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authorKartik K. Agaram <vc@akkartik.com>2014-10-18 16:50:54 -0700
committerKartik K. Agaram <vc@akkartik.com>2014-10-18 16:50:54 -0700
commitbb362d9c671f1a940ae1ae98ee736025346aa72d (patch)
treeb1e64506920c38d8b0f7f30fb217d1794b6742f5
parentcffd6659e88ba90d958fc44fa1533c9479319d4e (diff)
downloadmu-bb362d9c671f1a940ae1ae98ee736025346aa72d.tar.gz
151
-rw-r--r--mu.arc.t2
-rw-r--r--mu.arc.t.html975
2 files changed, 492 insertions, 485 deletions
diff --git a/mu.arc.t b/mu.arc.t
index f7b77b28..5865ba71 100644
--- a/mu.arc.t
+++ b/mu.arc.t
@@ -248,7 +248,7 @@
 (run 'test1)
 ;? (prn memory*)
 (if (~iso memory* (obj 1 2  2 2))
-  (prn "F - 'idiv' performs integer division, returning quotient and retest1der"))
+  (prn "F - 'idiv' performs integer division, returning quotient and remainder"))
 
 ; Basic boolean operations: and, or, not
 ; There are easy ways to encode booleans in binary, but we'll skip past those
diff --git a/mu.arc.t.html b/mu.arc.t.html
index 95bd9328..4afb3760 100644
--- a/mu.arc.t.html
+++ b/mu.arc.t.html
@@ -2,7 +2,7 @@
 <html>
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
-<title>~/Desktop/s/mu/mu.arc.t.html</title>
+<title>mu.arc.t</title>
 <meta name="Generator" content="Vim/7.4">
 <meta name="plugin-version" content="vim7.4_v1">
 <meta name="syntax" content="scheme">
@@ -10,15 +10,17 @@
 <meta name="colorscheme" content="minimal">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #d0d0d0; background-color: #000000; }
-body { font-family: monospace; color: #d0d0d0; background-color: #000000; }
+pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #000000; }
+body { font-family: monospace; color: #aaaaaa; background-color: #000000; }
 a { color:#4444ff; }
 * { font-size: 1em; }
-.Constant { color: #008080; }
+.Constant, .MuConstant { color: #008080; }
 .Comment { color: #8080ff; }
 .Delimiter { color: #600060; }
-.Normal { color: #d0d0d0; }
-.CommentedCode { color: #6c6c6c; }
+.Normal { color: #aaaaaa; }
+.Mu, .Mu .Normal, .Mu .Constant { color: #eeeeee; }
+.Op { color: #ff8888; }
+.CommentedCode { color: #666666; }
 -->
 </style>
 
@@ -141,7 +143,8 @@ a { color:#4444ff; }
 <span class="Comment">; Other than that, we'll say no more about the code, and focus in the rest of</span>
 <span class="Comment">; this file on the scenarios the code cares about.</span>
 
-<span class="Delimiter">(</span>load <span class="Constant">&quot;mu.arc&quot;</span><span class="Delimiter">)</span>
+<span class="Mu">
+<span class="Delimiter">(</span>load <span class="MuConstant">&quot;mu.arc&quot;</span><span class="Delimiter">)</span>
 
 <span class="Comment">; Every test below is conceptually a run right after our virtual machine</span>
 <span class="Comment">; starts up. When it starts up we assume it knows about the following types.</span>
@@ -149,42 +152,43 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>on-init
   <span class="Delimiter">(</span>= types* <span class="Delimiter">(</span>obj
               <span class="Comment">; Each type must be scalar or array, sum or product or primitive</span>
-              type <span class="Delimiter">(</span>obj size <span class="Constant">1</span><span class="Delimiter">)</span>  <span class="Comment">; implicitly scalar and primitive</span>
-              type-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>type<span class="Delimiter">)</span>
+              type <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span><span class="Delimiter">)</span>  <span class="Comment">; implicitly scalar and primitive</span>
+              type-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>type<span class="Delimiter">)</span>
               type-array <span class="Delimiter">(</span>obj array t  elem <span class="Delimiter">'</span>type<span class="Delimiter">)</span>
-              type-array-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>type-array<span class="Delimiter">)</span>
-              location <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>location<span class="Delimiter">)</span>  <span class="Comment">; assume it points to an atom</span>
-              integer <span class="Delimiter">(</span>obj size <span class="Constant">1</span><span class="Delimiter">)</span>
-              boolean <span class="Delimiter">(</span>obj size <span class="Constant">1</span><span class="Delimiter">)</span>
-              boolean-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t<span class="Delimiter">)</span>
-              byte <span class="Delimiter">(</span>obj size <span class="Constant">1</span><span class="Delimiter">)</span>
+              type-array-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>type-array<span class="Delimiter">)</span>
+              location <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>location<span class="Delimiter">)</span>  <span class="Comment">; assume it points to an atom</span>
+              integer <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span><span class="Delimiter">)</span>
+              boolean <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span><span class="Delimiter">)</span>
+              boolean-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t<span class="Delimiter">)</span>
+              byte <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;?               string (obj array t  elem 'byte)  ; inspired by Go</span>
-              character <span class="Delimiter">(</span>obj size <span class="Constant">1</span><span class="Delimiter">)</span>  <span class="Comment">; int32 like a Go rune</span>
-              character-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>character<span class="Delimiter">)</span>
-              string <span class="Delimiter">(</span>obj size <span class="Constant">1</span><span class="Delimiter">)</span>  <span class="Comment">; temporary hack</span>
+              character <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span><span class="Delimiter">)</span>  <span class="Comment">; int32 like a Go rune</span>
+              character-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>character<span class="Delimiter">)</span>
+              string <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span><span class="Delimiter">)</span>  <span class="Comment">; temporary hack</span>
               <span class="Comment">; arrays consist of an integer length followed by the right number of elems</span>
               integer-array <span class="Delimiter">(</span>obj array t  elem <span class="Delimiter">'</span>integer<span class="Delimiter">)</span>
-              integer-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>integer<span class="Delimiter">)</span>  <span class="Comment">; pointer to int</span>
+              integer-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>integer<span class="Delimiter">)</span>  <span class="Comment">; pointer to int</span>
               <span class="Comment">; records consist of a series of elems, corresponding to a list of types</span>
-              integer-boolean-pair <span class="Delimiter">(</span>obj size <span class="Constant">2</span>  record t  elems <span class="Delimiter">'(</span>integer boolean<span class="Delimiter">))</span>
-              integer-boolean-pair-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>integer-boolean-pair<span class="Delimiter">)</span>
+              integer-boolean-pair <span class="Delimiter">(</span>obj size <span class="MuConstant">2</span>  record t  elems <span class="Delimiter">'(</span>integer boolean<span class="Delimiter">))</span>
+              integer-boolean-pair-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>integer-boolean-pair<span class="Delimiter">)</span>
               integer-boolean-pair-array <span class="Delimiter">(</span>obj array t  elem <span class="Delimiter">'</span>integer-boolean-pair<span class="Delimiter">)</span>
-              integer-integer-pair <span class="Delimiter">(</span>obj size <span class="Constant">2</span>  record t  elems <span class="Delimiter">'(</span>integer integer<span class="Delimiter">))</span>
-              integer-point-pair <span class="Delimiter">(</span>obj size <span class="Constant">2</span>  record t  elems <span class="Delimiter">'(</span>integer integer-integer-pair<span class="Delimiter">))</span>
+              integer-integer-pair <span class="Delimiter">(</span>obj size <span class="MuConstant">2</span>  record t  elems <span class="Delimiter">'(</span>integer integer<span class="Delimiter">))</span>
+              integer-point-pair <span class="Delimiter">(</span>obj size <span class="MuConstant">2</span>  record t  elems <span class="Delimiter">'(</span>integer integer-integer-pair<span class="Delimiter">))</span>
               <span class="Comment">; tagged-values are the foundation of dynamic types</span>
-              tagged-value <span class="Delimiter">(</span>obj size <span class="Constant">2</span>  record t  elems <span class="Delimiter">'(</span>type location<span class="Delimiter">))</span>
-              tagged-value-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>tagged-value<span class="Delimiter">)</span>
