><span class="CommentedCode">#?     {</span>
-<span id="L1332" class="LineNr">1332 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
-<span id="L1333" class="LineNr">1333 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L1334" class="LineNr">1334 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1335" class="LineNr">1335 </span><span class="CommentedCode">#?     }</span>
-<span id="L1336" class="LineNr">1336 </span>    increment-final-element curr-path
-<span id="L1337" class="LineNr">1337 </span>    <span class="PreProc">loop</span>
-<span id="L1338" class="LineNr">1338 </span>  <span class="Delimiter">}</span>
-<span id="L1339" class="LineNr">1339 </span>  <span class="PreProc">return</span> curr-col
-<span id="L1340" class="LineNr">1340 </span><span class="Delimiter">}</span>
-<span id="L1341" class="LineNr">1341 </span>
-<span id="L1342" class="LineNr">1342 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1342'>callee</a></span> functions: (addr handle function), word: (addr word), out: (addr handle function) <span class="Delimiter">{</span>
-<span id="L1343" class="LineNr">1343 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x10</span>)
-<span id="L1344" class="LineNr">1344 </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="L1345" class="LineNr">1345 </span>  emit-word word, stream
-<span id="L1346" class="LineNr">1346 </span>  find-function functions, stream, out
-<span id="L1347" class="LineNr">1347 </span><span class="Delimiter">}</span>
-<span id="L1348" class="LineNr">1348 </span>
-<span id="L1349" class="LineNr">1349 </span><span class="muComment"># Render:</span>
-<span id="L1350" class="LineNr">1350 </span><span class="muComment">#   - starting at top-row, left-col: final-word</span>
-<span id="L1351" class="LineNr">1351 </span><span class="muComment">#   - starting somewhere below at left-col: the stack result from interpreting first-world to final-word (inclusive)</span>
-<span id="L1352" class="LineNr">1352 </span><span class="muComment">#</span>
-<span id="L1353" class="LineNr">1353 </span><span class="muComment"># Return the farthest column written.</span>
-<span id="L1354" class="LineNr">1354 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1354'>render-column</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), first-line: (addr line), line: (addr line), final-word: (addr word), top-row: int, left-col: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
-<span id="L1355" class="LineNr">1355 </span><span class="CommentedCode">#?   print-string 0, &quot;render-column\n&quot;</span>
-<span id="L1356" class="LineNr">1356 </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="L1357" class="LineNr">1357 </span>  <span class="Delimiter">{</span>
-<span id="L1358" class="LineNr">1358 </span>    <span class="muComment"># indent stack</span>
-<span id="L1359" class="LineNr">1359 </span>    <span class="PreProc">var</span> indented-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1360" class="LineNr">1360 </span>    indented-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
-<span id="L1361" class="LineNr">1361 </span>    <span class="muComment"># compute stack</span>
-<span id="L1362" class="LineNr">1362 </span>    <span class="PreProc">var</span> stack: value-stack
-<span id="L1363" class="LineNr">1363 </span>    <span class="PreProc">var</span> stack-addr/<span class="Constant">edi</span>: (addr value-stack) <span class="SpecialChar">&lt;-</span> address stack
-<span id="L1364" class="LineNr">1364 </span>    initialize-value-stack stack-addr, <span class="Constant">0x10</span>  <span class="muComment"># max-words</span>
-<span id="L1365" class="LineNr">1365 </span>    evaluate functions, bindings, first-line, final-word, stack-addr
-<span id="L1366" class="LineNr">1366 </span>    <span class="muComment"># render stack</span>
-<span id="L1367" class="LineNr">1367 </span>    <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
-<span id="L1368" class="LineNr">1368 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># stack-margin-top</span>
-<span id="L1369" class="LineNr">1369 </span>    <span class="PreProc">var</span> _max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> value-stack-max-width stack-addr
-<span id="L1370" class="LineNr">1370 </span>    max-width <span class="SpecialChar">&lt;-</span> copy _max-width
-<span id="L1371" class="LineNr">1371 </span>    <span class="Delimiter">{</span>
-<span id="L1372" class="LineNr">1372 </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="L1373" class="LineNr">1373 </span>      compare *top-addr, <span class="Constant">0</span>
-<span id="L1374" class="LineNr">1374 </span>      <span class="PreProc">break-if-&lt;=</span>
-<span id="L1375" class="LineNr">1375 </span>      decrement *top-addr
-<span id="L1376" class="LineNr">1376 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, indented-col
-<span id="L1377" class="LineNr">1377 </span>      <span class="Delimiter">{</span>
-<span id="L1378" class="LineNr">1378 </span>        <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array value) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> stack-addr, data
-<span id="L1379" class="LineNr">1379 </span>        <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
-<span id="L1380" class="LineNr">1380 </span>        <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
-<span id="L1381" class="LineNr">1381 </span>        <span class="PreProc">var</span> dest-offset/<span class="Constant">edx</span>: (offset value) <span class="SpecialChar">&lt;-</span> compute-offset data, <a href='../../203stack.subx.html#L338'>top</a>
-<span id="L1382" class="LineNr">1382 </span>        <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr value) <span class="SpecialChar">&lt;-</span> index data, dest-offset
-<span id="L1383" class="LineNr">1383 </span>        <a href='environment.mu.html#L1414'>render-value</a> <a href='../../405screen.mu.html#L9'>screen</a>, val, max-width
-<span id="L1384" class="LineNr">1384 </span>      <span class="Delimiter">}</span>
-<span id="L1385" class="LineNr">1385 </span>      curr-row <span class="SpecialChar">&lt;-</span> increment
-<span id="L1386" class="LineNr">1386 </span>      <span class="PreProc">loop</span>
-<span id="L1387" class="LineNr">1387 </span>    <span class="Delimiter">}</span>
-<span id="L1388" class="LineNr">1388 </span>  <span class="Delimiter">}</span>
-<span id="L1389" class="LineNr">1389 </span>
-<span id="L1390" class="LineNr">1390 </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="L1391" class="LineNr">1391 </span>
-<span id="L1392" class="LineNr">1392 </span>  <span class="muComment"># render word, initialize result</span>
-<span id="L1393" class="LineNr">1393 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1394" class="LineNr">1394 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col
-<span id="L1395" class="LineNr">1395 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, final-word
-<span id="L1396" class="LineNr">1396 </span>  <span class="Delimiter">{</span>
-<span id="L1397" class="LineNr">1397 </span>    <span class="PreProc">var</span> <a href='../../307size.subx.html#L5'>size</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length final-word
-<span id="L1398" class="LineNr">1398 </span>    compare <a href='../../307size.subx.html#L5'>size</a>, max-width
-<span id="L1399" class="LineNr">1399 </span>    <span class="PreProc">break-if-&lt;=</span>
-<span id="L1400" class="LineNr">1400 </span>    max-width <span class="SpecialChar">&lt;-</span> copy <a href='../../307size.subx.html#L5'>size</a>
-<span id="L1401" class="LineNr">1401 </span>  <span class="Delimiter">}</span>
-<span id="L1402" class="LineNr">1402 </span>
-<span id="L1403" class="LineNr">1403 </span>  <span class="muComment"># post-process right-col</span>
-<span id="L1404" class="LineNr">1404 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
-<span id="L1405" class="LineNr">1405 </span>  right-col <span class="SpecialChar">&lt;-</span> add max-width
-<span id="L1406" class="LineNr">1406 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
-<span id="L1407" class="LineNr">1407 </span><span class="CommentedCode">#?   print-int32-decimal 0, left-col</span>
-<span id="L1408" class="LineNr">1408 </span><span class="CommentedCode">#?   print-string 0, &quot; =&gt; &quot;</span>
-<span id="L1409" class="LineNr">1409 </span><span class="CommentedCode">#?   print-int32-decimal 0, right-col</span>
-<span id="L1410" class="LineNr">1410 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
-<span id="L1411" class="LineNr">1411 </span>  <span class="PreProc">return</span> right-col
-<span id="L1412" class="LineNr">1412 </span><span class="Delimiter">}</span>
-<span id="L1413" class="LineNr">1413 </span>
-<span id="L1414" class="LineNr">1414 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1414'>render-value</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _val: (addr value), max-width: int <span class="Delimiter">{</span>
-<span id="L1415" class="LineNr">1415 </span>$render-value:body: <span class="Delimiter">{</span>
-<span id="L1416" class="LineNr">1416 </span>  <span class="PreProc">var</span> val/<span class="Constant">esi</span>: (addr value) <span class="SpecialChar">&lt;-</span> copy _val
-<span id="L1417" class="LineNr">1417 </span>  <span class="PreProc">var</span> val-type/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> val, <span class="PreProc">type</span>
-<span id="L1418" class="LineNr">1418 </span>  <span class="muComment"># per-type rendering logic goes here</span>
-<span id="L1419" class="LineNr">1419 </span>  compare *val-type, <span class="Constant">1</span>  <span class="muComment"># string</span>
-<span id="L1420" class="LineNr">1420 </span>  <span class="Delimiter">{</span>
-<span id="L1421" class="LineNr">1421 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1422" class="LineNr">1422 </span>    <span class="PreProc">var</span> val-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> val, text-data
-<span id="L1423" class="LineNr">1423 </span>    <span class="PreProc">var</span> val-string/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *val-ah
-<span id="L1424" class="LineNr">1424 </span>    compare val-string, <span class="Constant">0</span>
-<span id="L1425" class="LineNr">1425 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1426" class="LineNr">1426 </span>    <span class="PreProc">var</span> orig-len/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> length val-string
-<span id="L1427" class="LineNr">1427 </span>    <span class="PreProc">var</span> truncated: (handle array byte)
-<span id="L1428" class="LineNr">1428 </span>    <span class="PreProc">var</span> truncated-ah/<span class="Constant">esi</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address truncated
-<span id="L1429" class="LineNr">1429 </span>    <a href='../../411string.mu.html#L2'>substring</a> val-string, <span class="Constant">0</span>, <span class="Constant">0xc</span>, truncated-ah
-<span id="L1430" class="LineNr">1430 </span>    <span class="PreProc">var</span> truncated-string/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *truncated-ah
-<span id="L1431" class="LineNr">1431 </span><span class="CommentedCode">#?     {</span>
-<span id="L1432" class="LineNr">1432 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy truncated-string</span>
-<span id="L1433" class="LineNr">1433 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
-<span id="L1434" class="LineNr">1434 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
-<span id="L1435" class="LineNr">1435 </span><span class="CommentedCode">#?     }</span>
-<span id="L1436" class="LineNr">1436 </span>    <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> length truncated-string
-<span id="L1437" class="LineNr">1437 </span>    <a href='../../405screen.mu.html#L509'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0xf2</span>, <span class="Constant">7</span>
-<span id="L1438" class="LineNr">1438 </span>    <a href='../../405screen.mu.html#L432'>print-code-point</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x275d</span>  <span class="muComment"># open-quote</span>
-<span id="L1439" class="LineNr">1439 </span>    <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, truncated-string
-<span id="L1440" class="LineNr">1440 </span>    compare len, orig-len
-<span id="L1441" class="LineNr">1441 </span>    <span class="Delimiter">{</span>
-<span id="L1442" class="LineNr">1442 </span>      <span class="PreProc">break-if-=</span>
-<span id="L1443" class="LineNr">1443 </span>      <a href='../../405screen.mu.html#L432'>print-code-point</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x2026</span>  <span class="muComment"># ellipses</span>
-<span id="L1444" class="LineNr">1444 </span>    <span class="Delimiter">}</span>
-<span id="L1445" class="LineNr">1445 </span>    <a href='../../405screen.mu.html#L432'>print-code-point</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x275e</span>  <span class="muComment"># close-quote</span>
-<span id="L1446" class="LineNr">1446 </span>    <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1447" class="LineNr">1447 </span>    <span class="PreProc">break</span> $render-value:body
-<span id="L1448" class="LineNr">1448 </span>  <span class="Delimiter">}</span>
-<span id="L1449" class="LineNr">1449 </span>  compare *val-type, <span class="Constant">2</span>  <span class="muComment"># array</span>
-<span id="L1450" class="LineNr">1450 </span>  <span class="Delimiter">{</span>
-<span id="L1451" class="LineNr">1451 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1452" class="LineNr">1452 </span>    <span class="PreProc">var</span> val-ah/<span class="Constant">eax</span>: (addr handle array value) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> val, array-data
-<span id="L1453" class="LineNr">1453 </span>    <span class="PreProc">var</span> val-array/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *val-ah
-<span id="L1454" class="LineNr">1454 </span>    <a href='environment.mu.html#L1507'>render-array</a> <a href='../../405screen.mu.html#L9'>screen</a>, val-array
-<span id="L1455" class="LineNr">1455 </span>    <span class="PreProc">break</span> $render-value:body
-<span id="L1456" class="LineNr">1456 </span>  <span class="Delimiter">}</span>
-<span id="L1457" class="LineNr">1457 </span>  compare *val-type, <span class="Constant">3</span>  <span class="muComment"># file</span>
-<span id="L1458" class="LineNr">1458 </span>  <span class="Delimiter">{</span>
-<span id="L1459" class="LineNr">1459 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1460" class="LineNr">1460 </span>    <span class="PreProc">var</span> val-ah/<span class="Constant">eax</span>: (addr handle buffered-file) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> val, file-data
-<span id="L1461" class="LineNr">1461 </span>    <span class="PreProc">var</span> val-file/<span class="Constant">eax</span>: (addr buffered-file) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *val-ah
-<span id="L1462" class="LineNr">1462 </span>    <a href='../../405screen.mu.html#L509'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">7</span>
-<span id="L1463" class="LineNr">1463 </span>    <span class="muComment"># TODO</span>
-<span id="L1464" class="LineNr">1464 </span>    <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; FILE &quot;</span>
-<span id="L1465" class="LineNr">1465 </span>    <span class="PreProc">break</span> $render-value:body
-<span id="L1466" class="LineNr">1466 </span>  <span class="Delimiter">}</span>
-<span id="L1467" class="LineNr">1467 </span>  <span class="muComment"># render ints by default for now</span>
