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-rw-r--r--html/edit/001-editor.mu.html59
-rw-r--r--html/edit/002-typing.mu.html91
-rw-r--r--html/edit/003-shortcuts.mu.html153
-rw-r--r--html/edit/004-programming-environment.mu.html55
-rw-r--r--html/edit/005-sandbox.mu.html73
-rw-r--r--html/edit/006-sandbox-edit.mu.html29
-rw-r--r--html/edit/007-sandbox-delete.mu.html31
-rw-r--r--html/edit/008-sandbox-test.mu.html35
-rw-r--r--html/edit/009-sandbox-trace.mu.html33
-rw-r--r--html/edit/010-errors.mu.html35
-rw-r--r--html/edit/011-editor-undo.mu.html35
11 files changed, 265 insertions, 364 deletions
diff --git a/html/edit/001-editor.mu.html b/html/edit/001-editor.mu.html
index ec683ce7..4ca8b427 100644
--- a/html/edit/001-editor.mu.html
+++ b/html/edit/001-editor.mu.html
@@ -3,41 +3,33 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/001-editor.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
+.Delimiter { color: #a04060; }
 .muControl { color: #c0a020; }
-.muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
 .muData { color: #ffff00; }
 .Special { color: #ff6060; }
-.Comment { color: #9090ff; }
+.muScenario { color: #00af00; }
 .Constant { color: #00a0a0; }
+.muRecipe { color: #ff8700; }
+.Comment { color: #9090ff; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## the basic editor data structure, and how it displays text to the screen</span>
 
 <span class="Comment"># temporary main for this layer: just render the given text at the given</span>
 <span class="Comment"># screen dimensions, then stop</span>
-<span class="muRecipe">recipe!</span> main text:address:shared:array:character [
+<span class="muRecipe">def!</span> main text:address:shared:array:character [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   open-console
@@ -83,7 +75,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Comment"># creates a new editor widget and renders its initial appearance to screen</span>
 <span class="Comment">#   top/left/right constrain the screen area available to the new editor</span>
 <span class="Comment">#   right is exclusive</span>
-<span class="muRecipe">recipe</span> new-editor s:address:shared:array:character, screen:address:shared:screen, left:number, right:number<span class="muRecipe"> -&gt; </span>result:address:shared:editor-data, screen:address:shared:screen [
+<span class="muRecipe">def</span> new-editor s:address:shared:array:character, screen:address:shared:screen, left:number, right:number<span class="muRecipe"> -&gt; </span>result:address:shared:editor-data, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># no clipping of bounds</span>
@@ -114,13 +106,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Constant">  &lt;editor-initialization&gt;</span>
 ]
 
-<span class="muRecipe">recipe</span> insert-text editor:address:shared:editor-data, text:address:shared:array:character<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
+<span class="muRecipe">def</span> insert-text editor:address:shared:editor-data, text:address:shared:array:character<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># early exit if text is empty</span>
-  <span class="muControl">reply-unless</span> text, editor/same-as-ingredient:<span class="Constant">0</span>
+  <span class="muControl">return-unless</span> text, editor/same-as-ingredient:<span class="Constant">0</span>
   len:number<span class="Special"> &lt;- </span>length *text
-  <span class="muControl">reply-unless</span> len, editor/same-as-ingredient:<span class="Constant">0</span>
+  <span class="muControl">return-unless</span> len, editor/same-as-ingredient:<span class="Constant">0</span>
   idx:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
   <span class="Comment"># now we can start appending the rest, character by character</span>
   curr:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get *editor, <span class="Constant">data:offset</span>
@@ -134,7 +126,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     idx<span class="Special"> &lt;- </span>add idx, <span class="Constant">1</span>
     <span class="muControl">loop</span>
   <span class="Delimiter">}</span>
-  <span class="muControl">reply</span> editor/same-as-ingredient:<span class="Constant">0</span>
+  <span class="muControl">return</span> editor/same-as-ingredient:<span class="Constant">0</span>
 ]
 
 <span class="muScenario">scenario</span> editor-initializes-without-data [
@@ -164,10 +156,10 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Comment"># Assumes cursor should be at coordinates (cursor-row, cursor-column) and</span>
 <span class="Comment"># updates before-cursor to match. Might also move coordinates if they're</span>
 <span class="Comment"># outside text.</span>
-<span class="muRecipe">recipe</span> render screen:address:shared:screen, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>last-row:number, last-column:number, screen:address:shared:screen, editor:address:shared:editor-data [
+<span class="muRecipe">def</span> render screen:address:shared:screen, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>last-row:number, last-column:number, screen:address:shared:screen, editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
-  <span class="muControl">reply-unless</span> editor, <span class="Constant">1/top</span>, <span class="Constant">0/left</span>, screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>
+  <span class="muControl">return-unless</span> editor, <span class="Constant">1/top</span>, <span class="Constant">0/left</span>, screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>
   left:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">left:offset</span>
   screen-height:number<span class="Special"> &lt;- </span>screen-height screen
   right:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">right:offset</span>
@@ -261,10 +253,10 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
   bottom:address:number<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">bottom:offset</span>
   *bottom<span class="Special"> &lt;- </span>copy row
-  <span class="muControl">reply</span> row, column, screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>
+  <span class="muControl">return</span> row, column, screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>
 ]
 
-<span class="muRecipe">recipe</span> clear-line-delimited screen:address:shared:screen, column:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> clear-line-delimited screen:address:shared:screen, column:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   space:character<span class="Special"> &lt;- </span>copy <span class="Constant">32/space</span>
@@ -283,23 +275,23 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> clear-screen-from screen:address:shared:screen, row:number, column:number, left:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> clear-screen-from screen:address:shared:screen, row:number, column:number, left:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># if it's the real screen, use the optimized primitive</span>
   <span class="Delimiter">{</span>
     <span class="muControl">break-if</span> screen
     clear-display-from row, column, left, right
-    <span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>
+    <span class="muControl">return</span> screen/same-as-ingredient:<span class="Constant">0</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># if not, go the slower route</span>
   screen<span class="Special"> &lt;- </span>move-cursor screen, row, column
   clear-line-delimited screen, column, right
   clear-rest-of-screen screen, row, left, right
-  <span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>
+  <span class="muControl">return</span> screen/same-as-ingredient:<span class="Constant">0</span>
 ]
 
-<span class="muRecipe">recipe</span> clear-rest-of-screen screen:address:shared:screen, row:number, left:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> clear-rest-of-screen screen:address:shared:screen, row:number, left:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   row<span class="Special"> &lt;- </span>add row, <span class="Constant">1</span>
@@ -457,7 +449,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># so far the previous color is all the information we need; that may change</span>
-<span class="muRecipe">recipe</span> get-color color:number, c:character<span class="muRecipe"> -&gt; </span>color:number [
+<span class="muRecipe">def</span> get-color color:number, c:character<span class="muRecipe"> -&gt; </span>color:number [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   color-is-white?:boolean<span class="Special"> &lt;- </span>equal color, <span class="Constant">7/white</span>
@@ -499,7 +491,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
   <span class="Comment"># otherwise no change</span>
 <span class="Constant">  +exit</span>
-  <span class="muControl">reply</span> color
+  <span class="muControl">return</span> color
 ]
 
 <span class="muScenario">scenario</span> render-colors-assignment [
@@ -528,4 +520,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/002-typing.mu.html b/html/edit/002-typing.mu.html
index e36c71db..5b7d7872 100644
--- a/html/edit/002-typing.mu.html
+++ b/html/edit/002-typing.mu.html
@@ -3,41 +3,33 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/002-typing.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
+.muData { color: #ffff00; }
+.muScenario { color: #00af00; }
 .muControl { color: #c0a020; }
-.muRecipe { color: #ff8700; }
+.Delimiter { color: #a04060; }
 .Special { color: #ff6060; }
-.muData { color: #ffff00; }
-.Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
+.muRecipe { color: #ff8700; }
+.Comment { color: #9090ff; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
-.muScenario { color: #00af00; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## handling events from the keyboard, mouse, touch screen, ...</span>
 
 <span class="Comment"># temporary main: interactive editor</span>
 <span class="Comment"># hit ctrl-c to exit</span>
-<span class="muRecipe">recipe!</span> main text:address:shared:array:character [
+<span class="muRecipe">def!</span> main text:address:shared:array:character [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   open-console
@@ -46,7 +38,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   close-console
 ]
 
