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-rw-r--r--html/edit/005-sandbox.mu.html342
1 files changed, 171 insertions, 171 deletions
diff --git a/html/edit/005-sandbox.mu.html b/html/edit/005-sandbox.mu.html
index 17da0bdd..a1a87d1c 100644
--- a/html/edit/005-sandbox.mu.html
+++ b/html/edit/005-sandbox.mu.html
@@ -93,14 +93,14 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># check that screen prints the results</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊divide-with-remainder 11, 3                      .</span>
-   <span class="Constant"> .                                                  ┊3                                                .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎divide-with-remainder 11, 3                      .</span>
+   <span class="Constant"> .                                                  ╎3                                                .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   screen-should-contain-in-color <span class="Constant">7/white</span>, [
    <span class="Constant"> .                                                                                                    .</span>
@@ -115,14 +115,14 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   ]
   screen-should-contain-in-color <span class="Constant">245/grey</span>, [
    <span class="Constant"> .                                                                                                    .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊3                                                .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎3                                                .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   <span class="Comment"># sandbox menu in reverse video</span>
   screen-should-contain-in-color <span class="Constant">232/black</span>, [
@@ -143,18 +143,18 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># check that screen prints both sandboxes</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊divide-with-remainder 11, 3                      .</span>
-   <span class="Constant"> .                                                  ┊3                                                .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎divide-with-remainder 11, 3                      .</span>
+   <span class="Constant"> .                                                  ╎3                                                .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 
@@ -286,7 +286,7 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
     row<span class="Special"> &lt;- </span>add row, <span class="Constant">1</span>
   <span class="Delimiter">}</span>
   <span class="Comment"># render sandboxes</span>
-  draw-horizontal screen, row, left, right, <span class="Constant">9473/horizontal-double</span>
+  draw-horizontal screen, row, left, right
   sandbox:&amp;:sandbox<span class="Special"> &lt;- </span>get *env, <span class="Constant">sandbox:offset</span>
   row, screen<span class="Special"> &lt;- </span>render-sandboxes screen, sandbox, left, right, row, render-from
   clear-rest-of-screen screen, row, left, right
@@ -332,7 +332,7 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
     at-bottom?:bool<span class="Special"> &lt;- </span>greater-or-equal row, screen-height
     <span class="muControl">return-if</span> at-bottom?
     <span class="Comment"># draw solid line after sandbox</span>
-    draw-horizontal screen, row, left, right, <span class="Constant">9473/horizontal-double</span>
+    draw-horizontal screen, row, left, right
   <span class="Delimiter">}</span>
   <span class="Comment"># if hidden, reset row attributes</span>
   <span class="Delimiter">{</span>
@@ -569,14 +569,14 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   event-loop screen, console, env
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-   <span class="Constant"> .recipe foo [                                      ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .local-scope                                       ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .z:num &lt;- add 2, 2                                 ┊foo                                              .</span>
-   <span class="Constant"> .reply z                                           ┊4                                                .</span>
-   <span class="Constant"> .]                                                 ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .local-scope                                       ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .z:num &lt;- add 2, 2                                 ╎foo                                              .</span>
+   <span class="Constant"> .reply z                                           ╎4                                                .</span>
+   <span class="Constant"> .]                                                 ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   <span class="Comment"># make a change (incrementing one of the args to 'add'), then rerun</span>
   assume-console [
@@ -591,14 +591,14 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># check that screen updates the result on the right</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-   <span class="Constant"> .recipe foo [                                      ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .local-scope                                       ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .z:num &lt;- add 2, 3                                 ┊foo                                              .</span>
-   <span class="Constant"> .reply z                                           ┊5                                                .</span>
-   <span class="Constant"> .]                                                 ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .local-scope                                       ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .z:num &lt;- add 2, 3                                 ╎foo                                              .</span>
+   <span class="Constant"> .reply z                                           ╎5                                                .</span>
+   <span class="Constant"> .]                                                 ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 
@@ -619,18 +619,18 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># check that it prints a little toy screen</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊print-integer screen, 4                          .</span>
-   <span class="Constant"> .                                                  ┊screen:                                          .</span>
-   <span class="Constant"> .                                                  ┊  .4                             .               .</span>
-   <span class="Constant"> .                                                  ┊  .                              .               .</span>
-   <span class="Constant"> .                                                  ┊  .                              .               .</span>
-   <span class="Constant"> .                                                  ┊  .                              .               .</span>
-   <span class="Constant"> .                                                  ┊  .                              .               .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎print-integer screen, 4                          .</span>
+   <span class="Constant"> .                                                  ╎screen:                                          .</span>
+   <span class="Constant"> .                                                  ╎  .4                             .               .</span>
+   <span class="Constant"> .                                                  ╎  .                              .               .</span>
+   <span class="Constant"> .                                                  ╎  .                              .               .</span>
+   <span class="Constant"> .                                                  ╎  .                              .               .</span>
+   <span class="Constant"> .                                                  ╎  .                              .               .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 
@@ -687,10 +687,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># no scroll</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 
@@ -711,10 +711,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># cursor moves back to bottom</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-   <span class="Constant"> .␣                                                 ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+   <span class="Constant"> .␣                                                 ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 
@@ -790,10 +790,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># no scroll, and cursor remains at top line</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 
@@ -818,10 +818,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># no scroll on recipe side, cursor moves on sandbox side</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊ab                                               .</span>
-   <span class="Constant"> .                                                  ┊␣d                                               .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎ab                                               .</span>
+   <span class="Constant"> .                                                  ╎␣d                                               .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 
@@ -841,10 +841,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   event-loop screen, console, env
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
   ]
   <span class="Comment"># switch to sandbox window and hit 'page-down'</span>
   assume-console [
@@ -860,10 +860,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># cursor moves to first sandbox</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊␣   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎␣   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
   ]
   <span class="Comment"># hit 'page-up'</span>
   assume-console [
@@ -877,10 +877,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># sandbox editor displays again, cursor is in editor</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊␣                                                .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎␣                                                .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
   ]
 ]
 