-<span id="L1468" class="LineNr">1468 </span>  <span class="PreProc">var</span> val-int/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> val, int-data
-<span id="L1469" class="LineNr">1469 </span>  <a href='environment.mu.html#L1474'>render-integer</a> <a href='../../405screen.mu.html#L9'>screen</a>, *val-int, max-width
-<span id="L1470" class="LineNr">1470 </span><span class="Delimiter">}</span>
-<span id="L1471" class="LineNr">1471 </span><span class="Delimiter">}</span>
-<span id="L1472" class="LineNr">1472 </span>
-<span id="L1473" class="LineNr">1473 </span><span class="muComment"># synaesthesia</span>
-<span id="L1474" class="LineNr">1474 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1474'>render-integer</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), val: int, max-width: int <span class="Delimiter">{</span>
-<span id="L1475" class="LineNr">1475 </span>$render-integer:body: <span class="Delimiter">{</span>
-<span id="L1476" class="LineNr">1476 </span>  <span class="muComment"># if max-width is 0, we're inside an array. No coloring.</span>
-<span id="L1477" class="LineNr">1477 </span>  compare max-width, <span class="Constant">0</span>
-<span id="L1478" class="LineNr">1478 </span>  <span class="Delimiter">{</span>
-<span id="L1479" class="LineNr">1479 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1480" class="LineNr">1480 </span>    <a href='../../405screen.mu.html#L481'>print-int32-decimal</a> <a href='../../405screen.mu.html#L9'>screen</a>, val
-<span id="L1481" class="LineNr">1481 </span>    <span class="PreProc">break</span> $render-integer:body
-<span id="L1482" class="LineNr">1482 </span>  <span class="Delimiter">}</span>
-<span id="L1483" class="LineNr">1483 </span>  <span class="PreProc">var</span> bg/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1531'>hash-color</a> val
-<span id="L1484" class="LineNr">1484 </span>  <span class="PreProc">var</span> fg/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">7</span>
-<span id="L1485" class="LineNr">1485 </span>  <span class="Delimiter">{</span>
-<span id="L1486" class="LineNr">1486 </span>    compare bg, <span class="Constant">2</span>
-<span id="L1487" class="LineNr">1487 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1488" class="LineNr">1488 </span>    fg <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L1489" class="LineNr">1489 </span>  <span class="Delimiter">}</span>
-<span id="L1490" class="LineNr">1490 </span>  <span class="Delimiter">{</span>
-<span id="L1491" class="LineNr">1491 </span>    compare bg, <span class="Constant">3</span>
-<span id="L1492" class="LineNr">1492 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1493" class="LineNr">1493 </span>    fg <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L1494" class="LineNr">1494 </span>  <span class="Delimiter">}</span>
-<span id="L1495" class="LineNr">1495 </span>  <span class="Delimiter">{</span>
-<span id="L1496" class="LineNr">1496 </span>    compare bg, <span class="Constant">6</span>
-<span id="L1497" class="LineNr">1497 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1498" class="LineNr">1498 </span>    fg <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
-<span id="L1499" class="LineNr">1499 </span>  <span class="Delimiter">}</span>
-<span id="L1500" class="LineNr">1500 </span>  <a href='../../405screen.mu.html#L509'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, fg, bg
-<span id="L1501" class="LineNr">1501 </span>  <a href='../../405screen.mu.html#L210'>print-grapheme</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x20</span>  <span class="muComment"># space</span>
-<span id="L1502" class="LineNr">1502 </span>  <a href='../../407print-int32-decimal-right-justified.mu.html#L2'>print-int32-decimal-right-justified</a> <a href='../../405screen.mu.html#L9'>screen</a>, val, max-width
-<span id="L1503" class="LineNr">1503 </span>  <a href='../../405screen.mu.html#L210'>print-grapheme</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x20</span>  <span class="muComment"># space</span>
-<span id="L1504" class="LineNr">1504 </span><span class="Delimiter">}</span>
-<span id="L1505" class="LineNr">1505 </span><span class="Delimiter">}</span>
-<span id="L1506" class="LineNr">1506 </span>
-<span id="L1507" class="LineNr">1507 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1507'>render-array</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _a: (addr array value) <span class="Delimiter">{</span>
-<span id="L1508" class="LineNr">1508 </span>  <a href='../../405screen.mu.html#L509'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0xf2</span>, <span class="Constant">7</span>
-<span id="L1509" class="LineNr">1509 </span>  <span class="muComment"># don't surround in spaces</span>
-<span id="L1510" class="LineNr">1510 </span>  <a href='../../405screen.mu.html#L210'>print-grapheme</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x5b</span>  <span class="muComment"># '['</span>
-<span id="L1511" class="LineNr">1511 </span>  <span class="PreProc">var</span> a/<span class="Constant">esi</span>: (addr array value) <span class="SpecialChar">&lt;-</span> copy _a
-<span id="L1512" class="LineNr">1512 </span>  <span class="PreProc">var</span> max/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> length a
-<span id="L1513" class="LineNr">1513 </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="L1514" class="LineNr">1514 </span>  <span class="Delimiter">{</span>
-<span id="L1515" class="LineNr">1515 </span>    compare i, max
-<span id="L1516" class="LineNr">1516 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L1517" class="LineNr">1517 </span>    <span class="Delimiter">{</span>
-<span id="L1518" class="LineNr">1518 </span>      compare i, <span class="Constant">0</span>
-<span id="L1519" class="LineNr">1519 </span>      <span class="PreProc">break-if-=</span>
-<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; &quot;</span>
-<span id="L1521" class="LineNr">1521 </span>    <span class="Delimiter">}</span>
-<span id="L1522" class="LineNr">1522 </span>    <span class="PreProc">var</span> off/<span class="Constant">ecx</span>: (offset value) <span class="SpecialChar">&lt;-</span> compute-offset a, i
-<span id="L1523" class="LineNr">1523 </span>    <span class="PreProc">var</span> x/<span class="Constant">ecx</span>: (addr value) <span class="SpecialChar">&lt;-</span> index a, off
-<span id="L1524" class="LineNr">1524 </span>    <a href='environment.mu.html#L1414'>render-value</a> <a href='../../405screen.mu.html#L9'>screen</a>, x, <span class="Constant">0</span>
-<span id="L1525" class="LineNr">1525 </span>    i <span class="SpecialChar">&lt;-</span> increment
-<span id="L1526" class="LineNr">1526 </span>    <span class="PreProc">loop</span>
-<span id="L1527" class="LineNr">1527 </span>  <span class="Delimiter">}</span>
-<span id="L1528" class="LineNr">1528 </span>  <a href='../../405screen.mu.html#L210'>print-grapheme</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0x5d</span>  <span class="muComment"># ']'</span>
-<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="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1531'>hash-color</a></span> val: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
-<span id="L1532" class="LineNr">1532 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='../../406try-divide.mu.html#L87'>try-modulo</a> val, <span class="Constant">7</span>  <span class="muComment"># assumes that 7 is always the background color</span>
-<span id="L1533" class="LineNr">1533 </span>  <span class="PreProc">return</span> result
-<span id="L1534" class="LineNr">1534 </span><span class="Delimiter">}</span>
-<span id="L1535" class="LineNr">1535 </span>
-<span id="L1536" class="LineNr">1536 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1536'>clear-canvas</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
-<span id="L1537" class="LineNr">1537 </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="L1538" class="LineNr">1538 </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="L1539" class="LineNr">1539 </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="L1540" class="LineNr">1540 </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="L1541" class="LineNr">1541 </span>  <a href='../../405screen.mu.html#L78'>clear-screen</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1542" class="LineNr">1542 </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="L1543" class="LineNr">1543 </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="L1544" class="LineNr">1544 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
-<span id="L1545" class="LineNr">1545 </span>  draw-vertical-line <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">1</span>, *nrows, repl-col
-<span id="L1546" class="LineNr">1546 </span>  <span class="muComment"># wordstar-style cheatsheet of shortcuts</span>
-<span id="L1547" class="LineNr">1547 </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="L1548" class="LineNr">1548 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1549" class="LineNr">1549 </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="L1550" class="LineNr">1550 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1551" class="LineNr">1551 </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="L1552" class="LineNr">1552 </span>  <span class="PreProc">var</span> menu-start/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy repl-col
-<span id="L1553" class="LineNr">1553 </span>  menu-start <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x40</span>  <span class="muComment"># 64 = half the size of the menu</span>
-<span id="L1554" class="LineNr">1554 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, menu-start
-<span id="L1555" class="LineNr">1555 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1556" class="LineNr">1556 </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="L1557" class="LineNr">1557 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1558" class="LineNr">1558 </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="L1559" class="LineNr">1559 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1560" class="LineNr">1560 </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="L1561" class="LineNr">1561 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1562" class="LineNr">1562 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ◀ word  &quot;</span>
-<span id="L1563" class="LineNr">1563 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1564" class="LineNr">1564 </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="L1565" class="LineNr">1565 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1566" class="LineNr">1566 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; word ▶  &quot;</span>
-<span id="L1567" class="LineNr">1567 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</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>, <span class="Constant">&quot; ctrl-e &quot;</span>
-<span id="L1569" class="LineNr">1569 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1570" class="LineNr">1570 </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="L1571" class="LineNr">1571 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1572" class="LineNr">1572 </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="L1573" class="LineNr">1573 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1574" class="LineNr">1574 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; clear line  &quot;</span>
-<span id="L1575" class="LineNr">1575 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1576" class="LineNr">1576 </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="L1577" class="LineNr">1577 </span>  <a href='../../405screen.mu.html#L492'>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>, <span class="Constant">&quot; name value  &quot;</span>
-<span id="L1579" class="LineNr">1579 </span>  <a href='../../405screen.mu.html#L555'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1580" class="LineNr">1580 </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="L1581" class="LineNr">1581 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1582" class="LineNr">1582 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; define function  &quot;</span>
-<span id="L1583" class="LineNr">1583 </span>  <span class="muComment"># primitives</span>
-<span id="L1584" class="LineNr">1584 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy repl-col
-<span id="L1585" class="LineNr">1585 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x20</span>
-<span id="L1586" class="LineNr">1586 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">1</span>, start-col
-<span id="L1587" class="LineNr">1587 </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="L1588" class="LineNr">1588 </span>  start-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1589" class="LineNr">1589 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">2</span>, start-col
-<span id="L1590" class="LineNr">1590 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;+ - * len&quot;</span>
-<span id="L1591" class="LineNr">1591 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">3</span>, start-col
-<span id="L1592" class="LineNr">1592 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <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="L1593" class="LineNr">1593 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">4</span>, start-col
-<span id="L1594" class="LineNr">1594 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;dup swap&quot;</span>
-<span id="L1595" class="LineNr">1595 </span>  <span class="muComment"># currently defined functions</span>
-<span id="L1596" class="LineNr">1596 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">2</span>
-<span id="L1597" class="LineNr">1597 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">6</span>, start-col
-<span id="L1598" class="LineNr">1598 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;functions:&quot;</span>
-<span id="L1599" class="LineNr">1599 </span>  start-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
-<span id="L1600" class="LineNr">1600 </span>  <span class="PreProc">var</span> row/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">7</span>
-<span id="L1601" class="LineNr">1601 </span>  <span class="PreProc">var</span> functions/<span class="Constant">esi</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
-<span id="L1602" class="LineNr">1602 </span>  <span class="Delimiter">{</span>
-<span id="L1603" class="LineNr">1603 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *functions
-<span id="L1604" class="LineNr">1604 </span>    compare curr, <span class="Constant">0</span>
-<span id="L1605" class="LineNr">1605 </span>    <span class="PreProc">break-if-=</span>
-<span id="L1606" class="LineNr">1606 </span>    row <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1614'>render-function</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, start-col, curr
-<span id="L1607" class="LineNr">1607 </span>    functions <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
-<span id="L1608" class="LineNr">1608 </span>    row <span class="SpecialChar">&lt;-</span> increment
-<span id="L1609" class="LineNr">1609 </span>    <span class="PreProc">loop</span>
-<span id="L1610" class="LineNr">1610 </span>  <span class="Delimiter">}</span>
-<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"># only single-line functions supported for now</span>
-<span id="L1614" class="LineNr">1614 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1614'>render-function</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), row: int, col: int, _f: (addr function)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span>
