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Diffstat (limited to 'html/080display.cc.html')
-rw-r--r--html/080display.cc.html213
1 files changed, 107 insertions, 106 deletions
diff --git a/html/080display.cc.html b/html/080display.cc.html
index 38129417..4c2c5e74 100644
--- a/html/080display.cc.html
+++ b/html/080display.cc.html
@@ -16,7 +16,7 @@ a { text-decoration: none; }
 a:hover { text-decoration: underline; }
 * { font-size: 12pt; font-size: 1em; }
 .Constant { color: #00a0a0; }
-.cSpecial { color: #008000; }
+.Conceal { color: #4e4e4e; }
 .SalientComment { color: #00ffff; }
 .Comment { color: #9090ff; }
 .Delimiter { color: #800080; }
@@ -24,6 +24,7 @@ a:hover { text-decoration: underline; }
 .Identifier { color: #c0a020; }
 .Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; }
 .PreProc { color: #800080; }
+.cSpecial { color: #008000; }
 -->
 </style>
 
@@ -71,21 +72,21 @@ if ('onhashchange' in window) {
 <span id="L11" class="LineNr"> 11 </span>
 <span id="L12" class="LineNr"> 12 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
 <span id="L13" class="LineNr"> 13 </span><span class="PreProc">#define CHECK_SCREEN \</span>
-<span id="L14" class="LineNr"> 14 </span><span class="PreProc">    </span><span class="Normal">if</span><span class="PreProc"> (!tb_is_active()) </span><span class="Delimiter">{</span><span class="PreProc"> \</span>
-<span id="L15" class="LineNr"> 15 </span><span class="PreProc">      </span><span class="Normal">if</span><span class="PreProc"> (Run_tests) \</span>
-<span id="L16" class="LineNr"> 16 </span><span class="PreProc">        <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to print to real screen in a test!</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
-<span id="L17" class="LineNr"> 17 </span><span class="PreProc">      </span><span class="Normal">else</span><span class="PreProc"> \</span>
-<span id="L18" class="LineNr"> 18 </span><span class="PreProc">        <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to print to real screen before 'open-console' or after 'close-console'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
-<span id="L19" class="LineNr"> 19 </span><span class="PreProc">      </span><span class="Identifier">break</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
-<span id="L20" class="LineNr"> 20 </span><span class="PreProc">    </span><span class="Delimiter">}</span>
+<span id="L14" class="LineNr"> 14 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Normal">if</span><span class="PreProc"> (!tb_is_active()) </span><span class="Delimiter">{</span><span class="PreProc"> \</span>
+<span id="L15" class="LineNr"> 15 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Normal">if</span><span class="PreProc"> (Run_tests) \</span>
+<span id="L16" class="LineNr"> 16 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to print to real screen in a test!</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
+<span id="L17" class="LineNr"> 17 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Normal">else</span><span class="PreProc"> \</span>
+<span id="L18" class="LineNr"> 18 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to print to real screen before 'open-console' or after 'close-console'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
+<span id="L19" class="LineNr"> 19 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Identifier">break</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
+<span id="L20" class="LineNr"> 20 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Delimiter">}</span>
 <span id="L21" class="LineNr"> 21 </span><span class="PreProc">#define CHECK_CONSOLE \</span>
-<span id="L22" class="LineNr"> 22 </span><span class="PreProc">    </span><span class="Normal">if</span><span class="PreProc"> (!tb_is_active()) </span><span class="Delimiter">{</span><span class="PreProc"> \</span>
-<span id="L23" class="LineNr"> 23 </span><span class="PreProc">      </span><span class="Normal">if</span><span class="PreProc"> (Run_tests) \</span>
-<span id="L24" class="LineNr"> 24 </span><span class="PreProc">        <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to read event from real keyboard/mouse in a test!</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
-<span id="L25" class="LineNr"> 25 </span><span class="PreProc">      </span><span class="Normal">else</span><span class="PreProc"> \</span>
-<span id="L26" class="LineNr"> 26 </span><span class="PreProc">        <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to read event from real keyboard/mouse before 'open-console' or after 'close-console'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
-<span id="L27" class="LineNr"> 27 </span><span class="PreProc">      </span><span class="Identifier">break</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
-<span id="L28" class="LineNr"> 28 </span><span class="PreProc">    </span><span class="Delimiter">}</span>
+<span id="L22" class="LineNr"> 22 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Normal">if</span><span class="PreProc"> (!tb_is_active()) </span><span class="Delimiter">{</span><span class="PreProc"> \</span>
+<span id="L23" class="LineNr"> 23 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Normal">if</span><span class="PreProc"> (Run_tests) \</span>
+<span id="L24" class="LineNr"> 24 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to read event from real keyboard/mouse in a test!</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
+<span id="L25" class="LineNr"> 25 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Normal">else</span><span class="PreProc"> \</span>
+<span id="L26" class="LineNr"> 26 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; maybe(current_recipe_name()) &lt;&lt; </span><span class="Constant">&quot;tried to read event from real keyboard/mouse before 'open-console' or after 'close-console'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="PreProc"> &lt;&lt; end()</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