@@ -985,10 +985,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># cursor moves down on recipe side</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .␣                                                 ┊                                                 .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
+   <span class="Constant"> .␣                                                 ╎                                                 .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
   ]
 ]
 
@@ -1012,15 +1012,15 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   print screen, cursor
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊␣                                                .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
+   <span class="Constant"> .                                                  ╎␣                                                .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
   ]
   <span class="Comment"># hit 'page-down'</span>
   assume-console [
@@ -1035,14 +1035,14 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># cursor moves to first sandbox</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊␣   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎␣   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
   ]
   <span class="Comment"># hit 'page-down' again</span>
   assume-console [
@@ -1054,12 +1054,12 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># just second sandbox displayed</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   <span class="Comment"># hit 'page-down' again</span>
   assume-console [
@@ -1071,12 +1071,12 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># no change</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   <span class="Comment"># hit 'page-up'</span>
   assume-console [
@@ -1088,14 +1088,14 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># back to displaying both sandboxes without editor</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
   ]
   <span class="Comment"># hit 'page-up' again</span>
   assume-console [
@@ -1109,15 +1109,15 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># back to displaying both sandboxes as well as editor</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊␣                                                .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
+   <span class="Constant"> .                                                  ╎␣                                                .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
   ]
   <span class="Comment"># hit 'page-up' again</span>
   assume-console [
@@ -1131,15 +1131,15 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># no change</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊␣                                                .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊1   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
-   <span class="Constant"> .                                                  ┊4                                                .</span>
+   <span class="Constant"> .                                                  ╎␣                                                .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
+   <span class="Constant"> .                                                  ╎4                                                .</span>
   ]
 ]
 
@@ -1159,13 +1159,13 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   event-loop screen, console, env
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   <span class="Comment"># hit 'page-down' and 'page-up' a couple of times. sandbox index should be stable</span>
   assume-console [
@@ -1178,12 +1178,12 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># cursor moves to first sandbox</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   <span class="Comment"># hit 'page-up' again</span>
   assume-console [
@@ -1195,13 +1195,13 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># back to displaying both sandboxes as well as editor</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
-<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
+<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
   <span class="Comment"># hit 'page-down'</span>
   assume-console [
@@ -1214,12 +1214,12 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
   <span class="Comment"># cursor moves to first sandbox</span>
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0   edit          copy            delete         .</span>
-   <span class="Constant"> .                                                  ┊add 1, 1                                         .</span>
-   <span class="Constant"> .                                                  ┊2                                                .</span>
-   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
-   <span class="Constant"> .                                                  ┊                                                 .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0   edit          copy            delete         .</span>
+   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
+   <span class="Constant"> .                                                  ╎2                                                .</span>
+   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
+   <span class="Constant"> .                                                  ╎                                                 .</span>
   ]
 ]
 </pre>