+              tagged-value <span class="Delimiter">(</span>obj size <span class="MuConstant">2</span>  record t  elems <span class="Delimiter">'(</span>type location<span class="Delimiter">))</span>
+              tagged-value-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>tagged-value<span class="Delimiter">)</span>
               <span class="Comment">; heterogeneous lists</span>
-              list <span class="Delimiter">(</span>obj size <span class="Constant">2</span>  record t  elems <span class="Delimiter">'(</span>tagged-value list-address<span class="Delimiter">))</span>
-              list-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>list<span class="Delimiter">)</span>
-              list-address-address <span class="Delimiter">(</span>obj size <span class="Constant">1</span>  address t  elem <span class="Delimiter">'</span>list-address<span class="Delimiter">)</span>
+              list <span class="Delimiter">(</span>obj size <span class="MuConstant">2</span>  record t  elems <span class="Delimiter">'(</span>tagged-value list-address<span class="Delimiter">))</span>
+              list-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>list<span class="Delimiter">)</span>
+              list-address-address <span class="Delimiter">(</span>obj size <span class="MuConstant">1</span>  address t  elem <span class="Delimiter">'</span>list-address<span class="Delimiter">)</span>
               <span class="Delimiter">)))</span>
+</span>
 
 <span class="Comment">; Our language is assembly-like in that functions consist of series of</span>
 <span class="Comment">; statements, and statements consist of an operation and its arguments (input</span>
 <span class="Comment">; and output).</span>
 <span class="Comment">;</span>
-<span class="Comment">;   oarg1, oarg2, ... &lt;- op arg1, arg2, ...</span>
+<span class="Comment">;   oarg1, oarg2, ... <span class="Op">&lt;-</span> op arg1, arg2, ...</span>
 <span class="Comment">;</span>
 <span class="Comment">; Args must be atomic, like an integer or a memory address, they can't be</span>
 <span class="Comment">; expressions doing arithmetic or function calls. But we can have any number</span>
@@ -194,7 +198,7 @@ a { color:#4444ff; }
 <span class="Comment">; idealized syntax above. For now they will be lists of lists:</span>
 <span class="Comment">;</span>
 <span class="Comment">;   (function-name</span>
-<span class="Comment">;     ((oarg1 oarg2 ... &lt;- op arg1 arg2 ...)</span>
+<span class="Comment">;     ((oarg1 oarg2 ... <span class="Op">&lt;-</span> op arg1 arg2 ...)</span>
 <span class="Comment">;      ...</span>
 <span class="Comment">;      ...))</span>
 <span class="Comment">;</span>
@@ -207,12 +211,15 @@ a { color:#4444ff; }
 <span class="Comment">; aren't provided. Instead of a monolithic compiler I want to build simple,</span>
 <span class="Comment">; lightweight tools that can be combined in various ways, say for using</span>
 <span class="Comment">; different typecheckers in different subsystems.</span>
+<span class="Comment">;</span>
+<span class="Comment">; In the rest of this file we'll highlight lines of the assembly language</span>
+<span class="Comment">; and <span style='color:#aaaaaa'>deemphasize</span> the (ugly) test harness.</span>
 
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">23</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">23</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 <span class="Constant">23</span><span class="Delimiter">)</span>
@@ -225,10 +232,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;add&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">1</span>  <span class="Constant">2</span> <span class="Constant">3</span>  <span class="Constant">3</span> <span class="Constant">4</span><span class="Delimiter">))</span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - 'add' operates on two addresses&quot;</span><span class="Delimiter">))</span>
@@ -236,8 +243,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;add-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 <span class="Constant">5</span><span class="Delimiter">)</span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - ops can take 'literal' operands (but not return them)&quot;</span><span class="Delimiter">))</span>
@@ -245,8 +252,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;sub-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- sub <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> sub <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 <span class="Constant">-2</span><span class="Delimiter">)</span>
@@ -255,8 +262,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;mul-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- mul <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> mul <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 <span class="Constant">6</span><span class="Delimiter">)</span>
@@ -265,8 +272,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;div-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- div <span class="Delimiter">(</span><span class="Constant">8</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> div <span class="Delimiter">(</span><span class="MuConstant">8</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 <span class="Delimiter">(</span>/ real.8 <span class="Constant">3</span><span class="Delimiter">))</span>
@@ -275,12 +282,12 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;idiv-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- idiv <span class="Delimiter">(</span><span class="Constant">8</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> idiv <span class="Delimiter">(</span><span class="MuConstant">8</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">2</span><span class="Delimiter">))</span>
-  <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - 'idiv' performs integer division, returning quotient and retest1der&quot;</span><span class="Delimiter">))</span>
+  <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - 'idiv' performs integer division, returning quotient and remainder&quot;</span><span class="Delimiter">))</span>
 
 <span class="Comment">; Basic boolean operations: and, or, not</span>
 <span class="Comment">; There are easy ways to encode booleans in binary, but we'll skip past those</span>
@@ -289,8 +296,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;and-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> &lt;- and <span class="Delimiter">(</span>t literal<span class="Delimiter">)</span> <span class="Delimiter">(</span>nil literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> and <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 nil<span class="Delimiter">)</span>
@@ -301,8 +308,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;lt-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> &lt;- lt <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> lt <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 nil<span class="Delimiter">)</span>
@@ -311,8 +318,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;le-literal-false&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> &lt;- le <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> le <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 nil<span class="Delimiter">)</span>
@@ -321,8 +328,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;le-literal-true&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> &lt;- le <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> le <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 t<span class="Delimiter">)</span>
@@ -331,8 +338,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;le-literal-true-2&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> &lt;- le <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> le <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">5</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 t<span class="Delimiter">)</span>
@@ -345,11 +352,11 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;jump-skip&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">8</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>jump <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>  <span class="Comment">; should be skipped</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">8</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>jump <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span>  <span class="Comment">; should be skipped</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">8</span><span class="Delimiter">))</span>
@@ -358,12 +365,12 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;jump-target&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">8</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>jump <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>  <span class="Comment">; should be skipped</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))))</span>  <span class="Comment">; never reached</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">8</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>jump <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span>  <span class="Comment">; should be skipped</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))))</span>  <span class="Comment">; never reached</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">8</span><span class="Delimiter">))</span>
