2062

1 files changed, 112 insertions, 77 deletions

diff --git a/html/070display.cc.html b/html/070display.cc.html
index 73ddc796..f61edd06 100644
--- a/html/070display.cc.html
+++ b/html/070display.cc.html
@@ -13,14 +13,13 @@
 pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 * { font-size: 1.05em; }
-.SalientComment { color: #00ffff; }
+.cSpecial { color: #008000; }
+.Identifier { color: #804000; }
 .Constant { color: #00a0a0; }
-.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; }
 .Comment { color: #9090ff; }
 .Delimiter { color: #a04060; }
+.SalientComment { color: #00ffff; }
 .CommentedCode { color: #6c6c6c; }
-.Identifier { color: #804000; }
-.cSpecial { color: #008000; }
 -->
 </style>
 
@@ -41,17 +40,24 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <span class="SalientComment">//:: Display management</span>
 
 <span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> Display_row = <span class="Constant">0</span><span class="Delimiter">,</span> Display_column = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span class="Normal">bool</span> Autodisplay = <span class="Constant">true</span><span class="Delimiter">;</span>
+long long int Display_row = <span class="Constant">0</span><span class="Delimiter">,</span> Display_column = <span class="Constant">0</span><span class="Delimiter">;</span>
+bool Autodisplay = <span class="Constant">true</span><span class="Delimiter">;</span>
 
 <span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 OPEN_CONSOLE<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;open-console&quot;</span>] = OPEN_CONSOLE<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> OPEN_CONSOLE: <span class="Delimiter">{</span>
+case OPEN_CONSOLE: <span class="Delimiter">{</span>
   tb_init<span class="Delimiter">();</span>
   Display_row = Display_column = <span class="Constant">0</span><span class="Delimiter">;</span>
+  long long int width = tb_width<span class="Delimiter">();</span>
+  long long int height = tb_height<span class="Delimiter">();</span>
+  if <span class="Delimiter">(</span>width &gt; <span class="Constant">222</span> || height &gt; <span class="Constant">222</span><span class="Delimiter">)</span> tb_shutdown<span class="Delimiter">();</span>
+  if <span class="Delimiter">(</span>width &gt; <span class="Constant">222</span><span class="Delimiter">)</span>
+    raise &lt;&lt; <span class="Constant">&quot;sorry, mu doesn't support windows wider than 222 characters. Please resize your window.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+  if <span class="Delimiter">(</span>height &gt; <span class="Constant">222</span><span class="Delimiter">)</span>
+    raise &lt;&lt; <span class="Constant">&quot;sorry, mu doesn't support windows taller than 222 characters. Please resize your window.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
 
@@ -60,7 +66,7 @@ CLOSE_CONSOLE<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;close-console&quot;</span>] = CLOSE_CONSOLE<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> CLOSE_CONSOLE: <span class="Delimiter">{</span>
+case CLOSE_CONSOLE: <span class="Delimiter">{</span>
   tb_shutdown<span class="Delimiter">();</span>
 <span class="CommentedCode">//?   Trace_stream-&gt;dump_layer = &quot;all&quot;; //? 1</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -74,7 +80,7 @@ CLEAR_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;clear-display&quot;</span>] = CLEAR_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> CLEAR_DISPLAY: <span class="Delimiter">{</span>
+case CLEAR_DISPLAY: <span class="Delimiter">{</span>
   tb_clear<span class="Delimiter">();</span>
   Display_row = Display_column = <span class="Constant">0</span><span class="Delimiter">;</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -85,13 +91,13 @@ CLEAR_LINE_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;clear-line-on-display&quot;</span>] = CLEAR_LINE_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> CLEAR_LINE_ON_DISPLAY: <span class="Delimiter">{</span>
-  <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> width = tb_width<span class="Delimiter">();</span>
-  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = Display_column<span class="Delimiter">;</span> x &lt; width<span class="Delimiter">;</span> ++x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+case CLEAR_LINE_ON_DISPLAY: <span class="Delimiter">{</span>
+  long long int width = tb_width<span class="Delimiter">();</span>
+  for <span class="Delimiter">(</span>long long int x = Display_column<span class="Delimiter">;</span> x &lt; width<span class="Delimiter">;</span> ++x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     tb_change_cell<span class="Delimiter">(</span>x<span class="Delimiter">,</span> Display_row<span class="Delimiter">,</span> <span class="Constant">' '</span><span class="Delimiter">,</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
   <span class="Delimiter">}</span>
   tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+  if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
 