-<span class="muRecipe">recipe</span> editor-event-loop screen:address:shared:screen, console:address:shared:console, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, console:address:shared:console, editor:address:shared:editor-data [
+<span class="muRecipe">def</span> editor-event-loop screen:address:shared:screen, console:address:shared:console, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, console:address:shared:console, editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Delimiter">{</span>
@@ -80,35 +72,35 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># process click, return if it was on current editor</span>
-<span class="muRecipe">recipe</span> move-cursor-in-editor screen:address:shared:screen, editor:address:shared:editor-data, t:touch-event<span class="muRecipe"> -&gt; </span>in-focus?:boolean, editor:address:shared:editor-data [
+<span class="muRecipe">def</span> move-cursor-in-editor screen:address:shared:screen, editor:address:shared:editor-data, t:touch-event<span class="muRecipe"> -&gt; </span>in-focus?:boolean, editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
-  <span class="muControl">reply-unless</span> editor, <span class="Constant">0/false</span>
+  <span class="muControl">return-unless</span> editor, <span class="Constant">0/false</span>
   click-row:number<span class="Special"> &lt;- </span>get t, <span class="Constant">row:offset</span>
-  <span class="muControl">reply-unless</span> click-row, <span class="Constant">0/false</span>  <span class="Comment"># ignore clicks on 'menu'</span>
+  <span class="muControl">return-unless</span> click-row, <span class="Constant">0/false</span>  <span class="Comment"># ignore clicks on 'menu'</span>
   click-column:number<span class="Special"> &lt;- </span>get t, <span class="Constant">column:offset</span>
   left:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">left:offset</span>
   too-far-left?:boolean<span class="Special"> &lt;- </span>lesser-than click-column, left
-  <span class="muControl">reply-if</span> too-far-left?, <span class="Constant">0/false</span>
+  <span class="muControl">return-if</span> too-far-left?, <span class="Constant">0/false</span>
   right:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">right:offset</span>
   too-far-right?:boolean<span class="Special"> &lt;- </span>greater-than click-column, right
-  <span class="muControl">reply-if</span> too-far-right?, <span class="Constant">0/false</span>
+  <span class="muControl">return-if</span> too-far-right?, <span class="Constant">0/false</span>
   <span class="Comment"># position cursor</span>
 <span class="Constant">  &lt;move-cursor-begin&gt;</span>
   editor<span class="Special"> &lt;- </span>snap-cursor screen, editor, click-row, click-column
   undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">0/never</span>
 <span class="Constant">  &lt;move-cursor-end&gt;</span>
   <span class="Comment"># gain focus</span>
-  <span class="muControl">reply</span> <span class="Constant">1/true</span>
+  <span class="muControl">return</span> <span class="Constant">1/true</span>
 ]
 
 <span class="Comment"># Variant of 'render' that only moves the cursor (coordinates and</span>
 <span class="Comment"># before-cursor). If it's past the end of a line, it 'slides' it left. If it's</span>
 <span class="Comment"># past the last line it positions at end of last line.</span>
-<span class="muRecipe">recipe</span> snap-cursor screen:address:shared:screen, editor:address:shared:editor-data, target-row:number, target-column:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
+<span class="muRecipe">def</span> snap-cursor screen:address:shared:screen, editor:address:shared:editor-data, target-row:number, target-column:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
-  <span class="muControl">reply-unless</span> editor
+  <span class="muControl">return-unless</span> editor
   left:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">left:offset</span>
   right:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">right:offset</span>
   screen-height:number<span class="Special"> &lt;- </span>screen-height screen
@@ -190,11 +182,11 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Comment"># Process an event 'e' and try to minimally update the screen.</span>
 <span class="Comment"># Set 'go-render?' to true to indicate the caller must perform a non-minimal update.</span>
-<span class="muRecipe">recipe</span> handle-keyboard-event screen:address:shared:screen, editor:address:shared:editor-data, e:event<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, editor:address:shared:editor-data, go-render?:boolean [
+<span class="muRecipe">def</span> handle-keyboard-event screen:address:shared:screen, editor:address:shared:editor-data, e:event<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, editor:address:shared:editor-data, go-render?:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-  <span class="muControl">reply-unless</span> editor
+  <span class="muControl">return-unless</span> editor
   screen-width:number<span class="Special"> &lt;- </span>screen-width screen
   screen-height:number<span class="Special"> &lt;- </span>screen-height screen
   left:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">left:offset</span>
@@ -214,12 +206,12 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <span class="Comment"># ignore any other special characters</span>
     regular-character?:boolean<span class="Special"> &lt;- </span>greater-or-equal *c, <span class="Constant">32/space</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply-unless</span> regular-character?
+    <span class="muControl">return-unless</span> regular-character?
     <span class="Comment"># otherwise type it in</span>
 <span class="Constant">    &lt;insert-character-begin&gt;</span>
     editor, screen, go-render?:boolean<span class="Special"> &lt;- </span>insert-at-cursor editor, *c, screen
 <span class="Constant">    &lt;insert-character-end&gt;</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># special key to modify the text or move the cursor</span>
   k:address:number<span class="Special"> &lt;- </span>maybe-convert e:event, <span class="Constant">keycode:variant</span>
@@ -227,10 +219,10 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Comment"># handlers for each special key will go here</span>
 <span class="Constant">  &lt;handle-special-key&gt;</span>
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-  <span class="muControl">reply</span>
+  <span class="muControl">return</span>
 ]
 
-<span class="muRecipe">recipe</span> insert-at-cursor editor:address:shared:editor-data, c:character, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean [
+<span class="muRecipe">def</span> insert-at-cursor editor:address:shared:editor-data, c:character, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   before-cursor:address:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">before-cursor:offset</span>
@@ -261,7 +253,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     move-cursor screen, save-row, save-column
     print screen, c
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   <span class="Delimiter">{</span>
     <span class="Comment"># not at right margin? print the character and rest of line</span>
@@ -275,7 +267,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
       <span class="Comment"># hit right margin? give up and let caller render</span>
       go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
       at-right?:boolean<span class="Special"> &lt;- </span>greater-than curr-column, right
-      <span class="muControl">reply-if</span> at-right?
+      <span class="muControl">return-if</span> at-right?
       <span class="muControl">break-unless</span> curr
       <span class="Comment"># newline? done.</span>
       currc:character<span class="Special"> &lt;- </span>get *curr, <span class="Constant">value:offset</span>
@@ -287,14 +279,14 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
       <span class="muControl">loop</span>
     <span class="Delimiter">}</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-  <span class="muControl">reply</span>
+  <span class="muControl">return</span>
 ]
 
 <span class="Comment"># helper for tests</span>
-<span class="muRecipe">recipe</span> editor-render screen:address:shared:screen, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, editor:address:shared:editor-data [
+<span class="muRecipe">def</span> editor-render screen:address:shared:screen, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   left:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">left:offset</span>
@@ -732,7 +724,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Constant">      &lt;scroll-down&gt;</span>
     <span class="Delimiter">}</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -853,11 +845,11 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     editor<span class="Special"> &lt;- </span>insert-new-line-and-indent editor, screen
 <span class="Constant">    &lt;insert-enter-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> insert-new-line-and-indent editor:address:shared:editor-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean [
+<span class="muRecipe">def</span> insert-new-line-and-indent editor:address:shared:editor-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   cursor-row:address:number<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">cursor-row:offset</span>
@@ -881,7 +873,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
   <span class="Comment"># indent if necessary</span>
   indent?:boolean<span class="Special"> &lt;- </span>get *editor, <span class="Constant">indent?:offset</span>
-  <span class="muControl">reply-unless</span> indent?
+  <span class="muControl">return-unless</span> indent?
   d:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get *editor, <span class="Constant">data:offset</span>
   end-of-previous-line:address:shared:duplex-list:character<span class="Special"> &lt;- </span>prev *before-cursor
   indent:number<span class="Special"> &lt;- </span>line-indent end-of-previous-line, d
@@ -897,13 +889,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Comment"># takes a pointer 'curr' into the doubly-linked list and its sentinel, counts</span>
 <span class="Comment"># the number of spaces at the start of the line containing 'curr'.</span>
-<span class="muRecipe">recipe</span> line-indent curr:address:shared:duplex-list:character, start:address:shared:duplex-list:character<span class="muRecipe"> -&gt; </span>result:number [
+<span class="muRecipe">def</span> line-indent curr:address:shared:duplex-list:character, start:address:shared:duplex-list:character<span class="muRecipe"> -&gt; </span>result:number [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   result:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-  <span class="muControl">reply-unless</span> curr
+  <span class="muControl">return-unless</span> curr
   at-start?:boolean<span class="Special"> &lt;- </span>equal curr, start
-  <span class="muControl">reply-if</span> at-start?
+  <span class="muControl">return-if</span> at-start?
   <span class="Delimiter">{</span>
     curr<span class="Special"> &lt;- </span>prev curr
     <span class="muControl">break-unless</span> curr
@@ -1030,7 +1022,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     indent?:address:boolean<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">indent?:offset</span>
     *indent?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -1041,13 +1033,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     indent?:address:boolean<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">indent?:offset</span>
     *indent?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
 <span class="SalientComment">## helpers</span>
 
