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authorKartik K. Agaram <vc@akkartik.com>2016-12-26 21:23:55 -0800
committerKartik K. Agaram <vc@akkartik.com>2016-12-26 21:23:55 -0800
commitfdfe34ded306526bd87568e50ac9a6e03c9c0594 (patch)
treeee2ae7e7ef788213397f8b74c3be2d79379d276d /html/edit/003-shortcuts.mu.html
parente932f72d36e7b9217ea2e12c12dbd8ed9ea4747b (diff)
downloadmu-fdfe34ded306526bd87568e50ac9a6e03c9c0594.tar.gz
3715
Fix cross-links in html for the edit/ app.

I originally thought I'd need to provide a commandline flag like --rel-path or
something. But we need to support different relative paths in a single html
file. So the solution instead is appropriately engineering the tags file.
Diffstat (limited to 'html/edit/003-shortcuts.mu.html')
-rw-r--r--html/edit/003-shortcuts.mu.html718
1 files changed, 359 insertions, 359 deletions
diff --git a/html/edit/003-shortcuts.mu.html b/html/edit/003-shortcuts.mu.html
index 1a19ad63..3cbade2a 100644
--- a/html/edit/003-shortcuts.mu.html
+++ b/html/edit/003-shortcuts.mu.html
@@ -68,12 +68,12 @@ if ('onhashchange' in window) {
 <span id="L10" class="LineNr">  10 </span>  <span class="Comment"># just one character in final line</span>
 <span id="L11" class="LineNr">  11 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[ab</span>
 <span id="L12" class="LineNr">  12 </span><span class="Constant">cd]</span>
-<span id="L13" class="LineNr">  13 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L13" class="LineNr">  13 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
 <span id="L14" class="LineNr">  14 </span>  assume-console [
 <span id="L15" class="LineNr">  15 </span>    press tab
 <span id="L16" class="LineNr">  16 </span>  ]
 <span id="L17" class="LineNr">  17 </span>  run [
-<span id="L18" class="LineNr">  18 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L18" class="LineNr">  18 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L19" class="LineNr">  19 </span>  ]
 <span id="L20" class="LineNr">  20 </span>  screen-should-contain [
 <span id="L21" class="LineNr">  21 </span>   <span class="Constant"> .          .</span>
@@ -87,8 +87,8 @@ if ('onhashchange' in window) {
 <span id="L29" class="LineNr">  29 </span>    tab?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">9/tab</span>
 <span id="L30" class="LineNr">  30 </span>    <span class="muControl">break-unless</span> tab?
 <span id="L31" class="LineNr">  31 </span><span class="Constant">    &lt;insert-character-begin&gt;</span>
-<span id="L32" class="LineNr">  32 </span>    insert-at-cursor editor, <span class="Constant">32/space</span>, <a href='081print.mu.html#L4'>screen</a>
-<span id="L33" class="LineNr">  33 </span>    insert-at-cursor editor, <span class="Constant">32/space</span>, <a href='081print.mu.html#L4'>screen</a>
+<span id="L32" class="LineNr">  32 </span>    <a href='002-typing.mu.html#L201'>insert-at-cursor</a> editor, <span class="Constant">32/space</span>, <a href='../081print.mu.html#L4'>screen</a>
+<span id="L33" class="LineNr">  33 </span>    <a href='002-typing.mu.html#L201'>insert-at-cursor</a> editor, <span class="Constant">32/space</span>, <a href='../081print.mu.html#L4'>screen</a>
 <span id="L34" class="LineNr">  34 </span><span class="Constant">    &lt;insert-character-end&gt;</span>
 <span id="L35" class="LineNr">  35 </span>    <span class="muControl">return</span> <span class="Constant">1/go-render</span>
 <span id="L36" class="LineNr">  36 </span>  <span class="Delimiter">}</span>
@@ -99,15 +99,15 @@ if ('onhashchange' in window) {
 <span id="L41" class="LineNr">  41 </span><span class="muScenario">scenario</span> editor-handles-backspace-key [
 <span id="L42" class="LineNr">  42 </span>  <span class="Constant">local-scope</span>
 <span id="L43" class="LineNr">  43 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
-<span id="L44" class="LineNr">  44 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L45" class="LineNr">  45 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L44" class="LineNr">  44 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L45" class="LineNr">  45 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L46" class="LineNr">  46 </span>  $clear-trace
 <span id="L47" class="LineNr">  47 </span>  assume-console [
 <span id="L48" class="LineNr">  48 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span>
 <span id="L49" class="LineNr">  49 </span>    press backspace
 <span id="L50" class="LineNr">  50 </span>  ]
 <span id="L51" class="LineNr">  51 </span>  run [
-<span id="L52" class="LineNr">  52 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L52" class="LineNr">  52 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L53" class="LineNr">  53 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L54" class="LineNr">  54 </span>    5:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L55" class="LineNr">  55 </span>  ]
@@ -129,7 +129,7 @@ if ('onhashchange' in window) {
 <span id="L71" class="LineNr">  71 </span>    delete-previous-character?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">8/backspace</span>
 <span id="L72" class="LineNr">  72 </span>    <span class="muControl">break-unless</span> delete-previous-character?
 <span id="L73" class="LineNr">  73 </span><span class="Constant">    &lt;backspace-character-begin&gt;</span>
-<span id="L74" class="LineNr">  74 </span>    go-render?:bool, backspaced-cell:&amp;:duplex-list:char <span class="Special">&lt;-</span> delete-before-cursor editor, <a href='081print.mu.html#L4'>screen</a>
+<span id="L74" class="LineNr">  74 </span>    go-render?:bool, backspaced-cell:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L83'>delete-before-cursor</a> editor, <a href='../081print.mu.html#L4'>screen</a>
 <span id="L75" class="LineNr">  75 </span><span class="Constant">    &lt;backspace-character-end&gt;</span>
 <span id="L76" class="LineNr">  76 </span>    <span class="muControl">return</span>
 <span id="L77" class="LineNr">  77 </span>  <span class="Delimiter">}</span>
@@ -138,23 +138,23 @@ if ('onhashchange' in window) {
 <span id="L80" class="LineNr">  80 </span><span class="Comment"># return values:</span>
 <span id="L81" class="LineNr">  81 </span><span class="Comment">#   go-render? - whether caller needs to update the screen</span>
 <span id="L82" class="LineNr">  82 </span><span class="Comment">#   backspaced-cell - value deleted (or 0 if nothing was deleted) so we can save it for undo, etc.</span>
-<span id="L83" class="LineNr">  83 </span><span class="muRecipe">def</span> delete-before-cursor editor:&amp;:editor, <a href='081print.mu.html#L4'>screen</a>:&amp;:<a href='081print.mu.html#L4'>screen</a><span class="muRecipe"> -&gt; </span>go-render?:bool, backspaced-cell:&amp;:duplex-list:char, editor:&amp;:editor, <a href='081print.mu.html#L4'>screen</a>:&amp;:<a href='081print.mu.html#L4'>screen</a> [
+<span id="L83" class="LineNr">  83 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L83'>delete-before-cursor</a> editor:&amp;:editor, <a href='../081print.mu.html#L4'>screen</a>:&amp;:<a href='../081print.mu.html#L4'>screen</a><span class="muRecipe"> -&gt; </span>go-render?:bool, backspaced-cell:&amp;:duplex-list:char, editor:&amp;:editor, <a href='../081print.mu.html#L4'>screen</a>:&amp;:<a href='../081print.mu.html#L4'>screen</a> [
 <span id="L84" class="LineNr">  84 </span>  <span class="Constant">local-scope</span>
 <span id="L85" class="LineNr">  85 </span>  <span class="Constant">load-ingredients</span>
 <span id="L86" class="LineNr">  86 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
 <span id="L87" class="LineNr">  87 </span>  data:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">data:offset</span>
 <span id="L88" class="LineNr">  88 </span>  <span class="Comment"># if at start of text (before-cursor at § sentinel), return</span>
-<span id="L89" class="LineNr">  89 </span>  <a href='065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> before-cursor
-<span id="L90" class="LineNr">  90 </span>  <span class="muControl">return-unless</span> <a href='065duplex_list.mu.html#L36'>prev</a>, <span class="Constant">0/no-more-render</span>, <span class="Constant">0/nothing-deleted</span>
+<span id="L89" class="LineNr">  89 </span>  <a href='../065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> before-cursor
+<span id="L90" class="LineNr">  90 </span>  <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L36'>prev</a>, <span class="Constant">0/no-more-render</span>, <span class="Constant">0/nothing-deleted</span>
 <span id="L91" class="LineNr">  91 </span>  trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[delete-before-cursor]</span>
 <span id="L92" class="LineNr">  92 </span>  original-row:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">cursor-row:offset</span>
-<span id="L93" class="LineNr">  93 </span>  scroll?:bool <span class="Special">&lt;-</span> move-cursor-coordinates-left editor
+<span id="L93" class="LineNr">  93 </span>  scroll?:bool <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L130'>move-cursor-coordinates-left</a> editor
 <span id="L94" class="LineNr">  94 </span>  backspaced-cell:&amp;:duplex-list:char <span class="Special">&lt;-</span> copy before-cursor
 <span id="L95" class="LineNr">  95 </span>  data <span class="Special">&lt;-</span> remove before-cursor, data  <span class="Comment"># will also neatly trim next/prev pointers in backspaced-cell/before-cursor</span>
-<span id="L96" class="LineNr">  96 </span>  before-cursor <span class="Special">&lt;-</span> copy <a href='065duplex_list.mu.html#L36'>prev</a>
+<span id="L96" class="LineNr">  96 </span>  before-cursor <span class="Special">&lt;-</span> copy <a href='../065duplex_list.mu.html#L36'>prev</a>
 <span id="L97" class="LineNr">  97 </span>  *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
 <span id="L98" class="LineNr">  98 </span>  <span class="muControl">return-if</span> scroll?, <span class="Constant">1/go-render</span>
-<span id="L99" class="LineNr">  99 </span>  <a href='081print.mu.html#L581'>screen-width</a>:num <span class="Special">&lt;-</span> <a href='081print.mu.html#L581'>screen-width</a> <a href='081print.mu.html#L4'>screen</a>
+<span id="L99" class="LineNr">  99 </span>  <a href='../081print.mu.html#L581'>screen-width</a>:num <span class="Special">&lt;-</span> <a href='../081print.mu.html#L581'>screen-width</a> <a href='../081print.mu.html#L4'>screen</a>
 <span id="L100" class="LineNr"> 100 </span>  cursor-row:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">cursor-row:offset</span>
 <span id="L101" class="LineNr"> 101 </span>  cursor-column:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">cursor-column:offset</span>
 <span id="L102" class="LineNr"> 102 </span>  <span class="Comment"># did we just backspace over a newline?</span>
@@ -162,8 +162,8 @@ if ('onhashchange' in window) {
 <span id="L104" class="LineNr"> 104 </span>  <span class="muControl">return-unless</span> same-row?, <span class="Constant">1/go-render</span>
 <span id="L105" class="LineNr"> 105 </span>  left:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">left:offset</span>
 <span id="L106" class="LineNr"> 106 </span>  right:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">right:offset</span>
-<span id="L107" class="LineNr"> 107 </span>  curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
-<span id="L108" class="LineNr"> 108 </span>  <a href='081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='081print.mu.html#L442'>move-cursor</a> <a href='081print.mu.html#L4'>screen</a>, cursor-row, cursor-column
+<span id="L107" class="LineNr"> 107 </span>  curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L108" class="LineNr"> 108 </span>  <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='../081print.mu.html#L442'>move-cursor</a> <a href='../081print.mu.html#L4'>screen</a>, cursor-row, cursor-column
 <span id="L109" class="LineNr"> 109 </span>  curr-column:num <span class="Special">&lt;-</span> copy cursor-column
 <span id="L110" class="LineNr"> 110 </span>  <span class="Delimiter">{</span>
 <span id="L111" class="LineNr"> 111 </span>    <span class="Comment"># hit right margin? give up and let caller render</span>
@@ -174,18 +174,18 @@ if ('onhashchange' in window) {
 <span id="L116" class="LineNr"> 116 </span>    currc:char <span class="Special">&lt;-</span> get *curr, <span class="Constant">value:offset</span>
 <span id="L117" class="LineNr"> 117 </span>    at-newline?:bool <span class="Special">&lt;-</span> equal currc, <span class="Constant">10/newline</span>
 <span id="L118" class="LineNr"> 118 </span>    <span class="muControl">break-if</span> at-newline?
-<span id="L119" class="LineNr"> 119 </span>    <a href='081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='081print.mu.html#L4'>screen</a>, currc
+<span id="L119" class="LineNr"> 119 </span>    <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='../081print.mu.html#L4'>screen</a>, currc
 <span id="L120" class="LineNr"> 120 </span>    curr-column <span class="Special">&lt;-</span> add curr-column,<span class="Constant"> 1</span>
-<span id="L121" class="LineNr"> 121 </span>    curr <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> curr
+<span id="L121" class="LineNr"> 121 </span>    curr <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> curr
 <span id="L122" class="LineNr"> 122 </span>    <span class="muControl">loop</span>
 <span id="L123" class="LineNr"> 123 </span>  <span class="Delimiter">}</span>
 <span id="L124" class="LineNr"> 124 </span>  <span class="Comment"># we're guaranteed not to be at the right margin</span>
 <span id="L125" class="LineNr"> 125 </span>  space:char <span class="Special">&lt;-</span> copy <span class="Constant">32/space</span>
-<span id="L126" class="LineNr"> 126 </span>  <a href='081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='081print.mu.html#L4'>screen</a>, space
+<span id="L126" class="LineNr"> 126 </span>  <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='../081print.mu.html#L4'>screen</a>, space
 <span id="L127" class="LineNr"> 127 </span>  go-render? <span class="Special">&lt;-</span> copy <span class="Constant">0/false</span>
 <span id="L128" class="LineNr"> 128 </span>]
 <span id="L129" class="LineNr"> 129 </span>
-<span id="L130" class="LineNr"> 130 </span><span class="muRecipe">def</span> move-cursor-coordinates-left editor:&amp;:editor<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
+<span id="L130" class="LineNr"> 130 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L130'>move-cursor-coordinates-left</a> editor:&amp;:editor<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
 <span id="L131" class="LineNr"> 131 </span>  <span class="Constant">local-scope</span>
 <span id="L132" class="LineNr"> 132 </span>  <span class="Constant">load-ingredients</span>
 <span id="L133" class="LineNr"> 133 </span>  go-render?:bool <span class="Special">&lt;-</span> copy <span class="Constant">0/false</span>
@@ -222,7 +222,7 @@ if ('onhashchange' in window) {
 <span id="L164" class="LineNr"> 164 </span>    <span class="Comment"># compute length of previous line</span>
 <span id="L165" class="LineNr"> 165 </span>    trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[switching to previous line]</span>
 <span id="L166" class="LineNr"> 166 </span>    d:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">data:offset</span>
-<span id="L167" class="LineNr"> 167 </span>    end-of-line:num <span class="Special">&lt;-</span> previous-line-length before-cursor, d
+<span id="L167" class="LineNr"> 167 </span>    end-of-line:num <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L193'>previous-line-length</a> before-cursor, d
 <span id="L168" class="LineNr"> 168 </span>    right:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">right:offset</span>
 <span id="L169" class="LineNr"> 169 </span>    width:num <span class="Special">&lt;-</span> subtract right, left
 <span id="L170" class="LineNr"> 170 </span>    wrap?:bool <span class="Special">&lt;-</span> greater-than end-of-line, width
@@ -248,7 +248,7 @@ if ('onhashchange' in window) {
 <span id="L190" class="LineNr"> 190 </span>
 <span id="L191" class="LineNr"> 191 </span><span class="Comment"># takes a pointer 'curr' into the doubly-linked list and its sentinel, counts</span>
 <span id="L192" class="LineNr"> 192 </span><span class="Comment"># the length of the previous line before the 'curr' pointer.</span>
-<span id="L193" class="LineNr"> 193 </span><span class="muRecipe">def</span> previous-line-length curr:&amp;:duplex-list:char, start:&amp;:duplex-list:char<span class="muRecipe"> -&gt; </span>result:num [
+<span id="L193" class="LineNr"> 193 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L193'>previous-line-length</a> curr:&amp;:duplex-list:char, start:&amp;:duplex-list:char<span class="muRecipe"> -&gt; </span>result:num [
 <span id="L194" class="LineNr"> 194 </span>  <span class="Constant">local-scope</span>
 <span id="L195" class="LineNr"> 195 </span>  <span class="Constant">load-ingredients</span>
 <span id="L196" class="LineNr"> 196 </span>  result:num <span class="Special">&lt;-</span> copy<span class="Constant"> 0</span>
@@ -256,7 +256,7 @@ if ('onhashchange' in window) {
 <span id="L198" class="LineNr"> 198 </span>  at-start?:bool <span class="Special">&lt;-</span> equal curr, start
 <span id="L199" class="LineNr"> 199 </span>  <span class="muControl">return-if</span> at-start?
 <span id="L200" class="LineNr"> 200 </span>  <span class="Delimiter">{</span>
-<span id="L201" class="LineNr"> 201 </span>    curr <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> curr
+<span id="L201" class="LineNr"> 201 </span>    curr <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> curr
 <span id="L202" class="LineNr"> 202 </span>    <span class="muControl">break-unless</span> curr
 <span id="L203" class="LineNr"> 203 </span>    at-start?:bool <span class="Special">&lt;-</span> equal curr, start
 <span id="L204" class="LineNr"> 204 </span>    <span class="muControl">break-if</span> at-start?