-<span id="L1615" class="LineNr">1615 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _f
-<span id="L1616" class="LineNr">1616 </span>  <span class="PreProc">var</span> args/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
-<span id="L1617" class="LineNr">1617 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
-<span id="L1618" class="LineNr">1618 </span>  print-words-in-reverse <a href='../../405screen.mu.html#L9'>screen</a>, args
-<span id="L1619" class="LineNr">1619 </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="L1620" class="LineNr">1620 </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="L1621" class="LineNr">1621 </span>  <a href='../../405screen.mu.html#L527'>start-bold</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1622" class="LineNr">1622 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, name
-<span id="L1623" class="LineNr">1623 </span>  <a href='../../405screen.mu.html#L492'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
-<span id="L1624" class="LineNr">1624 </span>  increment row
-<span id="L1625" class="LineNr">1625 </span>  add-to col, <span class="Constant">2</span>
-<span id="L1626" class="LineNr">1626 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
-<span id="L1627" class="LineNr">1627 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;= &quot;</span>
-<span id="L1628" class="LineNr">1628 </span>  <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, body
-<span id="L1629" class="LineNr">1629 </span>  <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
-<span id="L1630" class="LineNr">1630 </span>  <span class="PreProc">var</span> body-words-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
-<span id="L1631" class="LineNr">1631 </span>  print-words <a href='../../405screen.mu.html#L9'>screen</a>, body-words-ah
-<span id="L1632" class="LineNr">1632 </span>  <span class="PreProc">return</span> row
-<span id="L1633" class="LineNr">1633 </span><span class="Delimiter">}</span>
-<span id="L1634" class="LineNr">1634 </span>
-<span id="L1635" class="LineNr">1635 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1635'>real-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L1636" class="LineNr">1636 </span>  <span class="muComment"># if g == newline return true</span>
-<span id="L1637" class="LineNr">1637 </span>  compare g, <span class="Constant">0xa</span>
-<span id="L1638" class="LineNr">1638 </span>  <span class="Delimiter">{</span>
-<span id="L1639" class="LineNr">1639 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1640" class="LineNr">1640 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1641" class="LineNr">1641 </span>  <span class="Delimiter">}</span>
-<span id="L1642" class="LineNr">1642 </span>  <span class="muComment"># if g == tab return true</span>
-<span id="L1643" class="LineNr">1643 </span>  compare g, <span class="Constant">9</span>
-<span id="L1644" class="LineNr">1644 </span>  <span class="Delimiter">{</span>
-<span id="L1645" class="LineNr">1645 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1646" class="LineNr">1646 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1647" class="LineNr">1647 </span>  <span class="Delimiter">}</span>
-<span id="L1648" class="LineNr">1648 </span>  <span class="muComment"># if g &lt; 32 return false</span>
-<span id="L1649" class="LineNr">1649 </span>  compare g, <span class="Constant">0x20</span>
-<span id="L1650" class="LineNr">1650 </span>  <span class="Delimiter">{</span>
-<span id="L1651" class="LineNr">1651 </span>    <span class="PreProc">break-if-&gt;=</span>
-<span id="L1652" class="LineNr">1652 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1653" class="LineNr">1653 </span>  <span class="Delimiter">}</span>
-<span id="L1654" class="LineNr">1654 </span>  <span class="muComment"># if g &lt;= 255 return true</span>
-<span id="L1655" class="LineNr">1655 </span>  compare g, <span class="Constant">0xff</span>
-<span id="L1656" class="LineNr">1656 </span>  <span class="Delimiter">{</span>
-<span id="L1657" class="LineNr">1657 </span>    <span class="PreProc">break-if-&gt;</span>
-<span id="L1658" class="LineNr">1658 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1659" class="LineNr">1659 </span>  <span class="Delimiter">}</span>
-<span id="L1660" class="LineNr">1660 </span>  <span class="muComment"># if (g&amp;0xff == Esc) it's an escape sequence</span>
-<span id="L1661" class="LineNr">1661 </span>  and-with g, <span class="Constant">0xff</span>
-<span id="L1662" class="LineNr">1662 </span>  compare g, <span class="Constant">0x1b</span>  <span class="muComment"># Esc</span>
-<span id="L1663" class="LineNr">1663 </span>  <span class="Delimiter">{</span>
-<span id="L1664" class="LineNr">1664 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L1665" class="LineNr">1665 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
-<span id="L1666" class="LineNr">1666 </span>  <span class="Delimiter">}</span>
-<span id="L1667" class="LineNr">1667 </span>  <span class="muComment"># otherwise return true</span>
-<span id="L1668" class="LineNr">1668 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
-<span id="L1669" class="LineNr">1669 </span><span class="Delimiter">}</span>
+<span id="L856" class="LineNr"> 856 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L856'>arg-exists?</a></span> _f-ah: (addr handle function), arg: (addr word)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: boolean <span class="Delimiter">{</span>
+<span id="L857" class="LineNr"> 857 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _f-ah
+<span id="L858" class="LineNr"> 858 </span>  <span class="PreProc">var</span> f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
+<span id="L859" class="LineNr"> 859 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
+<span id="L860" class="LineNr"> 860 </span>  <span class="PreProc">var</span> result/<span class="Constant">ebx</span>: boolean <span class="SpecialChar">&lt;-</span> word-exists? args-ah, arg
+<span id="L861" class="LineNr"> 861 </span>  <span class="PreProc">return</span> result
+<span id="L862" class="LineNr"> 862 </span><span class="Delimiter">}</span>
+<span id="L863" class="LineNr"> 863 </span>
+<span id="L864" class="LineNr"> 864 </span><span class="muComment"># construct a call to `f` with copies of exactly its args</span>
+<span id="L865" class="LineNr"> 865 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L865'>construct-call</a></span> _f-ah: (addr handle function), _dest-ah: (addr handle word) <span class="Delimiter">{</span>
+<span id="L866" class="LineNr"> 866 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> copy _f-ah
+<span id="L867" class="LineNr"> 867 </span>  <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *f-ah
+<span id="L868" class="LineNr"> 868 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _f
+<span id="L869" class="LineNr"> 869 </span>  <span class="muComment"># append args in reverse</span>
+<span id="L870" class="LineNr"> 870 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
+<span id="L871" class="LineNr"> 871 </span>  <span class="PreProc">var</span> dest-ah/<span class="Constant">edi</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> copy _dest-ah
+<span id="L872" class="LineNr"> 872 </span>  copy-words-in-reverse args-ah, dest-ah
+<span id="L873" class="LineNr"> 873 </span>  <span class="muComment"># append name</span>
+<span id="L874" class="LineNr"> 874 </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="L875" class="LineNr"> 875 </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="L876" class="LineNr"> 876 </span>  append-word-at-end-with dest-ah, name
+<span id="L877" class="LineNr"> 877 </span><span class="Delimiter">}</span>
+<span id="L878" class="LineNr"> 878 </span>
+<span id="L879" class="LineNr"> 879 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L879'>word-index</a></span> _words: (addr handle word), _n: int, out: (addr handle word) <span class="Delimiter">{</span>
+<span id="L880" class="LineNr"> 880 </span>$word-index:body: <span class="Delimiter">{</span>
+<span id="L881" class="LineNr"> 881 </span>  <span class="PreProc">var</span> n/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy _n
+<span id="L882" class="LineNr"> 882 </span>  <span class="Delimiter">{</span>
+<span id="L883" class="LineNr"> 883 </span>    compare n, <span class="Constant">0</span>
+<span id="L884" class="LineNr"> 884 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L885" class="LineNr"> 885 </span>    copy-object _words, out
+<span id="L886" class="LineNr"> 886 </span>    <span class="PreProc">break</span> $word-index:body
+<span id="L887" class="LineNr"> 887 </span>  <span class="Delimiter">}</span>
+<span id="L888" class="LineNr"> 888 </span>  <span class="PreProc">var</span> words-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> copy _words
+<span id="L889" class="LineNr"> 889 </span>  <span class="PreProc">var</span> words/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *words-ah
+<span id="L890" class="LineNr"> 890 </span>  <span class="PreProc">var</span> next/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> words, next
+<span id="L891" class="LineNr"> 891 </span>  n <span class="SpecialChar">&lt;-</span> decrement
+<span id="L892" class="LineNr"> 892 </span>  <a href='environment.mu.html#L879'>word-index</a> next, n, out
+<span id="L893" class="LineNr"> 893 </span><span class="Delimiter">}</span>
+<span id="L894" class="LineNr"> 894 </span><span class="Delimiter">}</span>
+<span id="L895" class="LineNr"> 895 </span>
+<span id="L896" class="LineNr"> 896 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L896'>toggle-cursor-word</a></span> _sandbox: (addr sandbox) <span class="Delimiter">{</span>
+<span id="L897" class="LineNr"> 897 </span>$toggle-cursor-word:body: <span class="Delimiter">{</span>
+<span id="L898" class="LineNr"> 898 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L899" class="LineNr"> 899 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
+<span id="L900" class="LineNr"> 900 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L901" class="LineNr"> 901 </span><span class="CommentedCode">#?   print-string 0, &quot;cursor call path: &quot;</span>
+<span id="L902" class="LineNr"> 902 </span><span class="CommentedCode">#?   dump-call-path-element 0, cursor-call-path</span>
+<span id="L903" class="LineNr"> 903 </span><span class="CommentedCode">#?   print-string 0, &quot;expanded words:\n&quot;</span>
+<span id="L904" class="LineNr"> 904 </span><span class="CommentedCode">#?   dump-call-paths 0, expanded-words</span>
+<span id="L905" class="LineNr"> 905 </span>  <span class="PreProc">var</span> already-expanded?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, cursor-call-path
+<span id="L906" class="LineNr"> 906 </span>  compare already-expanded?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L907" class="LineNr"> 907 </span>  <span class="Delimiter">{</span>
+<span id="L908" class="LineNr"> 908 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L909" class="LineNr"> 909 </span><span class="CommentedCode">#?     print-string 0, &quot;expand\n&quot;</span>
+<span id="L910" class="LineNr"> 910 </span>    <span class="muComment"># if not already-expanded, insert</span>
+<span id="L911" class="LineNr"> 911 </span>    insert-in-call-path expanded-words cursor-call-path
+<span id="L912" class="LineNr"> 912 </span><span class="CommentedCode">#?     print-string 0, &quot;expanded words now:\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">break</span> $toggle-cursor-word:body
+<span id="L915" class="LineNr"> 915 </span>  <span class="Delimiter">}</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="muComment"># otherwise delete</span>
+<span id="L919" class="LineNr"> 919 </span>    delete-in-call-path expanded-words cursor-call-path
+<span id="L920" class="LineNr"> 920 </span>  <span class="Delimiter">}</span>
+<span id="L921" class="LineNr"> 921 </span><span class="Delimiter">}</span>
+<span id="L922" class="LineNr"> 922 </span><span class="Delimiter">}</span>
+<span id="L923" class="LineNr"> 923 </span>
+<span id="L924" class="LineNr"> 924 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L924'>append-line</a></span> _sandbox: (addr sandbox) <span class="Delimiter">{</span>
+<span id="L925" class="LineNr"> 925 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L926" class="LineNr"> 926 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">ecx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L927" class="LineNr"> 927 </span>  <span class="Delimiter">{</span>
+<span id="L928" class="LineNr"> 928 </span>    <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L929" class="LineNr"> 929 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, next
+<span id="L930" class="LineNr"> 930 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
+<span id="L931" class="LineNr"> 931 </span>    compare next-line, <span class="Constant">0</span>
+<span id="L932" class="LineNr"> 932 </span>    <span class="PreProc">break-if-=</span>
+<span id="L933" class="LineNr"> 933 </span>    line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
+<span id="L934" class="LineNr"> 934 </span>    <span class="PreProc">loop</span>
+<span id="L935" class="LineNr"> 935 </span>  <span class="Delimiter">}</span>
+<span id="L936" class="LineNr"> 936 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L937" class="LineNr"> 937 </span>  <span class="PreProc">var</span> final-line-ah/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, next
+<span id="L938" class="LineNr"> 938 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> final-line-ah
+<span id="L939" class="LineNr"> 939 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1076'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L940" class="LineNr"> 940 </span>  initialize-line <a href='environment.mu.html#L1076'>final-line</a>
+<span id="L941" class="LineNr"> 941 </span>  <span class="PreProc">var</span> final-prev/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1076'>final-line</a>, prev
+<span id="L942" class="LineNr"> 942 </span>  copy-object line-ah, final-prev
+<span id="L943" class="LineNr"> 943 </span>  <span class="muComment"># clear cursor</span>
+<span id="L944" class="LineNr"> 944 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1076'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L945" class="LineNr"> 945 </span>  <span class="PreProc">var</span> word-ah/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1076'>final-line</a>, data
+<span id="L946" class="LineNr"> 946 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L947" class="LineNr"> 947 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L948" class="LineNr"> 948 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
+<span id="L949" class="LineNr"> 949 </span>  copy-object word-ah, dest
+<span id="L950" class="LineNr"> 950 </span><span class="Delimiter">}</span>
+<span id="L951" class="LineNr"> 951 </span>
+<span id="L952" class="LineNr"> 952 </span><span class="muComment">#############</span>
+<span id="L953" class="LineNr"> 953 </span><span class="muComment"># Visualize</span>
+<span id="L954" class="LineNr"> 954 </span><span class="muComment">#############</span>
+<span id="L955" class="LineNr"> 955 </span>
+<span id="L956" class="LineNr"> 956 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L956'>evaluate-environment</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>), stack: (addr value-stack) <span class="Delimiter">{</span>
+<span id="L957" class="LineNr"> 957 </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="L958" class="LineNr"> 958 </span>  <span class="muComment"># functions</span>