@@ -373,13 +380,13 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;jump-if-skip&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> &lt;- eq <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> eq <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> t  <span class="Constant">2</span> <span class="Constant">1</span><span class="Delimiter">))</span>
@@ -388,12 +395,12 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;jump-if-fallthrough&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> &lt;- eq <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> eq <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> nil  <span class="Constant">2</span> <span class="Constant">3</span><span class="Delimiter">))</span>
@@ -402,16 +409,16 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;jump-if-backward&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
       <span class="Comment">; loop</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- eq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">-3</span> offset<span class="Delimiter">))</span>  <span class="Comment">; to loop</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))))</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> eq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">-3</span> offset<span class="Delimiter">))</span>  <span class="Comment">; to loop</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">4</span>  <span class="Constant">3</span> nil  <span class="Constant">4</span> <span class="Constant">3</span><span class="Delimiter">))</span>
@@ -424,9 +431,9 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;direct-addressing&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> <span class="Constant">34</span><span class="Delimiter">))</span>
@@ -440,10 +447,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;indirect-addressing&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> integer-address deref<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="Constant">1</span> integer-address deref<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">34</span>  <span class="Constant">3</span> <span class="Constant">34</span><span class="Delimiter">))</span>
@@ -455,10 +462,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;indirect-addressing-oarg&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer-address deref<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer-address deref<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">36</span><span class="Delimiter">))</span>
@@ -473,11 +480,11 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;get-record&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- get <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- get <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> nil  <span class="Constant">3</span> nil  <span class="Constant">4</span> <span class="Constant">34</span><span class="Delimiter">))</span>
@@ -486,12 +493,12 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;get-indirect&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- get <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- get <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> nil  <span class="Constant">3</span> <span class="Constant">1</span>  <span class="Constant">4</span> nil  <span class="Constant">5</span> <span class="Constant">34</span><span class="Delimiter">))</span>
@@ -500,11 +507,11 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;get-compound-field&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">35</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">36</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer-integer-pair<span class="Delimiter">)</span> &lt;- get <span class="Delimiter">(</span><span class="Constant">1</span> integer-point-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">35</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">36</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer-integer-pair<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get <span class="Delimiter">(</span><span class="Constant">1</span> integer-point-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> <span class="Constant">35</span>  <span class="Constant">3</span> <span class="Constant">36</span>  <span class="Constant">4</span> <span class="Constant">35</span>  <span class="Constant">5</span> <span class="Constant">36</span><span class="Delimiter">))</span>
@@ -513,10 +520,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;get-address&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean-address<span class="Delimiter">)</span> &lt;- get-address <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get-address <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> t  <span class="Constant">3</span> <span class="Constant">2</span><span class="Delimiter">))</span>
@@ -525,11 +532,11 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;get-address-indirect&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> boolean-address<span class="Delimiter">)</span> &lt;- get-address <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get-address <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> t  <span class="Constant">3</span> <span class="Constant">1</span>  <span class="Constant">4</span> <span class="Constant">2</span><span class="Delimiter">))</span>
@@ -538,13 +545,13 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;index-array-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">23</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">24</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">6</span> integer-boolean-pair<span class="Delimiter">)</span> &lt;- index <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">23</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">24</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">6</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Op">&lt;-</span> index <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">23</span> <span class="Constant">3</span> nil  <span class="Constant">4</span> <span class="Constant">24</span> <span class="Constant">5</span> t  <span class="Constant">6</span> <span class="Constant">24</span> <span class="Constant">7</span> t<span class="Delimiter">))</span>
@@ -553,14 +560,14 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;index-array-direct&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">23</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">24</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">7</span> integer-boolean-pair<span class="Delimiter">)</span> &lt;- index <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">23</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">24</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Op">&lt;-</span> index <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">23</span> <span class="Constant">3</span> nil  <span class="Constant">4</span> <span class="Constant">24</span> <span class="Constant">5</span> t  <span class="Constant">6</span> <span class="Constant">1</span>  <span class="Constant">7</span> <span class="Constant">24</span> <span class="Constant">8</span> t<span class="Delimiter">))</span>
@@ -569,14 +576,14 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;index-address&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">23</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">24</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">7</span> integer-boolean-pair-address<span class="Delimiter">)</span> &lt;- index-address <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">23</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">24</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> integer-boolean-pair-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> index-address <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">23</span> <span class="Constant">3</span> nil  <span class="Constant">4</span> <span class="Constant">24</span> <span class="Constant">5</span> t  <span class="Constant">6</span> <span class="Constant">1</span>  <span class="Constant">7</span> <span class="Constant">4</span><span class="Delimiter">))</span>
@@ -589,13 +596,13 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;len-array&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">23</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">24</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> &lt;- len <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">23</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">24</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> len <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair-array<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">2</span>  <span class="Constant">2</span> <span class="Constant">23</span> <span class="Constant">3</span> nil  <span class="Constant">4</span> <span class="Constant">24</span> <span class="Constant">5</span> t  <span class="Constant">6</span> <span class="Constant">2</span><span class="Delimiter">))</span>