@@ -274,13 +274,13 @@ if ('onhashchange' in window) {
 <span id="L216" class="LineNr"> 216 </span>  <span class="Comment"># just one character in final line</span>
 <span id="L217" class="LineNr"> 217 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[ab</span>
 <span id="L218" class="LineNr"> 218 </span><span class="Constant">cd]</span>
-<span id="L219" class="LineNr"> 219 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L219" class="LineNr"> 219 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L220" class="LineNr"> 220 </span>  assume-console [
 <span id="L221" class="LineNr"> 221 </span>    left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span>  <span class="Comment"># cursor at only character in final line</span>
 <span id="L222" class="LineNr"> 222 </span>    press backspace
 <span id="L223" class="LineNr"> 223 </span>  ]
 <span id="L224" class="LineNr"> 224 </span>  run [
-<span id="L225" class="LineNr"> 225 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L225" class="LineNr"> 225 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L226" class="LineNr"> 226 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L227" class="LineNr"> 227 </span>    5:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L228" class="LineNr"> 228 </span>  ]
@@ -302,8 +302,8 @@ if ('onhashchange' in window) {
 <span id="L244" class="LineNr"> 244 </span>  <span class="Comment"># initialize editor with two long-ish but non-wrapping lines</span>
 <span id="L245" class="LineNr"> 245 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc def</span>
 <span id="L246" class="LineNr"> 246 </span><span class="Constant">ghi jkl]</span>
-<span id="L247" class="LineNr"> 247 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L248" class="LineNr"> 248 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L247" class="LineNr"> 247 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L248" class="LineNr"> 248 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L249" class="LineNr"> 249 </span>  $clear-trace
 <span id="L250" class="LineNr"> 250 </span>  <span class="Comment"># position the cursor at the start of the second and hit backspace</span>
 <span id="L251" class="LineNr"> 251 </span>  assume-console [
@@ -311,7 +311,7 @@ if ('onhashchange' in window) {
 <span id="L253" class="LineNr"> 253 </span>    press backspace
 <span id="L254" class="LineNr"> 254 </span>  ]
 <span id="L255" class="LineNr"> 255 </span>  run [
-<span id="L256" class="LineNr"> 256 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L256" class="LineNr"> 256 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L257" class="LineNr"> 257 </span>  ]
 <span id="L258" class="LineNr"> 258 </span>  <span class="Comment"># resulting single line should wrap correctly</span>
 <span id="L259" class="LineNr"> 259 </span>  screen-should-contain [
@@ -327,8 +327,8 @@ if ('onhashchange' in window) {
 <span id="L269" class="LineNr"> 269 </span>  <span class="Constant">local-scope</span>
 <span id="L270" class="LineNr"> 270 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L271" class="LineNr"> 271 </span>  <span class="Comment"># initialize editor in part of the screen with a long line</span>
-<span id="L272" class="LineNr"> 272 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abc def ghij]</span>, <span class="Constant">0/left</span>, <span class="Constant">8/right</span>
-<span id="L273" class="LineNr"> 273 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L272" class="LineNr"> 272 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc def ghij]</span>, <span class="Constant">0/left</span>, <span class="Constant">8/right</span>
+<span id="L273" class="LineNr"> 273 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L274" class="LineNr"> 274 </span>  <span class="Comment"># confirm that it wraps</span>
 <span id="L275" class="LineNr"> 275 </span>  screen-should-contain [
 <span id="L276" class="LineNr"> 276 </span>   <span class="Constant"> .          .</span>
@@ -343,7 +343,7 @@ if ('onhashchange' in window) {
 <span id="L285" class="LineNr"> 285 </span>    press backspace
 <span id="L286" class="LineNr"> 286 </span>  ]
 <span id="L287" class="LineNr"> 287 </span>  run [
-<span id="L288" class="LineNr"> 288 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L288" class="LineNr"> 288 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L289" class="LineNr"> 289 </span>  ]
 <span id="L290" class="LineNr"> 290 </span>  <span class="Comment"># resulting single line should wrap correctly and not overflow its bounds</span>
 <span id="L291" class="LineNr"> 291 </span>  screen-should-contain [
@@ -360,14 +360,14 @@ if ('onhashchange' in window) {
 <span id="L302" class="LineNr"> 302 </span><span class="muScenario">scenario</span> editor-handles-delete-key [
 <span id="L303" class="LineNr"> 303 </span>  <span class="Constant">local-scope</span>
 <span id="L304" class="LineNr"> 304 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
-<span id="L305" class="LineNr"> 305 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L306" class="LineNr"> 306 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L305" class="LineNr"> 305 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L306" class="LineNr"> 306 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L307" class="LineNr"> 307 </span>  $clear-trace
 <span id="L308" class="LineNr"> 308 </span>  assume-console [
 <span id="L309" class="LineNr"> 309 </span>    press delete
 <span id="L310" class="LineNr"> 310 </span>  ]
 <span id="L311" class="LineNr"> 311 </span>  run [
-<span id="L312" class="LineNr"> 312 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L312" class="LineNr"> 312 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L313" class="LineNr"> 313 </span>  ]
 <span id="L314" class="LineNr"> 314 </span>  screen-should-contain [
 <span id="L315" class="LineNr"> 315 </span>   <span class="Constant"> .          .</span>
@@ -381,7 +381,7 @@ if ('onhashchange' in window) {
 <span id="L323" class="LineNr"> 323 </span>    press delete
 <span id="L324" class="LineNr"> 324 </span>  ]
 <span id="L325" class="LineNr"> 325 </span>  run [
-<span id="L326" class="LineNr"> 326 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L326" class="LineNr"> 326 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L327" class="LineNr"> 327 </span>  ]
 <span id="L328" class="LineNr"> 328 </span>  screen-should-contain [
 <span id="L329" class="LineNr"> 329 </span>   <span class="Constant"> .          .</span>
@@ -397,47 +397,47 @@ if ('onhashchange' in window) {
 <span id="L339" class="LineNr"> 339 </span>    delete-next-character?:bool <span class="Special">&lt;-</span> equal k, <span class="Constant">65522/delete</span>
 <span id="L340" class="LineNr"> 340 </span>    <span class="muControl">break-unless</span> delete-next-character?
 <span id="L341" class="LineNr"> 341 </span><span class="Constant">    &lt;delete-character-begin&gt;</span>
-<span id="L342" class="LineNr"> 342 </span>    go-render?:bool, deleted-cell:&amp;:duplex-list:char <span class="Special">&lt;-</span> delete-at-cursor editor, <a href='081print.mu.html#L4'>screen</a>
+<span id="L342" class="LineNr"> 342 </span>    go-render?:bool, deleted-cell:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L348'>delete-at-cursor</a> editor, <a href='../081print.mu.html#L4'>screen</a>
 <span id="L343" class="LineNr"> 343 </span><span class="Constant">    &lt;delete-character-end&gt;</span>
 <span id="L344" class="LineNr"> 344 </span>    <span class="muControl">return</span>
 <span id="L345" class="LineNr"> 345 </span>  <span class="Delimiter">}</span>
 <span id="L346" class="LineNr"> 346 </span>]
 <span id="L347" class="LineNr"> 347 </span>
-<span id="L348" class="LineNr"> 348 </span><span class="muRecipe">def</span> delete-at-cursor editor:&amp;:editor, <a href='081print.mu.html#L4'>screen</a>:&amp;:<a href='081print.mu.html#L4'>screen</a><span class="muRecipe"> -&gt; </span>go-render?:bool, deleted-cell:&amp;:duplex-list:char, editor:&amp;:editor, <a href='081print.mu.html#L4'>screen</a>:&amp;:<a href='081print.mu.html#L4'>screen</a> [
+<span id="L348" class="LineNr"> 348 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L348'>delete-at-cursor</a> editor:&amp;:editor, <a href='../081print.mu.html#L4'>screen</a>:&amp;:<a href='../081print.mu.html#L4'>screen</a><span class="muRecipe"> -&gt; </span>go-render?:bool, deleted-cell:&amp;:duplex-list:char, editor:&amp;:editor, <a href='../081print.mu.html#L4'>screen</a>:&amp;:<a href='../081print.mu.html#L4'>screen</a> [
 <span id="L349" class="LineNr"> 349 </span>  <span class="Constant">local-scope</span>
 <span id="L350" class="LineNr"> 350 </span>  <span class="Constant">load-ingredients</span>
 <span id="L351" class="LineNr"> 351 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
 <span id="L352" class="LineNr"> 352 </span>  data:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">data:offset</span>
-<span id="L353" class="LineNr"> 353 </span>  deleted-cell:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L353" class="LineNr"> 353 </span>  deleted-cell:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
 <span id="L354" class="LineNr"> 354 </span>  <span class="muControl">return-unless</span> deleted-cell, <span class="Constant">0/don't-render</span>
 <span id="L355" class="LineNr"> 355 </span>  currc:char <span class="Special">&lt;-</span> get *deleted-cell, <span class="Constant">value:offset</span>
 <span id="L356" class="LineNr"> 356 </span>  data <span class="Special">&lt;-</span> remove deleted-cell, data
 <span id="L357" class="LineNr"> 357 </span>  deleted-newline?:bool <span class="Special">&lt;-</span> equal currc, <span class="Constant">10/newline</span>
 <span id="L358" class="LineNr"> 358 </span>  <span class="muControl">return-if</span> deleted-newline?, <span class="Constant">1/go-render</span>
 <span id="L359" class="LineNr"> 359 </span>  <span class="Comment"># wasn't a newline? render rest of line</span>
-<span id="L360" class="LineNr"> 360 </span>  curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor  <span class="Comment"># refresh after remove above</span>
+<span id="L360" class="LineNr"> 360 </span>  curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor  <span class="Comment"># refresh after remove above</span>
 <span id="L361" class="LineNr"> 361 </span>  cursor-row:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">cursor-row:offset</span>
 <span id="L362" class="LineNr"> 362 </span>  cursor-column:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">cursor-column:offset</span>
-<span id="L363" class="LineNr"> 363 </span>  <a href='081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='081print.mu.html#L442'>move-cursor</a> <a href='081print.mu.html#L4'>screen</a>, cursor-row, cursor-column
+<span id="L363" class="LineNr"> 363 </span>  <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='../081print.mu.html#L442'>move-cursor</a> <a href='../081print.mu.html#L4'>screen</a>, cursor-row, cursor-column
 <span id="L364" class="LineNr"> 364 </span>  curr-column:num <span class="Special">&lt;-</span> copy cursor-column
-<span id="L365" class="LineNr"> 365 </span>  <a href='081print.mu.html#L581'>screen-width</a>:num <span class="Special">&lt;-</span> <a href='081print.mu.html#L581'>screen-width</a> <a href='081print.mu.html#L4'>screen</a>
+<span id="L365" class="LineNr"> 365 </span>  <a href='../081print.mu.html#L581'>screen-width</a>:num <span class="Special">&lt;-</span> <a href='../081print.mu.html#L581'>screen-width</a> <a href='../081print.mu.html#L4'>screen</a>
 <span id="L366" class="LineNr"> 366 </span>  <span class="Delimiter">{</span>
 <span id="L367" class="LineNr"> 367 </span>    <span class="Comment"># hit right margin? give up and let caller render</span>
-<span id="L368" class="LineNr"> 368 </span>    at-right?:bool <span class="Special">&lt;-</span> greater-or-equal curr-column, <a href='081print.mu.html#L581'>screen-width</a>
+<span id="L368" class="LineNr"> 368 </span>    at-right?:bool <span class="Special">&lt;-</span> greater-or-equal curr-column, <a href='../081print.mu.html#L581'>screen-width</a>
 <span id="L369" class="LineNr"> 369 </span>    <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span>
 <span id="L370" class="LineNr"> 370 </span>    <span class="muControl">break-unless</span> curr
 <span id="L371" class="LineNr"> 371 </span>    <span class="Comment"># newline? done.</span>
 <span id="L372" class="LineNr"> 372 </span>    currc:char <span class="Special">&lt;-</span> get *curr, <span class="Constant">value:offset</span>
 <span id="L373" class="LineNr"> 373 </span>    at-newline?:bool <span class="Special">&lt;-</span> equal currc, <span class="Constant">10/newline</span>
 <span id="L374" class="LineNr"> 374 </span>    <span class="muControl">break-if</span> at-newline?
-<span id="L375" class="LineNr"> 375 </span>    <a href='081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='081print.mu.html#L4'>screen</a>, currc
+<span id="L375" class="LineNr"> 375 </span>    <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='../081print.mu.html#L4'>screen</a>, currc
 <span id="L376" class="LineNr"> 376 </span>    curr-column <span class="Special">&lt;-</span> add curr-column,<span class="Constant"> 1</span>
-<span id="L377" class="LineNr"> 377 </span>    curr <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> curr
+<span id="L377" class="LineNr"> 377 </span>    curr <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> curr
 <span id="L378" class="LineNr"> 378 </span>    <span class="muControl">loop</span>
 <span id="L379" class="LineNr"> 379 </span>  <span class="Delimiter">}</span>
 <span id="L380" class="LineNr"> 380 </span>  <span class="Comment"># we're guaranteed not to be at the right margin</span>
 <span id="L381" class="LineNr"> 381 </span>  space:char <span class="Special">&lt;-</span> copy <span class="Constant">32/space</span>
-<span id="L382" class="LineNr"> 382 </span>  <a href='081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='081print.mu.html#L4'>screen</a>, space
+<span id="L382" class="LineNr"> 382 </span>  <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> print <a href='../081print.mu.html#L4'>screen</a>, space
 <span id="L383" class="LineNr"> 383 </span>  go-render? <span class="Special">&lt;-</span> copy <span class="Constant">0/false</span>
 <span id="L384" class="LineNr"> 384 </span>]
 <span id="L385" class="LineNr"> 385 </span>
@@ -446,15 +446,15 @@ if ('onhashchange' in window) {
 <span id="L388" class="LineNr"> 388 </span><span class="muScenario">scenario</span> editor-moves-cursor-right-with-key [
 <span id="L389" class="LineNr"> 389 </span>  <span class="Constant">local-scope</span>
 <span id="L390" class="LineNr"> 390 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
-<span id="L391" class="LineNr"> 391 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L392" class="LineNr"> 392 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L391" class="LineNr"> 391 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L392" class="LineNr"> 392 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L393" class="LineNr"> 393 </span>  $clear-trace
 <span id="L394" class="LineNr"> 394 </span>  assume-console [
 <span id="L395" class="LineNr"> 395 </span>    press right-arrow
 <span id="L396" class="LineNr"> 396 </span>    type <span class="Constant">[0]</span>
 <span id="L397" class="LineNr"> 397 </span>  ]
 <span id="L398" class="LineNr"> 398 </span>  run [
-<span id="L399" class="LineNr"> 399 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L399" class="LineNr"> 399 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L400" class="LineNr"> 400 </span>  ]
 <span id="L401" class="LineNr"> 401 </span>  screen-should-contain [
 <span id="L402" class="LineNr"> 402 </span>   <span class="Constant"> .          .</span>
@@ -470,21 +470,21 @@ if ('onhashchange' in window) {
 <span id="L412" class="LineNr"> 412 </span>    move-to-next-character?:bool <span class="Special">&lt;-</span> equal k, <span class="Constant">65514/right-arrow</span>
 <span id="L413" class="LineNr"> 413 </span>    <span class="muControl">break-unless</span> move-to-next-character?
 <span id="L414" class="LineNr"> 414 </span>    <span class="Comment"># if not at end of text</span>
-<span id="L415" class="LineNr"> 415 </span>    next-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L415" class="LineNr"> 415 </span>    next-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
 <span id="L416" class="LineNr"> 416 </span>    <span class="muControl">break-unless</span> next-cursor
 <span id="L417" class="LineNr"> 417 </span>    <span class="Comment"># scan to next character</span>
 <span id="L418" class="LineNr"> 418 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
 <span id="L419" class="LineNr"> 419 </span>    before-cursor <span class="Special">&lt;-</span> copy next-cursor
 <span id="L420" class="LineNr"> 420 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
-<span id="L421" class="LineNr"> 421 </span>    go-render?:bool <span class="Special">&lt;-</span> move-cursor-coordinates-right editor, <a href='081print.mu.html#L594'>screen-height</a>
-<span id="L422" class="LineNr"> 422 </span>    <a href='081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='081print.mu.html#L442'>move-cursor</a> <a href='081print.mu.html#L4'>screen</a>, cursor-row, cursor-column
+<span id="L421" class="LineNr"> 421 </span>    go-render?:bool <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L429'>move-cursor-coordinates-right</a> editor, <a href='../081print.mu.html#L594'>screen-height</a>
+<span id="L422" class="LineNr"> 422 </span>    <a href='../081print.mu.html#L4'>screen</a> <span class="Special">&lt;-</span> <a href='../081print.mu.html#L442'>move-cursor</a> <a href='../081print.mu.html#L4'>screen</a>, cursor-row, cursor-column
 <span id="L423" class="LineNr"> 423 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">2/right-arrow</span>
 <span id="L424" class="LineNr"> 424 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L425" class="LineNr"> 425 </span>    <span class="muControl">return</span>
 <span id="L426" class="LineNr"> 426 </span>  <span class="Delimiter">}</span>
 <span id="L427" class="LineNr"> 427 </span>]
 <span id="L428" class="LineNr"> 428 </span>
-<span id="L429" class="LineNr"> 429 </span><span class="muRecipe">def</span> move-cursor-coordinates-right editor:&amp;:editor, <a href='081print.mu.html#L594'>screen-height</a>:num<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
+<span id="L429" class="LineNr"> 429 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L429'>move-cursor-coordinates-right</a> editor:&amp;:editor, <a href='../081print.mu.html#L594'>screen-height</a>:num<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
 <span id="L430" class="LineNr"> 430 </span>  <span class="Constant">local-scope</span>
 <span id="L431" class="LineNr"> 431 </span>  <span class="Constant">load-ingredients</span>
 <span id="L432" class="LineNr"> 432 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor <span class="Constant">before-cursor:offset</span>
@@ -501,7 +501,7 @@ if ('onhashchange' in window) {
 <span id="L443" class="LineNr"> 443 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row
 <span id="L444" class="LineNr"> 444 </span>    cursor-column <span class="Special">&lt;-</span> copy left
 <span id="L445" class="LineNr"> 445 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column
-<span id="L446" class="LineNr"> 446 </span>    below-screen?:bool <span class="Special">&lt;-</span> greater-or-equal cursor-row, <a href='081print.mu.html#L594'>screen-height</a>  <span class="Comment"># must be equal</span>
+<span id="L446" class="LineNr"> 446 </span>    below-screen?:bool <span class="Special">&lt;-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L594'>screen-height</a>  <span class="Comment"># must be equal</span>
 <span id="L447" class="LineNr"> 447 </span>    <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/don't-render</span>
 <span id="L448" class="LineNr"> 448 </span><span class="Constant">    &lt;scroll-down&gt;</span>
 <span id="L449" class="LineNr"> 449 </span>    cursor-row <span class="Special">&lt;-</span> subtract cursor-row,<span class="Constant"> 1</span>  <span class="Comment"># bring back into screen range</span>
@@ -515,8 +515,8 @@ if ('onhashchange' in window) {
 <span id="L457" class="LineNr"> 457 </span>    at-wrap?:bool <span class="Special">&lt;-</span> equal cursor-column, wrap-column
 <span id="L458" class="LineNr"> 458 </span>    <span class="muControl">break-unless</span> at-wrap?