+<span id="L959" class="LineNr"> 959 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
+<span id="L960" class="LineNr"> 960 </span>  <span class="muComment"># line</span>
+<span id="L961" class="LineNr"> 961 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">esi</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
+<span id="L962" class="LineNr"> 962 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
+<span id="L963" class="LineNr"> 963 </span>  <span class="PreProc">var</span> line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L964" class="LineNr"> 964 </span>  <span class="PreProc">var</span> _line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *line-ah
+<span id="L965" class="LineNr"> 965 </span>  <span class="PreProc">var</span> line/<span class="Constant">esi</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
+<span id="L966" class="LineNr"> 966 </span>  evaluate functions, <span class="Constant">0</span>, line, <span class="Constant">0</span>, stack
+<span id="L967" class="LineNr"> 967 </span><span class="Delimiter">}</span>
+<span id="L968" class="LineNr"> 968 </span>
+<span id="L969" class="LineNr"> 969 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L969'>render</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
+<span id="L970" class="LineNr"> 970 </span><span class="CommentedCode">#?   print-string 0, &quot;== render\n&quot;</span>
+<span id="L971" class="LineNr"> 971 </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="L972" class="LineNr"> 972 </span>  <a href='environment.mu.html#L1466'>clear-canvas</a> env
+<span id="L973" class="LineNr"> 973 </span>  <span class="muComment"># screen</span>
+<span id="L974" class="LineNr"> 974 </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="L975" class="LineNr"> 975 </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="L976" class="LineNr"> 976 </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="L977" class="LineNr"> 977 </span>  <span class="muComment"># repl-col</span>
+<span id="L978" class="LineNr"> 978 </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="L979" class="LineNr"> 979 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
+<span id="L980" class="LineNr"> 980 </span>  repl-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># repl-margin-left</span>
+<span id="L981" class="LineNr"> 981 </span>  <span class="muComment"># functions</span>
+<span id="L982" class="LineNr"> 982 </span>  <span class="PreProc">var</span> functions/<span class="Constant">edx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
+<span id="L983" class="LineNr"> 983 </span>  <span class="muComment"># sandbox</span>
+<span id="L984" class="LineNr"> 984 </span>  <span class="PreProc">var</span> sandbox-ah/<span class="Constant">eax</span>: (addr handle sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, sandboxes
+<span id="L985" class="LineNr"> 985 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">eax</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *sandbox-ah
+<span id="L986" class="LineNr"> 986 </span>  <span class="muComment"># bindings</span>
+<span id="L987" class="LineNr"> 987 </span>  <span class="PreProc">var</span> bindings-storage: table
+<span id="L988" class="LineNr"> 988 </span>  <span class="PreProc">var</span> bindings/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings-storage
+<span id="L989" class="LineNr"> 989 </span>  initialize-table bindings, <span class="Constant">0x10</span>
+<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>  <a href='environment.mu.html#L995'>render-sandbox</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, sandbox, <span class="Constant">3</span>, repl-col
+<span id="L992" class="LineNr"> 992 </span><span class="CommentedCode">#?   print-string 0, &quot;render-sandbox }\n&quot;</span>
+<span id="L993" class="LineNr"> 993 </span><span class="Delimiter">}</span>
+<span id="L994" class="LineNr"> 994 </span>
+<span id="L995" class="LineNr"> 995 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L995'>render-sandbox</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int <span class="Delimiter">{</span>
+<span id="L996" class="LineNr"> 996 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L997" class="LineNr"> 997 </span>  <span class="muComment"># line</span>
+<span id="L998" class="LineNr"> 998 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L999" class="LineNr"> 999 </span>  <span class="PreProc">var</span> _curr-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
+<span id="L1000" class="LineNr">1000 </span>  <span class="PreProc">var</span> curr-line/<span class="Constant">ecx</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _curr-line
+<span id="L1001" class="LineNr">1001 </span>  <span class="muComment">#</span>
+<span id="L1002" class="LineNr">1002 </span>  <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
+<span id="L1003" class="LineNr">1003 </span>  <span class="muComment"># cursor row, col</span>
+<span id="L1004" class="LineNr">1004 </span>  <span class="PreProc">var</span> cursor-row: int
+<span id="L1005" class="LineNr">1005 </span>  <span class="PreProc">var</span> cursor-row-addr: (addr int)
+<span id="L1006" class="LineNr">1006 </span>  <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> address cursor-row
+<span id="L1007" class="LineNr">1007 </span>  copy-to cursor-row-addr, tmp
+<span id="L1008" class="LineNr">1008 </span>  <span class="PreProc">var</span> cursor-col: int
+<span id="L1009" class="LineNr">1009 </span>  <span class="PreProc">var</span> cursor-col-addr: (addr int)
+<span id="L1010" class="LineNr">1010 </span>  tmp <span class="SpecialChar">&lt;-</span> address cursor-col
+<span id="L1011" class="LineNr">1011 </span>  copy-to cursor-col-addr, tmp
+<span id="L1012" class="LineNr">1012 </span>  <span class="muComment"># render all but final line without stack</span>
+<span id="L1013" class="LineNr">1013 </span><span class="CommentedCode">#?   print-string 0, &quot;render all but final line\n&quot;</span>
+<span id="L1014" class="LineNr">1014 </span>  <span class="Delimiter">{</span>
+<span id="L1015" class="LineNr">1015 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
+<span id="L1016" class="LineNr">1016 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
+<span id="L1017" class="LineNr">1017 </span>    compare next-line, <span class="Constant">0</span>
+<span id="L1018" class="LineNr">1018 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1019" class="LineNr">1019 </span>    <span class="Delimiter">{</span>
+<span id="L1020" class="LineNr">1020 </span>      <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L1021" class="LineNr">1021 </span>      <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L1022" class="LineNr">1022 </span>      <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
+<span id="L1023" class="LineNr">1023 </span>      <span class="PreProc">var</span> cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L1024" class="LineNr">1024 </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="L1025" class="LineNr">1025 </span>      <a href='environment.mu.html#L1176'>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="L1026" class="LineNr">1026 </span>    <span class="Delimiter">}</span>
+<span id="L1027" class="LineNr">1027 </span>    curr-line <span class="SpecialChar">&lt;-</span> copy next-line
+<span id="L1028" class="LineNr">1028 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1029" class="LineNr">1029 </span>    <span class="PreProc">loop</span>
+<span id="L1030" class="LineNr">1030 </span>  <span class="Delimiter">}</span>
+<span id="L1031" class="LineNr">1031 </span>  <span class="muComment">#</span>
+<span id="L1032" class="LineNr">1032 </span>  <a href='environment.mu.html#L1039'>render-final-line-with-stack</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, sandbox, curr-row, left-col, cursor-row-addr, cursor-col-addr
+<span id="L1033" class="LineNr">1033 </span>  <span class="muComment"># at most one of the following dialogs will be rendered</span>
+<span id="L1034" class="LineNr">1034 </span>  <a href='environment.mu.html#L1091'>render-rename-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, sandbox, cursor-row, cursor-col
+<span id="L1035" class="LineNr">1035 </span>  <a href='environment.mu.html#L1133'>render-define-dialog</a> <a href='../../405screen.mu.html#L9'>screen</a>, sandbox, cursor-row, cursor-col
+<span id="L1036" class="LineNr">1036 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, cursor-col
+<span id="L1037" class="LineNr">1037 </span><span class="Delimiter">}</span>
+<span id="L1038" class="LineNr">1038 </span>
+<span id="L1039" class="LineNr">1039 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1039'>render-final-line-with-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int, cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
+<span id="L1040" class="LineNr">1040 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1041" class="LineNr">1041 </span>  <span class="muComment"># expanded-words</span>
+<span id="L1042" class="LineNr">1042 </span>  <span class="PreProc">var</span> expanded-words/<span class="Constant">edi</span>: (addr handle call-path) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, expanded-words
+<span id="L1043" class="LineNr">1043 </span>  <span class="muComment"># cursor-word</span>
+<span id="L1044" class="LineNr">1044 </span>  <span class="PreProc">var</span> cursor-call-path-ah/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L1045" class="LineNr">1045 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-call-path-ah
+<span id="L1046" class="LineNr">1046 </span>  <span class="PreProc">var</span> cursor-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> cursor-call-path, word
+<span id="L1047" class="LineNr">1047 </span>  <span class="PreProc">var</span> _cursor-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *cursor-word-ah
+<span id="L1048" class="LineNr">1048 </span>  <span class="PreProc">var</span> cursor-word/<span class="Constant">ebx</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _cursor-word
+<span id="L1049" class="LineNr">1049 </span><span class="CommentedCode">#?   print-string 0, &quot;word at cursor: &quot;</span>
+<span id="L1050" class="LineNr">1050 </span><span class="CommentedCode">#?   print-word 0, cursor-word</span>
+<span id="L1051" class="LineNr">1051 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
+<span id="L1052" class="LineNr">1052 </span>  <span class="muComment"># cursor-call-path</span>
+<span id="L1053" class="LineNr">1053 </span>  <span class="PreProc">var</span> cursor-call-path: (addr handle call-path-element)
+<span id="L1054" class="LineNr">1054 </span>  <span class="Delimiter">{</span>
+<span id="L1055" class="LineNr">1055 </span>    <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L1056" class="LineNr">1056 </span>    copy-to cursor-call-path, src
+<span id="L1057" class="LineNr">1057 </span>  <span class="Delimiter">}</span>
+<span id="L1058" class="LineNr">1058 </span>  <span class="muComment"># first line</span>
+<span id="L1059" class="LineNr">1059 </span>  <span class="PreProc">var</span> first-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L1060" class="LineNr">1060 </span>  <span class="PreProc">var</span> _first-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-line-ah
+<span id="L1061" class="LineNr">1061 </span>  <span class="PreProc">var</span> first-line/<span class="Constant">edx</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _first-line
+<span id="L1062" class="LineNr">1062 </span>  <span class="muComment"># final line</span>
+<span id="L1063" class="LineNr">1063 </span>  <span class="PreProc">var</span> final-line-storage: (handle line)
+<span id="L1064" class="LineNr">1064 </span>  <span class="PreProc">var</span> final-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> address final-line-storage
+<span id="L1065" class="LineNr">1065 </span>  <a href='environment.mu.html#L1076'>final-line</a> sandbox, final-line-ah
+<span id="L1066" class="LineNr">1066 </span>  <span class="PreProc">var</span> <a href='environment.mu.html#L1076'>final-line</a>/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *final-line-ah
+<span id="L1067" class="LineNr">1067 </span>  <span class="muComment"># curr-path</span>
+<span id="L1068" class="LineNr">1068 </span>  <span class="PreProc">var</span> curr-path-storage: (handle call-path-element)
+<span id="L1069" class="LineNr">1069 </span>  <span class="PreProc">var</span> curr-path/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> address curr-path-storage
+<span id="L1070" class="LineNr">1070 </span>  <a href='../../120allocate.subx.html#L66'>allocate</a> curr-path  <span class="muComment"># leak</span>
+<span id="L1071" class="LineNr">1071 </span>  initialize-path-from-line <a href='environment.mu.html#L1076'>final-line</a>, curr-path
+<span id="L1072" class="LineNr">1072 </span>  <span class="muComment">#</span>
+<span id="L1073" class="LineNr">1073 </span>  <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1263'>render-line</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings, first-line, <a href='environment.mu.html#L1076'>final-line</a>, expanded-words, top-row, left-col, curr-path, cursor-word, cursor-call-path, cursor-row-addr, cursor-col-addr
+<span id="L1074" class="LineNr">1074 </span><span class="Delimiter">}</span>
+<span id="L1075" class="LineNr">1075 </span>
+<span id="L1076" class="LineNr">1076 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1076'>final-line</a></span> _sandbox: (addr sandbox), out: (addr handle line) <span class="Delimiter">{</span>
+<span id="L1077" class="LineNr">1077 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1078" class="LineNr">1078 </span>  <span class="PreProc">var</span> curr-line-ah/<span class="Constant">ecx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, data
+<span id="L1079" class="LineNr">1079 </span>  <span class="Delimiter">{</span>
+<span id="L1080" class="LineNr">1080 </span>    <span class="PreProc">var</span> curr-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-line-ah
+<span id="L1081" class="LineNr">1081 </span>    <span class="PreProc">var</span> next-line-ah/<span class="Constant">edx</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-line, next
+<span id="L1082" class="LineNr">1082 </span>    <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah
+<span id="L1083" class="LineNr">1083 </span>    compare next-line, <span class="Constant">0</span>
+<span id="L1084" class="LineNr">1084 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1085" class="LineNr">1085 </span>    curr-line-ah <span class="SpecialChar">&lt;-</span> copy next-line-ah
+<span id="L1086" class="LineNr">1086 </span>    <span class="PreProc">loop</span>
+<span id="L1087" class="LineNr">1087 </span>  <span class="Delimiter">}</span>
+<span id="L1088" class="LineNr">1088 </span>  copy-object curr-line-ah, out
+<span id="L1089" class="LineNr">1089 </span><span class="Delimiter">}</span>
+<span id="L1090" class="LineNr">1090 </span>
+<span id="L1091" class="LineNr">1091 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1091'>render-rename-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
+<span id="L1092" class="LineNr">1092 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1093" class="LineNr">1093 </span>  <span class="PreProc">var</span> rename-word-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
+<span id="L1094" class="LineNr">1094 </span>  <span class="PreProc">var</span> rename-word-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *rename-word-mode-ah?
