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Diffstat (limited to 'html/edit/006-sandbox-copy.mu.html')
-rw-r--r--html/edit/006-sandbox-copy.mu.html217
1 files changed, 109 insertions, 108 deletions
diff --git a/html/edit/006-sandbox-copy.mu.html b/html/edit/006-sandbox-copy.mu.html
index b5c5bb85..3ece6b06 100644
--- a/html/edit/006-sandbox-copy.mu.html
+++ b/html/edit/006-sandbox-copy.mu.html
@@ -15,15 +15,16 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
 a { text-decoration: none; }
 a:hover { text-decoration: underline; }
 * { font-size: 12pt; font-size: 1em; }
-.Delimiter { color: #800080; }
-.muControl { color: #c0a020; }
+.Conceal { color: #4e4e4e; }
+.muScenario { color: #00af00; }
 .Special { color: #c00000; }
+.Delimiter { color: #800080; }
 .SalientComment { color: #00ffff; }
 .Constant { color: #00a0a0; }
 .LineNr { color: #444444; }
-.Comment { color: #9090ff; }
 .muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
+.Comment { color: #9090ff; }
+.muControl { color: #c0a020; }
 -->
 </style>
 
@@ -71,53 +72,53 @@ if ('onhashchange' in window) {
 <span id="L11" class="LineNr"> 11 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L4'>screen</a>, <span class="Constant">[add 1, 1]</span>  <span class="Comment"># contents of sandbox editor</span>
 <span id="L12" class="LineNr"> 12 </span>  <span class="Comment"># run it</span>
 <span id="L13" class="LineNr"> 13 </span>  assume-console [
-<span id="L14" class="LineNr"> 14 </span>    press F4
+<span id="L14" class="LineNr"> 14 </span>  <span class="Conceal">¦</span> press F4
 <span id="L15" class="LineNr"> 15 </span>  ]
 <span id="L16" class="LineNr"> 16 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L17" class="LineNr"> 17 </span>  screen-should-contain [
-<span id="L18" class="LineNr"> 18 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L19" class="LineNr"> 19 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
-<span id="L20" class="LineNr"> 20 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L21" class="LineNr"> 21 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L22" class="LineNr"> 22 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L23" class="LineNr"> 23 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L24" class="LineNr"> 24 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L25" class="LineNr"> 25 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L18" class="LineNr"> 18 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L19" class="LineNr"> 19 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L20" class="LineNr"> 20 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L21" class="LineNr"> 21 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L22" class="LineNr"> 22 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L23" class="LineNr"> 23 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L24" class="LineNr"> 24 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L25" class="LineNr"> 25 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L26" class="LineNr"> 26 </span>  ]
 <span id="L27" class="LineNr"> 27 </span>  <span class="Comment"># click at left edge of 'copy' button</span>
 <span id="L28" class="LineNr"> 28 </span>  assume-console [
-<span id="L29" class="LineNr"> 29 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 69</span>
+<span id="L29" class="LineNr"> 29 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 69</span>
 <span id="L30" class="LineNr"> 30 </span>  ]
 <span id="L31" class="LineNr"> 31 </span>  run [
-<span id="L32" class="LineNr"> 32 </span>    <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
+<span id="L32" class="LineNr"> 32 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L33" class="LineNr"> 33 </span>  ]
 <span id="L34" class="LineNr"> 34 </span>  <span class="Comment"># it copies into editor</span>
 <span id="L35" class="LineNr"> 35 </span>  screen-should-contain [
-<span id="L36" class="LineNr"> 36 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L37" class="LineNr"> 37 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L38" class="LineNr"> 38 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L39" class="LineNr"> 39 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L40" class="LineNr"> 40 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L41" class="LineNr"> 41 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L42" class="LineNr"> 42 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L43" class="LineNr"> 43 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L38" class="LineNr"> 38 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L40" class="LineNr"> 40 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L41" class="LineNr"> 41 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L42" class="LineNr"> 42 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L43" class="LineNr"> 43 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L44" class="LineNr"> 44 </span>  ]
 <span id="L45" class="LineNr"> 45 </span>  <span class="Comment"># cursor should be in the right place</span>
 <span id="L46" class="LineNr"> 46 </span>  assume-console [