-<span class="muRecipe">recipe</span> draw-horizontal screen:address:shared:screen, row:number, x:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> draw-horizontal screen:address:shared:screen, row:number, x:number, right:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   style:character, style-found?:boolean<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
@@ -1078,4 +1070,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/003-shortcuts.mu.html b/html/edit/003-shortcuts.mu.html
index d3a4f5e8..ee6c44bc 100644
--- a/html/edit/003-shortcuts.mu.html
+++ b/html/edit/003-shortcuts.mu.html
@@ -3,35 +3,27 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/003-shortcuts.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
 .muControl { color: #c0a020; }
+.Delimiter { color: #a04060; }
 .muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
 .Special { color: #ff6060; }
-.Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
+.muScenario { color: #00af00; }
+.Comment { color: #9090ff; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## special shortcuts for manipulating the editor</span>
 <span class="Comment"># Some keys on the keyboard generate unicode characters, others generate</span>
 <span class="Comment"># terminfo key codes. We need to modify different places in the two cases.</span>
@@ -66,7 +58,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     editor, screen, go-render?:boolean<span class="Special"> &lt;- </span>insert-at-cursor editor, <span class="Constant">32/space</span>, screen
 <span class="Constant">    &lt;insert-character-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -107,14 +99,14 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Constant">    &lt;backspace-character-begin&gt;</span>
     editor, screen, go-render?:boolean, backspaced-cell:address:shared:duplex-list:character<span class="Special"> &lt;- </span>delete-before-cursor editor, screen
 <span class="Constant">    &lt;backspace-character-end&gt;</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
 <span class="Comment"># return values:</span>
 <span class="Comment">#   go-render? - whether caller needs to update the screen</span>
 <span class="Comment">#   backspaced-cell - value deleted (or 0 if nothing was deleted) so we can save it for undo, etc.</span>
-<span class="muRecipe">recipe</span> delete-before-cursor editor:address:shared:editor-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean, backspaced-cell:address:shared:duplex-list:character [
+<span class="muRecipe">def</span> delete-before-cursor editor:address:shared:editor-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean, backspaced-cell:address:shared:duplex-list:character [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   before-cursor:address:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">before-cursor:offset</span>
@@ -122,7 +114,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Comment"># if at start of text (before-cursor at § sentinel), return</span>
   prev:address:shared:duplex-list:character<span class="Special"> &lt;- </span>prev *before-cursor
   go-render?, backspaced-cell<span class="Special"> &lt;- </span>copy <span class="Constant">0/no-more-render</span>, <span class="Constant">0/nothing-deleted</span>
-  <span class="muControl">reply-unless</span> prev
+  <span class="muControl">return-unless</span> prev
   trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[delete-before-cursor]</span>
   original-row:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">cursor-row:offset</span>
   editor, scroll?:boolean<span class="Special"> &lt;- </span>move-cursor-coordinates-left editor
@@ -130,14 +122,14 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   data<span class="Special"> &lt;- </span>remove *before-cursor, data  <span class="Comment"># will also neatly trim next/prev pointers in backspaced-cell/*before-cursor</span>
   *before-cursor<span class="Special"> &lt;- </span>copy prev
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-  <span class="muControl">reply-if</span> scroll?
+  <span class="muControl">return-if</span> scroll?
   screen-width:number<span class="Special"> &lt;- </span>screen-width screen
   cursor-row:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">cursor-row:offset</span>
   cursor-column:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">cursor-column:offset</span>
   <span class="Comment"># did we just backspace over a newline?</span>
   same-row?:boolean<span class="Special"> &lt;- </span>equal cursor-row, original-row
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-  <span class="muControl">reply-unless</span> same-row?
+  <span class="muControl">return-unless</span> same-row?
   left:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">left:offset</span>
   right:number<span class="Special"> &lt;- </span>get *editor, <span class="Constant">right:offset</span>
   curr:address:shared:duplex-list:character<span class="Special"> &lt;- </span>next *before-cursor
@@ -147,7 +139,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <span class="Comment"># hit right margin? give up and let caller render</span>
     at-right?:boolean<span class="Special"> &lt;- </span>greater-or-equal curr-column, right
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply-if</span> at-right?
+    <span class="muControl">return-if</span> at-right?
     <span class="muControl">break-unless</span> curr
     <span class="Comment"># newline? done.</span>
     currc:character<span class="Special"> &lt;- </span>get *curr, <span class="Constant">value:offset</span>
@@ -164,7 +156,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
 ]
 