+<span id="L1095" class="LineNr">1095 </span>  compare rename-word-mode?, <span class="Constant">0</span>
+<span id="L1096" class="LineNr">1096 </span>  <span class="PreProc">break-if-=</span>
+<span id="L1097" class="LineNr">1097 </span>  <span class="muComment"># clear a space for the dialog</span>
+<span id="L1098" class="LineNr">1098 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1099" class="LineNr">1099 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
+<span id="L1100" class="LineNr">1100 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1101" class="LineNr">1101 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
+<span id="L1102" class="LineNr">1102 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1103" class="LineNr">1103 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
+<span id="L1104" class="LineNr">1104 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1105" class="LineNr">1105 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
+<span id="L1106" class="LineNr">1106 </span>  clear-rect <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1107" class="LineNr">1107 </span>  draw-box <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1108" class="LineNr">1108 </span>  <span class="muComment"># render a little menu for the dialog</span>
+<span id="L1109" class="LineNr">1109 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
+<span id="L1110" class="LineNr">1110 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1111" class="LineNr">1111 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1112" class="LineNr">1112 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1113" class="LineNr">1113 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
+<span id="L1114" class="LineNr">1114 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</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; esc &quot;</span>
+<span id="L1116" class="LineNr">1116 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</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; cancel  &quot;</span>
+<span id="L1118" class="LineNr">1118 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</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; enter &quot;</span>
+<span id="L1120" class="LineNr">1120 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1121" class="LineNr">1121 </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="L1122" class="LineNr">1122 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
+<span id="L1123" class="LineNr">1123 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1124" class="LineNr">1124 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-cursor-word
+<span id="L1125" class="LineNr">1125 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1126" class="LineNr">1126 </span>  <span class="PreProc">var</span> cursor-index/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index word
+<span id="L1127" class="LineNr">1127 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract cursor-index
+<span id="L1128" class="LineNr">1128 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
+<span id="L1129" class="LineNr">1129 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1130" class="LineNr">1130 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, word
+<span id="L1131" class="LineNr">1131 </span><span class="Delimiter">}</span>
+<span id="L1132" class="LineNr">1132 </span>
+<span id="L1133" class="LineNr">1133 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1133'>render-define-dialog</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int <span class="Delimiter">{</span>
+<span id="L1134" class="LineNr">1134 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">edi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1135" class="LineNr">1135 </span>  <span class="PreProc">var</span> define-function-mode-ah?/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
+<span id="L1136" class="LineNr">1136 </span>  <span class="PreProc">var</span> define-function-mode?/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *define-function-mode-ah?
+<span id="L1137" class="LineNr">1137 </span>  compare define-function-mode?, <span class="Constant">0</span>
+<span id="L1138" class="LineNr">1138 </span>  <span class="PreProc">break-if-=</span>
+<span id="L1139" class="LineNr">1139 </span>  <span class="muComment"># clear a space for the dialog</span>
+<span id="L1140" class="LineNr">1140 </span>  <span class="PreProc">var</span> top-row/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1141" class="LineNr">1141 </span>  top-row <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">3</span>
+<span id="L1142" class="LineNr">1142 </span>  <span class="PreProc">var</span> bottom-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-row
+<span id="L1143" class="LineNr">1143 </span>  bottom-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">3</span>
+<span id="L1144" class="LineNr">1144 </span>  <span class="PreProc">var</span> left-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1145" class="LineNr">1145 </span>  left-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x10</span>
+<span id="L1146" class="LineNr">1146 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1147" class="LineNr">1147 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">0x10</span>
+<span id="L1148" class="LineNr">1148 </span>  clear-rect <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1149" class="LineNr">1149 </span>  draw-box <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col, bottom-row, right-col
+<span id="L1150" class="LineNr">1150 </span>  <span class="muComment"># render a little menu for the dialog</span>
+<span id="L1151" class="LineNr">1151 </span>  <span class="PreProc">var</span> menu-row/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy bottom-row
+<span id="L1152" class="LineNr">1152 </span>  menu-row <span class="SpecialChar">&lt;-</span> decrement
+<span id="L1153" class="LineNr">1153 </span>  <span class="PreProc">var</span> menu-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1154" class="LineNr">1154 </span>  menu-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1155" class="LineNr">1155 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, menu-row, menu-col
+<span id="L1156" class="LineNr">1156 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</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; esc &quot;</span>
+<span id="L1158" class="LineNr">1158 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</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; cancel  &quot;</span>
+<span id="L1160" class="LineNr">1160 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</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; enter &quot;</span>
+<span id="L1162" class="LineNr">1162 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1163" class="LineNr">1163 </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="L1164" class="LineNr">1164 </span>  <span class="muComment"># draw the word, positioned appropriately around the cursor</span>
+<span id="L1165" class="LineNr">1165 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy cursor-col
+<span id="L1166" class="LineNr">1166 </span>  <span class="PreProc">var</span> word-ah?/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, partial-name-for-function
+<span id="L1167" class="LineNr">1167 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1168" class="LineNr">1168 </span>  <span class="PreProc">var</span> cursor-index/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index word
+<span id="L1169" class="LineNr">1169 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract cursor-index
+<span id="L1170" class="LineNr">1170 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, cursor-row, start-col
+<span id="L1171" class="LineNr">1171 </span>  <span class="PreProc">var</span> word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah?
+<span id="L1172" class="LineNr">1172 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, word
+<span id="L1173" class="LineNr">1173 </span><span class="Delimiter">}</span>
+<span id="L1174" class="LineNr">1174 </span>
+<span id="L1175" class="LineNr">1175 </span><span class="muComment"># Render just the words in 'line'.</span>
+<span id="L1176" class="LineNr">1176 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1176'>render-line-without-stack</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _line: (addr line), curr-row: int, left-col: int, cursor-word: (addr word), cursor-row-addr: (addr int), cursor-col-addr: (addr int) <span class="Delimiter">{</span>
+<span id="L1177" class="LineNr">1177 </span>  <span class="muComment"># curr-word</span>
+<span id="L1178" class="LineNr">1178 </span>  <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
+<span id="L1179" class="LineNr">1179 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
+<span id="L1180" class="LineNr">1180 </span>  <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
+<span id="L1181" class="LineNr">1181 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">esi</span>: (addr word) <span class="SpecialChar">&lt;-</span> copy _curr-word
+<span id="L1182" class="LineNr">1182 </span>  <span class="muComment">#</span>
+<span id="L1183" class="LineNr">1183 </span>  <span class="muComment"># loop-carried dependency</span>
+<span id="L1184" class="LineNr">1184 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1185" class="LineNr">1185 </span>  <span class="muComment">#</span>
+<span id="L1186" class="LineNr">1186 </span>  <span class="Delimiter">{</span>
+<span id="L1187" class="LineNr">1187 </span>    compare curr-word, <span class="Constant">0</span>
+<span id="L1188" class="LineNr">1188 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1189" class="LineNr">1189 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word in penultimate lines: &quot;</span>
+<span id="L1190" class="LineNr">1190 </span><span class="CommentedCode">#?     {</span>
+<span id="L1191" class="LineNr">1191 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
+<span id="L1192" class="LineNr">1192 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
+<span id="L1193" class="LineNr">1193 </span><span class="CommentedCode">#?     }</span>
+<span id="L1194" class="LineNr">1194 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L1195" class="LineNr">1195 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
+<span id="L1196" class="LineNr">1196 </span>    <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1197" class="LineNr">1197 </span>    <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, curr-col
+<span id="L1198" class="LineNr">1198 </span>    print-word <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
+<span id="L1199" class="LineNr">1199 </span>    <span class="Delimiter">{</span>
+<span id="L1200" class="LineNr">1200 </span>      <span class="PreProc">var</span> max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length curr-word
+<span id="L1201" class="LineNr">1201 </span>      curr-col <span class="SpecialChar">&lt;-</span> add max-width
+<span id="L1202" class="LineNr">1202 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
+<span id="L1203" class="LineNr">1203 </span>    <span class="Delimiter">}</span>
+<span id="L1204" class="LineNr">1204 </span>    <span class="muComment"># cache cursor column if necessary</span>
+<span id="L1205" class="LineNr">1205 </span>    <span class="Delimiter">{</span>
+<span id="L1206" class="LineNr">1206 </span>      compare curr-word, cursor-word
+<span id="L1207" class="LineNr">1207 </span>      <span class="PreProc">break-if-!=</span>
+<span id="L1208" class="LineNr">1208 </span><span class="CommentedCode">#?       print-string 0, &quot;Cursor at &quot;</span>
+<span id="L1209" class="LineNr">1209 </span><span class="CommentedCode">#?       print-int32-decimal 0, curr-row</span>
+<span id="L1210" class="LineNr">1210 </span><span class="CommentedCode">#?       print-string 0, &quot;, &quot;</span>
+<span id="L1211" class="LineNr">1211 </span><span class="CommentedCode">#?       print-int32-decimal 0, old-col</span>
+<span id="L1212" class="LineNr">1212 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L1213" class="LineNr">1213 </span><span class="CommentedCode">#?       print-string 0, &quot;contents: &quot;</span>
+<span id="L1214" class="LineNr">1214 </span><span class="CommentedCode">#?       print-word 0, cursor-word</span>
+<span id="L1215" class="LineNr">1215 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L1216" class="LineNr">1216 </span><span class="CommentedCode">#?       {</span>
+<span id="L1217" class="LineNr">1217 </span><span class="CommentedCode">#?         var foo/eax: int &lt;- copy cursor-word</span>
+<span id="L1218" class="LineNr">1218 </span><span class="CommentedCode">#?         print-int32-hex 0, foo</span>
+<span id="L1219" class="LineNr">1219 </span><span class="CommentedCode">#?         print-string 0, &quot;\n&quot;</span>
+<span id="L1220" class="LineNr">1220 </span><span class="CommentedCode">#?       }</span>
+<span id="L1221" class="LineNr">1221 </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="L1222" class="LineNr">1222 </span>      <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy curr-row
+<span id="L1223" class="LineNr">1223 </span>      copy-to *dest, src
+<span id="L1224" class="LineNr">1224 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
+<span id="L1225" class="LineNr">1225 </span>      copy-to *dest, old-col
+<span id="L1226" class="LineNr">1226 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index curr-word
+<span id="L1227" class="LineNr">1227 </span>      add-to *dest, cursor-index-in-word
+<span id="L1228" class="LineNr">1228 </span>    <span class="Delimiter">}</span>
+<span id="L1229" class="LineNr">1229 </span>    <span class="muComment"># loop update</span>
+<span id="L1230" class="LineNr">1230 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