-<span id="L47" class="LineNr"> 47 </span>    type <span class="Constant">[0]</span>
+<span id="L47" class="LineNr"> 47 </span>  <span class="Conceal">¦</span> type <span class="Constant">[0]</span>
 <span id="L48" class="LineNr"> 48 </span>  ]
 <span id="L49" class="LineNr"> 49 </span>  run [
-<span id="L50" class="LineNr"> 50 </span>    <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
+<span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L51" class="LineNr"> 51 </span>  ]
 <span id="L52" class="LineNr"> 52 </span>  screen-should-contain [
-<span id="L53" class="LineNr"> 53 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L54" class="LineNr"> 54 </span>   <span class="Constant"> .                                                  ╎0add 1, 1                                        .</span>
-<span id="L55" class="LineNr"> 55 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L56" class="LineNr"> 56 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L57" class="LineNr"> 57 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L58" class="LineNr"> 58 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L59" class="LineNr"> 59 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L60" class="LineNr"> 60 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L53" class="LineNr"> 53 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L54" class="LineNr"> 54 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0add 1, 1                                        .</span>
+<span id="L55" class="LineNr"> 55 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L56" class="LineNr"> 56 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L57" class="LineNr"> 57 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L58" class="LineNr"> 58 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L60" class="LineNr"> 60 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L61" class="LineNr"> 61 </span>  ]
 <span id="L62" class="LineNr"> 62 </span>]
 <span id="L63" class="LineNr"> 63 </span>
@@ -131,68 +132,68 @@ if ('onhashchange' in window) {
 <span id="L71" class="LineNr"> 71 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L4'>screen</a>, <span class="Constant">[add 1, 1]</span>  <span class="Comment"># contents of sandbox editor</span>
 <span id="L72" class="LineNr"> 72 </span>  <span class="Comment"># run it</span>
 <span id="L73" class="LineNr"> 73 </span>  assume-console [
-<span id="L74" class="LineNr"> 74 </span>    press F4
+<span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span> press F4
 <span id="L75" class="LineNr"> 75 </span>  ]
 <span id="L76" class="LineNr"> 76 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L77" class="LineNr"> 77 </span>  screen-should-contain [
-<span id="L78" class="LineNr"> 78 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L79" class="LineNr"> 79 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
-<span id="L80" class="LineNr"> 80 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L81" class="LineNr"> 81 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L82" class="LineNr"> 82 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L83" class="LineNr"> 83 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L84" class="LineNr"> 84 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L85" class="LineNr"> 85 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L79" class="LineNr"> 79 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L80" class="LineNr"> 80 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L81" class="LineNr"> 81 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L83" class="LineNr"> 83 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L84" class="LineNr"> 84 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L86" class="LineNr"> 86 </span>  ]
 <span id="L87" class="LineNr"> 87 </span>  <span class="Comment"># click at right edge of 'copy' button (just before 'delete')</span>
 <span id="L88" class="LineNr"> 88 </span>  assume-console [
-<span id="L89" class="LineNr"> 89 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 84</span>
+<span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 84</span>
 <span id="L90" class="LineNr"> 90 </span>  ]
 <span id="L91" class="LineNr"> 91 </span>  run [
-<span id="L92" class="LineNr"> 92 </span>    <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
+<span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L93" class="LineNr"> 93 </span>  ]
 <span id="L94" class="LineNr"> 94 </span>  <span class="Comment"># it copies into editor</span>
 <span id="L95" class="LineNr"> 95 </span>  screen-should-contain [