+<span id="L27" class="LineNr"> 27 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Identifier">break</span><span class="Delimiter">;</span><span class="PreProc"> \</span>
+<span id="L28" class="LineNr"> 28 </span><span class="PreProc">  </span><span class="Conceal">¦</span><span class="PreProc"> </span><span class="Delimiter">}</span>
 <span id="L29" class="LineNr"> 29 </span>
 <span id="L30" class="LineNr"> 30 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 <span id="L31" class="LineNr"> 31 </span>OPEN_CONSOLE<span class="Delimiter">,</span>
@@ -103,9 +104,9 @@ if ('onhashchange' in window) {
 <span id="L43" class="LineNr"> 43 </span>  <span class="Normal">int</span> height = tb_height<span class="Delimiter">();</span>
 <span id="L44" class="LineNr"> 44 </span>  <span class="Normal">if</span> <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>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>width &gt; <span class="Constant">222</span><span class="Delimiter">)</span>
-<span id="L46" class="LineNr"> 46 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;sorry, Mu doesn't support windows wider than 222 characters in console mode. Please resize your window.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L46" class="LineNr"> 46 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;sorry, Mu doesn't support windows wider than 222 characters in console mode. Please resize your window.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L47" class="LineNr"> 47 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>height &gt; <span class="Constant">222</span><span class="Delimiter">)</span>
-<span id="L48" class="LineNr"> 48 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;sorry, Mu doesn't support windows taller than 222 characters in console mode. Please resize your window.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L48" class="LineNr"> 48 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;sorry, Mu doesn't support windows taller than 222 characters in console mode. Please resize your window.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L50" class="LineNr"> 50 </span><span class="Delimiter">}</span>
 <span id="L51" class="LineNr"> 51 </span>
@@ -170,7 +171,7 @@ if ('onhashchange' in window) {
 <span id="L110" class="LineNr">110 </span>  <a href='080display.cc.html#L13'>CHECK_SCREEN</a><span class="Delimiter">;</span>
 <span id="L111" class="LineNr">111 </span>  <span class="Normal">int</span> width = tb_width<span class="Delimiter">();</span>
 <span id="L112" class="LineNr">112 </span>  <span class="Normal">for</span> <span class="Delimiter">(</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>
-<span id="L113" class="LineNr">113 </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 id="L113" class="LineNr">113 </span>  <span class="Conceal">¦</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 id="L114" class="LineNr">114 </span>  <span class="Delimiter">}</span>
 <span id="L115" class="LineNr">115 </span>  tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
 <span id="L116" class="LineNr">116 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
@@ -184,24 +185,24 @@ if ('onhashchange' in window) {
 <span id="L124" class="LineNr">124 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L125" class="LineNr">125 </span><span class="Normal">case</span> PRINT_CHARACTER_TO_DISPLAY: <span class="Delimiter">{</span>
 <span id="L126" class="LineNr">126 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L127" class="LineNr">127 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L128" class="LineNr">128 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L127" class="LineNr">127 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L128" class="LineNr">128 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L129" class="LineNr">129 </span>  <span class="Delimiter">}</span>
 <span id="L130" class="LineNr">130 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<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>
-<span id="L131" class="LineNr">131 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L132" class="LineNr">132 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L131" class="LineNr">131 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L132" class="LineNr">132 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Delimiter">}</span>
 <span id="L134" class="LineNr">134 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L135" class="LineNr">135 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<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>
-<span id="L136" class="LineNr">136 </span>      <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L137" class="LineNr">137 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L138" class="LineNr">138 </span>    <span class="Delimiter">}</span>
+<span id="L135" class="LineNr">135 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<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>
+<span id="L136" class="LineNr">136 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L137" class="LineNr">137 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L138" class="LineNr">138 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L139" class="LineNr">139 </span>  <span class="Delimiter">}</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L141" class="LineNr">141 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<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>
-<span id="L142" class="LineNr">142 </span>      <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L143" class="LineNr">143 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L144" class="LineNr">144 </span>    <span class="Delimiter">}</span>
+<span id="L141" class="LineNr">141 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<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>