@@ -606,8 +613,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;sizeof-record&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- sizeof <span class="Delimiter">(</span>integer-boolean-pair literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> sizeof <span class="Delimiter">(</span>integer-boolean-pair literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 <span class="Constant">2</span><span class="Delimiter">)</span>
@@ -616,8 +623,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;sizeof-record-not-len&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- sizeof <span class="Delimiter">(</span>integer-point-pair literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> sizeof <span class="Delimiter">(</span>integer-point-pair literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.1 <span class="Constant">3</span><span class="Delimiter">)</span>
@@ -628,11 +635,11 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;compound-operand-copy&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> nil  <span class="Constant">3</span> <span class="Constant">34</span>  <span class="Constant">4</span> nil<span class="Delimiter">))</span>
@@ -641,12 +648,12 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;compound-arg&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer-boolean-pair<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Mu"><span class="Delimiter">'((</span>test1</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer-boolean-pair<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> nil  <span class="Constant">4</span> <span class="Constant">34</span>  <span class="Constant">5</span> nil<span class="Delimiter">))</span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - 'arg' can copy records spanning multiple locations&quot;</span><span class="Delimiter">))</span>
@@ -655,13 +662,13 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;compound-arg&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer-boolean-pair<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer-boolean-pair<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer-boolean-pair-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">3</span> integer-boolean-pair-address deref<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">34</span>  <span class="Constant">2</span> nil  <span class="Constant">3</span> <span class="Constant">1</span>  <span class="Constant">4</span> <span class="Constant">34</span>  <span class="Constant">5</span> nil<span class="Delimiter">))</span>
@@ -676,10 +683,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;tagged-value&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> type<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>  <span class="Comment">; pointer to nowhere</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> type<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span>  <span class="Comment">; pointer to nowhere</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Normal">or</span> <span class="Delimiter">(</span>~is memory*.3 <span class="Constant">34</span><span class="Delimiter">)</span> <span class="Delimiter">(</span>~is memory*.4 t<span class="Delimiter">))</span>
@@ -689,10 +696,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;tagged-value-2&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> type<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>  <span class="Comment">; pointer to nowhere</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean-address literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> type<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span>  <span class="Comment">; pointer to nowhere</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean-address literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Normal">or</span> <span class="Delimiter">(</span>~is memory*.3 <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">(</span>~is memory*.4 nil<span class="Delimiter">))</span>
@@ -702,10 +709,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-tagged-value&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>  <span class="Comment">; pointer to nowhere</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> integer-address<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span>  <span class="Comment">; pointer to nowhere</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> integer-address<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer-address literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Normal">or</span> <span class="Delimiter">(</span>~is memory*.3 <span class="Constant">34</span><span class="Delimiter">)</span> <span class="Delimiter">(</span>~is memory*.4 t<span class="Delimiter">))</span>
@@ -718,23 +725,23 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;list&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
       <span class="Comment">; 1 points at first node: tagged-value (int 34)</span>
-      <span class="Delimiter">((</span><span class="Constant">1</span> list-address<span class="Delimiter">)</span> &lt;- new <span class="Delimiter">(</span>list type<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> &lt;- list-value-address <span class="Delimiter">(</span><span class="Constant">1</span> list-address<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> type-address<span class="Delimiter">)</span> &lt;- get-address <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> type-address deref<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> location<span class="Delimiter">)</span> &lt;- get-address <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> location deref<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> list-address-address<span class="Delimiter">)</span> &lt;- get-address <span class="Delimiter">(</span><span class="Constant">1</span> list-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> list-address-address deref<span class="Delimiter">)</span> &lt;- new <span class="Delimiter">(</span>list type<span class="Delimiter">))</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> list-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new <span class="Delimiter">(</span>list type<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> list-value-address <span class="Delimiter">(</span><span class="Constant">1</span> list-address<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> type-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get-address <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> type-address deref<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> location<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get-address <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> location deref<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> list-address-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get-address <span class="Delimiter">(</span><span class="Constant">1</span> list-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> list-address-address deref<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new <span class="Delimiter">(</span>list type<span class="Delimiter">))</span></span>
       <span class="Comment">; 6 points at second node: tagged-value (boolean t)</span>
-      <span class="Delimiter">((</span><span class="Constant">6</span> list-address<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">5</span> list-address-address deref<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> &lt;- list-value-address <span class="Delimiter">(</span><span class="Constant">6</span> list-address<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">8</span> type-address<span class="Delimiter">)</span> &lt;- get-address <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">8</span> type-address deref<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">9</span> location<span class="Delimiter">)</span> &lt;- get-address <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">9</span> location deref<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span>t literal<span class="Delimiter">)))))</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">6</span> list-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="Constant">5</span> list-address-address deref<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> list-value-address <span class="Delimiter">(</span><span class="Constant">6</span> list-address<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">8</span> type-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get-address <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">8</span> type-address deref<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">9</span> location<span class="Delimiter">)</span> <span class="Op">&lt;-</span> get-address <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">9</span> location deref<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span><span class="Normal">let</span> first Memory-in-use-until