 <span id="L459" class="LineNr"> 459 </span>    <span class="Comment"># and if next character isn't newline</span>
-<span id="L460" class="LineNr"> 460 </span>    <a href='065duplex_list.mu.html#L29'>next</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
-<span id="L461" class="LineNr"> 461 </span>    <span class="muControl">break-unless</span> <a href='065duplex_list.mu.html#L29'>next</a>
+<span id="L460" class="LineNr"> 460 </span>    <a href='../065duplex_list.mu.html#L29'>next</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L461" class="LineNr"> 461 </span>    <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L29'>next</a>
 <span id="L462" class="LineNr"> 462 </span>    next-character:char <span class="Special">&lt;-</span> get *next, <span class="Constant">value:offset</span>
 <span id="L463" class="LineNr"> 463 </span>    newline?:bool <span class="Special">&lt;-</span> equal next-character, <span class="Constant">10/newline</span>
 <span id="L464" class="LineNr"> 464 </span>    <span class="muControl">break-if</span> newline?
@@ -524,7 +524,7 @@ if ('onhashchange' in window) {
 <span id="L466" class="LineNr"> 466 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row
 <span id="L467" class="LineNr"> 467 </span>    cursor-column <span class="Special">&lt;-</span> copy left
 <span id="L468" class="LineNr"> 468 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column
-<span id="L469" class="LineNr"> 469 </span>    below-screen?:bool <span class="Special">&lt;-</span> greater-or-equal cursor-row, <a href='081print.mu.html#L594'>screen-height</a>  <span class="Comment"># must be equal</span>
+<span id="L469" class="LineNr"> 469 </span>    below-screen?:bool <span class="Special">&lt;-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L594'>screen-height</a>  <span class="Comment"># must be equal</span>
 <span id="L470" class="LineNr"> 470 </span>    <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/no-more-render</span>
 <span id="L471" class="LineNr"> 471 </span><span class="Constant">    &lt;scroll-down&gt;</span>
 <span id="L472" class="LineNr"> 472 </span>    cursor-row <span class="Special">&lt;-</span> subtract cursor-row,<span class="Constant"> 1</span>  <span class="Comment"># bring back into screen range</span>
@@ -542,8 +542,8 @@ if ('onhashchange' in window) {
 <span id="L484" class="LineNr"> 484 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L485" class="LineNr"> 485 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L486" class="LineNr"> 486 </span><span class="Constant">d]</span>
-<span id="L487" class="LineNr"> 487 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L488" class="LineNr"> 488 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L487" class="LineNr"> 487 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L488" class="LineNr"> 488 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L489" class="LineNr"> 489 </span>  $clear-trace
 <span id="L490" class="LineNr"> 490 </span>  <span class="Comment"># type right-arrow a few times to get to start of second line</span>
 <span id="L491" class="LineNr"> 491 </span>  assume-console [
@@ -553,7 +553,7 @@ if ('onhashchange' in window) {
 <span id="L495" class="LineNr"> 495 </span>    press right-arrow  <span class="Comment"># next line</span>
 <span id="L496" class="LineNr"> 496 </span>  ]
 <span id="L497" class="LineNr"> 497 </span>  run [
-<span id="L498" class="LineNr"> 498 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L498" class="LineNr"> 498 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L499" class="LineNr"> 499 </span>  ]
 <span id="L500" class="LineNr"> 500 </span>  check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span>
 <span id="L501" class="LineNr"> 501 </span>  <span class="Comment"># type something and ensure it goes where it should</span>
@@ -561,7 +561,7 @@ if ('onhashchange' in window) {
 <span id="L503" class="LineNr"> 503 </span>    type <span class="Constant">[0]</span>
 <span id="L504" class="LineNr"> 504 </span>  ]
 <span id="L505" class="LineNr"> 505 </span>  run [
-<span id="L506" class="LineNr"> 506 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L506" class="LineNr"> 506 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L507" class="LineNr"> 507 </span>  ]
 <span id="L508" class="LineNr"> 508 </span>  screen-should-contain [
 <span id="L509" class="LineNr"> 509 </span>   <span class="Constant"> .          .</span>
@@ -578,8 +578,8 @@ if ('onhashchange' in window) {
 <span id="L520" class="LineNr"> 520 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L521" class="LineNr"> 521 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L522" class="LineNr"> 522 </span><span class="Constant">d]</span>
-<span id="L523" class="LineNr"> 523 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span>
-<span id="L524" class="LineNr"> 524 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L523" class="LineNr"> 523 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span>
+<span id="L524" class="LineNr"> 524 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L525" class="LineNr"> 525 </span>  assume-console [
 <span id="L526" class="LineNr"> 526 </span>    press right-arrow
 <span id="L527" class="LineNr"> 527 </span>    press right-arrow
@@ -588,7 +588,7 @@ if ('onhashchange' in window) {
 <span id="L530" class="LineNr"> 530 </span>    type <span class="Constant">[0]</span>
 <span id="L531" class="LineNr"> 531 </span>  ]
 <span id="L532" class="LineNr"> 532 </span>  run [
-<span id="L533" class="LineNr"> 533 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L533" class="LineNr"> 533 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L534" class="LineNr"> 534 </span>  ]
 <span id="L535" class="LineNr"> 535 </span>  screen-should-contain [
 <span id="L536" class="LineNr"> 536 </span>   <span class="Constant"> .          .</span>
@@ -602,15 +602,15 @@ if ('onhashchange' in window) {
 <span id="L544" class="LineNr"> 544 </span><span class="muScenario">scenario</span> editor-moves-cursor-to-next-wrapped-line-with-right-arrow [
 <span id="L545" class="LineNr"> 545 </span>  <span class="Constant">local-scope</span>
 <span id="L546" class="LineNr"> 546 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
-<span id="L547" class="LineNr"> 547 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L548" class="LineNr"> 548 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L547" class="LineNr"> 547 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L548" class="LineNr"> 548 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L549" class="LineNr"> 549 </span>  $clear-trace
 <span id="L550" class="LineNr"> 550 </span>  assume-console [
 <span id="L551" class="LineNr"> 551 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span>
 <span id="L552" class="LineNr"> 552 </span>    press right-arrow
 <span id="L553" class="LineNr"> 553 </span>  ]
 <span id="L554" class="LineNr"> 554 </span>  run [
-<span id="L555" class="LineNr"> 555 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L555" class="LineNr"> 555 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L556" class="LineNr"> 556 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L557" class="LineNr"> 557 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L558" class="LineNr"> 558 </span>  ]
@@ -632,8 +632,8 @@ if ('onhashchange' in window) {
 <span id="L574" class="LineNr"> 574 </span>  <span class="Constant">local-scope</span>
 <span id="L575" class="LineNr"> 575 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L576" class="LineNr"> 576 </span>  <span class="Comment"># line just barely wrapping</span>
-<span id="L577" class="LineNr"> 577 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L578" class="LineNr"> 578 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L577" class="LineNr"> 577 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L578" class="LineNr"> 578 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L579" class="LineNr"> 579 </span>  $clear-trace
 <span id="L580" class="LineNr"> 580 </span>  <span class="Comment"># position cursor at last character before wrap and hit right-arrow</span>
 <span id="L581" class="LineNr"> 581 </span>  assume-console [
@@ -641,7 +641,7 @@ if ('onhashchange' in window) {
 <span id="L583" class="LineNr"> 583 </span>    press right-arrow
 <span id="L584" class="LineNr"> 584 </span>  ]
 <span id="L585" class="LineNr"> 585 </span>  run [
-<span id="L586" class="LineNr"> 586 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L586" class="LineNr"> 586 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L587" class="LineNr"> 587 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L588" class="LineNr"> 588 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L589" class="LineNr"> 589 </span>  ]
@@ -654,7 +654,7 @@ if ('onhashchange' in window) {
 <span id="L596" class="LineNr"> 596 </span>    press right-arrow
 <span id="L597" class="LineNr"> 597 </span>  ]
 <span id="L598" class="LineNr"> 598 </span>  run [
-<span id="L599" class="LineNr"> 599 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L599" class="LineNr"> 599 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L600" class="LineNr"> 600 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L601" class="LineNr"> 601 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L602" class="LineNr"> 602 </span>  ]
@@ -668,15 +668,15 @@ if ('onhashchange' in window) {
 <span id="L610" class="LineNr"> 610 </span><span class="muScenario">scenario</span> editor-moves-cursor-to-next-wrapped-line-with-right-arrow-3 [
 <span id="L611" class="LineNr"> 611 </span>  <span class="Constant">local-scope</span>
 <span id="L612" class="LineNr"> 612 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
-<span id="L613" class="LineNr"> 613 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">1/left</span>, <span class="Constant">6/right</span>
-<span id="L614" class="LineNr"> 614 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L613" class="LineNr"> 613 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdef]</span>, <span class="Constant">1/left</span>, <span class="Constant">6/right</span>
+<span id="L614" class="LineNr"> 614 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L615" class="LineNr"> 615 </span>  $clear-trace
 <span id="L616" class="LineNr"> 616 </span>  assume-console [
 <span id="L617" class="LineNr"> 617 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span>
 <span id="L618" class="LineNr"> 618 </span>    press right-arrow
 <span id="L619" class="LineNr"> 619 </span>  ]
 <span id="L620" class="LineNr"> 620 </span>  run [
-<span id="L621" class="LineNr"> 621 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L621" class="LineNr"> 621 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L622" class="LineNr"> 622 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L623" class="LineNr"> 623 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L624" class="LineNr"> 624 </span>  ]
@@ -699,8 +699,8 @@ if ('onhashchange' in window) {
 <span id="L641" class="LineNr"> 641 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L642" class="LineNr"> 642 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L643" class="LineNr"> 643 </span><span class="Constant">d]</span>
-<span id="L644" class="LineNr"> 644 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L645" class="LineNr"> 645 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L644" class="LineNr"> 644 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L645" class="LineNr"> 645 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L646" class="LineNr"> 646 </span>  $clear-trace
 <span id="L647" class="LineNr"> 647 </span>  <span class="Comment"># move to end of line, press right-arrow, type a character</span>
 <span id="L648" class="LineNr"> 648 </span>  assume-console [
@@ -709,7 +709,7 @@ if ('onhashchange' in window) {
 <span id="L651" class="LineNr"> 651 </span>    type <span class="Constant">[0]</span>
 <span id="L652" class="LineNr"> 652 </span>  ]
 <span id="L653" class="LineNr"> 653 </span>  run [
-<span id="L654" class="LineNr"> 654 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L654" class="LineNr"> 654 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L655" class="LineNr"> 655 </span>  ]
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 <span id="L657" class="LineNr"> 657 </span>  screen-should-contain [
@@ -729,8 +729,8 @@ if ('onhashchange' in window) {
 <span id="L671" class="LineNr"> 671 </span><span class="muScenario">scenario</span> editor-moves-cursor-left-with-key [
 <span id="L672" class="LineNr"> 672 </span>  <span class="Constant">local-scope</span>
 <span id="L673" class="LineNr"> 673 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
-<span id="L674" class="LineNr"> 674 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L675" class="LineNr"> 675 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L674" class="LineNr"> 674 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L675" class="LineNr"> 675 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L676" class="LineNr"> 676 </span>  $clear-trace
 <span id="L677" class="LineNr"> 677 </span>  assume-console [
 <span id="L678" class="LineNr"> 678 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span>
@@ -738,7 +738,7 @@ if ('onhashchange' in window) {
 <span id="L680" class="LineNr"> 680 </span>    type <span class="Constant">[0]</span>
 <span id="L681" class="LineNr"> 681 </span>  ]
 <span id="L682" class="LineNr"> 682 </span>  run [
-<span id="L683" class="LineNr"> 683 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L683" class="LineNr"> 683 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L684" class="LineNr"> 684 </span>  ]
 <span id="L685" class="LineNr"> 685 </span>  screen-should-contain [
 <span id="L686" class="LineNr"> 686 </span>   <span class="Constant"> .          .</span>
@@ -755,11 +755,11 @@ if ('onhashchange' in window) {
 <span id="L697" class="LineNr"> 697 </span>    <span class="muControl">break-unless</span> move-to-previous-character?