-<span class="muRecipe">recipe</span> move-cursor-coordinates-left editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
+<span class="muRecipe">def</span> move-cursor-coordinates-left editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   before-cursor:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get *editor, <span class="Constant">before-cursor:offset</span>
@@ -178,7 +170,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[decrementing cursor column]</span>
     *cursor-column<span class="Special"> &lt;- </span>subtract *cursor-column, <span class="Constant">1</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># if at left margin, we must move to previous row:</span>
   top-of-screen?:boolean<span class="Special"> &lt;- </span>equal *cursor-row, <span class="Constant">1</span>  <span class="Comment"># exclude menu bar</span>
@@ -213,7 +205,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
       <span class="muControl">break-if</span> wrap?
       *cursor-column<span class="Special"> &lt;- </span>add left, end-of-line
     <span class="Delimiter">}</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># case 2: if previous-character was not newline, we're just at a wrapped line</span>
   trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[wrapping to previous line]</span>
@@ -223,13 +215,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Comment"># takes a pointer 'curr' into the doubly-linked list and its sentinel, counts</span>
 <span class="Comment"># the length of the previous line before the 'curr' pointer.</span>
-<span class="muRecipe">recipe</span> previous-line-length curr:address:shared:duplex-list:character, start:address:shared:duplex-list:character<span class="muRecipe"> -&gt; </span>result:number [
+<span class="muRecipe">def</span> previous-line-length curr:address:shared:duplex-list:character, start:address:shared:duplex-list:character<span class="muRecipe"> -&gt; </span>result:number [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   result:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-  <span class="muControl">reply-unless</span> curr
+  <span class="muControl">return-unless</span> curr
   at-start?:boolean<span class="Special"> &lt;- </span>equal curr, start
-  <span class="muControl">reply-if</span> at-start?
+  <span class="muControl">return-if</span> at-start?
   <span class="Delimiter">{</span>
     curr<span class="Special"> &lt;- </span>prev curr
     <span class="muControl">break-unless</span> curr
@@ -372,23 +364,23 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Constant">    &lt;delete-character-begin&gt;</span>
     editor, screen, go-render?:boolean, deleted-cell:address:shared:duplex-list:character<span class="Special"> &lt;- </span>delete-at-cursor editor, screen
 <span class="Constant">    &lt;delete-character-end&gt;</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> delete-at-cursor editor:address:shared:editor-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean, deleted-cell:address:shared:duplex-list:character [
+<span class="muRecipe">def</span> delete-at-cursor editor:address:shared:editor-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, screen:address:shared:screen, go-render?:boolean, deleted-cell:address:shared:duplex-list:character [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   before-cursor:address:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">before-cursor:offset</span>
   data:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get *editor, <span class="Constant">data:offset</span>
   deleted-cell:address:shared:duplex-list:character<span class="Special"> &lt;- </span>next *before-cursor
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-  <span class="muControl">reply-unless</span> deleted-cell
+  <span class="muControl">return-unless</span> deleted-cell
   currc:character<span class="Special"> &lt;- </span>get *deleted-cell, <span class="Constant">value:offset</span>
   data<span class="Special"> &lt;- </span>remove deleted-cell, data
   deleted-newline?:boolean<span class="Special"> &lt;- </span>equal currc, <span class="Constant">10/newline</span>
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-  <span class="muControl">reply-if</span> deleted-newline?
+  <span class="muControl">return-if</span> deleted-newline?
   <span class="Comment"># wasn't a newline? render rest of line</span>
   curr:address:shared:duplex-list:character<span class="Special"> &lt;- </span>next *before-cursor  <span class="Comment"># refresh after remove above</span>
   cursor-row:address:number<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">cursor-row:offset</span>
@@ -400,7 +392,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <span class="Comment"># hit right margin? give up and let caller render</span>
     at-right?:boolean<span class="Special"> &lt;- </span>greater-or-equal curr-column, screen-width
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply-if</span> at-right?
+    <span class="muControl">return-if</span> at-right?
     <span class="muControl">break-unless</span> curr
     <span class="Comment"># newline? done.</span>
     currc:character<span class="Special"> &lt;- </span>get *curr, <span class="Constant">value:offset</span>
@@ -455,11 +447,11 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     screen<span class="Special"> &lt;- </span>move-cursor screen, *cursor-row, *cursor-column
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">2/right-arrow</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> move-cursor-coordinates-right editor:address:shared:editor-data, screen-height:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
+<span class="muRecipe">def</span> move-cursor-coordinates-right editor:address:shared:editor-data, screen-height:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   before-cursor:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get *editor <span class="Constant">before-cursor:offset</span>
@@ -476,11 +468,11 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     *cursor-column<span class="Special"> &lt;- </span>copy left
     below-screen?:boolean<span class="Special"> &lt;- </span>greater-or-equal *cursor-row, screen-height  <span class="Comment"># must be equal</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply-unless</span> below-screen?
+    <span class="muControl">return-unless</span> below-screen?
 <span class="Constant">    &lt;scroll-down&gt;</span>
     *cursor-row<span class="Special"> &lt;- </span>subtract *cursor-row, <span class="Constant">1</span>  <span class="Comment"># bring back into screen range</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># if the line wraps, move cursor to start of next row</span>
   <span class="Delimiter">{</span>
@@ -497,11 +489,11 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     *cursor-row<span class="Special"> &lt;- </span>add *cursor-row, <span class="Constant">1</span>
     *cursor-column<span class="Special"> &lt;- </span>copy left
     below-screen?:boolean<span class="Special"> &lt;- </span>greater-or-equal *cursor-row, screen-height  <span class="Comment"># must be equal</span>
-    <span class="muControl">reply-unless</span> below-screen?, editor/same-as-ingredient:<span class="Constant">0</span>, <span class="Constant">0/no-more-render</span>
+    <span class="muControl">return-unless</span> below-screen?, editor/same-as-ingredient:<span class="Constant">0</span>, <span class="Constant">0/no-more-render</span>
 <span class="Constant">    &lt;scroll-down&gt;</span>
     *cursor-row<span class="Special"> &lt;- </span>subtract *cursor-row, <span class="Constant">1</span>  <span class="Comment"># bring back into screen range</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># otherwise move cursor one character right</span>
   *cursor-column<span class="Special"> &lt;- </span>add *cursor-column, <span class="Constant">1</span>
@@ -725,13 +717,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <span class="Comment"># if not at start of text (before-cursor at § sentinel)</span>
     prev:address:shared:duplex-list:character<span class="Special"> &lt;- </span>prev *before-cursor
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply-unless</span> prev
+    <span class="muControl">return-unless</span> prev
 <span class="Constant">    &lt;move-cursor-begin&gt;</span>
     editor, go-render?<span class="Special"> &lt;- </span>move-cursor-coordinates-left editor
     *before-cursor<span class="Special"> &lt;- </span>copy prev
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">1/left-arrow</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -988,11 +980,11 @@ d]
     editor, go-render?<span class="Special"> &lt;- </span>move-to-previous-line editor
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">3/up-arrow</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> move-to-previous-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
+<span class="muRecipe">def</span> move-to-previous-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   cursor-row:address:number<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">cursor-row:offset</span>
@@ -1016,14 +1008,14 @@ d]
       curr:address:shared:duplex-list:character<span class="Special"> &lt;- </span>before-previous-line curr, editor
       no-motion?:boolean<span class="Special"> &lt;- </span>equal curr, old
       go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-      <span class="muControl">reply-if</span> no-motion?
+      <span class="muControl">return-if</span> no-motion?
     <span class="Delimiter">}</span>
     <span class="Delimiter">{</span>
       old<span class="Special"> &lt;- </span>copy curr
       curr<span class="Special"> &lt;- </span>before-previous-line curr, editor
       no-motion?:boolean<span class="Special"> &lt;- </span>equal curr, old
       go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-      <span class="muControl">reply-if</span> no-motion?
+      <span class="muControl">return-if</span> no-motion?
     <span class="Delimiter">}</span>
     *before-cursor<span class="Special"> &lt;- </span>copy curr
     *cursor-row<span class="Special"> &lt;- </span>subtract *cursor-row, <span class="Constant">1</span>
@@ -1044,14 +1036,14 @@ d]
       <span class="muControl">loop</span>
     <span class="Delimiter">}</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   <span class="Delimiter">{</span>
     <span class="Comment"># if cursor already at top, scroll up</span>
     <span class="muControl">break-unless</span> already-at-top?
 <span class="Constant">    &lt;scroll-up&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -1094,7 +1086,7 @@ d]
 <span class="muScenario">scenario</span> editor-adjusts-column-at-empty-line [
   assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
   <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new [
-def]
+<span class="muRecipe">def</span>]
   <span class="Constant">2</span>:address:shared:editor-data<span class="Special"> &lt;- </span>new-editor <span class="Constant">1</span>:address:shared:array:character, screen:address:shared:screen, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
   editor-render screen, <span class="Constant">2</span>:address:shared:editor-data
 <span class="Constant">  $clear-trace</span>
@@ -1213,11 +1205,11 @@ def]
     editor, go-render?<span class="Special"> &lt;- </span>move-to-next-line editor, screen-height
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">4/down-arrow</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> move-to-next-line editor:address:shared:editor-data, screen-height:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
+<span class="muRecipe">def</span> move-to-next-line editor:address:shared:editor-data, screen-height:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data, go-render?:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   cursor-row:address:number<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">cursor-row:offset</span>
@@ -1241,7 +1233,7 @@ def]
       scroll?:boolean<span class="Special"> &lt;- </span>greater-than *cursor-row, <span class="Constant">1</span>
       <span class="muControl">break-if</span> scroll?, <span class="Constant">+try-to-scroll:label</span>
       go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-      <span class="muControl">reply</span>
+      <span class="muControl">return</span>
     <span class="Delimiter">}</span>
     *cursor-row<span class="Special"> &lt;- </span>add *cursor-row, <span class="Constant">1</span>
     *before-cursor<span class="Special"> &lt;- </span>copy next-line
@@ -1261,7 +1253,7 @@ def]
       <span class="muControl">loop</span>
     <span class="Delimiter">}</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 <span class="Constant">  +try-to-scroll</span>
 <span class="Constant">  &lt;scroll-down&gt;</span>
@@ -1340,7 +1332,7 @@ def]
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">0/never</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -1353,11 +1345,11 @@ def]
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">0/never</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> move-to-start-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
+<span class="muRecipe">def</span> move-to-start-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># update cursor column</span>
@@ -1511,7 +1503,7 @@ def]
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">0/never</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -1524,11 +1516,11 @@ def]
     undo-coalesce-tag:number<span class="Special"> &lt;- </span>copy <span class="Constant">0/never</span>
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> move-to-end-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
+<span class="muRecipe">def</span> move-to-end-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   before-cursor:address:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">before-cursor:offset</span>
@@ -1654,11 +1646,11 @@ def]
     deleted-cells:address:shared:duplex-list:character<span class="Special"> &lt;- </span>delete-to-start-of-line editor
 <span class="Constant">    &lt;delete-to-start-of-line-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> delete-to-start-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:address:shared:duplex-list:character, editor:address:shared:editor-data [
+<span class="muRecipe">def</span> delete-to-start-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:address:shared:duplex-list:character, editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># compute range to delete</span>
@@ -1788,11 +1780,11 @@ def]
     deleted-cells:address:shared:duplex-list:character<span class="Special"> &lt;- </span>delete-to-end-of-line editor
 <span class="Constant">    &lt;delete-to-end-of-line-end&gt;</span>
     go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> delete-to-end-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:address:shared:duplex-list:character, editor:address:shared:editor-data [
+<span class="muRecipe">def</span> delete-to-end-of-line editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:address:shared:duplex-list:character, editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># compute range to delete</span>
@@ -1971,13 +1963,13 @@ def]
   *top-of-screen<span class="Special"> &lt;- </span>before-start-of-next-line *top-of-screen, max
   no-movement?:boolean<span class="Special"> &lt;- </span>equal old-top, *top-of-screen
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-  <span class="muControl">reply-if</span> no-movement?
+  <span class="muControl">return-if</span> no-movement?
 ]
 
 <span class="Comment"># takes a pointer into the doubly-linked list, scans ahead at most 'max'</span>
 <span class="Comment"># positions until the next newline</span>
 <span class="Comment"># beware: never return null pointer.</span>
-<span class="muRecipe">recipe</span> before-start-of-next-line original:address:shared:duplex-list:character, max:number<span class="muRecipe"> -&gt; </span>curr:address:shared:duplex-list:character [
+<span class="muRecipe">def</span> before-start-of-next-line original:address:shared:duplex-list:character, max:number<span class="muRecipe"> -&gt; </span>curr:address:shared:duplex-list:character [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   count:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
@@ -1991,7 +1983,7 @@ def]
     count<span class="Special"> &lt;- </span>add count, <span class="Constant">1</span>
   <span class="Delimiter">}</span>
   <span class="Delimiter">{</span>
-    <span class="muControl">reply-unless</span> curr, original
+    <span class="muControl">return-unless</span> curr, original
     done?:boolean<span class="Special"> &lt;- </span>greater-or-equal count, max
     <span class="muControl">break-if</span> done?
     c:character<span class="Special"> &lt;- </span>get *curr, <span class="Constant">value:offset</span>
@@ -2001,8 +1993,8 @@ def]
     count<span class="Special"> &lt;- </span>add count, <span class="Constant">1</span>
     <span class="muControl">loop</span>
   <span class="Delimiter">}</span>
-  <span class="muControl">reply-unless</span> curr, original
-  <span class="muControl">reply</span> curr
+  <span class="muControl">return-unless</span> curr, original
+  <span class="muControl">return</span> curr
 ]
 