   <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test1<span class="Delimiter">)</span>
 <span class="CommentedCode">;?   (prn memory*)</span>
@@ -751,8 +758,8 @@ a { color:#4444ff; }
             <span class="Delimiter">(</span>~is <span class="Delimiter">(</span>memory* <span class="Delimiter">(</span>+ second <span class="Constant">1</span><span class="Delimiter">))</span> t<span class="Delimiter">)))</span>
     <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - 'list' constructs a heterogeneous list, which can contain elements of different types&quot;</span><span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test2
-      <span class="Delimiter">((</span><span class="Constant">10</span> list-address<span class="Delimiter">)</span> &lt;- list-next <span class="Delimiter">(</span><span class="Constant">1</span> list-address<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test2</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">10</span> list-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> list-next <span class="Delimiter">(</span><span class="Constant">1</span> list-address<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>test2<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.10 memory*.6<span class="Delimiter">)</span>
@@ -765,12 +772,12 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1<span class="Delimiter">))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1<span class="Delimiter">))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">1</span>  <span class="Constant">2</span> <span class="Constant">3</span>  <span class="Constant">3</span> <span class="Constant">4</span><span class="Delimiter">))</span>
@@ -780,10 +787,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-once&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">(</span>test1<span class="Delimiter">))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">(</span>test1<span class="Delimiter">))))</span></span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is <span class="Constant">2</span> <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">))</span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - calling a user-defined function runs its instructions exactly once&quot;</span><span class="Delimiter">))</span>
 <span class="CommentedCode">;? (quit)</span>
@@ -797,14 +804,14 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-reply&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1<span class="Delimiter">))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1<span class="Delimiter">))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">1</span>  <span class="Constant">2</span> <span class="Constant">3</span>  <span class="Constant">3</span> <span class="Constant">4</span><span class="Delimiter">))</span>
@@ -814,13 +821,13 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-reply-nested&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">`((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- test2<span class="Delimiter">))</span>
-    <span class="Delimiter">(</span>test2
-      <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1<span class="Delimiter">))))</span>
+  <span class="Mu"><span class="Delimiter">`((</span>test1</span>
+      <span class="Mu"><span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> test2<span class="Delimiter">))</span></span></span>
+    <span class="Mu"><span class="Delimiter">(</span>test2</span>
+      <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1<span class="Delimiter">))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">2</span> <span class="Constant">34</span>  <span class="Constant">3</span> <span class="Constant">34</span><span class="Delimiter">))</span>
@@ -830,14 +837,14 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-reply-once&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1<span class="Delimiter">))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1<span class="Delimiter">))))</span></span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is <span class="Constant">4</span> <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">))</span>  <span class="Comment">; last reply sometimes not counted. worth fixing?</span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - 'reply' executes instructions exactly once&quot;</span><span class="Delimiter">))</span>
 <span class="CommentedCode">;? (quit)</span>
@@ -845,16 +852,16 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-arg-sequential&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
     <span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
@@ -867,16 +874,16 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-arg-random-access&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- arg <span class="Constant">1</span><span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg <span class="Constant">0</span><span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))</span>  <span class="Comment">; should never run</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg <span class="Constant">1</span><span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg <span class="Constant">0</span><span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))</span>  <span class="Comment">; should never run</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
     <span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
@@ -889,10 +896,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-arg-status&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
     <span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
@@ -903,11 +910,11 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-arg-missing&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
     <span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
@@ -918,11 +925,11 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-arg-missing-2&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
     <span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
@@ -933,12 +940,12 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-arg-missing-3&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
     <span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
@@ -949,17 +956,17 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-arg-missing-3&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
       <span class="Comment">; if given two args, adds them; if given one arg, increments</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Error">{</span> begin
-        <span class="Delimiter">(</span>break-if <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Error">}</span>
-      <span class="Delimiter">((</span><span class="Constant">7</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Error">{</span> begin</span>
+        <span class="Mu"><span class="Delimiter">(</span>break-if <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Error">}</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">(</span>test1 <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
     <span class="Delimiter">)))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
@@ -972,16 +979,16 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-reply-oarg&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))))</span></span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">1</span>  <span class="Constant">2</span> <span class="Constant">3</span>  <span class="Constant">3</span> <span class="Constant">4</span>
@@ -992,16 +999,16 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-fn-reply-oarg-multiple&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">7</span> integer<span class="Delimiter">)</span> &lt;- test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">6</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">7</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> test1 <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)))))</span></span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">1</span>  <span class="Constant">2</span> <span class="Constant">3</span>  <span class="Constant">3</span> <span class="Constant">4</span>    <span class="Constant">7</span> <span class="Constant">3</span>
@@ -1013,12 +1020,12 @@ a { color:#4444ff; }
 <span class="Comment">; lightweight tool called 'convert-braces' to work in a slightly more</span>
 <span class="Comment">; convenient format with nested braces:</span>
 <span class="Comment">;</span>
-<span class="Comment">;   {</span>
+<span class="Mu"><span class="Comment">;   {</span></span>
 <span class="Comment">;     some instructions</span>
-<span class="Comment">;     {</span>
+<span class="Mu"><span class="Comment">;     {</span></span>
 <span class="Comment">;       more instructions</span>
-<span class="Comment">;     }</span>
-<span class="Comment">;   }</span>
+<span class="Mu"><span class="Comment">;     }</span></span>
+<span class="Mu"><span class="Comment">;   }</span></span>
 <span class="Comment">;</span>
 <span class="Comment">; Braces are just labels, they require no special parsing. The operations</span>
 <span class="Comment">; 'break' and 'continue' jump to just after the enclosing '}' and '{'</span>