 <span id="L698" class="LineNr"> 698 </span>    trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[left arrow]</span>
 <span id="L699" class="LineNr"> 699 </span>    <span class="Comment"># if not at start of text (before-cursor at § sentinel)</span>
-<span id="L700" class="LineNr"> 700 </span>    <a href='065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> before-cursor
-<span id="L701" class="LineNr"> 701 </span>    <span class="muControl">return-unless</span> <a href='065duplex_list.mu.html#L36'>prev</a>, <span class="Constant">0/don't-render</span>
+<span id="L700" class="LineNr"> 700 </span>    <a href='../065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> before-cursor
+<span id="L701" class="LineNr"> 701 </span>    <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L36'>prev</a>, <span class="Constant">0/don't-render</span>
 <span id="L702" class="LineNr"> 702 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L703" class="LineNr"> 703 </span>    go-render? <span class="Special">&lt;-</span> move-cursor-coordinates-left editor
-<span id="L704" class="LineNr"> 704 </span>    before-cursor <span class="Special">&lt;-</span> copy <a href='065duplex_list.mu.html#L36'>prev</a>
+<span id="L703" class="LineNr"> 703 </span>    go-render? <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L130'>move-cursor-coordinates-left</a> editor
+<span id="L704" class="LineNr"> 704 </span>    before-cursor <span class="Special">&lt;-</span> copy <a href='../065duplex_list.mu.html#L36'>prev</a>
 <span id="L705" class="LineNr"> 705 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
 <span id="L706" class="LineNr"> 706 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">1/left-arrow</span>
 <span id="L707" class="LineNr"> 707 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
@@ -773,8 +773,8 @@ if ('onhashchange' in window) {
 <span id="L715" class="LineNr"> 715 </span>  <span class="Comment"># initialize editor with two lines</span>
 <span id="L716" class="LineNr"> 716 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L717" class="LineNr"> 717 </span><span class="Constant">d]</span>
-<span id="L718" class="LineNr"> 718 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L719" class="LineNr"> 719 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L718" class="LineNr"> 718 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L719" class="LineNr"> 719 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L720" class="LineNr"> 720 </span>  $clear-trace
 <span id="L721" class="LineNr"> 721 </span>  <span class="Comment"># position cursor at start of second line (so there's no previous newline)</span>
 <span id="L722" class="LineNr"> 722 </span>  assume-console [
@@ -782,7 +782,7 @@ if ('onhashchange' in window) {
 <span id="L724" class="LineNr"> 724 </span>    press left-arrow
 <span id="L725" class="LineNr"> 725 </span>  ]
 <span id="L726" class="LineNr"> 726 </span>  run [
-<span id="L727" class="LineNr"> 727 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L727" class="LineNr"> 727 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L728" class="LineNr"> 728 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L729" class="LineNr"> 729 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L730" class="LineNr"> 730 </span>  ]
@@ -800,8 +800,8 @@ if ('onhashchange' in window) {
 <span id="L742" class="LineNr"> 742 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L743" class="LineNr"> 743 </span><span class="Constant">def</span>
 <span id="L744" class="LineNr"> 744 </span><span class="Constant">g]</span>
-<span id="L745" class="LineNr"> 745 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s:text, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L746" class="LineNr"> 746 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L745" class="LineNr"> 745 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s:text, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L746" class="LineNr"> 746 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L747" class="LineNr"> 747 </span>  $clear-trace
 <span id="L748" class="LineNr"> 748 </span>  <span class="Comment"># position cursor further down (so there's a newline before the character at</span>
 <span id="L749" class="LineNr"> 749 </span>  <span class="Comment"># the cursor)</span>
@@ -811,7 +811,7 @@ if ('onhashchange' in window) {
 <span id="L753" class="LineNr"> 753 </span>    type <span class="Constant">[0]</span>
 <span id="L754" class="LineNr"> 754 </span>  ]
 <span id="L755" class="LineNr"> 755 </span>  run [
-<span id="L756" class="LineNr"> 756 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L756" class="LineNr"> 756 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L757" class="LineNr"> 757 </span>  ]
 <span id="L758" class="LineNr"> 758 </span>  screen-should-contain [
 <span id="L759" class="LineNr"> 759 </span>   <span class="Constant"> .          .</span>
@@ -829,8 +829,8 @@ if ('onhashchange' in window) {
 <span id="L771" class="LineNr"> 771 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L772" class="LineNr"> 772 </span><span class="Constant">def</span>
 <span id="L773" class="LineNr"> 773 </span><span class="Constant">g]</span>
-<span id="L774" class="LineNr"> 774 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L775" class="LineNr"> 775 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L774" class="LineNr"> 774 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L775" class="LineNr"> 775 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L776" class="LineNr"> 776 </span>  $clear-trace
 <span id="L777" class="LineNr"> 777 </span>  <span class="Comment"># position cursor at start of text, press left-arrow, then type a character</span>
 <span id="L778" class="LineNr"> 778 </span>  assume-console [
@@ -839,7 +839,7 @@ if ('onhashchange' in window) {
 <span id="L781" class="LineNr"> 781 </span>    type <span class="Constant">[0]</span>
 <span id="L782" class="LineNr"> 782 </span>  ]
 <span id="L783" class="LineNr"> 783 </span>  run [
-<span id="L784" class="LineNr"> 784 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L784" class="LineNr"> 784 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L785" class="LineNr"> 785 </span>  ]
 <span id="L786" class="LineNr"> 786 </span>  <span class="Comment"># left-arrow should have had no effect</span>
 <span id="L787" class="LineNr"> 787 </span>  screen-should-contain [
@@ -859,8 +859,8 @@ if ('onhashchange' in window) {
 <span id="L801" class="LineNr"> 801 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L802" class="LineNr"> 802 </span>
 <span id="L803" class="LineNr"> 803 </span>d]
-<span id="L804" class="LineNr"> 804 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L805" class="LineNr"> 805 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e:&amp;:editor
+<span id="L804" class="LineNr"> 804 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L805" class="LineNr"> 805 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e:&amp;:editor
 <span id="L806" class="LineNr"> 806 </span>  $clear-trace
 <span id="L807" class="LineNr"> 807 </span>  <span class="Comment"># position cursor right after empty line</span>
 <span id="L808" class="LineNr"> 808 </span>  assume-console [
@@ -869,7 +869,7 @@ if ('onhashchange' in window) {
 <span id="L811" class="LineNr"> 811 </span>    type <span class="Constant">[0]</span>
 <span id="L812" class="LineNr"> 812 </span>  ]
 <span id="L813" class="LineNr"> 813 </span>  run [
-<span id="L814" class="LineNr"> 814 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L814" class="LineNr"> 814 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L815" class="LineNr"> 815 </span>  ]
 <span id="L816" class="LineNr"> 816 </span>  screen-should-contain [
 <span id="L817" class="LineNr"> 817 </span>   <span class="Constant"> .          .</span>
@@ -885,8 +885,8 @@ if ('onhashchange' in window) {
 <span id="L827" class="LineNr"> 827 </span>  <span class="Constant">local-scope</span>
 <span id="L828" class="LineNr"> 828 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L829" class="LineNr"> 829 </span>  <span class="Comment"># initialize editor with a wrapping line</span>
-<span id="L830" class="LineNr"> 830 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L831" class="LineNr"> 831 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L830" class="LineNr"> 830 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L831" class="LineNr"> 831 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L832" class="LineNr"> 832 </span>  $clear-trace
 <span id="L833" class="LineNr"> 833 </span>  screen-should-contain [
 <span id="L834" class="LineNr"> 834 </span>   <span class="Constant"> .          .</span>
@@ -901,7 +901,7 @@ if ('onhashchange' in window) {
 <span id="L843" class="LineNr"> 843 </span>    press left-arrow
 <span id="L844" class="LineNr"> 844 </span>  ]
 <span id="L845" class="LineNr"> 845 </span>  run [
-<span id="L846" class="LineNr"> 846 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L846" class="LineNr"> 846 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L847" class="LineNr"> 847 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L848" class="LineNr"> 848 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L849" class="LineNr"> 849 </span>  ]
@@ -918,8 +918,8 @@ if ('onhashchange' in window) {
 <span id="L860" class="LineNr"> 860 </span>  <span class="Comment"># initialize editor with a wrapping line followed by a second line</span>
 <span id="L861" class="LineNr"> 861 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abcdef</span>
 <span id="L862" class="LineNr"> 862 </span><span class="Constant">g]</span>
-<span id="L863" class="LineNr"> 863 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L864" class="LineNr"> 864 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L863" class="LineNr"> 863 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L864" class="LineNr"> 864 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L865" class="LineNr"> 865 </span>  $clear-trace
 <span id="L866" class="LineNr"> 866 </span>  screen-should-contain [
 <span id="L867" class="LineNr"> 867 </span>   <span class="Constant"> .          .</span>
@@ -934,7 +934,7 @@ if ('onhashchange' in window) {
 <span id="L876" class="LineNr"> 876 </span>    press left-arrow
 <span id="L877" class="LineNr"> 877 </span>  ]
 <span id="L878" class="LineNr"> 878 </span>  run [
-<span id="L879" class="LineNr"> 879 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L879" class="LineNr"> 879 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L880" class="LineNr"> 880 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L881" class="LineNr"> 881 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L882" class="LineNr"> 882 </span>  ]
@@ -951,8 +951,8 @@ if ('onhashchange' in window) {
 <span id="L893" class="LineNr"> 893 </span>  <span class="Comment"># initialize editor with a line on the verge of wrapping, followed by a second line</span>
 <span id="L894" class="LineNr"> 894 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abcd</span>
 <span id="L895" class="LineNr"> 895 </span><span class="Constant">e]</span>
-<span id="L896" class="LineNr"> 896 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L897" class="LineNr"> 897 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L896" class="LineNr"> 896 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L897" class="LineNr"> 897 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L898" class="LineNr"> 898 </span>  $clear-trace
 <span id="L899" class="LineNr"> 899 </span>  screen-should-contain [
 <span id="L900" class="LineNr"> 900 </span>   <span class="Constant"> .          .</span>
@@ -967,7 +967,7 @@ if ('onhashchange' in window) {
 <span id="L909" class="LineNr"> 909 </span>    press left-arrow
 <span id="L910" class="LineNr"> 910 </span>  ]
 <span id="L911" class="LineNr"> 911 </span>  run [
-<span id="L912" class="LineNr"> 912 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L912" class="LineNr"> 912 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L913" class="LineNr"> 913 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L914" class="LineNr"> 914 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L915" class="LineNr"> 915 </span>  ]
@@ -987,15 +987,15 @@ if ('onhashchange' in window) {
 <span id="L929" class="LineNr"> 929 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L930" class="LineNr"> 930 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
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-<span id="L933" class="LineNr"> 933 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L932" class="LineNr"> 932 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L933" class="LineNr"> 933 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
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+<span id="L940" class="LineNr"> 940 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
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 <span id="L942" class="LineNr"> 942 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L943" class="LineNr"> 943 </span>  ]
@@ -1008,7 +1008,7 @@ if ('onhashchange' in window) {
 <span id="L950" class="LineNr"> 950 </span>    type <span class="Constant">[0]</span>
 <span id="L951" class="LineNr"> 951 </span>  ]
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-<span id="L953" class="LineNr"> 953 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L953" class="LineNr"> 953 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L954" class="LineNr"> 954 </span>  ]
 <span id="L955" class="LineNr"> 955 </span>  screen-should-contain [
 <span id="L956" class="LineNr"> 956 </span>   <span class="Constant"> .          .</span>
@@ -1024,14 +1024,14 @@ if ('onhashchange' in window) {
 <span id="L966" class="LineNr"> 966 </span>    move-to-previous-line?:bool <span class="Special">&lt;-</span> equal k, <span class="Constant">65517/up-arrow</span>
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 <span id="L968" class="LineNr"> 968 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L969" class="LineNr"> 969 </span>    go-render? <span class="Special">&lt;-</span> move-to-previous-line editor
+<span id="L969" class="LineNr"> 969 </span>    go-render? <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L976'>move-to-previous-line</a> editor
 <span id="L970" class="LineNr"> 970 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">3/up-arrow</span>
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 <span id="L972" class="LineNr"> 972 </span>    <span class="muControl">return</span>
 <span id="L973" class="LineNr"> 973 </span>  <span class="Delimiter">}</span>
 <span id="L974" class="LineNr"> 974 </span>]
 <span id="L975" class="LineNr"> 975 </span>
-<span id="L976" class="LineNr"> 976 </span><span class="muRecipe">def</span> move-to-previous-line editor:&amp;:editor<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
+<span id="L976" class="LineNr"> 976 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L976'>move-to-previous-line</a> editor:&amp;:editor<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
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@@ -1053,13 +1053,13 @@ if ('onhashchange' in window) {
 <span id="L995" class="LineNr"> 995 </span>      c2:char <span class="Special">&lt;-</span> get *curr, <span class="Constant">value:offset</span>
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-<span id="L998" class="LineNr"> 998 </span>      curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> before-previous-line curr, editor
+<span id="L998" class="LineNr"> 998 </span>      curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L2367'>before-previous-line</a> curr, editor
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 <span id="L1000" class="LineNr">1000 </span>      <span class="muControl">return-if</span> no-motion?
 <span id="L1001" class="LineNr">1001 </span>    <span class="Delimiter">}</span>
 <span id="L1002" class="LineNr">1002 </span>    <span class="Delimiter">{</span>
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-<span id="L1004" class="LineNr">1004 </span>      curr <span class="Special">&lt;-</span> before-previous-line curr, editor
+<span id="L1004" class="LineNr">1004 </span>      curr <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L2367'>before-previous-line</a> curr, editor
 <span id="L1005" class="LineNr">1005 </span>      no-motion?:bool <span class="Special">&lt;-</span> equal curr, old
 <span id="L1006" class="LineNr">1006 </span>      <span class="muControl">return-if</span> no-motion?
 <span id="L1007" class="LineNr">1007 </span>    <span class="Delimiter">}</span>
@@ -1074,7 +1074,7 @@ if ('onhashchange' in window) {
 <span id="L1016" class="LineNr">1016 </span>    <span class="Delimiter">{</span>
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 <span id="L1018" class="LineNr">1018 </span>      <span class="muControl">break-if</span> done?
-<span id="L1019" class="LineNr">1019 </span>      curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L1019" class="LineNr">1019 </span>      curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
 <span id="L1020" class="LineNr">1020 </span>      <span class="muControl">break-unless</span> curr
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 <span id="L1022" class="LineNr">1022 </span>      at-newline?:bool <span class="Special">&lt;-</span> equal currc, <span class="Constant">10/newline</span>
@@ -1101,15 +1101,15 @@ if ('onhashchange' in window) {
 <span id="L1043" class="LineNr">1043 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1044" class="LineNr">1044 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[ab</span>
 <span id="L1045" class="LineNr">1045 </span><span class="Constant">def]</span>
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-<span id="L1047" class="LineNr">1047 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1046" class="LineNr">1046 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1047" class="LineNr">1047 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
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 <span id="L1049" class="LineNr">1049 </span>  assume-console [
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 <span id="L1051" class="LineNr">1051 </span>    press up-arrow
 <span id="L1052" class="LineNr">1052 </span>  ]
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+<span id="L1054" class="LineNr">1054 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
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 <span id="L1056" class="LineNr">1056 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1057" class="LineNr">1057 </span>  ]
@@ -1122,7 +1122,7 @@ if ('onhashchange' in window) {
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 <span id="L1065" class="LineNr">1065 </span>  ]
 <span id="L1066" class="LineNr">1066 </span>  run [
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+<span id="L1067" class="LineNr">1067 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1068" class="LineNr">1068 </span>  ]
 <span id="L1069" class="LineNr">1069 </span>  screen-should-contain [
 <span id="L1070" class="LineNr">1070 </span>   <span class="Constant"> .          .</span>
@@ -1138,15 +1138,15 @@ if ('onhashchange' in window) {
 <span id="L1080" class="LineNr">1080 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
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 <span id="L1082" class="LineNr">1082 </span><span class="muRecipe">def</span>]
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-<span id="L1084" class="LineNr">1084 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1083" class="LineNr">1083 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1084" class="LineNr">1084 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
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 <span id="L1088" class="LineNr">1088 </span>    press up-arrow
 <span id="L1089" class="LineNr">1089 </span>  ]
 <span id="L1090" class="LineNr">1090 </span>  run [
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 <span id="L1093" class="LineNr">1093 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1094" class="LineNr">1094 </span>  ]
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 <span id="L1101" class="LineNr">1101 </span>    type <span class="Constant">[0]</span>
 <span id="L1102" class="LineNr">1102 </span>  ]
 <span id="L1103" class="LineNr">1103 </span>  run [
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+<span id="L1104" class="LineNr">1104 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1105" class="LineNr">1105 </span>  ]
 <span id="L1106" class="LineNr">1106 </span>  screen-should-contain [
 <span id="L1107" class="LineNr">1107 </span>   <span class="Constant"> .          .</span>
@@ -1177,8 +1177,8 @@ if ('onhashchange' in window) {
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 <span id="L1120" class="LineNr">1120 </span><span class="Constant">def</span>
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-<span id="L1123" class="LineNr">1123 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1122" class="LineNr">1122 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1123" class="LineNr">1123 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
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 <span id="L1125" class="LineNr">1125 </span>  <span class="Comment"># click on the third line and hit up-arrow, so you end up just after a newline</span>
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@@ -1186,7 +1186,7 @@ if ('onhashchange' in window) {
 <span id="L1128" class="LineNr">1128 </span>    press up-arrow
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 <span id="L1133" class="LineNr">1133 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1134" class="LineNr">1134 </span>  ]
@@ -1199,7 +1199,7 @@ if ('onhashchange' in window) {
 <span id="L1141" class="LineNr">1141 </span>    type <span class="Constant">[0]</span>
 <span id="L1142" class="LineNr">1142 </span>  ]
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 <span id="L1147" class="LineNr">1147 </span>   <span class="Constant"> .          .</span>
@@ -1217,15 +1217,15 @@ if ('onhashchange' in window) {
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 <span id="L1161" class="LineNr">1161 </span><span class="Constant">def]</span>
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-<span id="L1163" class="LineNr">1163 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1162" class="LineNr">1162 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1163" class="LineNr">1163 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
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 <span id="L1172" class="LineNr">1172 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
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 <span id="L1181" class="LineNr">1181 </span>    type <span class="Constant">[0]</span>
 <span id="L1182" class="LineNr">1182 </span>  ]
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 <span id="L1185" class="LineNr">1185 </span>  ]
 <span id="L1186" class="LineNr">1186 </span>  screen-should-contain [
 <span id="L1187" class="LineNr">1187 </span>   <span class="Constant"> .          .</span>
@@ -1255,14 +1255,14 @@ if ('onhashchange' in window) {
 <span id="L1197" class="LineNr">1197 </span>    move-to-next-line?:bool <span class="Special">&lt;-</span> equal k, <span class="Constant">65516/down-arrow</span>
 <span id="L1198" class="LineNr">1198 </span>    <span class="muControl">break-unless</span> move-to-next-line?
 <span id="L1199" class="LineNr">1199 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L1200" class="LineNr">1200 </span>    go-render? <span class="Special">&lt;-</span> move-to-next-line editor, <a href='081print.mu.html#L594'>screen-height</a>
+<span id="L1200" class="LineNr">1200 </span>    go-render? <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L1207'>move-to-next-line</a> editor, <a href='../081print.mu.html#L594'>screen-height</a>
 <span id="L1201" class="LineNr">1201 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">4/down-arrow</span>
 <span id="L1202" class="LineNr">1202 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L1203" class="LineNr">1203 </span>    <span class="muControl">return</span>
 <span id="L1204" class="LineNr">1204 </span>  <span class="Delimiter">}</span>
 <span id="L1205" class="LineNr">1205 </span>]
 <span id="L1206" class="LineNr">1206 </span>
-<span id="L1207" class="LineNr">1207 </span><span class="muRecipe">def</span> move-to-next-line editor:&amp;:editor, <a href='081print.mu.html#L594'>screen-height</a>:num<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
+<span id="L1207" class="LineNr">1207 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1207'>move-to-next-line</a> editor:&amp;:editor, <a href='../081print.mu.html#L594'>screen-height</a>:num<span class="muRecipe"> -&gt; </span>go-render?:bool, editor:&amp;:editor [
 <span id="L1208" class="LineNr">1208 </span>  <span class="Constant">local-scope</span>
 <span id="L1209" class="LineNr">1209 </span>  <span class="Constant">load-ingredients</span>
 <span id="L1210" class="LineNr">1210 </span>  cursor-row:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">cursor-row:offset</span>
@@ -1270,14 +1270,14 @@ if ('onhashchange' in window) {
 <span id="L1212" class="LineNr">1212 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
 <span id="L1213" class="LineNr">1213 </span>  left:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">left:offset</span>
 <span id="L1214" class="LineNr">1214 </span>  right:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">right:offset</span>
-<span id="L1215" class="LineNr">1215 </span>  last-line:num <span class="Special">&lt;-</span> subtract <a href='081print.mu.html#L594'>screen-height</a>,<span class="Constant"> 1</span>
+<span id="L1215" class="LineNr">1215 </span>  last-line:num <span class="Special">&lt;-</span> subtract <a href='../081print.mu.html#L594'>screen-height</a>,<span class="Constant"> 1</span>
 <span id="L1216" class="LineNr">1216 </span>  already-at-bottom?:bool <span class="Special">&lt;-</span> greater-or-equal cursor-row, last-line
 <span id="L1217" class="LineNr">1217 </span>  <span class="Delimiter">{</span>
 <span id="L1218" class="LineNr">1218 </span>    <span class="Comment"># if cursor not at bottom, move it</span>
 <span id="L1219" class="LineNr">1219 </span>    <span class="muControl">break-if</span> already-at-bottom?
 <span id="L1220" class="LineNr">1220 </span>    <span class="Comment"># scan to start of next line, then to right column or until end of line</span>
 <span id="L1221" class="LineNr">1221 </span>    max:num <span class="Special">&lt;-</span> subtract right, left
-<span id="L1222" class="LineNr">1222 </span>    next-line:&amp;:duplex-list:char <span class="Special">&lt;-</span> before-start-of-next-line before-cursor, max
+<span id="L1222" class="LineNr">1222 </span>    next-line:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L1988'>before-start-of-next-line</a> before-cursor, max
 <span id="L1223" class="LineNr">1223 </span>    <span class="Delimiter">{</span>
 <span id="L1224" class="LineNr">1224 </span>      <span class="Comment"># already at end of buffer? try to scroll up (so we can see more</span>
 <span id="L1225" class="LineNr">1225 </span>      <span class="Comment"># warnings or sandboxes below)</span>
@@ -1297,7 +1297,7 @@ if ('onhashchange' in window) {
 <span id="L1239" class="LineNr">1239 </span>    <span class="Delimiter">{</span>
 <span id="L1240" class="LineNr">1240 </span>      done?:bool <span class="Special">&lt;-</span> greater-or-equal cursor-column, target-column
 <span id="L1241" class="LineNr">1241 </span>      <span class="muControl">break-if</span> done?