+<span id="L142" class="LineNr">142 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L143" class="LineNr">143 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L144" class="LineNr">144 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L145" class="LineNr">145 </span>  <span class="Delimiter">}</span>
 <span id="L146" class="LineNr">146 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L147" class="LineNr">147 </span><span class="Delimiter">}</span>
@@ -214,35 +215,35 @@ if ('onhashchange' in window) {
 <span id="L154" class="LineNr">154 </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 id="L155" class="LineNr">155 </span>  <span class="Normal">int</span> color = TB_BLACK<span class="Delimiter">;</span>
 <span id="L156" class="LineNr">156 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L157" class="LineNr">157 </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 id="L157" class="LineNr">157 </span>  <span class="Conceal">¦</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 id="L158" class="LineNr">158 </span>  <span class="Delimiter">}</span>
 <span id="L159" class="LineNr">159 </span>  <span class="Normal">int</span> bg_color = TB_BLACK<span class="Delimiter">;</span>
 <span id="L160" class="LineNr">160 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L161" class="LineNr">161 </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 id="L162" class="LineNr">162 </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>
+<span id="L161" class="LineNr">161 </span>  <span class="Conceal">¦</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 id="L162" class="LineNr">162 </span>  <span class="Conceal">¦</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>
 <span id="L163" class="LineNr">163 </span>  <span class="Delimiter">}</span>
 <span id="L164" class="LineNr">164 </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 id="L165" class="LineNr">165 </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 id="L166" class="LineNr">166 </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>
-<span id="L167" class="LineNr">167 </span>      Display_column = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L168" class="LineNr">168 </span>      ++Display_row<span class="Delimiter">;</span>
-<span id="L169" class="LineNr">169 </span>      tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-<span id="L170" class="LineNr">170 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
-<span id="L171" class="LineNr">171 </span>    <span class="Delimiter">}</span>
-<span id="L172" class="LineNr">172 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L166" class="LineNr">166 </span>  <span class="Conceal">¦</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>
+<span id="L167" class="LineNr">167 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> Display_column = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L168" class="LineNr">168 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++Display_row<span class="Delimiter">;</span>
+<span id="L169" class="LineNr">169 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
+<span id="L170" class="LineNr">170 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+<span id="L171" class="LineNr">171 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L173" class="LineNr">173 </span>  <span class="Delimiter">}</span>
 <span id="L174" class="LineNr">174 </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 id="L175" class="LineNr">175 </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>
-<span id="L176" class="LineNr">176 </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>
-<span id="L177" class="LineNr">177 </span>      --Display_column<span class="Delimiter">;</span>
-<span id="L178" class="LineNr">178 </span>      tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-<span id="L179" class="LineNr">179 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
-<span id="L180" class="LineNr">180 </span>    <span class="Delimiter">}</span>
-<span id="L181" class="LineNr">181 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L175" class="LineNr">175 </span>  <span class="Conceal">¦</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>
+<span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</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>
+<span id="L177" class="LineNr">177 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> --Display_column<span class="Delimiter">;</span>
+<span id="L178" class="LineNr">178 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
+<span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+<span id="L180" class="LineNr">180 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L181" class="LineNr">181 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L182" class="LineNr">182 </span>  <span class="Delimiter">}</span>
 <span id="L183" class="LineNr">183 </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>
-<span id="L184" class="LineNr">184 </span>    ++Display_column<span class="Delimiter">;</span>
-<span id="L185" class="LineNr">185 </span>    tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
+<span id="L184" class="LineNr">184 </span>  <span class="Conceal">¦</span> ++Display_column<span class="Delimiter">;</span>
+<span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Delimiter">}</span>
 <span id="L187" class="LineNr">187 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
 <span id="L188" class="LineNr">188 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
@@ -272,16 +273,16 @@ if ('onhashchange' in window) {
 <span id="L212" class="LineNr">212 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