 <span class="muScenario">scenario</span> editor-scrolls-down-past-wrapped-line-using-arrow-keys [
@@ -2338,13 +2330,13 @@ def]
   *top-of-screen<span class="Special"> &lt;- </span>before-previous-line *top-of-screen, editor
   no-movement?:boolean<span class="Special"> &lt;- </span>equal old-top, *top-of-screen
   go-render?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
-  <span class="muControl">reply-if</span> no-movement?
+  <span class="muControl">return-if</span> no-movement?
 ]
 
 <span class="Comment"># takes a pointer into the doubly-linked list, scans back to before start of</span>
 <span class="Comment"># previous *wrapped* line</span>
 <span class="Comment"># beware: never return null pointer</span>
-<span class="muRecipe">recipe</span> before-previous-line in:address:shared:duplex-list:character, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>out:address:shared:duplex-list:character [
+<span class="muRecipe">def</span> before-previous-line in:address:shared:duplex-list:character, editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>out:address:shared:duplex-list:character [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   curr:address:shared:duplex-list:character<span class="Special"> &lt;- </span>copy in
@@ -2361,8 +2353,8 @@ def]
     <span class="muControl">break-if</span> len
     <span class="Comment"># empty line; just skip this newline</span>
     prev:address:shared:duplex-list:character<span class="Special"> &lt;- </span>prev curr
-    <span class="muControl">reply-unless</span> prev, curr
-    <span class="muControl">reply</span> prev
+    <span class="muControl">return-unless</span> prev, curr
+    <span class="muControl">return</span> prev
   <span class="Delimiter">}</span>
   _, max:number<span class="Special"> &lt;- </span>divide-with-remainder len, max-line-length
   <span class="Comment"># remainder 0 =&gt; scan one width-worth</span>
@@ -2382,7 +2374,7 @@ def]
     count<span class="Special"> &lt;- </span>add count, <span class="Constant">1</span>
     <span class="muControl">loop</span>
   <span class="Delimiter">}</span>
-  <span class="muControl">reply</span> curr
+  <span class="muControl">return</span> curr
 ]
 
 <span class="muScenario">scenario</span> editor-scrolls-up-past-wrapped-line-using-arrow-keys [
@@ -2732,7 +2724,7 @@ e]
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
     no-movement?:boolean<span class="Special"> &lt;- </span>equal *top-of-screen, old-top
     go-render?<span class="Special"> &lt;- </span>not no-movement?
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -2748,18 +2740,18 @@ e]
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
     no-movement?:boolean<span class="Special"> &lt;- </span>equal *top-of-screen, old-top
     go-render?<span class="Special"> &lt;- </span>not no-movement?
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
 <span class="Comment"># page-down skips entire wrapped lines, so it can't scroll past lines</span>
 <span class="Comment"># taking up the entire screen</span>
-<span class="muRecipe">recipe</span> page-down editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
+<span class="muRecipe">def</span> page-down editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># if editor contents don't overflow screen, do nothing</span>
   bottom-of-screen:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get *editor, <span class="Constant">bottom-of-screen:offset</span>
-  <span class="muControl">reply-unless</span> bottom-of-screen
+  <span class="muControl">return-unless</span> bottom-of-screen
   <span class="Comment"># if not, position cursor at final character</span>
   before-cursor:address:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">before-cursor:offset</span>
   *before-cursor<span class="Special"> &lt;- </span>prev bottom-of-screen
@@ -2924,7 +2916,7 @@ e]
 <span class="Constant">    &lt;move-cursor-end&gt;</span>
     no-movement?:boolean<span class="Special"> &lt;- </span>equal *top-of-screen, old-top
     go-render?<span class="Special"> &lt;- </span>not no-movement?
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -2941,11 +2933,11 @@ e]
     no-movement?:boolean<span class="Special"> &lt;- </span>equal *top-of-screen, old-top
     <span class="Comment"># don't bother re-rendering if nothing changed. todo: test this</span>
     go-render?<span class="Special"> &lt;- </span>not no-movement?
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> page-up editor:address:shared:editor-data, screen-height:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
+<span class="muRecipe">def</span> page-up editor:address:shared:editor-data, screen-height:number<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   max:number<span class="Special"> &lt;- </span>subtract screen-height, <span class="Constant">1/menu-bar</span>, <span class="Constant">1/overlapping-line</span>
@@ -3250,4 +3242,3 @@ gxy
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/004-programming-environment.mu.html b/html/edit/004-programming-environment.mu.html
index 4b9e508c..4fd659fd 100644
--- a/html/edit/004-programming-environment.mu.html
+++ b/html/edit/004-programming-environment.mu.html
@@ -3,42 +3,34 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/004-programming-environment.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
+.muScenario { color: #00af00; }
 .muControl { color: #c0a020; }
-.muRecipe { color: #ff8700; }
-.Special { color: #ff6060; }
+.Delimiter { color: #a04060; }
 .muData { color: #ffff00; }
-.Comment { color: #9090ff; }
+.Special { color: #ff6060; }
 .Constant { color: #00a0a0; }
+.muRecipe { color: #ff8700; }
+.Comment { color: #9090ff; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
-.muScenario { color: #00af00; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## putting the environment together out of editors</span>
 <span class="Comment">#</span>
 <span class="Comment"># Consists of one editor on the left for recipes and one on the right for the</span>
 <span class="Comment"># sandbox.</span>
 
-<span class="muRecipe">recipe!</span> main [
+<span class="muRecipe">def!</span> main [
   <span class="Constant">local-scope</span>
   open-console
   initial-recipe:address:shared:array:character<span class="Special"> &lt;- </span>restore <span class="Constant">[recipes.mu]</span>
@@ -56,7 +48,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   sandbox-in-focus?:boolean  <span class="Comment"># false =&gt; cursor in recipes; true =&gt; cursor in current-sandbox</span>
 ]
 
-<span class="muRecipe">recipe</span> new-programming-environment screen:address:shared:screen, initial-recipe-contents:address:shared:array:character, initial-sandbox-contents:address:shared:array:character<span class="muRecipe"> -&gt; </span>result:address:shared:programming-environment-data, screen:address:shared:screen [
+<span class="muRecipe">def</span> new-programming-environment screen:address:shared:screen, initial-recipe-contents:address:shared:array:character, initial-sandbox-contents:address:shared:array:character<span class="muRecipe"> -&gt; </span>result:address:shared:programming-environment-data, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   width:number<span class="Special"> &lt;- </span>screen-width screen
@@ -83,7 +75,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Constant">  &lt;programming-environment-initialization&gt;</span>
 ]
 
-<span class="muRecipe">recipe</span> event-loop screen:address:shared:screen, console:address:shared:console, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, console:address:shared:console, env:address:shared:programming-environment-data [
+<span class="muRecipe">def</span> event-loop screen:address:shared:screen, console:address:shared:console, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, console:address:shared:console, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   recipes:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">recipes:offset</span>
@@ -215,7 +207,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> resize screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>env:address:shared:programming-environment-data, screen:address:shared:screen [
+<span class="muRecipe">def</span> resize screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>env:address:shared:programming-environment-data, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   clear-screen screen  <span class="Comment"># update screen dimensions</span>
@@ -407,7 +399,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   ]
 ]
 
-<span class="muRecipe">recipe</span> render-all screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> render-all screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[render all]</span>
@@ -440,7 +432,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   show-screen screen
 ]
 
-<span class="muRecipe">recipe</span> render-recipes screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> render-recipes screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render recipes]</span>
@@ -459,7 +451,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># replaced in a later layer</span>
-<span class="muRecipe">recipe</span> render-sandbox-side screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> render-sandbox-side screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   current-sandbox:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">current-sandbox:offset</span>
@@ -474,7 +466,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   clear-screen-from screen, row, left, left, right
 ]
 
-<span class="muRecipe">recipe</span> update-cursor screen:address:shared:screen, recipes:address:shared:editor-data, current-sandbox:address:shared:editor-data, sandbox-in-focus?:boolean, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> update-cursor screen:address:shared:screen, recipes:address:shared:editor-data, current-sandbox:address:shared:editor-data, sandbox-in-focus?:boolean, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
 <span class="Constant">  &lt;update-cursor-special-cases&gt;</span>
@@ -493,10 +485,10 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Comment"># print a text 's' to 'editor' in 'color' starting at 'row'</span>
 <span class="Comment"># clear rest of last line, move cursor to next line</span>
-<span class="muRecipe">recipe</span> render screen:address:shared:screen, s:address:shared:array:character, left:number, right:number, color:number, row:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen [
+<span class="muRecipe">def</span> render screen:address:shared:screen, s:address:shared:array:character, left:number, right:number, color:number, row:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
-  <span class="muControl">reply-unless</span> s
+  <span class="muControl">return-unless</span> s
   column:number<span class="Special"> &lt;- </span>copy left
   screen<span class="Special"> &lt;- </span>move-cursor screen, row, column
   screen-height:number<span class="Special"> &lt;- </span>screen-height screen
@@ -554,10 +546,10 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># like 'render' for texts, but with colorization for comments like in the editor</span>
-<span class="muRecipe">recipe</span> render-code screen:address:shared:screen, s:address:shared:array:character, left:number, right:number, row:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen [
+<span class="muRecipe">def</span> render-code screen:address:shared:screen, s:address:shared:array:character, left:number, right:number, row:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
-  <span class="muControl">reply-unless</span> s
+  <span class="muControl">return-unless</span> s
   color:number<span class="Special"> &lt;- </span>copy <span class="Constant">7/white</span>
   column:number<span class="Special"> &lt;- </span>copy left
   screen<span class="Special"> &lt;- </span>move-cursor screen, row, column
@@ -643,7 +635,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="SalientComment">## helpers</span>
 