-<span id="L1242" class="LineNr">1242 </span>      curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L1242" class="LineNr">1242 </span>      curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
 <span id="L1243" class="LineNr">1243 </span>      <span class="muControl">break-unless</span> curr
 <span id="L1244" class="LineNr">1244 </span>      currc:char <span class="Special">&lt;-</span> get *curr, <span class="Constant">value:offset</span>
 <span id="L1245" class="LineNr">1245 </span>      at-newline?:bool <span class="Special">&lt;-</span> equal currc, <span class="Constant">10/newline</span>
@@ -1321,15 +1321,15 @@ if ('onhashchange' in window) {
 <span id="L1263" class="LineNr">1263 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1264" class="LineNr">1264 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L1265" class="LineNr">1265 </span><span class="Constant">de]</span>
-<span id="L1266" class="LineNr">1266 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1267" class="LineNr">1267 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1266" class="LineNr">1266 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1267" class="LineNr">1267 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1268" class="LineNr">1268 </span>  $clear-trace
 <span id="L1269" class="LineNr">1269 </span>  assume-console [
 <span id="L1270" class="LineNr">1270 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span>
 <span id="L1271" class="LineNr">1271 </span>    press down-arrow
 <span id="L1272" class="LineNr">1272 </span>  ]
 <span id="L1273" class="LineNr">1273 </span>  run [
-<span id="L1274" class="LineNr">1274 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1274" class="LineNr">1274 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1275" class="LineNr">1275 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1276" class="LineNr">1276 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1277" class="LineNr">1277 </span>  ]
@@ -1342,7 +1342,7 @@ if ('onhashchange' in window) {
 <span id="L1284" class="LineNr">1284 </span>    type <span class="Constant">[0]</span>
 <span id="L1285" class="LineNr">1285 </span>  ]
 <span id="L1286" class="LineNr">1286 </span>  run [
-<span id="L1287" class="LineNr">1287 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1287" class="LineNr">1287 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1288" class="LineNr">1288 </span>  ]
 <span id="L1289" class="LineNr">1289 </span>  screen-should-contain [
 <span id="L1290" class="LineNr">1290 </span>   <span class="Constant"> .          .</span>
@@ -1360,8 +1360,8 @@ if ('onhashchange' in window) {
 <span id="L1302" class="LineNr">1302 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1303" class="LineNr">1303 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1304" class="LineNr">1304 </span><span class="Constant">456]</span>
-<span id="L1305" class="LineNr">1305 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1306" class="LineNr">1306 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1305" class="LineNr">1305 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1306" class="LineNr">1306 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1307" class="LineNr">1307 </span>  $clear-trace
 <span id="L1308" class="LineNr">1308 </span>  <span class="Comment"># start on second line, press ctrl-a</span>
 <span id="L1309" class="LineNr">1309 </span>  assume-console [
@@ -1369,7 +1369,7 @@ if ('onhashchange' in window) {
 <span id="L1311" class="LineNr">1311 </span>    press ctrl-a
 <span id="L1312" class="LineNr">1312 </span>  ]
 <span id="L1313" class="LineNr">1313 </span>  run [
-<span id="L1314" class="LineNr">1314 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1314" class="LineNr">1314 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1315" class="LineNr">1315 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1316" class="LineNr">1316 </span>    5:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1317" class="LineNr">1317 </span>  ]
@@ -1386,7 +1386,7 @@ if ('onhashchange' in window) {
 <span id="L1328" class="LineNr">1328 </span>    move-to-start-of-line?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">1/ctrl-a</span>
 <span id="L1329" class="LineNr">1329 </span>    <span class="muControl">break-unless</span> move-to-start-of-line?
 <span id="L1330" class="LineNr">1330 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L1331" class="LineNr">1331 </span>    move-to-start-of-line editor
+<span id="L1331" class="LineNr">1331 </span>    <a href='003-shortcuts.mu.html#L1350'>move-to-start-of-line</a> editor
 <span id="L1332" class="LineNr">1332 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L1333" class="LineNr">1333 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L1334" class="LineNr">1334 </span>    <span class="muControl">return</span> <span class="Constant">0/don't-render</span>
@@ -1398,14 +1398,14 @@ if ('onhashchange' in window) {
 <span id="L1340" class="LineNr">1340 </span>    move-to-start-of-line?:bool <span class="Special">&lt;-</span> equal k, <span class="Constant">65521/home</span>
 <span id="L1341" class="LineNr">1341 </span>    <span class="muControl">break-unless</span> move-to-start-of-line?
 <span id="L1342" class="LineNr">1342 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L1343" class="LineNr">1343 </span>    move-to-start-of-line editor
+<span id="L1343" class="LineNr">1343 </span>    <a href='003-shortcuts.mu.html#L1350'>move-to-start-of-line</a> editor
 <span id="L1344" class="LineNr">1344 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L1345" class="LineNr">1345 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L1346" class="LineNr">1346 </span>    <span class="muControl">return</span> <span class="Constant">0/don't-render</span>
 <span id="L1347" class="LineNr">1347 </span>  <span class="Delimiter">}</span>
 <span id="L1348" class="LineNr">1348 </span>]
 <span id="L1349" class="LineNr">1349 </span>
-<span id="L1350" class="LineNr">1350 </span><span class="muRecipe">def</span> move-to-start-of-line editor:&amp;:editor<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
+<span id="L1350" class="LineNr">1350 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1350'>move-to-start-of-line</a> editor:&amp;:editor<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
 <span id="L1351" class="LineNr">1351 </span>  <span class="Constant">local-scope</span>
 <span id="L1352" class="LineNr">1352 </span>  <span class="Constant">load-ingredients</span>
 <span id="L1353" class="LineNr">1353 </span>  <span class="Comment"># update cursor column</span>
@@ -1419,10 +1419,10 @@ if ('onhashchange' in window) {
 <span id="L1361" class="LineNr">1361 </span>  <span class="Delimiter">{</span>
 <span id="L1362" class="LineNr">1362 </span>    at-start-of-text?:bool <span class="Special">&lt;-</span> equal before-cursor, init
 <span id="L1363" class="LineNr">1363 </span>    <span class="muControl">break-if</span> at-start-of-text?
-<span id="L1364" class="LineNr">1364 </span>    <a href='065duplex_list.mu.html#L36'>prev</a>:char <span class="Special">&lt;-</span> get *before-cursor, <span class="Constant">value:offset</span>
-<span id="L1365" class="LineNr">1365 </span>    at-start-of-line?:bool <span class="Special">&lt;-</span> equal <a href='065duplex_list.mu.html#L36'>prev</a>, <span class="Constant">10/newline</span>
+<span id="L1364" class="LineNr">1364 </span>    <a href='../065duplex_list.mu.html#L36'>prev</a>:char <span class="Special">&lt;-</span> get *before-cursor, <span class="Constant">value:offset</span>
+<span id="L1365" class="LineNr">1365 </span>    at-start-of-line?:bool <span class="Special">&lt;-</span> equal <a href='../065duplex_list.mu.html#L36'>prev</a>, <span class="Constant">10/newline</span>
 <span id="L1366" class="LineNr">1366 </span>    <span class="muControl">break-if</span> at-start-of-line?
-<span id="L1367" class="LineNr">1367 </span>    before-cursor <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> before-cursor
+<span id="L1367" class="LineNr">1367 </span>    before-cursor <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> before-cursor
 <span id="L1368" class="LineNr">1368 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
 <span id="L1369" class="LineNr">1369 </span>    assert before-cursor, <span class="Constant">[move-to-start-of-line tried to move before start of text]</span>
 <span id="L1370" class="LineNr">1370 </span>    <span class="muControl">loop</span>
@@ -1434,8 +1434,8 @@ if ('onhashchange' in window) {
 <span id="L1376" class="LineNr">1376 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1377" class="LineNr">1377 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1378" class="LineNr">1378 </span><span class="Constant">456]</span>
-<span id="L1379" class="LineNr">1379 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1380" class="LineNr">1380 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1379" class="LineNr">1379 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1380" class="LineNr">1380 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1381" class="LineNr">1381 </span>  $clear-trace
 <span id="L1382" class="LineNr">1382 </span>  <span class="Comment"># start on first line (no newline before), press ctrl-a</span>
 <span id="L1383" class="LineNr">1383 </span>  assume-console [
@@ -1443,7 +1443,7 @@ if ('onhashchange' in window) {
 <span id="L1385" class="LineNr">1385 </span>    press ctrl-a
 <span id="L1386" class="LineNr">1386 </span>  ]
 <span id="L1387" class="LineNr">1387 </span>  run [
-<span id="L1388" class="LineNr">1388 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1388" class="LineNr">1388 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1389" class="LineNr">1389 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1390" class="LineNr">1390 </span>    5:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1391" class="LineNr">1391 </span>  ]
@@ -1460,7 +1460,7 @@ if ('onhashchange' in window) {
 <span id="L1402" class="LineNr">1402 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1403" class="LineNr">1403 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1404" class="LineNr">1404 </span><span class="Constant">456]</span>
-<span id="L1405" class="LineNr">1405 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1405" class="LineNr">1405 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1406" class="LineNr">1406 </span>  $clear-trace
 <span id="L1407" class="LineNr">1407 </span>  <span class="Comment"># start on second line, press 'home'</span>
 <span id="L1408" class="LineNr">1408 </span>  assume-console [
@@ -1468,7 +1468,7 @@ if ('onhashchange' in window) {
 <span id="L1410" class="LineNr">1410 </span>    press home
 <span id="L1411" class="LineNr">1411 </span>  ]
 <span id="L1412" class="LineNr">1412 </span>  run [
-<span id="L1413" class="LineNr">1413 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1413" class="LineNr">1413 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1414" class="LineNr">1414 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1415" class="LineNr">1415 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1416" class="LineNr">1416 </span>  ]
@@ -1485,8 +1485,8 @@ if ('onhashchange' in window) {
 <span id="L1427" class="LineNr">1427 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1428" class="LineNr">1428 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1429" class="LineNr">1429 </span><span class="Constant">456]</span>
-<span id="L1430" class="LineNr">1430 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1431" class="LineNr">1431 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1430" class="LineNr">1430 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1431" class="LineNr">1431 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1432" class="LineNr">1432 </span>  $clear-trace
 <span id="L1433" class="LineNr">1433 </span>  <span class="Comment"># start on first line (no newline before), press 'home'</span>
 <span id="L1434" class="LineNr">1434 </span>  assume-console [
@@ -1494,7 +1494,7 @@ if ('onhashchange' in window) {
 <span id="L1436" class="LineNr">1436 </span>    press home
 <span id="L1437" class="LineNr">1437 </span>  ]
 <span id="L1438" class="LineNr">1438 </span>  run [
-<span id="L1439" class="LineNr">1439 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1439" class="LineNr">1439 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1440" class="LineNr">1440 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1441" class="LineNr">1441 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1442" class="LineNr">1442 </span>  ]
@@ -1513,8 +1513,8 @@ if ('onhashchange' in window) {
 <span id="L1455" class="LineNr">1455 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1456" class="LineNr">1456 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1457" class="LineNr">1457 </span><span class="Constant">456]</span>
-<span id="L1458" class="LineNr">1458 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1459" class="LineNr">1459 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1458" class="LineNr">1458 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1459" class="LineNr">1459 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1460" class="LineNr">1460 </span>  $clear-trace
 <span id="L1461" class="LineNr">1461 </span>  <span class="Comment"># start on first line, press ctrl-e</span>
 <span id="L1462" class="LineNr">1462 </span>  assume-console [
@@ -1522,7 +1522,7 @@ if ('onhashchange' in window) {
 <span id="L1464" class="LineNr">1464 </span>    press ctrl-e
 <span id="L1465" class="LineNr">1465 </span>  ]
 <span id="L1466" class="LineNr">1466 </span>  run [
-<span id="L1467" class="LineNr">1467 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1467" class="LineNr">1467 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1468" class="LineNr">1468 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1469" class="LineNr">1469 </span>    5:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1470" class="LineNr">1470 </span>  ]
@@ -1537,7 +1537,7 @@ if ('onhashchange' in window) {
 <span id="L1479" class="LineNr">1479 </span>    type <span class="Constant">[z]</span>
 <span id="L1480" class="LineNr">1480 </span>  ]
 <span id="L1481" class="LineNr">1481 </span>  run [
-<span id="L1482" class="LineNr">1482 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1482" class="LineNr">1482 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1483" class="LineNr">1483 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1484" class="LineNr">1484 </span>    5:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1485" class="LineNr">1485 </span>  ]
@@ -1560,7 +1560,7 @@ if ('onhashchange' in window) {
 <span id="L1502" class="LineNr">1502 </span>    move-to-end-of-line?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">5/ctrl-e</span>
 <span id="L1503" class="LineNr">1503 </span>    <span class="muControl">break-unless</span> move-to-end-of-line?
 <span id="L1504" class="LineNr">1504 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L1505" class="LineNr">1505 </span>    move-to-end-of-line editor
+<span id="L1505" class="LineNr">1505 </span>    <a href='003-shortcuts.mu.html#L1524'>move-to-end-of-line</a> editor
 <span id="L1506" class="LineNr">1506 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L1507" class="LineNr">1507 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L1508" class="LineNr">1508 </span>    <span class="muControl">return</span> <span class="Constant">0/don't-render</span>
@@ -1572,26 +1572,26 @@ if ('onhashchange' in window) {
 <span id="L1514" class="LineNr">1514 </span>    move-to-end-of-line?:bool <span class="Special">&lt;-</span> equal k, <span class="Constant">65520/end</span>
 <span id="L1515" class="LineNr">1515 </span>    <span class="muControl">break-unless</span> move-to-end-of-line?
 <span id="L1516" class="LineNr">1516 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L1517" class="LineNr">1517 </span>    move-to-end-of-line editor
+<span id="L1517" class="LineNr">1517 </span>    <a href='003-shortcuts.mu.html#L1524'>move-to-end-of-line</a> editor
 <span id="L1518" class="LineNr">1518 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L1519" class="LineNr">1519 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L1520" class="LineNr">1520 </span>    <span class="muControl">return</span> <span class="Constant">0/don't-render</span>
 <span id="L1521" class="LineNr">1521 </span>  <span class="Delimiter">}</span>
 <span id="L1522" class="LineNr">1522 </span>]
 <span id="L1523" class="LineNr">1523 </span>
-<span id="L1524" class="LineNr">1524 </span><span class="muRecipe">def</span> move-to-end-of-line editor:&amp;:editor<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
+<span id="L1524" class="LineNr">1524 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1524'>move-to-end-of-line</a> editor:&amp;:editor<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
 <span id="L1525" class="LineNr">1525 </span>  <span class="Constant">local-scope</span>
 <span id="L1526" class="LineNr">1526 </span>  <span class="Constant">load-ingredients</span>
 <span id="L1527" class="LineNr">1527 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
 <span id="L1528" class="LineNr">1528 </span>  cursor-column:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">cursor-column:offset</span>
 <span id="L1529" class="LineNr">1529 </span>  <span class="Comment"># while not at start of line, move</span>
 <span id="L1530" class="LineNr">1530 </span>  <span class="Delimiter">{</span>
-<span id="L1531" class="LineNr">1531 </span>    <a href='065duplex_list.mu.html#L29'>next</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
-<span id="L1532" class="LineNr">1532 </span>    <span class="muControl">break-unless</span> <a href='065duplex_list.mu.html#L29'>next</a>  <span class="Comment"># end of text</span>
+<span id="L1531" class="LineNr">1531 </span>    <a href='../065duplex_list.mu.html#L29'>next</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L1532" class="LineNr">1532 </span>    <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L29'>next</a>  <span class="Comment"># end of text</span>
 <span id="L1533" class="LineNr">1533 </span>    nextc:char <span class="Special">&lt;-</span> get *next, <span class="Constant">value:offset</span>
 <span id="L1534" class="LineNr">1534 </span>    at-end-of-line?:bool <span class="Special">&lt;-</span> equal nextc, <span class="Constant">10/newline</span>
 <span id="L1535" class="LineNr">1535 </span>    <span class="muControl">break-if</span> at-end-of-line?