 <span id="L213" class="LineNr">213 </span><span class="Normal">case</span> MOVE_CURSOR_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L214" class="LineNr">214 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L215" class="LineNr">215 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'move-cursor-on-display' requires two ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L216" class="LineNr">216 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L215" class="LineNr">215 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'move-cursor-on-display' requires two ingredients, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L216" class="LineNr">216 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L217" class="LineNr">217 </span>  <span class="Delimiter">}</span>
 <span id="L218" class="LineNr">218 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<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>
-<span id="L219" class="LineNr">219 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L220" class="LineNr">220 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L219" class="LineNr">219 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L220" class="LineNr">220 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L221" class="LineNr">221 </span>  <span class="Delimiter">}</span>
 <span id="L222" class="LineNr">222 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<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>
-<span id="L223" class="LineNr">223 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L224" class="LineNr">224 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L223" class="LineNr">223 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>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; inst<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="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L224" class="LineNr">224 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L225" class="LineNr">225 </span>  <span class="Delimiter">}</span>
 <span id="L226" class="LineNr">226 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L227" class="LineNr">227 </span><span class="Delimiter">}</span>
@@ -309,9 +310,9 @@ if ('onhashchange' in window) {
 <span id="L249" class="LineNr">249 </span>  <span class="Normal">int</span> h=tb_height<span class="Delimiter">();</span>
 <span id="L250" class="LineNr">250 </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 id="L251" class="LineNr">251 </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>
-<span id="L252" class="LineNr">252 </span>    ++Display_row<span class="Delimiter">;</span>
-<span id="L253" class="LineNr">253 </span>    tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-<span id="L254" class="LineNr">254 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+<span id="L252" class="LineNr">252 </span>  <span class="Conceal">¦</span> ++Display_row<span class="Delimiter">;</span>
+<span id="L253" class="LineNr">253 </span>  <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
+<span id="L254" class="LineNr">254 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
 <span id="L255" class="LineNr">255 </span>  <span class="Delimiter">}</span>
 <span id="L256" class="LineNr">256 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L257" class="LineNr">257 </span><span class="Delimiter">}</span>
@@ -328,9 +329,9 @@ if ('onhashchange' in window) {
 <span id="L268" class="LineNr">268 </span><span class="Normal">case</span> MOVE_CURSOR_UP_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L269" class="LineNr">269 </span>  <a href='080display.cc.html#L13'>CHECK_SCREEN</a><span class="Delimiter">;</span>
 <span id="L270" class="LineNr">270 </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>
-<span id="L271" class="LineNr">271 </span>    --Display_row<span class="Delimiter">;</span>
-<span id="L272" class="LineNr">272 </span>    tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-<span id="L273" class="LineNr">273 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+<span id="L271" class="LineNr">271 </span>  <span class="Conceal">¦</span> --Display_row<span class="Delimiter">;</span>
+<span id="L272" class="LineNr">272 </span>  <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
+<span id="L273" class="LineNr">273 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
 <span id="L274" class="LineNr">274 </span>  <span class="Delimiter">}</span>
 <span id="L275" class="LineNr">275 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L276" class="LineNr">276 </span><span class="Delimiter">}</span>
@@ -349,9 +350,9 @@ if ('onhashchange' in window) {
 <span id="L289" class="LineNr">289 </span>  <span class="Normal">int</span> w=tb_width<span class="Delimiter">();</span>
 <span id="L290" class="LineNr">290 </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 id="L291" class="LineNr">291 </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>
-<span id="L292" class="LineNr">292 </span>    ++Display_column<span class="Delimiter">;</span>
-<span id="L293" class="LineNr">293 </span>    tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-<span id="L294" class="LineNr">294 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+<span id="L292" class="LineNr">292 </span>  <span class="Conceal">¦</span> ++Display_column<span class="Delimiter">;</span>
+<span id="L293" class="LineNr">293 </span>  <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
+<span id="L294" class="LineNr">294 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
 <span id="L295" class="LineNr">295 </span>  <span class="Delimiter">}</span>
 <span id="L296" class="LineNr">296 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L297" class="LineNr">297 </span><span class="Delimiter">}</span>
@@ -368,9 +369,9 @@ if ('onhashchange' in window) {
 <span id="L308" class="LineNr">308 </span><span class="Normal">case</span> MOVE_CURSOR_LEFT_ON_DISPLAY: <span class="Delimiter">{</span>
 <span id="L309" class="LineNr">309 </span>  <a href='080display.cc.html#L13'>CHECK_SCREEN</a><span class="Delimiter">;</span>
 <span id="L310" class="LineNr">310 </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>