-<span class="muRecipe">recipe</span> draw-vertical screen:address:shared:screen, col:number, y:number, bottom:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> draw-vertical screen:address:shared:screen, col:number, y:number, bottom:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   style:character, style-found?:boolean<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
@@ -669,4 +661,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/005-sandbox.mu.html b/html/edit/005-sandbox.mu.html
index c48f90d7..9dcb6ff3 100644
--- a/html/edit/005-sandbox.mu.html
+++ b/html/edit/005-sandbox.mu.html
@@ -3,43 +3,35 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/005-sandbox.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
 .muControl { color: #c0a020; }
-.muRecipe { color: #ff8700; }
-.Special { color: #ff6060; }
+.Delimiter { color: #a04060; }
+.muScenario { color: #00af00; }
 .muData { color: #ffff00; }
-.Comment { color: #9090ff; }
+.Special { color: #ff6060; }
 .Constant { color: #00a0a0; }
+.muRecipe { color: #ff8700; }
+.Comment { color: #9090ff; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
-.muScenario { color: #00af00; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## running code from the editor and creating sandboxes</span>
 <span class="Comment">#</span>
 <span class="Comment"># Running code in the sandbox editor prepends its contents to a list of</span>
 <span class="Comment"># (non-editable) sandboxes below the editor, showing the result and a maybe</span>
 <span class="Comment"># few other things.</span>
 
-<span class="muRecipe">recipe!</span> main [
+<span class="muRecipe">def!</span> main [
   <span class="Constant">local-scope</span>
   open-console
   initial-recipe:address:shared:array:character<span class="Special"> &lt;- </span>restore <span class="Constant">[recipes.mu]</span>
@@ -177,11 +169,11 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> run-sandboxes env:address:shared:programming-environment-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>errors-found?:boolean, env:address:shared:programming-environment-data, screen:address:shared:screen [
+<span class="muRecipe">def</span> run-sandboxes env:address:shared:programming-environment-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>errors-found?:boolean, env:address:shared:programming-environment-data, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   errors-found?:boolean, env, screen<span class="Special"> &lt;- </span>update-recipes env, screen
-  <span class="muControl">reply-if</span> errors-found?
+  <span class="muControl">return-if</span> errors-found?
   <span class="Comment"># check contents of right editor (sandbox)</span>
 <span class="Constant">  &lt;run-sandboxes-begin&gt;</span>
   current-sandbox:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">current-sandbox:offset</span>
@@ -224,7 +216,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Comment"># copy code from recipe editor, persist, load into mu</span>
 <span class="Comment"># replaced in a later layer (whereupon errors-found? will actually be set)</span>
-<span class="muRecipe">recipe</span> update-recipes env:address:shared:programming-environment-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>errors-found?:boolean, env:address:shared:programming-environment-data, screen:address:shared:screen [
+<span class="muRecipe">def</span> update-recipes env:address:shared:programming-environment-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>errors-found?:boolean, env:address:shared:programming-environment-data, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   recipes:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">recipes:offset</span>
@@ -235,7 +227,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># replaced in a later layer</span>
-<span class="muRecipe">recipe!</span> update-sandbox sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data, idx:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data [
+<span class="muRecipe">def!</span> update-sandbox sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data, idx:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   data:address:shared:array:character<span class="Special"> &lt;- </span>get *sandbox, <span class="Constant">data:offset</span>
@@ -244,14 +236,14 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   *response, _, *fake-screen<span class="Special"> &lt;- </span>run-interactive data
 ]
 
-<span class="muRecipe">recipe</span> update-status screen:address:shared:screen, msg:address:shared:array:character, color:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def</span> update-status screen:address:shared:screen, msg:address:shared:array:character, color:number<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   screen<span class="Special"> &lt;- </span>move-cursor screen, <span class="Constant">0</span>, <span class="Constant">2</span>
   screen<span class="Special"> &lt;- </span>print screen, msg, color, <span class="Constant">238/grey/background</span>
 ]
 
-<span class="muRecipe">recipe</span> save-sandboxes env:address:shared:programming-environment-data [
+<span class="muRecipe">def</span> save-sandboxes env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   current-sandbox:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">current-sandbox:offset</span>
@@ -272,7 +264,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe!</span> render-sandbox-side screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen [
+<span class="muRecipe">def!</span> render-sandbox-side screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>screen:address:shared:screen, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render sandbox side]</span>
@@ -296,13 +288,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   clear-rest-of-screen screen, row, left, right
 ]
 
-<span class="muRecipe">recipe</span> render-sandboxes screen:address:shared:screen, sandbox:address:shared:sandbox-data, left:number, right:number, row:number, render-from:number, idx:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen, sandbox:address:shared:sandbox-data [
+<span class="muRecipe">def</span> render-sandboxes screen:address:shared:screen, sandbox:address:shared:sandbox-data, left:number, right:number, row:number, render-from:number, idx:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen, sandbox:address:shared:sandbox-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
-  <span class="muControl">reply-unless</span> sandbox
+  <span class="muControl">return-unless</span> sandbox
   screen-height:number<span class="Special"> &lt;- </span>screen-height screen
   at-bottom?:boolean<span class="Special"> &lt;- </span>greater-or-equal row, screen-height
-  <span class="muControl">reply-if</span> at-bottom?:boolean
+  <span class="muControl">return-if</span> at-bottom?:boolean
   hidden?:boolean<span class="Special"> &lt;- </span>lesser-than idx, render-from
   <span class="Delimiter">{</span>
     <span class="muControl">break-if</span> hidden?
@@ -339,7 +331,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <span class="Delimiter">}</span>
 <span class="Constant">    +render-sandbox-end</span>
     at-bottom?:boolean<span class="Special"> &lt;- </span>greater-or-equal row, screen-height
-    <span class="muControl">reply-if</span> at-bottom?
+    <span class="muControl">return-if</span> at-bottom?
     <span class="Comment"># draw solid line after sandbox</span>
     draw-horizontal screen, row, left, right, <span class="Constant">9473/horizontal-double</span>
   <span class="Delimiter">}</span>
@@ -359,7 +351,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># assumes programming environment has no sandboxes; restores them from previous session</span>
-<span class="muRecipe">recipe</span> restore-sandboxes env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>env:address:shared:programming-environment-data [
+<span class="muRecipe">def</span> restore-sandboxes env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># read all scenarios, pushing them to end of a list of scenarios</span>
@@ -393,10 +385,10 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Comment"># print the fake sandbox screen to 'screen' with appropriate delimiters</span>
 <span class="Comment"># leave cursor at start of next line</span>
-<span class="muRecipe">recipe</span> render-screen screen:address:shared:screen, sandbox-screen:address:shared:screen, left:number, right:number, row:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen [
+<span class="muRecipe">def</span> render-screen screen:address:shared:screen, sandbox-screen:address:shared:screen, left:number, right:number, row:number<span class="muRecipe"> -&gt; </span>row:number, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
-  <span class="muControl">reply-unless</span> sandbox-screen
+  <span class="muControl">return-unless</span> sandbox-screen
   <span class="Comment"># print 'screen:'</span>
   header:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[screen:]</span>
   row<span class="Special"> &lt;- </span>render screen, header, left, right, <span class="Constant">245/grey</span>, row
@@ -545,7 +537,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   ]
 ]
 