-<span id="L1536" class="LineNr">1536 </span>    before-cursor <span class="Special">&lt;-</span> copy <a href='065duplex_list.mu.html#L29'>next</a>
+<span id="L1536" class="LineNr">1536 </span>    before-cursor <span class="Special">&lt;-</span> copy <a href='../065duplex_list.mu.html#L29'>next</a>
 <span id="L1537" class="LineNr">1537 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
 <span id="L1538" class="LineNr">1538 </span>    cursor-column <span class="Special">&lt;-</span> add cursor-column,<span class="Constant"> 1</span>
 <span id="L1539" class="LineNr">1539 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column
@@ -1604,8 +1604,8 @@ if ('onhashchange' in window) {
 <span id="L1546" class="LineNr">1546 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1547" class="LineNr">1547 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1548" class="LineNr">1548 </span><span class="Constant">456]</span>
-<span id="L1549" class="LineNr">1549 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1550" class="LineNr">1550 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1549" class="LineNr">1549 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1550" class="LineNr">1550 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1551" class="LineNr">1551 </span>  $clear-trace
 <span id="L1552" class="LineNr">1552 </span>  <span class="Comment"># start on second line (no newline after), press ctrl-e</span>
 <span id="L1553" class="LineNr">1553 </span>  assume-console [
@@ -1613,7 +1613,7 @@ if ('onhashchange' in window) {
 <span id="L1555" class="LineNr">1555 </span>    press ctrl-e
 <span id="L1556" class="LineNr">1556 </span>  ]
 <span id="L1557" class="LineNr">1557 </span>  run [
-<span id="L1558" class="LineNr">1558 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1558" class="LineNr">1558 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1559" class="LineNr">1559 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1560" class="LineNr">1560 </span>    5:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1561" class="LineNr">1561 </span>  ]
@@ -1630,8 +1630,8 @@ if ('onhashchange' in window) {
 <span id="L1572" class="LineNr">1572 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1573" class="LineNr">1573 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1574" class="LineNr">1574 </span><span class="Constant">456]</span>
-<span id="L1575" class="LineNr">1575 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1576" class="LineNr">1576 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1575" class="LineNr">1575 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1576" class="LineNr">1576 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1577" class="LineNr">1577 </span>  $clear-trace
 <span id="L1578" class="LineNr">1578 </span>  <span class="Comment"># start on first line, press 'end'</span>
 <span id="L1579" class="LineNr">1579 </span>  assume-console [
@@ -1639,7 +1639,7 @@ if ('onhashchange' in window) {
 <span id="L1581" class="LineNr">1581 </span>    press end
 <span id="L1582" class="LineNr">1582 </span>  ]
 <span id="L1583" class="LineNr">1583 </span>  run [
-<span id="L1584" class="LineNr">1584 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1584" class="LineNr">1584 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1585" class="LineNr">1585 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1586" class="LineNr">1586 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1587" class="LineNr">1587 </span>  ]
@@ -1656,8 +1656,8 @@ if ('onhashchange' in window) {
 <span id="L1598" class="LineNr">1598 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1599" class="LineNr">1599 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1600" class="LineNr">1600 </span><span class="Constant">456]</span>
-<span id="L1601" class="LineNr">1601 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1602" class="LineNr">1602 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1601" class="LineNr">1601 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1602" class="LineNr">1602 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1603" class="LineNr">1603 </span>  $clear-trace
 <span id="L1604" class="LineNr">1604 </span>  <span class="Comment"># start on second line (no newline after), press 'end'</span>
 <span id="L1605" class="LineNr">1605 </span>  assume-console [
@@ -1665,7 +1665,7 @@ if ('onhashchange' in window) {
 <span id="L1607" class="LineNr">1607 </span>    press end
 <span id="L1608" class="LineNr">1608 </span>  ]
 <span id="L1609" class="LineNr">1609 </span>  run [
-<span id="L1610" class="LineNr">1610 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1610" class="LineNr">1610 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1611" class="LineNr">1611 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L1612" class="LineNr">1612 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L1613" class="LineNr">1613 </span>  ]
@@ -1684,14 +1684,14 @@ if ('onhashchange' in window) {
 <span id="L1626" class="LineNr">1626 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1627" class="LineNr">1627 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1628" class="LineNr">1628 </span><span class="Constant">456]</span>
-<span id="L1629" class="LineNr">1629 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1629" class="LineNr">1629 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1630" class="LineNr">1630 </span>  <span class="Comment"># start on second line, press ctrl-u</span>
 <span id="L1631" class="LineNr">1631 </span>  assume-console [
 <span id="L1632" class="LineNr">1632 </span>    left-click<span class="Constant"> 2</span>,<span class="Constant"> 2</span>
 <span id="L1633" class="LineNr">1633 </span>    press ctrl-u
 <span id="L1634" class="LineNr">1634 </span>  ]
 <span id="L1635" class="LineNr">1635 </span>  run [
-<span id="L1636" class="LineNr">1636 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1636" class="LineNr">1636 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1637" class="LineNr">1637 </span>  ]
 <span id="L1638" class="LineNr">1638 </span>  <span class="Comment"># cursor deletes to start of line</span>
 <span id="L1639" class="LineNr">1639 </span>  screen-should-contain [
@@ -1708,33 +1708,33 @@ if ('onhashchange' in window) {
 <span id="L1650" class="LineNr">1650 </span>    delete-to-start-of-line?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">21/ctrl-u</span>
 <span id="L1651" class="LineNr">1651 </span>    <span class="muControl">break-unless</span> delete-to-start-of-line?
 <span id="L1652" class="LineNr">1652 </span><span class="Constant">    &lt;delete-to-start-of-line-begin&gt;</span>
-<span id="L1653" class="LineNr">1653 </span>    deleted-cells:&amp;:duplex-list:char <span class="Special">&lt;-</span> delete-to-start-of-line editor
+<span id="L1653" class="LineNr">1653 </span>    deleted-cells:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L1659'>delete-to-start-of-line</a> editor
 <span id="L1654" class="LineNr">1654 </span><span class="Constant">    &lt;delete-to-start-of-line-end&gt;</span>
 <span id="L1655" class="LineNr">1655 </span>    <span class="muControl">return</span> <span class="Constant">1/go-render</span>
 <span id="L1656" class="LineNr">1656 </span>  <span class="Delimiter">}</span>
 <span id="L1657" class="LineNr">1657 </span>]
 <span id="L1658" class="LineNr">1658 </span>
-<span id="L1659" class="LineNr">1659 </span><span class="muRecipe">def</span> delete-to-start-of-line editor:&amp;:editor<span class="muRecipe"> -&gt; </span>result:&amp;:duplex-list:char, editor:&amp;:editor [
+<span id="L1659" class="LineNr">1659 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1659'>delete-to-start-of-line</a> editor:&amp;:editor<span class="muRecipe"> -&gt; </span>result:&amp;:duplex-list:char, editor:&amp;:editor [
 <span id="L1660" class="LineNr">1660 </span>  <span class="Constant">local-scope</span>
 <span id="L1661" class="LineNr">1661 </span>  <span class="Constant">load-ingredients</span>
 <span id="L1662" class="LineNr">1662 </span>  <span class="Comment"># compute range to delete</span>
 <span id="L1663" class="LineNr">1663 </span>  init:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">data:offset</span>
 <span id="L1664" class="LineNr">1664 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
 <span id="L1665" class="LineNr">1665 </span>  start:&amp;:duplex-list:char <span class="Special">&lt;-</span> copy before-cursor
-<span id="L1666" class="LineNr">1666 </span>  end:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> before-cursor
+<span id="L1666" class="LineNr">1666 </span>  end:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> before-cursor
 <span id="L1667" class="LineNr">1667 </span>  <span class="Delimiter">{</span>
 <span id="L1668" class="LineNr">1668 </span>    at-start-of-text?:bool <span class="Special">&lt;-</span> equal start, init
 <span id="L1669" class="LineNr">1669 </span>    <span class="muControl">break-if</span> at-start-of-text?
 <span id="L1670" class="LineNr">1670 </span>    curr:char <span class="Special">&lt;-</span> get *start, <span class="Constant">value:offset</span>
 <span id="L1671" class="LineNr">1671 </span>    at-start-of-line?:bool <span class="Special">&lt;-</span> equal curr, <span class="Constant">10/newline</span>
 <span id="L1672" class="LineNr">1672 </span>    <span class="muControl">break-if</span> at-start-of-line?
-<span id="L1673" class="LineNr">1673 </span>    start <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> start
+<span id="L1673" class="LineNr">1673 </span>    start <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> start
 <span id="L1674" class="LineNr">1674 </span>    assert start, <span class="Constant">[delete-to-start-of-line tried to move before start of text]</span>
 <span id="L1675" class="LineNr">1675 </span>    <span class="muControl">loop</span>
 <span id="L1676" class="LineNr">1676 </span>  <span class="Delimiter">}</span>
 <span id="L1677" class="LineNr">1677 </span>  <span class="Comment"># snip it out</span>
-<span id="L1678" class="LineNr">1678 </span>  result:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> start
-<span id="L1679" class="LineNr">1679 </span>  <a href='065duplex_list.mu.html#L345'>remove-between</a> start, end
+<span id="L1678" class="LineNr">1678 </span>  result:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> start
+<span id="L1679" class="LineNr">1679 </span>  <a href='../065duplex_list.mu.html#L345'>remove-between</a> start, end
 <span id="L1680" class="LineNr">1680 </span>  <span class="Comment"># adjust cursor</span>
 <span id="L1681" class="LineNr">1681 </span>  before-cursor <span class="Special">&lt;-</span> copy start
 <span id="L1682" class="LineNr">1682 </span>  *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
@@ -1747,14 +1747,14 @@ if ('onhashchange' in window) {
 <span id="L1689" class="LineNr">1689 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1690" class="LineNr">1690 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1691" class="LineNr">1691 </span><span class="Constant">456]</span>
-<span id="L1692" class="LineNr">1692 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1692" class="LineNr">1692 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1693" class="LineNr">1693 </span>  <span class="Comment"># start on first line (no newline before), press ctrl-u</span>
 <span id="L1694" class="LineNr">1694 </span>  assume-console [
 <span id="L1695" class="LineNr">1695 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span>
 <span id="L1696" class="LineNr">1696 </span>    press ctrl-u
 <span id="L1697" class="LineNr">1697 </span>  ]
 <span id="L1698" class="LineNr">1698 </span>  run [
-<span id="L1699" class="LineNr">1699 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1699" class="LineNr">1699 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1700" class="LineNr">1700 </span>  ]
 <span id="L1701" class="LineNr">1701 </span>  <span class="Comment"># cursor deletes to start of line</span>
 <span id="L1702" class="LineNr">1702 </span>  screen-should-contain [
@@ -1771,14 +1771,14 @@ if ('onhashchange' in window) {
 <span id="L1713" class="LineNr">1713 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1714" class="LineNr">1714 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1715" class="LineNr">1715 </span><span class="Constant">456]</span>
-<span id="L1716" class="LineNr">1716 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1716" class="LineNr">1716 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1717" class="LineNr">1717 </span>  <span class="Comment"># start past end of line, press ctrl-u</span>
 <span id="L1718" class="LineNr">1718 </span>  assume-console [
 <span id="L1719" class="LineNr">1719 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span>
 <span id="L1720" class="LineNr">1720 </span>    press ctrl-u
 <span id="L1721" class="LineNr">1721 </span>  ]
 <span id="L1722" class="LineNr">1722 </span>  run [
-<span id="L1723" class="LineNr">1723 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1723" class="LineNr">1723 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1724" class="LineNr">1724 </span>  ]
 <span id="L1725" class="LineNr">1725 </span>  <span class="Comment"># cursor deletes to start of line</span>
 <span id="L1726" class="LineNr">1726 </span>  screen-should-contain [
@@ -1795,14 +1795,14 @@ if ('onhashchange' in window) {
 <span id="L1737" class="LineNr">1737 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1738" class="LineNr">1738 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1739" class="LineNr">1739 </span><span class="Constant">456]</span>
-<span id="L1740" class="LineNr">1740 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1740" class="LineNr">1740 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1741" class="LineNr">1741 </span>  <span class="Comment"># start past end of final line, press ctrl-u</span>
 <span id="L1742" class="LineNr">1742 </span>  assume-console [
 <span id="L1743" class="LineNr">1743 </span>    left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span>
 <span id="L1744" class="LineNr">1744 </span>    press ctrl-u
 <span id="L1745" class="LineNr">1745 </span>  ]
 <span id="L1746" class="LineNr">1746 </span>  run [
-<span id="L1747" class="LineNr">1747 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1747" class="LineNr">1747 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1748" class="LineNr">1748 </span>  ]
 <span id="L1749" class="LineNr">1749 </span>  <span class="Comment"># cursor deletes to start of line</span>
 <span id="L1750" class="LineNr">1750 </span>  screen-should-contain [
@@ -1821,14 +1821,14 @@ if ('onhashchange' in window) {
 <span id="L1763" class="LineNr">1763 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1764" class="LineNr">1764 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1765" class="LineNr">1765 </span><span class="Constant">456]</span>
-<span id="L1766" class="LineNr">1766 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1766" class="LineNr">1766 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1767" class="LineNr">1767 </span>  <span class="Comment"># start on first line, press ctrl-k</span>
 <span id="L1768" class="LineNr">1768 </span>  assume-console [
 <span id="L1769" class="LineNr">1769 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span>
 <span id="L1770" class="LineNr">1770 </span>    press ctrl-k
 <span id="L1771" class="LineNr">1771 </span>  ]
 <span id="L1772" class="LineNr">1772 </span>  run [
-<span id="L1773" class="LineNr">1773 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1773" class="LineNr">1773 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1774" class="LineNr">1774 </span>  ]
 <span id="L1775" class="LineNr">1775 </span>  <span class="Comment"># cursor deletes to end of line</span>
 <span id="L1776" class="LineNr">1776 </span>  screen-should-contain [
@@ -1845,30 +1845,30 @@ if ('onhashchange' in window) {
 <span id="L1787" class="LineNr">1787 </span>    delete-to-end-of-line?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">11/ctrl-k</span>
 <span id="L1788" class="LineNr">1788 </span>    <span class="muControl">break-unless</span> delete-to-end-of-line?
 <span id="L1789" class="LineNr">1789 </span><span class="Constant">    &lt;delete-to-end-of-line-begin&gt;</span>
-<span id="L1790" class="LineNr">1790 </span>    deleted-cells:&amp;:duplex-list:char <span class="Special">&lt;-</span> delete-to-end-of-line editor
+<span id="L1790" class="LineNr">1790 </span>    deleted-cells:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L1796'>delete-to-end-of-line</a> editor
 <span id="L1791" class="LineNr">1791 </span><span class="Constant">    &lt;delete-to-end-of-line-end&gt;</span>
 <span id="L1792" class="LineNr">1792 </span>    <span class="muControl">return</span> <span class="Constant">1/go-render</span>
 <span id="L1793" class="LineNr">1793 </span>  <span class="Delimiter">}</span>
 <span id="L1794" class="LineNr">1794 </span>]
 <span id="L1795" class="LineNr">1795 </span>
-<span id="L1796" class="LineNr">1796 </span><span class="muRecipe">def</span> delete-to-end-of-line editor:&amp;:editor<span class="muRecipe"> -&gt; </span>result:&amp;:duplex-list:char, editor:&amp;:editor [
+<span id="L1796" class="LineNr">1796 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1796'>delete-to-end-of-line</a> editor:&amp;:editor<span class="muRecipe"> -&gt; </span>result:&amp;:duplex-list:char, editor:&amp;:editor [
 <span id="L1797" class="LineNr">1797 </span>  <span class="Constant">local-scope</span>
 <span id="L1798" class="LineNr">1798 </span>  <span class="Constant">load-ingredients</span>
 <span id="L1799" class="LineNr">1799 </span>  <span class="Comment"># compute range to delete</span>
 <span id="L1800" class="LineNr">1800 </span>  start:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
-<span id="L1801" class="LineNr">1801 </span>  end:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> start
+<span id="L1801" class="LineNr">1801 </span>  end:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> start
 <span id="L1802" class="LineNr">1802 </span>  <span class="Delimiter">{</span>
 <span id="L1803" class="LineNr">1803 </span>    at-end-of-text?:bool <span class="Special">&lt;-</span> equal end, <span class="Constant">0/null</span>
 <span id="L1804" class="LineNr">1804 </span>    <span class="muControl">break-if</span> at-end-of-text?
 <span id="L1805" class="LineNr">1805 </span>    curr:char <span class="Special">&lt;-</span> get *end, <span class="Constant">value:offset</span>
 <span id="L1806" class="LineNr">1806 </span>    at-end-of-line?:bool <span class="Special">&lt;-</span> equal curr, <span class="Constant">10/newline</span>
 <span id="L1807" class="LineNr">1807 </span>    <span class="muControl">break-if</span> at-end-of-line?