@@ -1030,96 +1037,96 @@ a { color:#4444ff; }
 
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;convert-braces&quot;</span><span class="Delimiter">)</span>
-<span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                            <span class="Error">{</span> begin  <span class="Comment">; 'begin' is just a hack because racket turns curlies into parens</span>
-                            <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span>
-                            <span class="Delimiter">(</span>break-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-                            <span class="Error">}</span>
-                            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
-          <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
+<span class="Mu"><span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">{</span> begin  <span class="Comment">; 'begin' is just a hack because racket turns curlies into parens</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">(</span>break-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">}</span></span>
+                            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
+          <span class="Mu"><span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - convert-braces replaces break-if with a jump-if to after the next close curly&quot;</span><span class="Delimiter">))</span>
 
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;convert-braces-empty-block&quot;</span><span class="Delimiter">)</span>
-<span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                            <span class="Error">{</span> begin
-                            <span class="Delimiter">(</span>break<span class="Delimiter">)</span>
-                            <span class="Error">}</span>
-                            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
-          <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>jump <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
+<span class="Mu"><span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">{</span> begin</span>
+                            <span class="Mu"><span class="Delimiter">(</span>break<span class="Delimiter">)</span></span>
+                            <span class="Mu"><span class="Error">}</span></span>
+                            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
+          <span class="Mu"><span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>jump <span class="Delimiter">(</span><span class="Constant">0</span> offset<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - convert-braces works for degenerate blocks&quot;</span><span class="Delimiter">))</span>
 
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;convert-braces-nested-break&quot;</span><span class="Delimiter">)</span>
-<span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                            <span class="Error">{</span> begin
-                            <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span>
-                            <span class="Delimiter">(</span>break-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">))</span>
-                            <span class="Error">{</span> begin
-                            <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-                            <span class="Error">}</span>
-                            <span class="Error">}</span>
-                            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
-          <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
+<span class="Mu"><span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">{</span> begin</span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">(</span>break-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">{</span> begin</span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">}</span></span>
+                            <span class="Mu"><span class="Error">}</span></span>
+                            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
+          <span class="Mu"><span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> offset<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - convert-braces balances curlies when converting break&quot;</span><span class="Delimiter">))</span>
 
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;convert-braces-nested-continue&quot;</span><span class="Delimiter">)</span>
-<span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-                            <span class="Error">{</span> begin
-                            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                            <span class="Error">{</span> begin
-                            <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span>
-                            <span class="Error">}</span>
-                            <span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">))</span>
-                            <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-                            <span class="Error">}</span>
-                            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
-          <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">-3</span> offset<span class="Delimiter">))</span>
-            <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-            <span class="Delimiter">(</span>reply<span class="Delimiter">)))</span>
+<span class="Mu"><span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso <span class="Delimiter">(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">{</span> begin</span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">{</span> begin</span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">}</span></span>
+                            <span class="Mu"><span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+                            <span class="Mu"><span class="Error">}</span></span>
+                            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
+          <span class="Mu"><span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> integer<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>jump-if <span class="Delimiter">(</span><span class="Constant">4</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">-3</span> offset<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+            <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">)))</span></span>
   <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - convert-braces balances curlies when converting continue&quot;</span><span class="Delimiter">))</span>
 
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;continue&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
-<span class="Delimiter">(</span>add-fns <span class="Delimiter">`((</span>main <span class="Delimiter">,@(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-                                     <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-                                     <span class="Error">{</span> begin
-                                     <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                                     <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                                     <span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">))</span>
-                                     <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-                                     <span class="Error">}</span>
-                                     <span class="Delimiter">(</span>reply<span class="Delimiter">))))))</span>
+<span class="Mu"><span class="Delimiter">(</span>add-fns <span class="Delimiter">`((</span>main <span class="Delimiter">,@(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">{</span> begin</span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">}</span></span>
+                                     <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">))))))</span></span>
 <span class="CommentedCode">;? (each stmt function*!main</span>
 <span class="CommentedCode">;?   (prn stmt))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
@@ -1133,17 +1140,17 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;continue-nested&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
-<span class="Delimiter">(</span>add-fns <span class="Delimiter">`((</span>main <span class="Delimiter">,@(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-                                     <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">1</span> literal<span class="Delimiter">))</span>
-                                     <span class="Error">{</span> begin
-                                     <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                                     <span class="Error">{</span> begin
-                                     <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                                     <span class="Error">}</span>
-                                     <span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">))</span>