-<span id="L96" class="LineNr"> 96 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L97" class="LineNr"> 97 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L98" class="LineNr"> 98 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L99" class="LineNr"> 99 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L100" class="LineNr">100 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L101" class="LineNr">101 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L102" class="LineNr">102 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L103" class="LineNr">103 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L98" class="LineNr"> 98 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L99" class="LineNr"> 99 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L100" class="LineNr">100 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L101" class="LineNr">101 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L104" class="LineNr">104 </span>  ]
 <span id="L105" class="LineNr">105 </span>  <span class="Comment"># cursor should be in the right place</span>
 <span id="L106" class="LineNr">106 </span>  assume-console [
-<span id="L107" class="LineNr">107 </span>    type <span class="Constant">[0]</span>
+<span id="L107" class="LineNr">107 </span>  <span class="Conceal">¦</span> type <span class="Constant">[0]</span>
 <span id="L108" class="LineNr">108 </span>  ]
 <span id="L109" class="LineNr">109 </span>  run [
-<span id="L110" class="LineNr">110 </span>    <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
+<span id="L110" class="LineNr">110 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L111" class="LineNr">111 </span>  ]
 <span id="L112" class="LineNr">112 </span>  screen-should-contain [
-<span id="L113" class="LineNr">113 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L114" class="LineNr">114 </span>   <span class="Constant"> .                                                  ╎0add 1, 1                                        .</span>
-<span id="L115" class="LineNr">115 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L116" class="LineNr">116 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L117" class="LineNr">117 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L118" class="LineNr">118 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L119" class="LineNr">119 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L120" class="LineNr">120 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L113" class="LineNr">113 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L114" class="LineNr">114 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0add 1, 1                                        .</span>
+<span id="L115" class="LineNr">115 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L116" class="LineNr">116 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L117" class="LineNr">117 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L118" class="LineNr">118 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L119" class="LineNr">119 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L120" class="LineNr">120 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L121" class="LineNr">121 </span>  ]
 <span id="L122" class="LineNr">122 </span>]
 <span id="L123" class="LineNr">123 </span>
 <span id="L124" class="LineNr">124 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L80'>&lt;global-touch&gt;</a></span> [
 <span id="L125" class="LineNr">125 </span>  <span class="Comment"># support 'copy' button</span>
 <span id="L126" class="LineNr">126 </span>  <span class="Delimiter">{</span>
-<span id="L127" class="LineNr">127 </span>    copy?:bool <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L140'>should-attempt-copy?</a> click-row, click-column, env
-<span id="L128" class="LineNr">128 </span>    <span class="muControl">break-unless</span> copy?
-<span id="L129" class="LineNr">129 </span>    copy?, env <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L159'>try-copy-sandbox</a> click-row, env
-<span id="L130" class="LineNr">130 </span>    <span class="muControl">break-unless</span> copy?
-<span id="L131" class="LineNr">131 </span>    <a href='../081print.mu.html#L623'>hide-screen</a> <a href='../081print.mu.html#L4'>screen</a>
-<span id="L132" class="LineNr">132 </span>    <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> render-sandbox-side <a href='../081print.mu.html#L4'>screen</a>, env, <a href='001-editor.mu.html#L123'>render</a>
-<span id="L133" class="LineNr">133 </span>    <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L511'>update-cursor</a> <a href='../081print.mu.html#L4'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env
-<span id="L134" class="LineNr">134 </span>    <a href='../081print.mu.html#L631'>show-screen</a> <a href='../081print.mu.html#L4'>screen</a>
-<span id="L135" class="LineNr">135 </span>    <span class="muControl">loop</span> <span class="Constant">+next-event</span>
+<span id="L127" class="LineNr">127 </span>  <span class="Conceal">¦</span> copy?:bool <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L140'>should-attempt-copy?</a> click-row, click-column, env
+<span id="L128" class="LineNr">128 </span>  <span class="Conceal">¦</span> <span class="muControl">break-unless</span> copy?
+<span id="L129" class="LineNr">129 </span>  <span class="Conceal">¦</span> copy?, env <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L159'>try-copy-sandbox</a> click-row, env
+<span id="L130" class="LineNr">130 </span>  <span class="Conceal">¦</span> <span class="muControl">break-unless</span> copy?