+<span id="L1231" class="LineNr">1231 </span>    <span class="PreProc">var</span> _curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L1232" class="LineNr">1232 </span>    curr-word <span class="SpecialChar">&lt;-</span> copy _curr-word
+<span id="L1233" class="LineNr">1233 </span>    <span class="PreProc">loop</span>
+<span id="L1234" class="LineNr">1234 </span>  <span class="Delimiter">}</span>
+<span id="L1235" class="LineNr">1235 </span><span class="Delimiter">}</span>
+<span id="L1236" class="LineNr">1236 </span>
+<span id="L1237" class="LineNr">1237 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1237'>call-depth-at-cursor</a></span> _sandbox: (addr sandbox)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L1238" class="LineNr">1238 </span>  <span class="PreProc">var</span> sandbox/<span class="Constant">esi</span>: (addr sandbox) <span class="SpecialChar">&lt;-</span> copy _sandbox
+<span id="L1239" class="LineNr">1239 </span>  <span class="PreProc">var</span> cursor-call-path/<span class="Constant">edi</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> sandbox, cursor-call-path
+<span id="L1240" class="LineNr">1240 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1245'>call-path-element-length</a> cursor-call-path
+<span id="L1241" class="LineNr">1241 </span>  result <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># input-row - 1</span>
+<span id="L1242" class="LineNr">1242 </span>  <span class="PreProc">return</span> result
+<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-path-element-length</a></span> _x: (addr handle call-path-element)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
+<span id="L1246" class="LineNr">1246 </span>  <span class="PreProc">var</span> curr-ah/<span class="Constant">ecx</span>: (addr handle call-path-element) <span class="SpecialChar">&lt;-</span> copy _x
+<span id="L1247" class="LineNr">1247 </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="L1248" class="LineNr">1248 </span>  <span class="Delimiter">{</span>
+<span id="L1249" class="LineNr">1249 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr call-path-element) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-ah
+<span id="L1250" class="LineNr">1250 </span>    compare curr, <span class="Constant">0</span>
+<span id="L1251" class="LineNr">1251 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1252" class="LineNr">1252 </span>    curr-ah <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
+<span id="L1253" class="LineNr">1253 </span>    result <span class="SpecialChar">&lt;-</span> increment
+<span id="L1254" class="LineNr">1254 </span>    <span class="PreProc">loop</span>
+<span id="L1255" class="LineNr">1255 </span>  <span class="Delimiter">}</span>
+<span id="L1256" class="LineNr">1256 </span>  <span class="PreProc">return</span> result
+<span id="L1257" class="LineNr">1257 </span><span class="Delimiter">}</span>
+<span id="L1258" class="LineNr">1258 </span>
+<span id="L1259" class="LineNr">1259 </span><span class="muComment"># Render the line of words in line, along with the state of the stack under each word.</span>
+<span id="L1260" class="LineNr">1260 </span><span class="muComment"># Also render any expanded function calls using recursive calls.</span>
+<span id="L1261" class="LineNr">1261 </span><span class="muComment">#</span>
+<span id="L1262" class="LineNr">1262 </span><span class="muComment"># Along the way, compute the column the cursor should be positioned at (cursor-col-addr).</span>
+<span id="L1263" class="LineNr">1263 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1263'>render-line</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), first-line: (addr line), _line: (addr line), expanded-words: (addr handle call-path), top-row: int, left-col: int, curr-path: (addr handle call-path-element), cursor-word: (addr word), cursor-call-path: (addr handle call-path-element), cursor-row-addr: (addr int), cursor-col-addr: (addr int)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L1264" class="LineNr">1264 </span><span class="CommentedCode">#?   print-string 0, &quot;render-line\n&quot;</span>
+<span id="L1265" class="LineNr">1265 </span><span class="CommentedCode">#?   dump-table bindings</span>
+<span id="L1266" class="LineNr">1266 </span>  <span class="muComment"># curr-word</span>
+<span id="L1267" class="LineNr">1267 </span>  <span class="PreProc">var</span> line/<span class="Constant">esi</span>: (addr line) <span class="SpecialChar">&lt;-</span> copy _line
+<span id="L1268" class="LineNr">1268 </span>  <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> line, data
+<span id="L1269" class="LineNr">1269 </span>  <span class="PreProc">var</span> curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *first-word-ah
+<span id="L1270" class="LineNr">1270 </span>  <span class="muComment">#</span>
+<span id="L1271" class="LineNr">1271 </span>  <span class="muComment"># loop-carried dependency</span>
+<span id="L1272" class="LineNr">1272 </span>  <span class="PreProc">var</span> curr-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1273" class="LineNr">1273 </span>  <span class="muComment">#</span>
+<span id="L1274" class="LineNr">1274 </span>  <span class="Delimiter">{</span>
+<span id="L1275" class="LineNr">1275 </span>    compare curr-word, <span class="Constant">0</span>
+<span id="L1276" class="LineNr">1276 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1277" class="LineNr">1277 </span><span class="CommentedCode">#?     print-string 0, &quot;-- word &quot;</span>
+<span id="L1278" class="LineNr">1278 </span><span class="CommentedCode">#?     print-word 0, curr-word</span>
+<span id="L1279" class="LineNr">1279 </span><span class="CommentedCode">#?     print-string 0, &quot;\n&quot;</span>
+<span id="L1280" class="LineNr">1280 </span>    <span class="muComment"># if necessary, first render columns for subsidiary stack</span>
+<span id="L1281" class="LineNr">1281 </span>    $render-line:subsidiary: <span class="Delimiter">{</span>
+<span id="L1282" class="LineNr">1282 </span>      <span class="Delimiter">{</span>
+<span id="L1283" class="LineNr">1283 </span><span class="CommentedCode">#?         print-string 0, &quot;check sub\n&quot;</span>
+<span id="L1284" class="LineNr">1284 </span>        <span class="PreProc">var</span> display-subsidiary-stack?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> find-in-call-paths expanded-words, curr-path
+<span id="L1285" class="LineNr">1285 </span>        compare display-subsidiary-stack?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L1286" class="LineNr">1286 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
+<span id="L1287" class="LineNr">1287 </span>      <span class="Delimiter">}</span>
+<span id="L1288" class="LineNr">1288 </span><span class="CommentedCode">#?       print-string 0, &quot;render subsidiary stack\n&quot;</span>
+<span id="L1289" class="LineNr">1289 </span>      <span class="muComment"># does function exist?</span>
+<span id="L1290" class="LineNr">1290 </span>      <span class="PreProc">var</span> <a href='environment.mu.html#L1389'>callee</a>/<span class="Constant">edi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L1291" class="LineNr">1291 </span>      <span class="Delimiter">{</span>
+<span id="L1292" class="LineNr">1292 </span>        <span class="PreProc">var</span> callee-h: (handle function)
+<span id="L1293" class="LineNr">1293 </span>        <span class="PreProc">var</span> callee-ah/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> address callee-h
+<span id="L1294" class="LineNr">1294 </span>        <a href='environment.mu.html#L1389'>callee</a> functions, curr-word, callee-ah
+<span id="L1295" class="LineNr">1295 </span>        <span class="PreProc">var</span> _callee/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah
+<span id="L1296" class="LineNr">1296 </span>        <a href='environment.mu.html#L1389'>callee</a> <span class="SpecialChar">&lt;-</span> copy _callee
+<span id="L1297" class="LineNr">1297 </span>        compare <a href='environment.mu.html#L1389'>callee</a>, <span class="Constant">0</span>
+<span id="L1298" class="LineNr">1298 </span>        <span class="PreProc">break-if-=</span> $render-line:subsidiary
+<span id="L1299" class="LineNr">1299 </span>      <span class="Delimiter">}</span>
+<span id="L1300" class="LineNr">1300 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
+<span id="L1301" class="LineNr">1301 </span>      <a href='../../405screen.mu.html#L508'>start-color</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">8</span>, <span class="Constant">7</span>
+<span id="L1302" class="LineNr">1302 </span>      print-word <a href='../../405screen.mu.html#L9'>screen</a>, curr-word
+<span id="L1303" class="LineNr">1303 </span>      <span class="Delimiter">{</span>
+<span id="L1304" class="LineNr">1304 </span>        <span class="PreProc">var</span> word-len/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length curr-word
+<span id="L1305" class="LineNr">1305 </span>        curr-col <span class="SpecialChar">&lt;-</span> add word-len
+<span id="L1306" class="LineNr">1306 </span>        curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1307" class="LineNr">1307 </span>        increment top-row
+<span id="L1308" class="LineNr">1308 </span>      <span class="Delimiter">}</span>
+<span id="L1309" class="LineNr">1309 </span>      <span class="muComment"># obtain stack at call site</span>
+<span id="L1310" class="LineNr">1310 </span>      <span class="PreProc">var</span> stack-storage: value-stack
+<span id="L1311" class="LineNr">1311 </span>      <span class="PreProc">var</span> stack/<span class="Constant">edx</span>: (addr value-stack) <span class="SpecialChar">&lt;-</span> address stack-storage
+<span id="L1312" class="LineNr">1312 </span>      initialize-value-stack stack, <span class="Constant">0x10</span>
+<span id="L1313" class="LineNr">1313 </span>      <span class="Delimiter">{</span>
+<span id="L1314" class="LineNr">1314 </span>        <span class="PreProc">var</span> prev-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, prev
+<span id="L1315" class="LineNr">1315 </span>        <span class="PreProc">var</span> prev-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *prev-word-ah
+<span id="L1316" class="LineNr">1316 </span>        compare prev-word, <span class="Constant">0</span>
+<span id="L1317" class="LineNr">1317 </span>        <span class="PreProc">break-if-=</span>
+<span id="L1318" class="LineNr">1318 </span>        <span class="PreProc">var</span> bindings2-storage: table
+<span id="L1319" class="LineNr">1319 </span>        <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings2-storage
+<span id="L1320" class="LineNr">1320 </span>        deep-copy-table bindings, bindings2
+<span id="L1321" class="LineNr">1321 </span>        evaluate functions, bindings2, first-line, prev-word, stack
+<span id="L1322" class="LineNr">1322 </span>      <span class="Delimiter">}</span>
+<span id="L1323" class="LineNr">1323 </span>      <span class="muComment"># construct new bindings</span>
+<span id="L1324" class="LineNr">1324 </span>      <span class="PreProc">var</span> callee-bindings-storage: table
+<span id="L1325" class="LineNr">1325 </span>      <span class="PreProc">var</span> callee-bindings/<span class="Constant">esi</span>: (addr table) <span class="SpecialChar">&lt;-</span> address callee-bindings-storage
+<span id="L1326" class="LineNr">1326 </span>      initialize-table callee-bindings, <span class="Constant">0x10</span>
+<span id="L1327" class="LineNr">1327 </span>      bind-args <a href='environment.mu.html#L1389'>callee</a>, stack, callee-bindings
+<span id="L1328" class="LineNr">1328 </span>      <span class="muComment"># obtain body</span>
+<span id="L1329" class="LineNr">1329 </span>      <span class="PreProc">var</span> callee-body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> <a href='environment.mu.html#L1389'>callee</a>, body
+<span id="L1330" class="LineNr">1330 </span>      <span class="PreProc">var</span> callee-body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-body-ah
+<span id="L1331" class="LineNr">1331 </span>      <span class="PreProc">var</span> callee-body-first-word/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> callee-body, data
+<span id="L1332" class="LineNr">1332 </span>      <span class="muComment"># - render subsidiary stack</span>
+<span id="L1333" class="LineNr">1333 </span>      push-to-call-path-element curr-path, callee-body-first-word  <span class="muComment"># leak</span>
+<span id="L1334" class="LineNr">1334 </span><span class="CommentedCode">#?       print-string 0, &quot;subsidiary {\n&quot;</span>
+<span id="L1335" class="LineNr">1335 </span><span class="CommentedCode">#?       dump-table callee-bindings</span>
+<span id="L1336" class="LineNr">1336 </span><span class="CommentedCode">#?       syscall_exit</span>
+<span id="L1337" class="LineNr">1337 </span>      curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1263'>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="L1338" class="LineNr">1338 </span><span class="CommentedCode">#?       print-string 0, &quot;}\n&quot;</span>
+<span id="L1339" class="LineNr">1339 </span>      drop-from-call-path-element curr-path
+<span id="L1340" class="LineNr">1340 </span>      <span class="muComment">#</span>
+<span id="L1341" class="LineNr">1341 </span>      <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, curr-col
+<span id="L1342" class="LineNr">1342 </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="L1343" class="LineNr">1343 </span>      <span class="muComment">#</span>
+<span id="L1344" class="LineNr">1344 </span>      curr-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1345" class="LineNr">1345 </span>      decrement top-row
+<span id="L1346" class="LineNr">1346 </span>    <span class="Delimiter">}</span>
+<span id="L1347" class="LineNr">1347 </span>    <span class="muComment"># render main column</span>