@@ -100,60 +106,60 @@ PRINT_CHARACTER_TO_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;print-character-to-display&quot;</span>] = PRINT_CHARACTER_TO_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> PRINT_CHARACTER_TO_DISPLAY: <span class="Delimiter">{</span>
-  <span class="Normal">int</span> h=tb_height<span class="Delimiter">(),</span> w=tb_width<span class="Delimiter">();</span>
-  <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> height = <span class="Delimiter">(</span>h &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? h : <span class="Constant">0</span><span class="Delimiter">;</span>
-  <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> width = <span class="Delimiter">(</span>w &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? w : <span class="Constant">0</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+case PRINT_CHARACTER_TO_DISPLAY: <span class="Delimiter">{</span>
+  int h=tb_height<span class="Delimiter">(),</span> w=tb_width<span class="Delimiter">();</span>
+  long long int height = <span class="Delimiter">(</span>h &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? h : <span class="Constant">0</span><span class="Delimiter">;</span>
+  long long int width = <span class="Delimiter">(</span>w &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? w : <span class="Constant">0</span><span class="Delimiter">;</span>
+  if <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
     raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: 'print-character-to-display' requires at least one ingredient, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>to_string<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
     raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: first ingredient of 'print-character-to-display' should be a character, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> c = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-  <span class="Normal">int</span> color = TB_BLACK<span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+  long long int c = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+  int color = TB_BLACK<span class="Delimiter">;</span>
+  if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    if <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
       raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: second ingredient of 'print-character-to-display' should be a foreground color number, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
       <span class="Identifier">break</span><span class="Delimiter">;</span>
     <span class="Delimiter">}</span>
     color = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">int</span> bg_color = TB_BLACK<span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+  int bg_color = TB_BLACK<span class="Delimiter">;</span>
+  if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    if <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
       raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: third ingredient of 'print-character-to-display' should be a background color number, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
       <span class="Identifier">break</span><span class="Delimiter">;</span>
     <span class="Delimiter">}</span>
     bg_color = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>bg_color == <span class="Constant">0</span><span class="Delimiter">)</span> bg_color = TB_BLACK<span class="Delimiter">;</span>
+    if <span class="Delimiter">(</span>bg_color == <span class="Constant">0</span><span class="Delimiter">)</span> bg_color = TB_BLACK<span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   tb_change_cell<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">,</span> c<span class="Delimiter">,</span> color<span class="Delimiter">,</span> bg_color<span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="cSpecial">'\n'</span> || c == <span class="cSpecial">'\r'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>Display_row &lt; height-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>c == <span class="cSpecial">'\n'</span> || c == <span class="cSpecial">'\r'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    if <span class="Delimiter">(</span>Display_row &lt; height-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
       Display_column = <span class="Constant">0</span><span class="Delimiter">;</span>
       ++Display_row<span class="Delimiter">;</span>
       tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-      <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+      if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
     <span class="Delimiter">}</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="cSpecial">'\b'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>Display_column &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>c == <span class="cSpecial">'\b'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    if <span class="Delimiter">(</span>Display_column &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
       tb_change_cell<span class="Delimiter">(</span>Display_column-<span class="Constant">1</span><span class="Delimiter">,</span> Display_row<span class="Delimiter">,</span> <span class="Constant">' '</span><span class="Delimiter">,</span> color<span class="Delimiter">,</span> bg_color<span class="Delimiter">);</span>
       --Display_column<span class="Delimiter">;</span>
       tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-      <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+      if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
     <span class="Delimiter">}</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Display_column &lt; width-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>Display_column &lt; width-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
     ++Display_column<span class="Delimiter">;</span>
     tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+  if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
 
@@ -162,7 +168,7 @@ CURSOR_POSITION_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;cursor-position-on-display&quot;</span>] = CURSOR_POSITION_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> CURSOR_POSITION_ON_DISPLAY: <span class="Delimiter">{</span>
+case CURSOR_POSITION_ON_DISPLAY: <span class="Delimiter">{</span>
   products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>Display_row<span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>Display_column<span class="Delimiter">);</span>
@@ -174,23 +180,23 @@ MOVE_CURSOR_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;move-cursor-on-display&quot;</span>] = MOVE_CURSOR_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> MOVE_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+case MOVE_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
     raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: 'move-cursor-on-display' requires two ingredients, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>to_string<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
     raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: first ingredient of 'move-cursor-on-display' should be a row number, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   Display_row = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
     raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: second ingredient of 'move-cursor-on-display' should be a column number, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   Display_column = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
   tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+  if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
 