-<span id="L311" class="LineNr">311 </span>    --Display_column<span class="Delimiter">;</span>
-<span id="L312" class="LineNr">312 </span>    tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
-<span id="L313" class="LineNr">313 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
+<span id="L311" class="LineNr">311 </span>  <span class="Conceal">¦</span> --Display_column<span class="Delimiter">;</span>
+<span id="L312" class="LineNr">312 </span>  <span class="Conceal">¦</span> tb_set_cursor<span class="Delimiter">(</span>Display_column<span class="Delimiter">,</span> Display_row<span class="Delimiter">);</span>
+<span id="L313" class="LineNr">313 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
 <span id="L314" class="LineNr">314 </span>  <span class="Delimiter">}</span>
 <span id="L315" class="LineNr">315 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L316" class="LineNr">316 </span><span class="Delimiter">}</span>
@@ -515,52 +516,52 @@ if ('onhashchange' in window) {
 <span id="L455" class="LineNr">455 </span>  tb_event event<span class="Delimiter">;</span>
 <span id="L456" class="LineNr">456 </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 id="L457" class="LineNr">457 </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>
-<span id="L458" class="LineNr">458 </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 id="L459" class="LineNr">459 </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>
-<span id="L460" class="LineNr">460 </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>
-<span id="L461" class="LineNr">461 </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>
-<span id="L462" class="LineNr">462 </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 id="L463" class="LineNr">463 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L458" class="LineNr">458 </span>  <span class="Conceal">¦</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 id="L459" class="LineNr">459 </span>  <span class="Conceal">¦</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>
+<span id="L460" class="LineNr">460 </span>  <span class="Conceal">¦</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>
+<span id="L461" class="LineNr">461 </span>  <span class="Conceal">¦</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>
+<span id="L462" class="LineNr">462 </span>  <span class="Conceal">¦</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 id="L463" class="LineNr">463 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L464" class="LineNr">464 </span>  <span class="Delimiter">}</span>
 <span id="L465" class="LineNr">465 </span>  <span class="Comment">// treat keys within ascii as unicode characters</span>
 <span id="L466" class="LineNr">466 </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>
-<span id="L467" class="LineNr">467 </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 id="L468" class="LineNr">468 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_CTRL_C<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L469" class="LineNr">469 </span>      tb_shutdown<span class="Delimiter">();</span>
-<span id="L470" class="LineNr">470 </span>      exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L471" class="LineNr">471 </span>    <span class="Delimiter">}</span>
-<span id="L472" class="LineNr">472 </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 id="L473" class="LineNr">473 </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>
-<span id="L474" class="LineNr">474 </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 id="L475" class="LineNr">475 </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>
-<span id="L476" class="LineNr">476 </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>
-<span id="L477" class="LineNr">477 </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 id="L478" class="LineNr">478 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L467" class="LineNr">467 </span>  <span class="Conceal">¦</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 id="L468" class="LineNr">468 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>event<span class="Delimiter">.</span>key == TB_KEY_CTRL_C<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L469" class="LineNr">469 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> tb_shutdown<span class="Delimiter">();</span>
+<span id="L470" class="LineNr">470 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L471" class="LineNr">471 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L472" class="LineNr">472 </span>  <span class="Conceal">¦</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 id="L473" class="LineNr">473 </span>  <span class="Conceal">¦</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>
+<span id="L474" class="LineNr">474 </span>  <span class="Conceal">¦</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 id="L475" class="LineNr">475 </span>  <span class="Conceal">¦</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>
+<span id="L476" class="LineNr">476 </span>  <span class="Conceal">¦</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>
+<span id="L477" class="LineNr">477 </span>  <span class="Conceal">¦</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 id="L478" class="LineNr">478 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L479" class="LineNr">479 </span>  <span class="Delimiter">}</span>
 <span id="L480" class="LineNr">480 </span>  <span class="Comment">// keys outside ascii aren't unicode characters but arbitrary termbox inventions</span>
 <span id="L481" class="LineNr">481 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>event_type == TB_EVENT_KEY<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L482" class="LineNr">482 </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>
-<span id="L483" class="LineNr">483 </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 id="L484" class="LineNr">484 </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>