+<span id="L1348" class="LineNr">1348 </span>    <span class="PreProc">var</span> old-col/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy curr-col
+<span id="L1349" class="LineNr">1349 </span>    <span class="PreProc">var</span> bindings2-storage: table
+<span id="L1350" class="LineNr">1350 </span>    <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings2-storage
+<span id="L1351" class="LineNr">1351 </span><span class="CommentedCode">#?     print-string 0, &quot;deep-copy {\n&quot;</span>
+<span id="L1352" class="LineNr">1352 </span>    deep-copy-table bindings, bindings2
+<span id="L1353" class="LineNr">1353 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
+<span id="L1354" class="LineNr">1354 </span><span class="CommentedCode">#?     print-string 0, &quot;render column {\n&quot;</span>
+<span id="L1355" class="LineNr">1355 </span>    curr-col <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1401'>render-column</a> <a href='../../405screen.mu.html#L9'>screen</a>, functions, bindings2, first-line, line, curr-word, top-row, curr-col
+<span id="L1356" class="LineNr">1356 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
+<span id="L1357" class="LineNr">1357 </span>    <span class="muComment"># cache cursor column if necessary</span>
+<span id="L1358" class="LineNr">1358 </span>    $render-line:cache-cursor-column: <span class="Delimiter">{</span>
+<span id="L1359" class="LineNr">1359 </span>      <span class="Delimiter">{</span>
+<span id="L1360" class="LineNr">1360 </span>        <span class="PreProc">var</span> found?/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> call-path-element-match? curr-path, cursor-call-path
+<span id="L1361" class="LineNr">1361 </span>        compare found?, <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L1362" class="LineNr">1362 </span>        <span class="PreProc">break-if-=</span> $render-line:cache-cursor-column
+<span id="L1363" class="LineNr">1363 </span>      <span class="Delimiter">}</span>
+<span id="L1364" class="LineNr">1364 </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="L1365" class="LineNr">1365 </span>      <span class="Delimiter">{</span>
+<span id="L1366" class="LineNr">1366 </span>        <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
+<span id="L1367" class="LineNr">1367 </span>        copy-to *dest, src
+<span id="L1368" class="LineNr">1368 </span>      <span class="Delimiter">}</span>
+<span id="L1369" class="LineNr">1369 </span>      dest <span class="SpecialChar">&lt;-</span> copy cursor-col-addr
+<span id="L1370" class="LineNr">1370 </span>      copy-to *dest, old-col
+<span id="L1371" class="LineNr">1371 </span>      <span class="PreProc">var</span> cursor-index-in-word/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> cursor-index curr-word
+<span id="L1372" class="LineNr">1372 </span>      add-to *dest, cursor-index-in-word
+<span id="L1373" class="LineNr">1373 </span>    <span class="Delimiter">}</span>
+<span id="L1374" class="LineNr">1374 </span>    <span class="muComment"># loop update</span>
+<span id="L1375" class="LineNr">1375 </span><span class="CommentedCode">#?     print-string 0, &quot;next word\n&quot;</span>
+<span id="L1376" class="LineNr">1376 </span>    <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next
+<span id="L1377" class="LineNr">1377 </span>    curr-word <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah
+<span id="L1378" class="LineNr">1378 </span><span class="CommentedCode">#?     {</span>
+<span id="L1379" class="LineNr">1379 </span><span class="CommentedCode">#?       var foo/eax: int &lt;- copy curr-word</span>
+<span id="L1380" class="LineNr">1380 </span><span class="CommentedCode">#?       print-int32-hex 0, foo</span>
+<span id="L1381" class="LineNr">1381 </span><span class="CommentedCode">#?       print-string 0, &quot;\n&quot;</span>
+<span id="L1382" class="LineNr">1382 </span><span class="CommentedCode">#?     }</span>
+<span id="L1383" class="LineNr">1383 </span>    increment-final-element curr-path
+<span id="L1384" class="LineNr">1384 </span>    <span class="PreProc">loop</span>
+<span id="L1385" class="LineNr">1385 </span>  <span class="Delimiter">}</span>
+<span id="L1386" class="LineNr">1386 </span>  <span class="PreProc">return</span> curr-col
+<span id="L1387" class="LineNr">1387 </span><span class="Delimiter">}</span>
+<span id="L1388" class="LineNr">1388 </span>
+<span id="L1389" class="LineNr">1389 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1389'>callee</a></span> functions: (addr handle function), word: (addr word), out: (addr handle function) <span class="Delimiter">{</span>
+<span id="L1390" class="LineNr">1390 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x10</span>)
+<span id="L1391" class="LineNr">1391 </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="L1392" class="LineNr">1392 </span>  emit-word word, stream
+<span id="L1393" class="LineNr">1393 </span>  find-function functions, stream, out
+<span id="L1394" class="LineNr">1394 </span><span class="Delimiter">}</span>
+<span id="L1395" class="LineNr">1395 </span>
+<span id="L1396" class="LineNr">1396 </span><span class="muComment"># Render:</span>
+<span id="L1397" class="LineNr">1397 </span><span class="muComment">#   - starting at top-row, left-col: final-word</span>
+<span id="L1398" class="LineNr">1398 </span><span class="muComment">#   - starting somewhere below at left-col: the stack result from interpreting first-world to final-word (inclusive)</span>
+<span id="L1399" class="LineNr">1399 </span><span class="muComment">#</span>
+<span id="L1400" class="LineNr">1400 </span><span class="muComment"># Return the farthest column written.</span>
+<span id="L1401" class="LineNr">1401 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1401'>render-column</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), functions: (addr handle function), bindings: (addr table), first-line: (addr line), line: (addr line), final-word: (addr word), top-row: int, left-col: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span>
+<span id="L1402" class="LineNr">1402 </span><span class="CommentedCode">#?   print-string 0, &quot;render-column\n&quot;</span>
+<span id="L1403" class="LineNr">1403 </span><span class="CommentedCode">#?   dump-table bindings</span>
+<span id="L1404" class="LineNr">1404 </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="L1405" class="LineNr">1405 </span>  <span class="Delimiter">{</span>
+<span id="L1406" class="LineNr">1406 </span>    <span class="muComment"># compute stack</span>
+<span id="L1407" class="LineNr">1407 </span>    <span class="PreProc">var</span> stack: value-stack
+<span id="L1408" class="LineNr">1408 </span>    <span class="PreProc">var</span> stack-addr/<span class="Constant">edi</span>: (addr value-stack) <span class="SpecialChar">&lt;-</span> address stack
+<span id="L1409" class="LineNr">1409 </span>    initialize-value-stack stack-addr, <span class="Constant">0x10</span>  <span class="muComment"># max-words</span>
+<span id="L1410" class="LineNr">1410 </span>    <span class="muComment"># copy bindings</span>
+<span id="L1411" class="LineNr">1411 </span>    <span class="PreProc">var</span> bindings2-storage: table
+<span id="L1412" class="LineNr">1412 </span>    <span class="PreProc">var</span> bindings2/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar">&lt;-</span> address bindings2-storage
+<span id="L1413" class="LineNr">1413 </span><span class="CommentedCode">#?     print-string 0, &quot;deep copy table {\n&quot;</span>
+<span id="L1414" class="LineNr">1414 </span>    deep-copy-table bindings, bindings2
+<span id="L1415" class="LineNr">1415 </span><span class="CommentedCode">#?     print-string 0, &quot;}\n&quot;</span>
+<span id="L1416" class="LineNr">1416 </span>    evaluate functions, bindings2, first-line, final-word, stack-addr
+<span id="L1417" class="LineNr">1417 </span>    <span class="muComment"># indent stack</span>
+<span id="L1418" class="LineNr">1418 </span>    <span class="PreProc">var</span> indented-col/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1419" class="LineNr">1419 </span>    indented-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
+<span id="L1420" class="LineNr">1420 </span>    <span class="muComment"># render stack</span>
+<span id="L1421" class="LineNr">1421 </span>    <span class="PreProc">var</span> curr-row/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy top-row
+<span id="L1422" class="LineNr">1422 </span>    curr-row <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>  <span class="muComment"># stack-margin-top</span>
+<span id="L1423" class="LineNr">1423 </span>    <span class="PreProc">var</span> _max-width/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> value-stack-max-width stack-addr
+<span id="L1424" class="LineNr">1424 </span>    max-width <span class="SpecialChar">&lt;-</span> copy _max-width
+<span id="L1425" class="LineNr">1425 </span>    <span class="Delimiter">{</span>
+<span id="L1426" class="LineNr">1426 </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="L1427" class="LineNr">1427 </span>      compare *top-addr, <span class="Constant">0</span>
+<span id="L1428" class="LineNr">1428 </span>      <span class="PreProc">break-if-&lt;=</span>
+<span id="L1429" class="LineNr">1429 </span>      decrement *top-addr
+<span id="L1430" class="LineNr">1430 </span>      <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array value) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> stack-addr, data
+<span id="L1431" class="LineNr">1431 </span>      <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array value) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L1432" class="LineNr">1432 </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="L1433" class="LineNr">1433 </span>      <span class="PreProc">var</span> dest-offset/<span class="Constant">ecx</span>: (offset value) <span class="SpecialChar">&lt;-</span> compute-offset data, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L1434" class="LineNr">1434 </span>      <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr value) <span class="SpecialChar">&lt;-</span> index data, dest-offset
+<span id="L1435" class="LineNr">1435 </span>      render-value-at <a href='../../405screen.mu.html#L9'>screen</a>, curr-row, indented-col, val, max-width
+<span id="L1436" class="LineNr">1436 </span>      <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> value-height val
+<span id="L1437" class="LineNr">1437 </span>      curr-row <span class="SpecialChar">&lt;-</span> add height
+<span id="L1438" class="LineNr">1438 </span>      <span class="PreProc">loop</span>
+<span id="L1439" class="LineNr">1439 </span>    <span class="Delimiter">}</span>
+<span id="L1440" class="LineNr">1440 </span>  <span class="Delimiter">}</span>
+<span id="L1441" class="LineNr">1441 </span>
+<span id="L1442" class="LineNr">1442 </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="L1443" class="LineNr">1443 </span>
+<span id="L1444" class="LineNr">1444 </span>  <span class="muComment"># render word, initialize result</span>
+<span id="L1445" class="LineNr">1445 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1446" class="LineNr">1446 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, top-row, left-col
+<span id="L1447" class="LineNr">1447 </span>  print-word <a href='../../405screen.mu.html#L9'>screen</a>, final-word
+<span id="L1448" class="LineNr">1448 </span>  <span class="Delimiter">{</span>
+<span id="L1449" class="LineNr">1449 </span>    <span class="PreProc">var</span> <a href='../../307size.subx.html#L5'>size</a>/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> word-length final-word
+<span id="L1450" class="LineNr">1450 </span>    compare <a href='../../307size.subx.html#L5'>size</a>, max-width
+<span id="L1451" class="LineNr">1451 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L1452" class="LineNr">1452 </span>    max-width <span class="SpecialChar">&lt;-</span> copy <a href='../../307size.subx.html#L5'>size</a>
+<span id="L1453" class="LineNr">1453 </span>  <span class="Delimiter">}</span>
+<span id="L1454" class="LineNr">1454 </span>
+<span id="L1455" class="LineNr">1455 </span>  <span class="muComment"># post-process right-col</span>
+<span id="L1456" class="LineNr">1456 </span>  <span class="PreProc">var</span> right-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy left-col
+<span id="L1457" class="LineNr">1457 </span>  right-col <span class="SpecialChar">&lt;-</span> add max-width
+<span id="L1458" class="LineNr">1458 </span>  right-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">1</span>  <span class="muComment"># margin-right</span>
+<span id="L1459" class="LineNr">1459 </span><span class="CommentedCode">#?   print-int32-decimal 0, left-col</span>
+<span id="L1460" class="LineNr">1460 </span><span class="CommentedCode">#?   print-string 0, &quot; =&gt; &quot;</span>
+<span id="L1461" class="LineNr">1461 </span><span class="CommentedCode">#?   print-int32-decimal 0, right-col</span>
+<span id="L1462" class="LineNr">1462 </span><span class="CommentedCode">#?   print-string 0, &quot;\n&quot;</span>
+<span id="L1463" class="LineNr">1463 </span>  <span class="PreProc">return</span> right-col
+<span id="L1464" class="LineNr">1464 </span><span class="Delimiter">}</span>
+<span id="L1465" class="LineNr">1465 </span>
+<span id="L1466" class="LineNr">1466 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1466'>clear-canvas</a></span> _env: (addr <a href='environment.mu.html#L1'>environment</a>) <span class="Delimiter">{</span>
+<span id="L1467" class="LineNr">1467 </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="L1468" class="LineNr">1468 </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="L1469" class="LineNr">1469 </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="L1470" class="LineNr">1470 </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="L1471" class="LineNr">1471 </span>  <a href='../../405screen.mu.html#L78'>clear-screen</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1472" class="LineNr">1472 </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="L1473" class="LineNr">1473 </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="L1474" class="LineNr">1474 </span>  <span class="PreProc">var</span> repl-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy *_repl-col