@@ -199,13 +205,13 @@ MOVE_CURSOR_DOWN_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;move-cursor-down-on-display&quot;</span>] = MOVE_CURSOR_DOWN_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> MOVE_CURSOR_DOWN_ON_DISPLAY: <span class="Delimiter">{</span>
-  <span class="Normal">int</span> h=tb_height<span class="Delimiter">();</span>
-  <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> height = <span class="Delimiter">(</span>h &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? h : <span class="Constant">0</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Display_row &lt; height-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+case MOVE_CURSOR_DOWN_ON_DISPLAY: <span class="Delimiter">{</span>
+  int h=tb_height<span class="Delimiter">();</span>
+  long long int height = <span class="Delimiter">(</span>h &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? h : <span class="Constant">0</span><span class="Delimiter">;</span>
+  if <span class="Delimiter">(</span>Display_row &lt; height-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
     Display_row++<span class="Delimiter">;</span>
     tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+    if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
   <span class="Delimiter">}</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
@@ -215,11 +221,11 @@ MOVE_CURSOR_UP_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;move-cursor-up-on-display&quot;</span>] = MOVE_CURSOR_UP_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> MOVE_CURSOR_UP_ON_DISPLAY: <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Display_row &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+case MOVE_CURSOR_UP_ON_DISPLAY: <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>Display_row &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
     Display_row--<span class="Delimiter">;</span>
     tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+    if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
   <span class="Delimiter">}</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
@@ -229,13 +235,13 @@ MOVE_CURSOR_RIGHT_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;move-cursor-right-on-display&quot;</span>] = MOVE_CURSOR_RIGHT_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> MOVE_CURSOR_RIGHT_ON_DISPLAY: <span class="Delimiter">{</span>
-  <span class="Normal">int</span> w=tb_width<span class="Delimiter">();</span>
-  <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> width = <span class="Delimiter">(</span>w &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? w : <span class="Constant">0</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Display_column &lt; width-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+case MOVE_CURSOR_RIGHT_ON_DISPLAY: <span class="Delimiter">{</span>
+  int w=tb_width<span class="Delimiter">();</span>
+  long long int width = <span class="Delimiter">(</span>w &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> ? w : <span class="Constant">0</span><span class="Delimiter">;</span>
+  if <span class="Delimiter">(</span>Display_column &lt; width-<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
     Display_column++<span class="Delimiter">;</span>
     tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+    if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
   <span class="Delimiter">}</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
@@ -245,11 +251,11 @@ MOVE_CURSOR_LEFT_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;move-cursor-left-on-display&quot;</span>] = MOVE_CURSOR_LEFT_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> MOVE_CURSOR_LEFT_ON_DISPLAY: <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>Display_column &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+case MOVE_CURSOR_LEFT_ON_DISPLAY: <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>Display_column &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
     Display_column--<span class="Delimiter">;</span>
     tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+    if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
   <span class="Delimiter">}</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
@@ -259,7 +265,7 @@ DISPLAY_WIDTH<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;display-width&quot;</span>] = DISPLAY_WIDTH<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> DISPLAY_WIDTH: <span class="Delimiter">{</span>
+case DISPLAY_WIDTH: <span class="Delimiter">{</span>
   products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>tb_width<span class="Delimiter">());</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -270,7 +276,7 @@ DISPLAY_HEIGHT<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;display-height&quot;</span>] = DISPLAY_HEIGHT<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> DISPLAY_HEIGHT: <span class="Delimiter">{</span>
+case DISPLAY_HEIGHT: <span class="Delimiter">{</span>
   products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>tb_height<span class="Delimiter">());</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -281,7 +287,7 @@ HIDE_CURSOR_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;hide-cursor-on-display&quot;</span>] = HIDE_CURSOR_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> HIDE_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
+case HIDE_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