+<span id="L131" class="LineNr">131 </span>  <span class="Conceal">¦</span> <a href='../081print.mu.html#L623'>hide-screen</a> <a href='../081print.mu.html#L4'>screen</a>
+<span id="L132" class="LineNr">132 </span>  <span class="Conceal">¦</span> <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> render-sandbox-side <a href='../081print.mu.html#L4'>screen</a>, env, <a href='001-editor.mu.html#L123'>render</a>
+<span id="L133" class="LineNr">133 </span>  <span class="Conceal">¦</span> <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L511'>update-cursor</a> <a href='../081print.mu.html#L4'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env
+<span id="L134" class="LineNr">134 </span>  <span class="Conceal">¦</span> <a href='../081print.mu.html#L631'>show-screen</a> <a href='../081print.mu.html#L4'>screen</a>
+<span id="L135" class="LineNr">135 </span>  <span class="Conceal">¦</span> <span class="muControl">loop</span> <span class="Constant">+next-event</span>
 <span id="L136" class="LineNr">136 </span>  <span class="Delimiter">}</span>
 <span id="L137" class="LineNr">137 </span>]
 <span id="L138" class="LineNr">138 </span>
@@ -237,12 +238,12 @@ if ('onhashchange' in window) {
 <span id="L177" class="LineNr">177 </span>  <span class="Constant">load-ingredients</span>
 <span id="L178" class="LineNr">178 </span>  curr-sandbox:&amp;:sandbox <span class="Special">&lt;-</span> get *env, <span class="Constant">sandbox:offset</span>
 <span id="L179" class="LineNr">179 </span>  <span class="Delimiter">{</span>
-<span id="L180" class="LineNr">180 </span>    <span class="muControl">break-unless</span> curr-sandbox
-<span id="L181" class="LineNr">181 </span>    start:num <span class="Special">&lt;-</span> get *curr-sandbox, <span class="Constant">starting-row-on-screen:offset</span>
-<span id="L182" class="LineNr">182 </span>    found?:bool <span class="Special">&lt;-</span> equal click-row, start
-<span id="L183" class="LineNr">183 </span>    <span class="muControl">return-if</span> found?, curr-sandbox
-<span id="L184" class="LineNr">184 </span>    curr-sandbox <span class="Special">&lt;-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span>
-<span id="L185" class="LineNr">185 </span>    <span class="muControl">loop</span>
+<span id="L180" class="LineNr">180 </span>  <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr-sandbox
+<span id="L181" class="LineNr">181 </span>  <span class="Conceal">¦</span> start:num <span class="Special">&lt;-</span> get *curr-sandbox, <span class="Constant">starting-row-on-screen:offset</span>
+<span id="L182" class="LineNr">182 </span>  <span class="Conceal">¦</span> found?:bool <span class="Special">&lt;-</span> equal click-row, start
+<span id="L183" class="LineNr">183 </span>  <span class="Conceal">¦</span> <span class="muControl">return-if</span> found?, curr-sandbox
+<span id="L184" class="LineNr">184 </span>  <span class="Conceal">¦</span> curr-sandbox <span class="Special">&lt;-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span>
+<span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span> <span class="muControl">loop</span>
 <span id="L186" class="LineNr">186 </span>  <span class="Delimiter">}</span>
 <span id="L187" class="LineNr">187 </span>  <span class="muControl">return</span> <span class="Constant">0/not-found</span>
 <span id="L188" class="LineNr">188 </span>]
@@ -286,55 +287,55 @@ if ('onhashchange' in window) {
 <span id="L226" class="LineNr">226 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L4'>screen</a>, <span class="Constant">[add 1, 1]</span>  <span class="Comment"># contents of sandbox editor</span>
 <span id="L227" class="LineNr">227 </span>  <span class="Comment"># run it</span>
 <span id="L228" class="LineNr">228 </span>  assume-console [
-<span id="L229" class="LineNr">229 </span>    press F4
+<span id="L229" class="LineNr">229 </span>  <span class="Conceal">¦</span> press F4
 <span id="L230" class="LineNr">230 </span>  ]
 <span id="L231" class="LineNr">231 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L232" class="LineNr">232 </span>  screen-should-contain [
-<span id="L233" class="LineNr">233 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L234" class="LineNr">234 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
-<span id="L235" class="LineNr">235 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L236" class="LineNr">236 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L237" class="LineNr">237 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L238" class="LineNr">238 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L239" class="LineNr">239 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L240" class="LineNr">240 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L233" class="LineNr">233 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L234" class="LineNr">234 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L235" class="LineNr">235 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L236" class="LineNr">236 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L237" class="LineNr">237 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L238" class="LineNr">238 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L239" class="LineNr">239 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L240" class="LineNr">240 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L241" class="LineNr">241 </span>  ]
 <span id="L242" class="LineNr">242 </span>  <span class="Comment"># type something into the sandbox editor, then click on the 'copy' button</span>