-<span id="L485" class="LineNr">485 </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>
-<span id="L486" class="LineNr">486 </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 id="L487" class="LineNr">487 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L482" class="LineNr">482 </span>  <span class="Conceal">¦</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>
+<span id="L483" class="LineNr">483 </span>  <span class="Conceal">¦</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 id="L484" class="LineNr">484 </span>  <span class="Conceal">¦</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>
+<span id="L485" class="LineNr">485 </span>  <span class="Conceal">¦</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>
+<span id="L486" class="LineNr">486 </span>  <span class="Conceal">¦</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 id="L487" class="LineNr">487 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L488" class="LineNr">488 </span>  <span class="Delimiter">}</span>
 <span id="L489" class="LineNr">489 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>event_type == TB_EVENT_MOUSE<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L490" class="LineNr">490 </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>
-<span id="L491" class="LineNr">491 </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>
-<span id="L492" class="LineNr">492 </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>
-<span id="L493" class="LineNr">493 </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>x<span class="Delimiter">);</span>  <span class="Comment">// column</span>
-<span id="L494" class="LineNr">494 </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 id="L495" class="LineNr">495 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L490" class="LineNr">490 </span>  <span class="Conceal">¦</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>
+<span id="L491" class="LineNr">491 </span>  <span class="Conceal">¦</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>
+<span id="L492" class="LineNr">492 </span>  <span class="Conceal">¦</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>
+<span id="L493" class="LineNr">493 </span>  <span class="Conceal">¦</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>x<span class="Delimiter">);</span>  <span class="Comment">// column</span>
+<span id="L494" class="LineNr">494 </span>  <span class="Conceal">¦</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 id="L495" class="LineNr">495 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L496" class="LineNr">496 </span>  <span class="Delimiter">}</span>
 <span id="L497" class="LineNr">497 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>event_type == TB_EVENT_RESIZE<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L498" class="LineNr">498 </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>
-<span id="L499" class="LineNr">499 </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>
-<span id="L500" class="LineNr">500 </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>
-<span id="L501" class="LineNr">501 </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>
-<span id="L502" class="LineNr">502 </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 id="L503" class="LineNr">503 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L498" class="LineNr">498 </span>  <span class="Conceal">¦</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>
+<span id="L499" class="LineNr">499 </span>  <span class="Conceal">¦</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>
+<span id="L500" class="LineNr">500 </span>  <span class="Conceal">¦</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>
+<span id="L501" class="LineNr">501 </span>  <span class="Conceal">¦</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>
+<span id="L502" class="LineNr">502 </span>  <span class="Conceal">¦</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 id="L503" class="LineNr">503 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L504" class="LineNr">504 </span>  <span class="Delimiter">}</span>
 <span id="L505" class="LineNr">505 </span>  assert<span class="Delimiter">(</span>event_type == <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L506" class="LineNr">506 </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>
@@ -607,9 +608,9 @@ if ('onhashchange' in window) {
 <span id="L547" class="LineNr">547 </span>  <span class="Normal">int</span> 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>
 <span id="L548" class="LineNr">548 </span>  <span class="Normal">int</span> height=tb_height<span class="Delimiter">();</span>
 <span id="L549" class="LineNr">549 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><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>
-<span id="L550" class="LineNr">550 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  column &lt;= right<span class="Delimiter">;</span>  ++column<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L551" class="LineNr">551 </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 id="L552" class="LineNr">552 </span>    <span class="Delimiter">}</span>
+<span id="L550" class="LineNr">550 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  column &lt;= right<span class="Delimiter">;</span>  ++column<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L551" class="LineNr">551 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</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 id="L552" class="LineNr">552 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L553" class="LineNr">553 </span>  <span class="Delimiter">}</span>
 <span id="L554" class="LineNr">554 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Autodisplay<span class="Delimiter">)</span> tb_present<span class="Delimiter">();</span>
 <span id="L555" class="LineNr">555 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>