-<span class="muRecipe">recipe</span> editor-contents editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:address:shared:array:character [
+<span class="muRecipe">def</span> editor-contents editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:address:shared:array:character [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   buf:address:shared:buffer<span class="Special"> &lt;- </span>new-buffer <span class="Constant">80</span>
@@ -553,7 +545,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Comment"># skip § sentinel</span>
   assert curr, <span class="Constant">[editor without data is illegal; must have at least a sentinel]</span>
   curr<span class="Special"> &lt;- </span>next curr
-  <span class="muControl">reply-unless</span> curr, <span class="Constant">0</span>
+  <span class="muControl">return-unless</span> curr, <span class="Constant">0</span>
   <span class="Delimiter">{</span>
     <span class="muControl">break-unless</span> curr
     c:character<span class="Special"> &lt;- </span>get *curr, <span class="Constant">value:offset</span>
@@ -690,7 +682,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <span class="muControl">break-unless</span> scrolling?
     cursor-column:number<span class="Special"> &lt;- </span>get *current-sandbox, <span class="Constant">left:offset</span>
     screen<span class="Special"> &lt;- </span>move-cursor screen, <span class="Constant">2/row</span>, cursor-column  <span class="Comment"># highlighted sandbox will always start at row 2</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -713,21 +705,21 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Comment"># sandbox belonging to 'env' whose next-sandbox is 'in'</span>
 <span class="Comment"># return 0 if there's no such sandbox, either because 'in' doesn't exist in 'env', or because it's the first sandbox</span>
-<span class="muRecipe">recipe</span> previous-sandbox env:address:shared:programming-environment-data, in:address:shared:sandbox-data<span class="muRecipe"> -&gt; </span>out:address:shared:sandbox-data [
+<span class="muRecipe">def</span> previous-sandbox env:address:shared:programming-environment-data, in:address:shared:sandbox-data<span class="muRecipe"> -&gt; </span>out:address:shared:sandbox-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   curr:address:shared:sandbox-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">sandbox:offset</span>
-  <span class="muControl">reply-unless</span> curr, <span class="Constant">0/nil</span>
+  <span class="muControl">return-unless</span> curr, <span class="Constant">0/nil</span>
   next:address:shared:sandbox-data<span class="Special"> &lt;- </span>get *curr, <span class="Constant">next-sandbox:offset</span>
   <span class="Delimiter">{</span>
-    <span class="muControl">reply-unless</span> next, <span class="Constant">0/nil</span>
+    <span class="muControl">return-unless</span> next, <span class="Constant">0/nil</span>
     found?:boolean<span class="Special"> &lt;- </span>equal next, in
     <span class="muControl">break-if</span> found?
     curr<span class="Special"> &lt;- </span>copy next
     next<span class="Special"> &lt;- </span>get *curr, <span class="Constant">next-sandbox:offset</span>
     <span class="muControl">loop</span>
   <span class="Delimiter">}</span>
-  <span class="muControl">reply</span> curr
+  <span class="muControl">return</span> curr
 ]
 
 <span class="muScenario">scenario</span> scrolling-down-on-recipe-side [
@@ -1003,4 +995,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/006-sandbox-edit.mu.html b/html/edit/006-sandbox-edit.mu.html
index f5b59339..f6a737b2 100644
--- a/html/edit/006-sandbox-edit.mu.html
+++ b/html/edit/006-sandbox-edit.mu.html
@@ -3,35 +3,27 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/006-sandbox-edit.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
 .muControl { color: #c0a020; }
+.Delimiter { color: #a04060; }
 .muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
 .Special { color: #ff6060; }
 .Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
+.muScenario { color: #00af00; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## editing sandboxes after they've been created</span>
 
 <span class="muScenario">scenario</span> clicking-on-a-sandbox-moves-it-to-editor [
@@ -126,7 +118,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> empty-editor? editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:boolean [
+<span class="muRecipe">def</span> empty-editor? editor:address:shared:editor-data<span class="muRecipe"> -&gt; </span>result:boolean [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   head:address:shared:duplex-list:character<span class="Special"> &lt;- </span>get *editor, <span class="Constant">data:offset</span>
@@ -134,13 +126,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   result<span class="Special"> &lt;- </span>not first
 ]
 
-<span class="muRecipe">recipe</span> extract-sandbox env:address:shared:programming-environment-data, click-row:number<span class="muRecipe"> -&gt; </span>result:address:shared:sandbox-data, env:address:shared:programming-environment-data [
+<span class="muRecipe">def</span> extract-sandbox env:address:shared:programming-environment-data, click-row:number<span class="muRecipe"> -&gt; </span>result:address:shared:sandbox-data, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   sandbox:address:address:shared:sandbox-data<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">sandbox:offset</span>
   start:number<span class="Special"> &lt;- </span>get **sandbox, <span class="Constant">starting-row-on-screen:offset</span>
   in-editor?:boolean<span class="Special"> &lt;- </span>lesser-than click-row, start
-  <span class="muControl">reply-if</span> in-editor?, <span class="Constant">0</span>
+  <span class="muControl">return-if</span> in-editor?, <span class="Constant">0</span>
   <span class="Delimiter">{</span>
     next-sandbox:address:shared:sandbox-data<span class="Special"> &lt;- </span>get **sandbox, <span class="Constant">next-sandbox:offset</span>
     <span class="muControl">break-unless</span> next-sandbox
@@ -323,4 +315,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/007-sandbox-delete.mu.html b/html/edit/007-sandbox-delete.mu.html
index 954dcd58..a41e9466 100644
--- a/html/edit/007-sandbox-delete.mu.html
+++ b/html/edit/007-sandbox-delete.mu.html
@@ -3,35 +3,27 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/007-sandbox-delete.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
 .muControl { color: #c0a020; }
+.Delimiter { color: #a04060; }
 .muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
 .Special { color: #ff6060; }
 .Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
+.muScenario { color: #00af00; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## deleting sandboxes</span>
 
 <span class="muScenario">scenario</span> deleting-sandboxes [
@@ -111,14 +103,14 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> delete-sandbox t:touch-event, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>was-delete?:boolean, env:address:shared:programming-environment-data [
+<span class="muRecipe">def</span> delete-sandbox t:touch-event, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>was-delete?:boolean, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   click-column:number<span class="Special"> &lt;- </span>get t, <span class="Constant">column:offset</span>
   current-sandbox:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">current-sandbox:offset</span>
   right:number<span class="Special"> &lt;- </span>get *current-sandbox, <span class="Constant">right:offset</span>
   at-right?:boolean<span class="Special"> &lt;- </span>equal click-column, right
-  <span class="muControl">reply-unless</span> at-right?, <span class="Constant">0/false</span>
+  <span class="muControl">return-unless</span> at-right?, <span class="Constant">0/false</span>
   click-row:number<span class="Special"> &lt;- </span>get t, <span class="Constant">row:offset</span>
   prev:address:address:shared:sandbox-data<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">sandbox:offset</span>
   curr:address:shared:sandbox-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">sandbox:offset</span>
@@ -142,13 +134,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
         <span class="muControl">break-unless</span> reset-scroll?
         *render-from<span class="Special"> &lt;- </span>copy <span class="Constant">-1</span>
       <span class="Delimiter">}</span>
-      <span class="muControl">reply</span> <span class="Constant">1/true</span>  <span class="Comment"># force rerender</span>
+      <span class="muControl">return</span> <span class="Constant">1/true</span>  <span class="Comment"># force rerender</span>
     <span class="Delimiter">}</span>
     prev<span class="Special"> &lt;- </span>get-address *curr, <span class="Constant">next-sandbox:offset</span>
     curr<span class="Special"> &lt;- </span>get *curr, <span class="Constant">next-sandbox:offset</span>
     <span class="muControl">loop</span>
   <span class="Delimiter">}</span>
-  <span class="muControl">reply</span> <span class="Constant">0/false</span>
+  <span class="muControl">return</span> <span class="Constant">0/false</span>
 ]
 
 <span class="muScenario">scenario</span> deleting-sandbox-after-scroll [
@@ -343,4 +335,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/008-sandbox-test.mu.html b/html/edit/008-sandbox-test.mu.html
index 28a098ae..208636a5 100644
--- a/html/edit/008-sandbox-test.mu.html
+++ b/html/edit/008-sandbox-test.mu.html
@@ -3,36 +3,28 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/008-sandbox-test.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
 .muControl { color: #c0a020; }
+.Delimiter { color: #a04060; }
 .muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
 .muData { color: #ffff00; }
 .Special { color: #ff6060; }
 .Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
+.muScenario { color: #00af00; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## clicking on sandbox results to 'fix' them and turn sandboxes into tests</span>
 
 <span class="muScenario">scenario</span> sandbox-click-on-result-toggles-color-to-green [
@@ -167,7 +159,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> find-click-in-sandbox-output env:address:shared:programming-environment-data, click-row:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data [
+<span class="muRecipe">def</span> find-click-in-sandbox-output env:address:shared:programming-environment-data, click-row:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># assert click-row &gt;= sandbox.starting-row-on-screen</span>
@@ -187,13 +179,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
   <span class="Comment"># return sandbox if click is in its output region</span>
   response-starting-row:number<span class="Special"> &lt;- </span>get *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span>
-  <span class="muControl">reply-unless</span> response-starting-row, <span class="Constant">0/no-click-in-sandbox-output</span>
+  <span class="muControl">return-unless</span> response-starting-row, <span class="Constant">0/no-click-in-sandbox-output</span>
   click-in-response?:boolean<span class="Special"> &lt;- </span>greater-or-equal click-row, response-starting-row
-  <span class="muControl">reply-unless</span> click-in-response?, <span class="Constant">0/no-click-in-sandbox-output</span>
-  <span class="muControl">reply</span> sandbox
+  <span class="muControl">return-unless</span> click-in-response?, <span class="Constant">0/no-click-in-sandbox-output</span>
+  <span class="muControl">return</span> sandbox
 ]
 