-<span id="L1808" class="LineNr">1808 </span>    end <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> end
+<span id="L1808" class="LineNr">1808 </span>    end <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> end
 <span id="L1809" class="LineNr">1809 </span>    <span class="muControl">loop</span>
 <span id="L1810" class="LineNr">1810 </span>  <span class="Delimiter">}</span>
 <span id="L1811" class="LineNr">1811 </span>  <span class="Comment"># snip it out</span>
-<span id="L1812" class="LineNr">1812 </span>  result <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> start
-<span id="L1813" class="LineNr">1813 </span>  <a href='065duplex_list.mu.html#L345'>remove-between</a> start, end
+<span id="L1812" class="LineNr">1812 </span>  result <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> start
+<span id="L1813" class="LineNr">1813 </span>  <a href='../065duplex_list.mu.html#L345'>remove-between</a> start, end
 <span id="L1814" class="LineNr">1814 </span>]
 <span id="L1815" class="LineNr">1815 </span>
 <span id="L1816" class="LineNr">1816 </span><span class="muScenario">scenario</span> editor-deletes-to-end-of-line-with-ctrl-k-2 [
@@ -1876,14 +1876,14 @@ if ('onhashchange' in window) {
 <span id="L1818" class="LineNr">1818 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1819" class="LineNr">1819 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1820" class="LineNr">1820 </span><span class="Constant">456]</span>
-<span id="L1821" class="LineNr">1821 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1821" class="LineNr">1821 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1822" class="LineNr">1822 </span>  <span class="Comment"># start on second line (no newline after), press ctrl-k</span>
 <span id="L1823" class="LineNr">1823 </span>  assume-console [
 <span id="L1824" class="LineNr">1824 </span>    left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span>
 <span id="L1825" class="LineNr">1825 </span>    press ctrl-k
 <span id="L1826" class="LineNr">1826 </span>  ]
 <span id="L1827" class="LineNr">1827 </span>  run [
-<span id="L1828" class="LineNr">1828 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1828" class="LineNr">1828 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1829" class="LineNr">1829 </span>  ]
 <span id="L1830" class="LineNr">1830 </span>  <span class="Comment"># cursor deletes to end of line</span>
 <span id="L1831" class="LineNr">1831 </span>  screen-should-contain [
@@ -1900,14 +1900,14 @@ if ('onhashchange' in window) {
 <span id="L1842" class="LineNr">1842 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1843" class="LineNr">1843 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1844" class="LineNr">1844 </span><span class="Constant">456]</span>
-<span id="L1845" class="LineNr">1845 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1845" class="LineNr">1845 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1846" class="LineNr">1846 </span>  <span class="Comment"># start at end of line</span>
 <span id="L1847" class="LineNr">1847 </span>  assume-console [
 <span id="L1848" class="LineNr">1848 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span>
 <span id="L1849" class="LineNr">1849 </span>    press ctrl-k
 <span id="L1850" class="LineNr">1850 </span>  ]
 <span id="L1851" class="LineNr">1851 </span>  run [
-<span id="L1852" class="LineNr">1852 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1852" class="LineNr">1852 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1853" class="LineNr">1853 </span>  ]
 <span id="L1854" class="LineNr">1854 </span>  <span class="Comment"># cursor deletes just last character</span>
 <span id="L1855" class="LineNr">1855 </span>  screen-should-contain [
@@ -1924,14 +1924,14 @@ if ('onhashchange' in window) {
 <span id="L1866" class="LineNr">1866 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1867" class="LineNr">1867 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1868" class="LineNr">1868 </span><span class="Constant">456]</span>
-<span id="L1869" class="LineNr">1869 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1869" class="LineNr">1869 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1870" class="LineNr">1870 </span>  <span class="Comment"># start past end of line</span>
 <span id="L1871" class="LineNr">1871 </span>  assume-console [
 <span id="L1872" class="LineNr">1872 </span>    left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span>
 <span id="L1873" class="LineNr">1873 </span>    press ctrl-k
 <span id="L1874" class="LineNr">1874 </span>  ]
 <span id="L1875" class="LineNr">1875 </span>  run [
-<span id="L1876" class="LineNr">1876 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1876" class="LineNr">1876 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1877" class="LineNr">1877 </span>  ]
 <span id="L1878" class="LineNr">1878 </span>  <span class="Comment"># cursor deletes nothing</span>
 <span id="L1879" class="LineNr">1879 </span>  screen-should-contain [
@@ -1948,14 +1948,14 @@ if ('onhashchange' in window) {
 <span id="L1890" class="LineNr">1890 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1891" class="LineNr">1891 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1892" class="LineNr">1892 </span><span class="Constant">456]</span>
-<span id="L1893" class="LineNr">1893 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1893" class="LineNr">1893 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1894" class="LineNr">1894 </span>  <span class="Comment"># start at end of text</span>
 <span id="L1895" class="LineNr">1895 </span>  assume-console [
 <span id="L1896" class="LineNr">1896 </span>    left-click<span class="Constant"> 2</span>,<span class="Constant"> 2</span>
 <span id="L1897" class="LineNr">1897 </span>    press ctrl-k
 <span id="L1898" class="LineNr">1898 </span>  ]
 <span id="L1899" class="LineNr">1899 </span>  run [
-<span id="L1900" class="LineNr">1900 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1900" class="LineNr">1900 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1901" class="LineNr">1901 </span>  ]
 <span id="L1902" class="LineNr">1902 </span>  <span class="Comment"># cursor deletes just the final character</span>
 <span id="L1903" class="LineNr">1903 </span>  screen-should-contain [
@@ -1972,14 +1972,14 @@ if ('onhashchange' in window) {
 <span id="L1914" class="LineNr">1914 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L1915" class="LineNr">1915 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[123</span>
 <span id="L1916" class="LineNr">1916 </span><span class="Constant">456]</span>
-<span id="L1917" class="LineNr">1917 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1917" class="LineNr">1917 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
 <span id="L1918" class="LineNr">1918 </span>  <span class="Comment"># start past end of text</span>
 <span id="L1919" class="LineNr">1919 </span>  assume-console [
 <span id="L1920" class="LineNr">1920 </span>    left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span>
 <span id="L1921" class="LineNr">1921 </span>    press ctrl-k
 <span id="L1922" class="LineNr">1922 </span>  ]
 <span id="L1923" class="LineNr">1923 </span>  run [
-<span id="L1924" class="LineNr">1924 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1924" class="LineNr">1924 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1925" class="LineNr">1925 </span>  ]
 <span id="L1926" class="LineNr">1926 </span>  <span class="Comment"># cursor deletes nothing</span>
 <span id="L1927" class="LineNr">1927 </span>  screen-should-contain [
@@ -2002,8 +2002,8 @@ if ('onhashchange' in window) {
 <span id="L1944" class="LineNr">1944 </span><span class="Constant">b</span>
 <span id="L1945" class="LineNr">1945 </span><span class="Constant">c</span>
 <span id="L1946" class="LineNr">1946 </span><span class="Constant">d]</span>
-<span id="L1947" class="LineNr">1947 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L1948" class="LineNr">1948 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L1947" class="LineNr">1947 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L1948" class="LineNr">1948 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L1949" class="LineNr">1949 </span>  screen-should-contain [
 <span id="L1950" class="LineNr">1950 </span>   <span class="Constant"> .          .</span>
 <span id="L1951" class="LineNr">1951 </span>   <span class="Constant"> .a         .</span>
@@ -2016,7 +2016,7 @@ if ('onhashchange' in window) {
 <span id="L1958" class="LineNr">1958 </span>    press down-arrow
 <span id="L1959" class="LineNr">1959 </span>  ]
 <span id="L1960" class="LineNr">1960 </span>  run [
-<span id="L1961" class="LineNr">1961 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L1961" class="LineNr">1961 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L1962" class="LineNr">1962 </span>  ]
 <span id="L1963" class="LineNr">1963 </span>  <span class="Comment"># screen slides by one line</span>
 <span id="L1964" class="LineNr">1964 </span>  screen-should-contain [
@@ -2034,7 +2034,7 @@ if ('onhashchange' in window) {
 <span id="L1976" class="LineNr">1976 </span>  right:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">right:offset</span>
 <span id="L1977" class="LineNr">1977 </span>  max:num <span class="Special">&lt;-</span> subtract right, left
 <span id="L1978" class="LineNr">1978 </span>  old-top:&amp;:duplex-list:char <span class="Special">&lt;-</span> copy top-of-screen
-<span id="L1979" class="LineNr">1979 </span>  top-of-screen <span class="Special">&lt;-</span> before-start-of-next-line top-of-screen, max
+<span id="L1979" class="LineNr">1979 </span>  top-of-screen <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L1988'>before-start-of-next-line</a> top-of-screen, max
 <span id="L1980" class="LineNr">1980 </span>  *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen
 <span id="L1981" class="LineNr">1981 </span>  no-movement?:bool <span class="Special">&lt;-</span> equal old-top, top-of-screen
 <span id="L1982" class="LineNr">1982 </span>  <span class="muControl">return-if</span> no-movement?, <span class="Constant">0/don't-render</span>
@@ -2043,7 +2043,7 @@ if ('onhashchange' in window) {
 <span id="L1985" class="LineNr">1985 </span><span class="Comment"># takes a pointer into the doubly-linked list, scans ahead at most 'max'</span>
 <span id="L1986" class="LineNr">1986 </span><span class="Comment"># positions until the next newline</span>
 <span id="L1987" class="LineNr">1987 </span><span class="Comment"># beware: never return null pointer.</span>
-<span id="L1988" class="LineNr">1988 </span><span class="muRecipe">def</span> before-start-of-next-line original:&amp;:duplex-list:char, max:num<span class="muRecipe"> -&gt; </span>curr:&amp;:duplex-list:char [
+<span id="L1988" class="LineNr">1988 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1988'>before-start-of-next-line</a> original:&amp;:duplex-list:char, max:num<span class="muRecipe"> -&gt; </span>curr:&amp;:duplex-list:char [
 <span id="L1989" class="LineNr">1989 </span>  <span class="Constant">local-scope</span>
 <span id="L1990" class="LineNr">1990 </span>  <span class="Constant">load-ingredients</span>
 <span id="L1991" class="LineNr">1991 </span>  count:num <span class="Special">&lt;-</span> copy<span class="Constant"> 0</span>
@@ -2053,7 +2053,7 @@ if ('onhashchange' in window) {
 <span id="L1995" class="LineNr">1995 </span>    c:char <span class="Special">&lt;-</span> get *curr, <span class="Constant">value:offset</span>
 <span id="L1996" class="LineNr">1996 </span>    at-newline?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">10/newline</span>
 <span id="L1997" class="LineNr">1997 </span>    <span class="muControl">break-unless</span> at-newline?
-<span id="L1998" class="LineNr">1998 </span>    curr <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> curr
+<span id="L1998" class="LineNr">1998 </span>    curr <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> curr
 <span id="L1999" class="LineNr">1999 </span>    count <span class="Special">&lt;-</span> add count,<span class="Constant"> 1</span>
 <span id="L2000" class="LineNr">2000 </span>  <span class="Delimiter">}</span>
 <span id="L2001" class="LineNr">2001 </span>  <span class="Delimiter">{</span>
@@ -2063,7 +2063,7 @@ if ('onhashchange' in window) {
 <span id="L2005" class="LineNr">2005 </span>    c:char <span class="Special">&lt;-</span> get *curr, <span class="Constant">value:offset</span>
 <span id="L2006" class="LineNr">2006 </span>    at-newline?:bool <span class="Special">&lt;-</span> equal c, <span class="Constant">10/newline</span>
 <span id="L2007" class="LineNr">2007 </span>    <span class="muControl">break-if</span> at-newline?
-<span id="L2008" class="LineNr">2008 </span>    curr <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L29'>next</a> curr
+<span id="L2008" class="LineNr">2008 </span>    curr <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L29'>next</a> curr
 <span id="L2009" class="LineNr">2009 </span>    count <span class="Special">&lt;-</span> add count,<span class="Constant"> 1</span>
 <span id="L2010" class="LineNr">2010 </span>    <span class="muControl">loop</span>
 <span id="L2011" class="LineNr">2011 </span>  <span class="Delimiter">}</span>
@@ -2081,8 +2081,8 @@ if ('onhashchange' in window) {
 <span id="L2023" class="LineNr">2023 </span><span class="Constant">g</span>
 <span id="L2024" class="LineNr">2024 </span><span class="Constant">h</span>
 <span id="L2025" class="LineNr">2025 </span><span class="Constant">i]</span>
-<span id="L2026" class="LineNr">2026 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L2027" class="LineNr">2027 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2026" class="LineNr">2026 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2027" class="LineNr">2027 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2028" class="LineNr">2028 </span>  screen-should-contain [
 <span id="L2029" class="LineNr">2029 </span>   <span class="Constant"> .          .</span>
 <span id="L2030" class="LineNr">2030 </span>   <span class="Constant"> .abcd↩     .</span>
@@ -2095,7 +2095,7 @@ if ('onhashchange' in window) {
 <span id="L2037" class="LineNr">2037 </span>    press down-arrow
 <span id="L2038" class="LineNr">2038 </span>  ]
 <span id="L2039" class="LineNr">2039 </span>  run [
-<span id="L2040" class="LineNr">2040 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2040" class="LineNr">2040 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2041" class="LineNr">2041 </span>  ]
 <span id="L2042" class="LineNr">2042 </span>  <span class="Comment"># screen shows partial wrapped line</span>
 <span id="L2043" class="LineNr">2043 </span>  screen-should-contain [
@@ -2115,14 +2115,14 @@ if ('onhashchange' in window) {
 <span id="L2057" class="LineNr">2057 </span><span class="Constant">k</span>
 <span id="L2058" class="LineNr">2058 </span><span class="Constant">l</span>
 <span id="L2059" class="LineNr">2059 </span><span class="Constant">m]</span>
-<span id="L2060" class="LineNr">2060 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2060" class="LineNr">2060 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
 <span id="L2061" class="LineNr">2061 </span>  <span class="Comment"># position cursor at last line, then try to move further down</span>
 <span id="L2062" class="LineNr">2062 </span>  assume-console [
 <span id="L2063" class="LineNr">2063 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
 <span id="L2064" class="LineNr">2064 </span>    press down-arrow
 <span id="L2065" class="LineNr">2065 </span>  ]
 <span id="L2066" class="LineNr">2066 </span>  run [
-<span id="L2067" class="LineNr">2067 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2067" class="LineNr">2067 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2068" class="LineNr">2068 </span>  ]
 <span id="L2069" class="LineNr">2069 </span>  <span class="Comment"># screen shows partial wrapped line containing a wrap icon</span>
 <span id="L2070" class="LineNr">2070 </span>  screen-should-contain [
@@ -2136,7 +2136,7 @@ if ('onhashchange' in window) {
 <span id="L2078" class="LineNr">2078 </span>    press down-arrow
 <span id="L2079" class="LineNr">2079 </span>  ]
 <span id="L2080" class="LineNr">2080 </span>  run [
-<span id="L2081" class="LineNr">2081 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2081" class="LineNr">2081 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2082" class="LineNr">2082 </span>  ]
 <span id="L2083" class="LineNr">2083 </span>  <span class="Comment"># screen shows partial wrapped line</span>
 <span id="L2084" class="LineNr">2084 </span>  screen-should-contain [
@@ -2155,14 +2155,14 @@ if ('onhashchange' in window) {
 <span id="L2097" class="LineNr">2097 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[a</span>
 <span id="L2098" class="LineNr">2098 </span><span class="Constant">b</span>
 <span id="L2099" class="LineNr">2099 </span><span class="Constant">cdef]</span>
-<span id="L2100" class="LineNr">2100 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2100" class="LineNr">2100 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
 <span id="L2101" class="LineNr">2101 </span>  <span class="Comment"># position cursor at end, type a character</span>
 <span id="L2102" class="LineNr">2102 </span>  assume-console [
 <span id="L2103" class="LineNr">2103 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span>
 <span id="L2104" class="LineNr">2104 </span>    type <span class="Constant">[g]</span>
 <span id="L2105" class="LineNr">2105 </span>  ]
 <span id="L2106" class="LineNr">2106 </span>  run [
-<span id="L2107" class="LineNr">2107 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2107" class="LineNr">2107 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2108" class="LineNr">2108 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L2109" class="LineNr">2109 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L2110" class="LineNr">2110 </span>  ]
@@ -2186,14 +2186,14 @@ if ('onhashchange' in window) {
 <span id="L2128" class="LineNr">2128 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[a</span>
 <span id="L2129" class="LineNr">2129 </span><span class="Constant">b</span>
 <span id="L2130" class="LineNr">2130 </span><span class="Constant">c]</span>
-<span id="L2131" class="LineNr">2131 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2131" class="LineNr">2131 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
 <span id="L2132" class="LineNr">2132 </span>  assume-console [
 <span id="L2133" class="LineNr">2133 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span>
 <span id="L2134" class="LineNr">2134 </span>    type [
 <span id="L2135" class="LineNr">2135 </span>]
 <span id="L2136" class="LineNr">2136 </span>  ]
 <span id="L2137" class="LineNr">2137 </span>  run [
-<span id="L2138" class="LineNr">2138 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2138" class="LineNr">2138 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2139" class="LineNr">2139 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L2140" class="LineNr">2140 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L2141" class="LineNr">2141 </span>  ]
@@ -2218,14 +2218,14 @@ if ('onhashchange' in window) {
 <span id="L2160" class="LineNr">2160 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[a</span>
 <span id="L2161" class="LineNr">2161 </span><span class="Constant">b</span>
 <span id="L2162" class="LineNr">2162 </span><span class="Constant">cdefgh]</span>
-<span id="L2163" class="LineNr">2163 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2163" class="LineNr">2163 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
 <span id="L2164" class="LineNr">2164 </span>  <span class="Comment"># position cursor at end of screen and try to move right</span>
 <span id="L2165" class="LineNr">2165 </span>  assume-console [
 <span id="L2166" class="LineNr">2166 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span>
 <span id="L2167" class="LineNr">2167 </span>    press right-arrow
 <span id="L2168" class="LineNr">2168 </span>  ]
 <span id="L2169" class="LineNr">2169 </span>  run [
-<span id="L2170" class="LineNr">2170 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2170" class="LineNr">2170 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2171" class="LineNr">2171 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L2172" class="LineNr">2172 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L2173" class="LineNr">2173 </span>  ]
@@ -2251,14 +2251,14 @@ if ('onhashchange' in window) {
 <span id="L2193" class="LineNr">2193 </span><span class="Constant">b</span>
 <span id="L2194" class="LineNr">2194 </span><span class="Constant">c</span>
 <span id="L2195" class="LineNr">2195 </span><span class="Constant">d]</span>
-<span id="L2196" class="LineNr">2196 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2196" class="LineNr">2196 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
 <span id="L2197" class="LineNr">2197 </span>  <span class="Comment"># position cursor at end of screen and try to move right</span>