 <span id="L243" class="LineNr">243 </span>  assume-console [
-<span id="L244" class="LineNr">244 </span>    left-click<span class="Constant"> 2</span>,<span class="Constant"> 70</span>  <span class="Comment"># put cursor in sandbox editor</span>
-<span id="L245" class="LineNr">245 </span>    type <span class="Constant">[0]</span>  <span class="Comment"># type something</span>
-<span id="L246" class="LineNr">246 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 70</span>  <span class="Comment"># click 'copy' button</span>
+<span id="L244" class="LineNr">244 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 70</span>  <span class="Comment"># put cursor in sandbox editor</span>
+<span id="L245" class="LineNr">245 </span>  <span class="Conceal">¦</span> type <span class="Constant">[0]</span>  <span class="Comment"># type something</span>
+<span id="L246" class="LineNr">246 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 70</span>  <span class="Comment"># click 'copy' button</span>
 <span id="L247" class="LineNr">247 </span>  ]
 <span id="L248" class="LineNr">248 </span>  run [
-<span id="L249" class="LineNr">249 </span>    <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
+<span id="L249" class="LineNr">249 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L250" class="LineNr">250 </span>  ]
 <span id="L251" class="LineNr">251 </span>  <span class="Comment"># copy doesn't happen</span>
 <span id="L252" class="LineNr">252 </span>  screen-should-contain [
-<span id="L253" class="LineNr">253 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L254" class="LineNr">254 </span>   <span class="Constant"> .                                                  ╎0                                                .</span>
-<span id="L255" class="LineNr">255 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L256" class="LineNr">256 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L257" class="LineNr">257 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L258" class="LineNr">258 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L259" class="LineNr">259 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L260" class="LineNr">260 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L253" class="LineNr">253 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L254" class="LineNr">254 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0                                                .</span>
+<span id="L255" class="LineNr">255 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L256" class="LineNr">256 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L257" class="LineNr">257 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L258" class="LineNr">258 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L259" class="LineNr">259 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L260" class="LineNr">260 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L261" class="LineNr">261 </span>  ]
 <span id="L262" class="LineNr">262 </span>  <span class="Comment"># cursor should be in the right place</span>
 <span id="L263" class="LineNr">263 </span>  assume-console [
-<span id="L264" class="LineNr">264 </span>    type <span class="Constant">[1]</span>
+<span id="L264" class="LineNr">264 </span>  <span class="Conceal">¦</span> type <span class="Constant">[1]</span>
 <span id="L265" class="LineNr">265 </span>  ]
 <span id="L266" class="LineNr">266 </span>  run [
-<span id="L267" class="LineNr">267 </span>    <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
+<span id="L267" class="LineNr">267 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
 <span id="L268" class="LineNr">268 </span>  ]
 <span id="L269" class="LineNr">269 </span>  screen-should-contain [
-<span id="L270" class="LineNr">270 </span>   <span class="Constant"> .                                                                                 run (F4)           .</span>
-<span id="L271" class="LineNr">271 </span>   <span class="Constant"> .                                                  ╎01                                               .</span>
-<span id="L272" class="LineNr">272 </span><span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
-<span id="L273" class="LineNr">273 </span>   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
-<span id="L274" class="LineNr">274 </span>   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
-<span id="L275" class="LineNr">275 </span>   <span class="Constant"> .                                                  ╎2                                                .</span>
-<span id="L276" class="LineNr">276 </span>   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
-<span id="L277" class="LineNr">277 </span>   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span id="L270" class="LineNr">270 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
+<span id="L271" class="LineNr">271 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎01                                               .</span>
+<span id="L272" class="LineNr">272 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+<span id="L273" class="LineNr">273 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+<span id="L274" class="LineNr">274 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+<span id="L275" class="LineNr">275 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+<span id="L277" class="LineNr">277 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
 <span id="L278" class="LineNr">278 </span>  ]
 <span id="L279" class="LineNr">279 </span>]
 </pre>