-                                     <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-                                     <span class="Error">}</span>
-                                     <span class="Delimiter">(</span>reply<span class="Delimiter">))))))</span>
+<span class="Mu"><span class="Delimiter">(</span>add-fns <span class="Delimiter">`((</span>main <span class="Delimiter">,@(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">1</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">{</span> begin</span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">{</span> begin</span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">}</span></span>
+                                     <span class="Mu"><span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">}</span></span>
+                                     <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">))))))</span></span>
 <span class="CommentedCode">;? (each stmt function*!main</span>
 <span class="CommentedCode">;?   (prn stmt))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
@@ -1153,17 +1160,17 @@ a { color:#4444ff; }
 
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;continue-fail&quot;</span><span class="Delimiter">)</span>
-<span class="Delimiter">(</span>add-fns <span class="Delimiter">`((</span>main <span class="Delimiter">,@(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">))</span>
-                                     <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">2</span> literal<span class="Delimiter">))</span>
-                                     <span class="Error">{</span> begin
-                                     <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                                     <span class="Error">{</span> begin
-                                     <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span>
-                                     <span class="Error">}</span>
-                                     <span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">))</span>
-                                     <span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-                                     <span class="Error">}</span>
-                                     <span class="Delimiter">(</span>reply<span class="Delimiter">))))))</span>
+<span class="Mu"><span class="Delimiter">(</span>add-fns <span class="Delimiter">`((</span>main <span class="Delimiter">,@(</span>convert-braces <span class="Delimiter">'(((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">2</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">{</span> begin</span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">{</span> begin</span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> neq <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> integer<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">}</span></span>
+                                     <span class="Mu"><span class="Delimiter">(</span>continue-if <span class="Delimiter">(</span><span class="Constant">3</span> boolean<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+                                     <span class="Mu"><span class="Error">}</span></span>
+                                     <span class="Mu"><span class="Delimiter">(</span>reply<span class="Delimiter">))))))</span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory* <span class="Delimiter">(</span>obj <span class="Constant">1</span> <span class="Constant">4</span>  <span class="Constant">2</span> <span class="Constant">4</span>  <span class="Constant">3</span> nil  <span class="Constant">4</span> <span class="Constant">34</span><span class="Delimiter">))</span>
@@ -1176,21 +1183,21 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;dispatch-clause&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Error">{</span> begin
-        <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-        <span class="Delimiter">((</span><span class="Constant">8</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">9</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> integer<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> integer<span class="Delimiter">))</span>
-      <span class="Error">}</span>
-      <span class="Delimiter">(</span>reply <span class="Delimiter">(</span>nil literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> &lt;- test1 <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Error">{</span> begin</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">8</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">9</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> integer<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Error">}</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> test1 <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)))))</span></span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~is memory*.3 <span class="Constant">37</span><span class="Delimiter">)</span>
@@ -1203,29 +1210,29 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;dispatch-multiple-clauses&quot;</span><span class="Delimiter">)</span>
 <span class="CommentedCode">;? (set dump-trace*)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Error">{</span> begin
-        <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-        <span class="Delimiter">((</span><span class="Constant">8</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">9</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> integer<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> integer<span class="Delimiter">))</span>
-      <span class="Error">}</span>
-      <span class="Error">{</span> begin
-        <span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-        <span class="Delimiter">((</span><span class="Constant">8</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> &lt;- or <span class="Delimiter">(</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">))</span>
-      <span class="Error">}</span>
-      <span class="Delimiter">(</span>reply <span class="Delimiter">(</span>nil literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- test1 <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Error">{</span> begin</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">8</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">9</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> integer<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Error">}</span></span>
+      <span class="Mu"><span class="Error">{</span> begin</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">8</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> or <span class="Delimiter">(</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Error">}</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> test1 <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)))))</span></span></span>
 <span class="CommentedCode">;? (each stmt function*!test-fn</span>
 <span class="CommentedCode">;?   (prn &quot;  &quot; stmt))</span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
@@ -1238,32 +1245,32 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;dispatch-multiple-calls&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>test1
-      <span class="Delimiter">((</span><span class="Constant">4</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-      <span class="Error">{</span> begin
-        <span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-        <span class="Delimiter">((</span><span class="Constant">8</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">9</span> integer<span class="Delimiter">)</span> &lt;- add <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> integer<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> integer<span class="Delimiter">))</span>
-      <span class="Error">}</span>
-      <span class="Error">{</span> begin
-        <span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> &lt;- arg<span class="Delimiter">)</span>
-        <span class="Delimiter">((</span><span class="Constant">8</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> &lt;- maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> &lt;- or <span class="Delimiter">(</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> boolean<span class="Delimiter">))</span>
-        <span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">))</span>
-      <span class="Error">}</span>
-      <span class="Delimiter">(</span>reply <span class="Delimiter">(</span>nil literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>main
-      <span class="Delimiter">((</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span>t literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span>nil literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> &lt;- test1 <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">10</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">34</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">11</span> tagged-value-address<span class="Delimiter">)</span> &lt;- new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">))</span>