   tb_set_cursor<span class="Delimiter">(</span>TB_HIDE_CURSOR<span class="Delimiter">,</span> TB_HIDE_CURSOR<span class="Delimiter">);</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
@@ -291,7 +297,7 @@ SHOW_CURSOR_ON_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;show-cursor-on-display&quot;</span>] = SHOW_CURSOR_ON_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> SHOW_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
+case SHOW_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
   tb_set_cursor<span class="Delimiter">(</span>Display_row<span class="Delimiter">,</span> Display_column<span class="Delimiter">);</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
@@ -301,7 +307,7 @@ HIDE_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;hide-display&quot;</span>] = HIDE_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> HIDE_DISPLAY: <span class="Delimiter">{</span>
+case HIDE_DISPLAY: <span class="Delimiter">{</span>
   Autodisplay = <span class="Constant">false</span><span class="Delimiter">;</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
@@ -311,7 +317,7 @@ SHOW_DISPLAY<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;show-display&quot;</span>] = SHOW_DISPLAY<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> SHOW_DISPLAY: <span class="Delimiter">{</span>
+case SHOW_DISPLAY: <span class="Delimiter">{</span>
   Autodisplay = <span class="Constant">true</span><span class="Delimiter">;</span>
   tb_present<span class="Delimiter">();</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -324,7 +330,7 @@ WAIT_FOR_SOME_INTERACTION<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;wait-for-some-interaction&quot;</span>] = WAIT_FOR_SOME_INTERACTION<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> WAIT_FOR_SOME_INTERACTION: <span class="Delimiter">{</span>
+case WAIT_FOR_SOME_INTERACTION: <span class="Delimiter">{</span>
   tb_event event<span class="Delimiter">;</span>
   tb_poll_event<span class="Delimiter">(</span>&amp;event<span class="Delimiter">);</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -335,11 +341,11 @@ CHECK_FOR_INTERACTION<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;check-for-interaction&quot;</span>] = CHECK_FOR_INTERACTION<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> CHECK_FOR_INTERACTION: <span class="Delimiter">{</span>
+case CHECK_FOR_INTERACTION: <span class="Delimiter">{</span>
   products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>  <span class="Comment">// result and status</span>
   tb_event event<span class="Delimiter">;</span>
-  <span class="Normal">int</span> event_type = tb_peek_event<span class="Delimiter">(</span>&amp;event<span class="Delimiter">,</span> <span class="Constant">5</span><span class="Comment">/*</span><span class="Comment">ms</span><span class="Comment">*/</span><span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>event_type == TB_EVENT_KEY &amp;&amp; event<span class="Delimiter">.</span>ch<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  int event_type = tb_peek_event<span class="Delimiter">(</span>&amp;event<span class="Delimiter">,</span> <span class="Constant">5</span><span class="Comment">/*</span><span class="Comment">ms</span><span class="Comment">*/</span><span class="Delimiter">);</span>
+  if <span class="Delimiter">(</span>event_type == TB_EVENT_KEY &amp;&amp; event<span class="Delimiter">.</span>ch<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">text event</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>event<span class="Delimiter">.</span>ch<span class="Delimiter">);</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
@@ -348,11 +354,11 @@ Recipe_ordinal[<span class="Constant">&quot;check-for-interaction&quot;</span>]
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   <span class="Comment">// treat keys within ascii as unicode characters</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>event_type == TB_EVENT_KEY &amp;&amp; event<span class="Delimiter">.</span>key &lt; <span class="Constant">0xff</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>event_type == TB_EVENT_KEY &amp;&amp; event<span class="Delimiter">.</span>key &lt; <span class="Constant">0xff</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">text event</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_CTRL_C<span class="Delimiter">)</span> tb_shutdown<span class="Delimiter">(),</span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_BACKSPACE2<span class="Delimiter">)</span> event<span class="Delimiter">.</span>key = TB_KEY_BACKSPACE<span class="Delimiter">;</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_CARRIAGE_RETURN<span class="Delimiter">)</span> event<span class="Delimiter">.</span>key = TB_KEY_NEWLINE<span class="Delimiter">;</span>
+    if <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_CTRL_C<span class="Delimiter">)</span> tb_shutdown<span class="Delimiter">(),</span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+    if <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_BACKSPACE2<span class="Delimiter">)</span> event<span class="Delimiter">.</span>key = TB_KEY_BACKSPACE<span class="Delimiter">;</span>
+    if <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_CARRIAGE_RETURN<span class="Delimiter">)</span> event<span class="Delimiter">.</span>key = TB_KEY_NEWLINE<span class="Delimiter">;</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>event<span class="Delimiter">.</span>key<span class="Delimiter">);</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