-<span class="muRecipe">recipe</span> toggle-expected-response sandbox:address:shared:sandbox-data<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data [
+<span class="muRecipe">def</span> toggle-expected-response sandbox:address:shared:sandbox-data<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   expected-response:address:address:shared:array:character<span class="Special"> &lt;- </span>get-address *sandbox, <span class="Constant">expected-response:offset</span>
@@ -201,7 +193,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <span class="Comment"># if expected-response is set, reset</span>
     <span class="muControl">break-unless</span> *expected-response
     *expected-response<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-    <span class="muControl">reply</span> sandbox/same-as-ingredient:<span class="Constant">0</span>
+    <span class="muControl">return</span> sandbox/same-as-ingredient:<span class="Constant">0</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># if not, current response is the expected response</span>
   response:address:shared:array:character<span class="Special"> &lt;- </span>get *sandbox, <span class="Constant">response:offset</span>
@@ -236,4 +228,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/009-sandbox-trace.mu.html b/html/edit/009-sandbox-trace.mu.html
index 868d68fc..7a88ee9e 100644
--- a/html/edit/009-sandbox-trace.mu.html
+++ b/html/edit/009-sandbox-trace.mu.html
@@ -3,36 +3,28 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/009-sandbox-trace.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
-.muControl { color: #c0a020; }
+.Delimiter { color: #a04060; }
 .muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
 .muData { color: #ffff00; }
+.muControl { color: #c0a020; }
 .Special { color: #ff6060; }
 .Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
+.muScenario { color: #00af00; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## clicking on the code typed into a sandbox toggles its trace</span>
 
 <span class="muScenario">scenario</span> sandbox-click-on-code-toggles-app-trace [
@@ -162,7 +154,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># replaced in a later layer</span>
-<span class="muRecipe">recipe!</span> update-sandbox sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data, idx:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data [
+<span class="muRecipe">def!</span> update-sandbox sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data, idx:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   data:address:shared:array:character<span class="Special"> &lt;- </span>get *sandbox, <span class="Constant">data:offset</span>
@@ -201,7 +193,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
 ]
 
-<span class="muRecipe">recipe</span> find-click-in-sandbox-code env:address:shared:programming-environment-data, click-row:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data [
+<span class="muRecipe">def</span> find-click-in-sandbox-code env:address:shared:programming-environment-data, click-row:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   <span class="Comment"># assert click-row &gt;= sandbox.starting-row-on-screen</span>
@@ -227,9 +219,9 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   click-on-sandbox-code?:boolean<span class="Special"> &lt;- </span>and click-above-response?, click-below-menu?
   <span class="Delimiter">{</span>
     <span class="muControl">break-if</span> click-on-sandbox-code?
-    <span class="muControl">reply</span> <span class="Constant">0/no-click-in-sandbox-output</span>
+    <span class="muControl">return</span> <span class="Constant">0/no-click-in-sandbox-output</span>
   <span class="Delimiter">}</span>
-  <span class="muControl">reply</span> sandbox
+  <span class="muControl">return</span> sandbox
 ]
 
 <span class="Comment"># when rendering a sandbox, dump its trace before response/warning if display-trace? property is set</span>
@@ -246,4 +238,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 </pre>
 </body>
 </html>
-<!-- vim: set foldmethod=manual : -->
diff --git a/html/edit/010-errors.mu.html b/html/edit/010-errors.mu.html
index 1616c8cf..aff63491 100644
--- a/html/edit/010-errors.mu.html
+++ b/html/edit/010-errors.mu.html
@@ -3,36 +3,28 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/010-errors.mu</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v1">
+<meta name="Generator" content="Vim/7.3">
+<meta name="plugin-version" content="vim7.3_v6">
 <meta name="syntax" content="none">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
-<meta name="colorscheme" content="minimal">
+<meta name="settings" content="use_css">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
+pre { font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 1.05em; }
+.muScenario { color: #00af00; }
 .muControl { color: #c0a020; }
-.muRecipe { color: #ff8700; }
+.Delimiter { color: #a04060; }
 .Special { color: #ff6060; }
-.muData { color: #ffff00; }
-.Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
+.muRecipe { color: #ff8700; }
+.Comment { color: #9090ff; }
+.muData { color: #ffff00; }
 .SalientComment { color: #00ffff; }
-.Delimiter { color: #a04060; }
-.muScenario { color: #00af00; }
 -->
 </style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
 </head>
 <body>
-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## handling malformed programs</span>
 
 <span class="muData">container</span> programming-environment-data [
@@ -40,7 +32,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 ]
 
 <span class="Comment"># copy code from recipe editor, persist, load into mu, save any errors</span>
-<span class="muRecipe">recipe!</span> update-recipes env:address:shared:programming-environment-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>errors-found?:boolean, env:address:shared:programming-environment-data, screen:address:shared:screen [
+<span class="muRecipe">def!</span> update-recipes env:address:shared:programming-environment-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>errors-found?:boolean, env:address:shared:programming-environment-data, screen:address:shared:screen [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   recipes:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">recipes:offset</span>
@@ -54,7 +46,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     status:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[errors found     ]</span>
     update-status screen, status, <span class="Constant">1/red</span>
     errors-found?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
-    <span class="muControl">reply</span>
+    <span class="muControl">return</span>
   <span class="Delimiter">}</span>
   errors-found?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
 ]
@@ -116,7 +108,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   errors:address:shared:array:character
 ]
 
-<span class="muRecipe">recipe!</span> update-sandbox sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data, idx:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data [
+<span class="muRecipe">def!</span> update-sandbox sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data, idx:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   data:address:shared:array:character<span class="Special"> &lt;- </span>get *sandbox, <span class="Constant">data:offset</span>
@@ -732,4 +724,3 @@ _, c:number<span class="Special"> &lt;- </span>divide-with-remainder a, b
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diff --git a/html/edit/011-editor-undo.mu.html b/html/edit/011-editor-undo.mu.html
index d5d66d09..78005789 100644
--- a/html/edit/011-editor-undo.mu.html
+++ b/html/edit/011-editor-undo.mu.html
@@ -3,36 +3,28 @@
 <head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
 <title>Mu - edit/011-editor-undo.mu</title>
-<meta name="Generator" content="Vim/7.4">
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+<meta name="Generator" content="Vim/7.3">
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-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
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+<meta name="settings" content="use_css">
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-<pre id='vimCodeElement'>
+<pre>
 <span class="SalientComment">## undo/redo</span>
 
 <span class="Comment"># for every undoable event, create a type of *operation* that contains all the</span>
@@ -107,7 +99,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     redo:address:address:shared:list:address:shared:operation<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">redo:offset</span>
     *redo<span class="Special"> &lt;- </span>push op, *redo
 <span class="Constant">    &lt;handle-undo&gt;</span>
-    <span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>, <span class="Constant">1/go-render</span>
+    <span class="muControl">return</span> screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>, <span class="Constant">1/go-render</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -123,7 +115,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     undo:address:address:shared:list:address:shared:operation<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">undo:offset</span>
     *undo<span class="Special"> &lt;- </span>push op, *undo
 <span class="Constant">    &lt;handle-redo&gt;</span>
-    <span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>, <span class="Constant">1/go-render</span>
+    <span class="muControl">return</span> screen/same-as-ingredient:<span class="Constant">0</span>, editor/same-as-ingredient:<span class="Constant">1</span>, <span class="Constant">1/go-render</span>
   <span class="Delimiter">}</span>
 ]
 
@@ -224,14 +216,14 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="Comment"># redo stack, because it's now obsolete.</span>
 <span class="Comment"># Beware: since we're counting cursor moves as operations, this means just</span>
 <span class="Comment"># moving the cursor can lose work on the undo stack.</span>
-<span class="muRecipe">recipe</span> add-operation editor:address:shared:editor-data, op:address:shared:operation<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
+<span class="muRecipe">def</span> add-operation editor:address:shared:editor-data, op:address:shared:operation<span class="muRecipe"> -&gt; </span>editor:address:shared:editor-data [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
   undo:address:address:shared:list:address:shared:operation<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">undo:offset</span>
   *undo<span class="Special"> &lt;- </span>push op *undo
   redo:address:address:shared:list:address:shared:operation<span class="Special"> &lt;- </span>get-address *editor, <span class="Constant">redo:offset</span>
   *redo<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-  <span class="muControl">reply</span> editor/same-as-ingredient:<span class="Constant">0</span>
+  <span class="muControl">return</span> editor/same-as-ingredient:<span class="Constant">0</span>
 ]
 
 <span class="muRecipe">after</span> <span class="Constant">&lt;handle-undo&gt;</span> [
@@ -2108,4 +2100,3 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
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