-      <span class="Delimiter">((</span><span class="Constant">12</span> integer<span class="Delimiter">)</span> &lt;- test1 <span class="Delimiter">(</span><span class="Constant">10</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">11</span> tagged-value-address<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>test1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">4</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+      <span class="Mu"><span class="Error">{</span> begin</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">8</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>integer literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">9</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> add <span class="Delimiter">(</span><span class="Constant">5</span> integer<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> integer<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> integer<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Error">}</span></span>
+      <span class="Mu"><span class="Error">{</span> begin</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">4</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>break-unless <span class="Delimiter">(</span><span class="Constant">6</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">7</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> arg<span class="Delimiter">)</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">8</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> maybe-coerce <span class="Delimiter">(</span><span class="Constant">7</span> tagged-value-address deref<span class="Delimiter">)</span> <span class="Delimiter">(</span>boolean literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">9</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> or <span class="Delimiter">(</span><span class="Constant">5</span> boolean<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">8</span> boolean<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="Constant">9</span> boolean<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Error">}</span></span>
+      <span class="Mu"><span class="Delimiter">(</span>reply <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>main</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">t</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>boolean literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">nil</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Mu"><span class="Delimiter">((</span><span class="Constant">3</span> boolean<span class="Delimiter">)</span> <span class="Op">&lt;-</span> test1 <span class="Delimiter">(</span><span class="Constant">1</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">2</span> tagged-value-address<span class="Delimiter">))</span></span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">10</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">34</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">11</span> tagged-value-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new-tagged-value <span class="Delimiter">(</span>integer literal<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">))</span></span>
+      <span class="Mu"><span class="Mu"><span class="Delimiter">((</span><span class="Constant">12</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> test1 <span class="Delimiter">(</span><span class="Constant">10</span> tagged-value-address<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">11</span> tagged-value-address<span class="Delimiter">)))))</span></span></span>
 <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
 <span class="CommentedCode">;? (prn memory*)</span>
 <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~and <span class="Delimiter">(</span>is memory*.3 t<span class="Delimiter">)</span> <span class="Delimiter">(</span>is memory*.12 <span class="Constant">37</span><span class="Delimiter">))</span>
@@ -1275,8 +1282,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-primitive&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span><span class="Normal">let</span> before Memory-in-use-until
   <span class="Delimiter">(</span>add-fns
-    <span class="Delimiter">'((</span>main
-        <span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> &lt;- new <span class="Delimiter">(</span>integer type<span class="Delimiter">)))))</span>
+    <span class="Mu"><span class="Delimiter">'((</span>main</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new <span class="Delimiter">(</span>integer type<span class="Delimiter">)))))</span></span>
   <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
   <span class="CommentedCode">;? (prn memory*)</span>
   <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory*.1 before<span class="Delimiter">)</span>
@@ -1288,8 +1295,8 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-array-literal&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span><span class="Normal">let</span> before Memory-in-use-until
   <span class="Delimiter">(</span>add-fns
-    <span class="Delimiter">'((</span>main
-        <span class="Delimiter">((</span><span class="Constant">1</span> type-array-address<span class="Delimiter">)</span> &lt;- new <span class="Delimiter">(</span>type-array type<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">5</span> literal<span class="Delimiter">)))))</span>
+    <span class="Mu"><span class="Delimiter">'((</span>main</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> type-array-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new <span class="Delimiter">(</span>type-array type<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="MuConstant">5</span> literal<span class="Delimiter">)))))</span></span>
   <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
   <span class="CommentedCode">;? (prn memory*)</span>
   <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory*.1 before<span class="Delimiter">)</span>
@@ -1301,9 +1308,9 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;new-array-direct&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span><span class="Normal">let</span> before Memory-in-use-until
   <span class="Delimiter">(</span>add-fns
-    <span class="Delimiter">'((</span>main
-        <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">5</span> literal<span class="Delimiter">))</span>
-        <span class="Delimiter">((</span><span class="Constant">2</span> type-array-address<span class="Delimiter">)</span> &lt;- new <span class="Delimiter">(</span>type-array type<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)))))</span>
+    <span class="Mu"><span class="Delimiter">'((</span>main</span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">5</span> literal<span class="Delimiter">))</span></span>
+        <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> type-array-address<span class="Delimiter">)</span> <span class="Op">&lt;-</span> new <span class="Delimiter">(</span>type-array type<span class="Delimiter">)</span> <span class="Delimiter">(</span><span class="Constant">1</span> integer<span class="Delimiter">)))))</span></span>
   <span class="Delimiter">(</span>run <span class="Delimiter">'</span>main<span class="Delimiter">)</span>
   <span class="CommentedCode">;? (prn memory*)</span>
   <span class="Delimiter">(</span><span class="Normal">if</span> <span class="Delimiter">(</span>~iso memory*.2 before<span class="Delimiter">)</span>
@@ -1321,10 +1328,10 @@ a { color:#4444ff; }
 <span class="Delimiter">(</span>reset<span class="Delimiter">)</span>
 <span class="Delimiter">(</span>new-trace <span class="Constant">&quot;scheduler&quot;</span><span class="Delimiter">)</span>
 <span class="Delimiter">(</span>add-fns
-  <span class="Delimiter">'((</span>f1
-      <span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">3</span> literal<span class="Delimiter">)))</span>
-    <span class="Delimiter">(</span>f2
-      <span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> &lt;- copy <span class="Delimiter">(</span><span class="Constant">4</span> literal<span class="Delimiter">)))))</span>
+  <span class="Mu"><span class="Delimiter">'((</span>f1</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">1</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">3</span> literal<span class="Delimiter">)))</span></span>
+    <span class="Mu"><span class="Delimiter">(</span>f2</span>
+      <span class="Mu"><span class="Delimiter">((</span><span class="Constant">2</span> integer<span class="Delimiter">)</span> <span class="Op">&lt;-</span> copy <span class="Delimiter">(</span><span class="MuConstant">4</span> literal<span class="Delimiter">)))))</span></span>
 <span class="Delimiter">(</span><span class="Normal">let</span> ninsts <span class="Delimiter">(</span>run <span class="Delimiter">'</span>f1 <span class="Delimiter">'</span>f2<span class="Delimiter">)</span>
   <span class="Delimiter">(</span>when <span class="Delimiter">(</span>~iso <span class="Constant">2</span> ninsts<span class="Delimiter">)</span>
     <span class="Delimiter">(</span>prn <span class="Constant">&quot;F - scheduler didn't run the right number of instructions: &quot;</span> ninsts<span class="Delimiter">)))</span>