@@ -360,7 +366,7 @@ Recipe_ordinal[<span class="Constant">&quot;check-for-interaction&quot;</span>]
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   <span class="Comment">// keys outside ascii aren't unicode characters but arbitrary termbox inventions</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>event_type == TB_EVENT_KEY<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  if <span class="Delimiter">(</span>event_type == TB_EVENT_KEY<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">keycode event</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>event<span class="Delimiter">.</span>key<span class="Delimiter">);</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
@@ -368,9 +374,7 @@ Recipe_ordinal[<span class="Constant">&quot;check-for-interaction&quot;</span>]
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">found</span><span class="Comment">*/</span><span class="Constant">true</span><span class="Delimiter">);</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>event_type == TB_EVENT_MOUSE<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span class="CommentedCode">//?     tb_shutdown(); //? 1</span>
-<span class="CommentedCode">//?     cerr &lt;&lt; &quot;AAA\n&quot;; //? 1</span>
+  if <span class="Delimiter">(</span>event_type == TB_EVENT_MOUSE<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">touch event</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">);</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>event<span class="Delimiter">.</span>key<span class="Delimiter">);</span>  <span class="Comment">// which button, etc.</span>
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>event<span class="Delimiter">.</span>y<span class="Delimiter">);</span>  <span class="Comment">// row</span>
@@ -378,7 +382,15 @@ Recipe_ordinal[<span class="Constant">&quot;check-for-interaction&quot;</span>]
     products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">found</span><span class="Comment">*/</span><span class="Constant">true</span><span class="Delimiter">);</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
-  <span class="Comment">// ignore TB_EVENT_RESIZE events for now</span>
+  if <span class="Delimiter">(</span>event_type == TB_EVENT_RESIZE<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">resize event</span><span class="Comment">*/</span><span class="Constant">3</span><span class="Delimiter">);</span>
+    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>event<span class="Delimiter">.</span>w<span class="Delimiter">);</span>  <span class="Comment">// width</span>
+    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>event<span class="Delimiter">.</span>h<span class="Delimiter">);</span>  <span class="Comment">// height</span>
+    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">found</span><span class="Comment">*/</span><span class="Constant">true</span><span class="Delimiter">);</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
+  assert<span class="Delimiter">(</span>event_type == <span class="Constant">0</span><span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
@@ -392,11 +404,34 @@ INTERACTIONS_LEFT<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;interactions-left?&quot;</span>] = INTERACTIONS_LEFT<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span class="Normal">case</span> INTERACTIONS_LEFT: <span class="Delimiter">{</span>
+case INTERACTIONS_LEFT: <span class="Delimiter">{</span>
   products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>tb_event_ready<span class="Delimiter">());</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
+
+<span class="Comment">//: a hack to make edit.mu more responsive</span>
+
+<span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+CLEAR_DISPLAY_FROM<span class="Delimiter">,</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+Recipe_ordinal[<span class="Constant">&quot;clear-display-from&quot;</span>] = CLEAR_DISPLAY_FROM<span class="Delimiter">;</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+case CLEAR_DISPLAY_FROM: <span class="Delimiter">{</span>
+  <span class="Comment">// todo: error checking</span>
+  int row = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+  int column = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+  int left = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+  int right = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+  int height=tb_height<span class="Delimiter">();</span>
+  for <span class="Delimiter">(;</span> row &lt; height<span class="Delimiter">;</span> ++row<span class="Delimiter">,</span> column=left<span class="Delimiter">)</span> <span class="Delimiter">{</span>  <span class="Comment">// start column from left in every inner loop except first</span>
+    for <span class="Delimiter">(;</span> column &lt;= right<span class="Delimiter">;</span> ++column<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+      tb_change_cell<span class="Delimiter">(</span>column<span class="Delimiter">,</span> row<span class="Delimiter">,</span> <span class="Constant">' '</span><span class="Delimiter">,</span> TB_WHITE<span class="Delimiter">,</span> TB_BLACK<span class="Delimiter">);</span>
+    <span class="Delimiter">}</span>
+  <span class="Delimiter">}</span>
+  if <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span class="Delimiter">}</span>
 </pre>
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