+<span id="L1475" class="LineNr">1475 </span>  draw-vertical-line <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">1</span>, *nrows, repl-col
+<span id="L1476" class="LineNr">1476 </span>  <span class="muComment"># wordstar-style cheatsheet of shortcuts</span>
+<span id="L1477" class="LineNr">1477 </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="L1478" class="LineNr">1478 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</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; ctrl-q &quot;</span>
+<span id="L1480" class="LineNr">1480 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1481" class="LineNr">1481 </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="L1482" class="LineNr">1482 </span>  <span class="PreProc">var</span> menu-start/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy repl-col
+<span id="L1483" class="LineNr">1483 </span>  menu-start <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x40</span>  <span class="muComment"># 64 = half the size of the menu</span>
+<span id="L1484" class="LineNr">1484 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, *nrows, menu-start
+<span id="L1485" class="LineNr">1485 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1486" class="LineNr">1486 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-a &quot;</span>
+<span id="L1487" class="LineNr">1487 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1488" class="LineNr">1488 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ⏮   &quot;</span>
+<span id="L1489" class="LineNr">1489 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1490" class="LineNr">1490 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-b &quot;</span>
+<span id="L1491" class="LineNr">1491 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1492" class="LineNr">1492 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ◀ word  &quot;</span>
+<span id="L1493" class="LineNr">1493 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1494" class="LineNr">1494 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-f &quot;</span>
+<span id="L1495" class="LineNr">1495 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<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; word ▶  &quot;</span>
+<span id="L1497" class="LineNr">1497 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1498" class="LineNr">1498 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-e &quot;</span>
+<span id="L1499" class="LineNr">1499 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1500" class="LineNr">1500 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ⏭   &quot;</span>
+<span id="L1501" class="LineNr">1501 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1502" class="LineNr">1502 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-u &quot;</span>
+<span id="L1503" class="LineNr">1503 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<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; clear line  &quot;</span>
+<span id="L1505" class="LineNr">1505 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1506" class="LineNr">1506 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-n &quot;</span>
+<span id="L1507" class="LineNr">1507 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1508" class="LineNr">1508 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; name value  &quot;</span>
+<span id="L1509" class="LineNr">1509 </span>  <a href='../../405screen.mu.html#L554'>start-reverse-video</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1510" class="LineNr">1510 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; ctrl-d &quot;</span>
+<span id="L1511" class="LineNr">1511 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1512" class="LineNr">1512 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot; define function  &quot;</span>
+<span id="L1513" class="LineNr">1513 </span>  <span class="muComment"># primitives</span>
+<span id="L1514" class="LineNr">1514 </span>  <span class="PreProc">var</span> start-col/<span class="Constant">ecx</span>: int <span class="SpecialChar">&lt;-</span> copy repl-col
+<span id="L1515" class="LineNr">1515 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">0x28</span>
+<span id="L1516" class="LineNr">1516 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">1</span>, start-col
+<span id="L1517" class="LineNr">1517 </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="L1518" class="LineNr">1518 </span>  start-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1519" class="LineNr">1519 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">2</span>, start-col
+<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;+ - * len&quot;</span>
+<span id="L1521" class="LineNr">1521 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">3</span>, start-col
+<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;open <a href='../../111read.subx.html#L48'>read</a> <a href='../../132slurp.subx.html#L8'>slurp</a> lines&quot;</span>
+<span id="L1523" class="LineNr">1523 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">4</span>, start-col
+<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;fake-screen print move&quot;</span>
+<span id="L1525" class="LineNr">1525 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">5</span>, start-col
+<span id="L1526" class="LineNr">1526 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;up down left right&quot;</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>, <span class="Constant">6</span>, start-col
+<span id="L1528" class="LineNr">1528 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;dup swap&quot;</span>
+<span id="L1529" class="LineNr">1529 </span>  <span class="muComment"># currently defined functions</span>
+<span id="L1530" class="LineNr">1530 </span>  start-col <span class="SpecialChar">&lt;-</span> subtract <span class="Constant">2</span>
+<span id="L1531" class="LineNr">1531 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">8</span>, start-col
+<span id="L1532" class="LineNr">1532 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">&quot;functions:&quot;</span>
+<span id="L1533" class="LineNr">1533 </span>  start-col <span class="SpecialChar">&lt;-</span> add <span class="Constant">2</span>
+<span id="L1534" class="LineNr">1534 </span>  <span class="PreProc">var</span> row/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">9</span>
+<span id="L1535" class="LineNr">1535 </span>  <span class="PreProc">var</span> functions/<span class="Constant">esi</span>: (addr handle function) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> env, functions
+<span id="L1536" class="LineNr">1536 </span>  <span class="Delimiter">{</span>
+<span id="L1537" class="LineNr">1537 </span>    <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *functions
+<span id="L1538" class="LineNr">1538 </span>    compare curr, <span class="Constant">0</span>
+<span id="L1539" class="LineNr">1539 </span>    <span class="PreProc">break-if-=</span>
+<span id="L1540" class="LineNr">1540 </span>    row <span class="SpecialChar">&lt;-</span> <a href='environment.mu.html#L1548'>render-function</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, start-col, curr
+<span id="L1541" class="LineNr">1541 </span>    functions <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next
+<span id="L1542" class="LineNr">1542 </span>    row <span class="SpecialChar">&lt;-</span> increment
+<span id="L1543" class="LineNr">1543 </span>    <span class="PreProc">loop</span>
+<span id="L1544" class="LineNr">1544 </span>  <span class="Delimiter">}</span>
+<span id="L1545" class="LineNr">1545 </span><span class="Delimiter">}</span>
+<span id="L1546" class="LineNr">1546 </span>
+<span id="L1547" class="LineNr">1547 </span><span class="muComment"># only single-line functions supported for now</span>
+<span id="L1548" class="LineNr">1548 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1548'>render-function</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), row: int, col: int, _f: (addr function)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span>
+<span id="L1549" class="LineNr">1549 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr function) <span class="SpecialChar">&lt;-</span> copy _f
+<span id="L1550" class="LineNr">1550 </span>  <span class="PreProc">var</span> args/<span class="Constant">ecx</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, args
+<span id="L1551" class="LineNr">1551 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
+<span id="L1552" class="LineNr">1552 </span>  print-words-in-reverse <a href='../../405screen.mu.html#L9'>screen</a>, args
+<span id="L1553" class="LineNr">1553 </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="L1554" class="LineNr">1554 </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="L1555" class="LineNr">1555 </span>  <a href='../../405screen.mu.html#L526'>start-bold</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1556" class="LineNr">1556 </span>  <a href='../../405screen.mu.html#L169'>print-string</a> <a href='../../405screen.mu.html#L9'>screen</a>, name
+<span id="L1557" class="LineNr">1557 </span>  <a href='../../405screen.mu.html#L491'>reset-formatting</a> <a href='../../405screen.mu.html#L9'>screen</a>
+<span id="L1558" class="LineNr">1558 </span>  increment row
+<span id="L1559" class="LineNr">1559 </span>  add-to col, <span class="Constant">2</span>
+<span id="L1560" class="LineNr">1560 </span>  <a href='../../405screen.mu.html#L109'>move-cursor</a> <a href='../../405screen.mu.html#L9'>screen</a>, row, col
+<span id="L1561" class="LineNr">1561 </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="L1562" class="LineNr">1562 </span>  <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> f, body
+<span id="L1563" class="LineNr">1563 </span>  <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah
+<span id="L1564" class="LineNr">1564 </span>  <span class="PreProc">var</span> body-words-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> body, data
+<span id="L1565" class="LineNr">1565 </span>  print-words <a href='../../405screen.mu.html#L9'>screen</a>, body-words-ah
+<span id="L1566" class="LineNr">1566 </span>  <span class="PreProc">return</span> row
+<span id="L1567" class="LineNr">1567 </span><span class="Delimiter">}</span>
+<span id="L1568" class="LineNr">1568 </span>
+<span id="L1569" class="LineNr">1569 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='environment.mu.html#L1569'>real-grapheme?</a></span> g: grapheme<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L1570" class="LineNr">1570 </span>  <span class="muComment"># if g == newline return true</span>
+<span id="L1571" class="LineNr">1571 </span>  compare g, <span class="Constant">0xa</span>
+<span id="L1572" class="LineNr">1572 </span>  <span class="Delimiter">{</span>
+<span id="L1573" class="LineNr">1573 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1574" class="LineNr">1574 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1575" class="LineNr">1575 </span>  <span class="Delimiter">}</span>
+<span id="L1576" class="LineNr">1576 </span>  <span class="muComment"># if g == tab return true</span>
+<span id="L1577" class="LineNr">1577 </span>  compare g, <span class="Constant">9</span>
+<span id="L1578" class="LineNr">1578 </span>  <span class="Delimiter">{</span>
+<span id="L1579" class="LineNr">1579 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1580" class="LineNr">1580 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1581" class="LineNr">1581 </span>  <span class="Delimiter">}</span>
+<span id="L1582" class="LineNr">1582 </span>  <span class="muComment"># if g &lt; 32 return false</span>
+<span id="L1583" class="LineNr">1583 </span>  compare g, <span class="Constant">0x20</span>
+<span id="L1584" class="LineNr">1584 </span>  <span class="Delimiter">{</span>
+<span id="L1585" class="LineNr">1585 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L1586" class="LineNr">1586 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L1587" class="LineNr">1587 </span>  <span class="Delimiter">}</span>
+<span id="L1588" class="LineNr">1588 </span>  <span class="muComment"># if g &lt;= 255 return true</span>
+<span id="L1589" class="LineNr">1589 </span>  compare g, <span class="Constant">0xff</span>
+<span id="L1590" class="LineNr">1590 </span>  <span class="Delimiter">{</span>
+<span id="L1591" class="LineNr">1591 </span>    <span class="PreProc">break-if-&gt;</span>
+<span id="L1592" class="LineNr">1592 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1593" class="LineNr">1593 </span>  <span class="Delimiter">}</span>
+<span id="L1594" class="LineNr">1594 </span>  <span class="muComment"># if (g&amp;0xff == Esc) it's an escape sequence</span>
+<span id="L1595" class="LineNr">1595 </span>  and-with g, <span class="Constant">0xff</span>
+<span id="L1596" class="LineNr">1596 </span>  compare g, <span class="Constant">0x1b</span>  <span class="muComment"># Esc</span>
+<span id="L1597" class="LineNr">1597 </span>  <span class="Delimiter">{</span>
+<span id="L1598" class="LineNr">1598 </span>    <span class="PreProc">break-if-!=</span>
+<span id="L1599" class="LineNr">1599 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L1600" class="LineNr">1600 </span>  <span class="Delimiter">}</span>
+<span id="L1601" class="LineNr">1601 </span>  <span class="muComment"># otherwise return true</span>
+<span id="L1602" class="LineNr">1602 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>  <span class="muComment"># true</span>
+<span id="L1603" class="LineNr">1603 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>