 <span id="L2198" class="LineNr">2198 </span>  assume-console [
 <span id="L2199" class="LineNr">2199 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span>
 <span id="L2200" class="LineNr">2200 </span>    press right-arrow
 <span id="L2201" class="LineNr">2201 </span>  ]
 <span id="L2202" class="LineNr">2202 </span>  run [
-<span id="L2203" class="LineNr">2203 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2203" class="LineNr">2203 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2204" class="LineNr">2204 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L2205" class="LineNr">2205 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L2206" class="LineNr">2206 </span>  ]
@@ -2280,8 +2280,8 @@ if ('onhashchange' in window) {
 <span id="L2222" class="LineNr">2222 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span>
 <span id="L2223" class="LineNr">2223 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[abc</span>
 <span id="L2224" class="LineNr">2224 </span><span class="Constant">de]</span>
-<span id="L2225" class="LineNr">2225 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L2226" class="LineNr">2226 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2225" class="LineNr">2225 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L2226" class="LineNr">2226 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2227" class="LineNr">2227 </span>  $clear-trace
 <span id="L2228" class="LineNr">2228 </span>  <span class="Comment"># try to move down past end of text</span>
 <span id="L2229" class="LineNr">2229 </span>  assume-console [
@@ -2289,7 +2289,7 @@ if ('onhashchange' in window) {
 <span id="L2231" class="LineNr">2231 </span>    press down-arrow
 <span id="L2232" class="LineNr">2232 </span>  ]
 <span id="L2233" class="LineNr">2233 </span>  run [
-<span id="L2234" class="LineNr">2234 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2234" class="LineNr">2234 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2235" class="LineNr">2235 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L2236" class="LineNr">2236 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L2237" class="LineNr">2237 </span>  ]
@@ -2302,7 +2302,7 @@ if ('onhashchange' in window) {
 <span id="L2244" class="LineNr">2244 </span>    type <span class="Constant">[0]</span>
 <span id="L2245" class="LineNr">2245 </span>  ]
 <span id="L2246" class="LineNr">2246 </span>  run [
-<span id="L2247" class="LineNr">2247 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2247" class="LineNr">2247 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2248" class="LineNr">2248 </span>  ]
 <span id="L2249" class="LineNr">2249 </span>  screen-should-contain [
 <span id="L2250" class="LineNr">2250 </span>   <span class="Constant"> .          .</span>
@@ -2317,7 +2317,7 @@ if ('onhashchange' in window) {
 <span id="L2259" class="LineNr">2259 </span>    press down-arrow
 <span id="L2260" class="LineNr">2260 </span>  ]
 <span id="L2261" class="LineNr">2261 </span>  run [
-<span id="L2262" class="LineNr">2262 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2262" class="LineNr">2262 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2263" class="LineNr">2263 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L2264" class="LineNr">2264 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L2265" class="LineNr">2265 </span>  ]
@@ -2331,7 +2331,7 @@ if ('onhashchange' in window) {
 <span id="L2273" class="LineNr">2273 </span>    type <span class="Constant">[1]</span>
 <span id="L2274" class="LineNr">2274 </span>  ]
 <span id="L2275" class="LineNr">2275 </span>  run [
-<span id="L2276" class="LineNr">2276 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2276" class="LineNr">2276 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2277" class="LineNr">2277 </span>  ]
 <span id="L2278" class="LineNr">2278 </span>  screen-should-contain [
 <span id="L2279" class="LineNr">2279 </span>   <span class="Constant"> .          .</span>
@@ -2353,16 +2353,16 @@ if ('onhashchange' in window) {
 <span id="L2295" class="LineNr">2295 </span><span class="Constant">e</span>
 <span id="L2296" class="LineNr">2296 </span><span class="Constant">f</span>
 <span id="L2297" class="LineNr">2297 </span><span class="Constant">g]</span>
-<span id="L2298" class="LineNr">2298 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L2299" class="LineNr">2299 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2298" class="LineNr">2298 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2299" class="LineNr">2299 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2300" class="LineNr">2300 </span>  <span class="Comment"># scroll down one page and one line</span>
 <span id="L2301" class="LineNr">2301 </span>  assume-console [
-<span id="L2302" class="LineNr">2302 </span>    press page-down
+<span id="L2302" class="LineNr">2302 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2303" class="LineNr">2303 </span>    left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
 <span id="L2304" class="LineNr">2304 </span>    press down-arrow
 <span id="L2305" class="LineNr">2305 </span>  ]
 <span id="L2306" class="LineNr">2306 </span>  run [
-<span id="L2307" class="LineNr">2307 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2307" class="LineNr">2307 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2308" class="LineNr">2308 </span>  ]
 <span id="L2309" class="LineNr">2309 </span>  <span class="Comment"># screen scrolls down 3 lines</span>
 <span id="L2310" class="LineNr">2310 </span>  screen-should-contain [
@@ -2384,8 +2384,8 @@ if ('onhashchange' in window) {
 <span id="L2326" class="LineNr">2326 </span><span class="Constant">b</span>
 <span id="L2327" class="LineNr">2327 </span><span class="Constant">c</span>
 <span id="L2328" class="LineNr">2328 </span><span class="Constant">d]</span>
-<span id="L2329" class="LineNr">2329 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L2330" class="LineNr">2330 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2329" class="LineNr">2329 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L2330" class="LineNr">2330 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2331" class="LineNr">2331 </span>  screen-should-contain [
 <span id="L2332" class="LineNr">2332 </span>   <span class="Constant"> .          .</span>
 <span id="L2333" class="LineNr">2333 </span>   <span class="Constant"> .a         .</span>
@@ -2394,11 +2394,11 @@ if ('onhashchange' in window) {
 <span id="L2336" class="LineNr">2336 </span>  ]
 <span id="L2337" class="LineNr">2337 </span>  <span class="Comment"># position cursor at top of second page, then try to move up</span>
 <span id="L2338" class="LineNr">2338 </span>  assume-console [
-<span id="L2339" class="LineNr">2339 </span>    press page-down
+<span id="L2339" class="LineNr">2339 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2340" class="LineNr">2340 </span>    press up-arrow
 <span id="L2341" class="LineNr">2341 </span>  ]
 <span id="L2342" class="LineNr">2342 </span>  run [
-<span id="L2343" class="LineNr">2343 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2343" class="LineNr">2343 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2344" class="LineNr">2344 </span>  ]
 <span id="L2345" class="LineNr">2345 </span>  <span class="Comment"># screen slides by one line</span>
 <span id="L2346" class="LineNr">2346 </span>  screen-should-contain [
@@ -2413,7 +2413,7 @@ if ('onhashchange' in window) {
 <span id="L2355" class="LineNr">2355 </span>  trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[scroll up]</span>
 <span id="L2356" class="LineNr">2356 </span>  top-of-screen:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
 <span id="L2357" class="LineNr">2357 </span>  old-top:&amp;:duplex-list:char <span class="Special">&lt;-</span> copy top-of-screen
-<span id="L2358" class="LineNr">2358 </span>  top-of-screen <span class="Special">&lt;-</span> before-previous-line top-of-screen, editor
+<span id="L2358" class="LineNr">2358 </span>  top-of-screen <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L2367'>before-previous-line</a> top-of-screen, editor
 <span id="L2359" class="LineNr">2359 </span>  *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen
 <span id="L2360" class="LineNr">2360 </span>  no-movement?:bool <span class="Special">&lt;-</span> equal old-top, top-of-screen
 <span id="L2361" class="LineNr">2361 </span>  <span class="muControl">return-if</span> no-movement?, <span class="Constant">0/don't-render</span>
@@ -2422,7 +2422,7 @@ if ('onhashchange' in window) {
 <span id="L2364" class="LineNr">2364 </span><span class="Comment"># takes a pointer into the doubly-linked list, scans back to before start of</span>
 <span id="L2365" class="LineNr">2365 </span><span class="Comment"># previous *wrapped* line</span>
 <span id="L2366" class="LineNr">2366 </span><span class="Comment"># beware: never return null pointer</span>
-<span id="L2367" class="LineNr">2367 </span><span class="muRecipe">def</span> before-previous-line in:&amp;:duplex-list:char, editor:&amp;:editor<span class="muRecipe"> -&gt; </span>out:&amp;:duplex-list:char [
+<span id="L2367" class="LineNr">2367 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2367'>before-previous-line</a> in:&amp;:duplex-list:char, editor:&amp;:editor<span class="muRecipe"> -&gt; </span>out:&amp;:duplex-list:char [
 <span id="L2368" class="LineNr">2368 </span>  <span class="Constant">local-scope</span>
 <span id="L2369" class="LineNr">2369 </span>  <span class="Constant">load-ingredients</span>
 <span id="L2370" class="LineNr">2370 </span>  curr:&amp;:duplex-list:char <span class="Special">&lt;-</span> copy in
@@ -2434,13 +2434,13 @@ if ('onhashchange' in window) {
 <span id="L2376" class="LineNr">2376 </span>  right:num <span class="Special">&lt;-</span> get *editor, <span class="Constant">right:offset</span>
 <span id="L2377" class="LineNr">2377 </span>  max-line-length:num <span class="Special">&lt;-</span> subtract right, left, <span class="Constant">-1/exclusive-right</span>, <span class="Constant">1/wrap-icon</span>
 <span id="L2378" class="LineNr">2378 </span>  sentinel:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">data:offset</span>
-<span id="L2379" class="LineNr">2379 </span>  len:num <span class="Special">&lt;-</span> previous-line-length curr, sentinel
+<span id="L2379" class="LineNr">2379 </span>  len:num <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L193'>previous-line-length</a> curr, sentinel
 <span id="L2380" class="LineNr">2380 </span>  <span class="Delimiter">{</span>
 <span id="L2381" class="LineNr">2381 </span>    <span class="muControl">break-if</span> len
 <span id="L2382" class="LineNr">2382 </span>    <span class="Comment"># empty line; just skip this newline</span>
-<span id="L2383" class="LineNr">2383 </span>    <a href='065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> curr
-<span id="L2384" class="LineNr">2384 </span>    <span class="muControl">return-unless</span> <a href='065duplex_list.mu.html#L36'>prev</a>, curr
-<span id="L2385" class="LineNr">2385 </span>    <span class="muControl">return</span> <a href='065duplex_list.mu.html#L36'>prev</a>
+<span id="L2383" class="LineNr">2383 </span>    <a href='../065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> curr
+<span id="L2384" class="LineNr">2384 </span>    <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L36'>prev</a>, curr
+<span id="L2385" class="LineNr">2385 </span>    <span class="muControl">return</span> <a href='../065duplex_list.mu.html#L36'>prev</a>
 <span id="L2386" class="LineNr">2386 </span>  <span class="Delimiter">}</span>
 <span id="L2387" class="LineNr">2387 </span>  _, max:num <span class="Special">&lt;-</span> divide-with-remainder len, max-line-length
 <span id="L2388" class="LineNr">2388 </span>  <span class="Comment"># remainder 0 =&gt; scan one width-worth</span>
@@ -2454,9 +2454,9 @@ if ('onhashchange' in window) {
 <span id="L2396" class="LineNr">2396 </span>  <span class="Delimiter">{</span>
 <span id="L2397" class="LineNr">2397 </span>    done?:bool <span class="Special">&lt;-</span> greater-or-equal count, max
 <span id="L2398" class="LineNr">2398 </span>    <span class="muControl">break-if</span> done?
-<span id="L2399" class="LineNr">2399 </span>    <a href='065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> curr
-<span id="L2400" class="LineNr">2400 </span>    <span class="muControl">break-unless</span> <a href='065duplex_list.mu.html#L36'>prev</a>
-<span id="L2401" class="LineNr">2401 </span>    curr <span class="Special">&lt;-</span> copy <a href='065duplex_list.mu.html#L36'>prev</a>
+<span id="L2399" class="LineNr">2399 </span>    <a href='../065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> curr
+<span id="L2400" class="LineNr">2400 </span>    <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L36'>prev</a>
+<span id="L2401" class="LineNr">2401 </span>    curr <span class="Special">&lt;-</span> copy <a href='../065duplex_list.mu.html#L36'>prev</a>
 <span id="L2402" class="LineNr">2402 </span>    count <span class="Special">&lt;-</span> add count,<span class="Constant"> 1</span>
 <span id="L2403" class="LineNr">2403 </span>    <span class="muControl">loop</span>
 <span id="L2404" class="LineNr">2404 </span>  <span class="Delimiter">}</span>
@@ -2473,8 +2473,8 @@ if ('onhashchange' in window) {
 <span id="L2415" class="LineNr">2415 </span><span class="Constant">g</span>
 <span id="L2416" class="LineNr">2416 </span><span class="Constant">h</span>
 <span id="L2417" class="LineNr">2417 </span><span class="Constant">i]</span>
-<span id="L2418" class="LineNr">2418 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L2419" class="LineNr">2419 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2418" class="LineNr">2418 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2419" class="LineNr">2419 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2420" class="LineNr">2420 </span>  screen-should-contain [
 <span id="L2421" class="LineNr">2421 </span>   <span class="Constant"> .          .</span>
 <span id="L2422" class="LineNr">2422 </span>   <span class="Constant"> .abcd↩     .</span>
@@ -2483,10 +2483,10 @@ if ('onhashchange' in window) {
 <span id="L2425" class="LineNr">2425 </span>  ]
 <span id="L2426" class="LineNr">2426 </span>  <span class="Comment"># position cursor at top of second page, just below wrapped line</span>
 <span id="L2427" class="LineNr">2427 </span>  assume-console [
-<span id="L2428" class="LineNr">2428 </span>    press page-down
+<span id="L2428" class="LineNr">2428 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2429" class="LineNr">2429 </span>  ]
 <span id="L2430" class="LineNr">2430 </span>  run [
-<span id="L2431" class="LineNr">2431 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2431" class="LineNr">2431 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2432" class="LineNr">2432 </span>  ]
 <span id="L2433" class="LineNr">2433 </span>  screen-should-contain [
 <span id="L2434" class="LineNr">2434 </span>   <span class="Constant"> .          .</span>
@@ -2499,7 +2499,7 @@ if ('onhashchange' in window) {
 <span id="L2441" class="LineNr">2441 </span>    press up-arrow
 <span id="L2442" class="LineNr">2442 </span>  ]
 <span id="L2443" class="LineNr">2443 </span>  run [
-<span id="L2444" class="LineNr">2444 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2444" class="LineNr">2444 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2445" class="LineNr">2445 </span>  ]
 <span id="L2446" class="LineNr">2446 </span>  <span class="Comment"># screen shows partial wrapped line</span>
 <span id="L2447" class="LineNr">2447 </span>  screen-should-contain [
@@ -2519,14 +2519,14 @@ if ('onhashchange' in window) {
 <span id="L2461" class="LineNr">2461 </span><span class="Constant">k</span>
 <span id="L2462" class="LineNr">2462 </span><span class="Constant">l</span>
 <span id="L2463" class="LineNr">2463 </span><span class="Constant">m]</span>
-<span id="L2464" class="LineNr">2464 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L2465" class="LineNr">2465 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2464" class="LineNr">2464 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2465" class="LineNr">2465 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2466" class="LineNr">2466 </span>  <span class="Comment"># position cursor at top of second page</span>
 <span id="L2467" class="LineNr">2467 </span>  assume-console [
-<span id="L2468" class="LineNr">2468 </span>    press page-down
+<span id="L2468" class="LineNr">2468 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2469" class="LineNr">2469 </span>  ]
 <span id="L2470" class="LineNr">2470 </span>  run [
-<span id="L2471" class="LineNr">2471 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2471" class="LineNr">2471 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2472" class="LineNr">2472 </span>  ]
 <span id="L2473" class="LineNr">2473 </span>  screen-should-contain [
 <span id="L2474" class="LineNr">2474 </span>   <span class="Constant"> .          .</span>
@@ -2540,7 +2540,7 @@ if ('onhashchange' in window) {
 <span id="L2482" class="LineNr">2482 </span>    press up-arrow
 <span id="L2483" class="LineNr">2483 </span>  ]
 <span id="L2484" class="LineNr">2484 </span>  run [
-<span id="L2485" class="LineNr">2485 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2485" class="LineNr">2485 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2486" class="LineNr">2486 </span>  ]
 <span id="L2487" class="LineNr">2487 </span>  <span class="Comment"># screen shows partial wrapped line</span>
 <span id="L2488" class="LineNr">2488 </span>  screen-should-contain [
@@ -2555,7 +2555,7 @@ if ('onhashchange' in window) {
 <span id="L2497" class="LineNr">2497 </span>    press up-arrow
 <span id="L2498" class="LineNr">2498 </span>  ]
 <span id="L2499" class="LineNr">2499 </span>  run [
-<span id="L2500" class="LineNr">2500 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2500" class="LineNr">2500 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2501" class="LineNr">2501 </span>  ]
 <span id="L2502" class="LineNr">2502 </span>  <span class="Comment"># screen shows partial wrapped line</span>
 <span id="L2503" class="LineNr">2503 </span>  screen-should-contain [
@@ -2570,7 +2570,7 @@ if ('onhashchange' in window) {
 <span id="L2512" class="LineNr">2512 </span>    press up-arrow
 <span id="L2513" class="LineNr">2513 </span>  ]
 <span id="L2514" class="LineNr">2514 </span>  run [
-<span id="L2515" class="LineNr">2515 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2515" class="LineNr">2515 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2516" class="LineNr">2516 </span>  ]
 <span id="L2517" class="LineNr">2517 </span>  <span class="Comment"># screen shows partial wrapped line</span>
 <span id="L2518" class="LineNr">2518 </span>  screen-should-contain [
@@ -2594,8 +2594,8 @@ if ('onhashchange' in window) {
 <span id="L2536" class="LineNr">2536 </span><span class="Constant">g</span>
 <span id="L2537" class="LineNr">2537 </span><span class="Constant">h</span>
 <span id="L2538" class="LineNr">2538 </span><span class="Constant">i]</span>
-<span id="L2539" class="LineNr">2539 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span>
-<span id="L2540" class="LineNr">2540 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2539" class="LineNr">2539 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span>
+<span id="L2540" class="LineNr">2540 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2541" class="LineNr">2541 </span>  screen-should-contain [
 <span id="L2542" class="LineNr">2542 </span>   <span class="Constant"> .          .</span>
 <span id="L2543" class="LineNr">2543 </span>   <span class="Constant"> .abcde↩    .</span>
@@ -2604,10 +2604,10 @@ if ('onhashchange' in window) {
 <span id="L2546" class="LineNr">2546 </span>  ]
 <span id="L2547" class="LineNr">2547 </span>  <span class="Comment"># position cursor at top of second page, just below wrapped line</span>
 <span id="L2548" class="LineNr">2548 </span>  assume-console [
-<span id="L2549" class="LineNr">2549 </span>    press page-down
+<span id="L2549" class="LineNr">2549 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2550" class="LineNr">2550 </span>  ]
 <span id="L2551" class="LineNr">2551 </span>  run [
-<span id="L2552" class="LineNr">2552 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2552" class="LineNr">2552 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2553" class="LineNr">2553 </span>  ]
 <span id="L2554" class="LineNr">2554 </span>  screen-should-contain [
 <span id="L2555" class="LineNr">2555 </span>   <span class="Constant"> .          .</span>
@@ -2620,7 +2620,7 @@ if ('onhashchange' in window) {
 <span id="L2562" class="LineNr">2562 </span>    press up-arrow
 <span id="L2563" class="LineNr">2563 </span>  ]
 <span id="L2564" class="LineNr">2564 </span>  run [
-<span id="L2565" class="LineNr">2565 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2565" class="LineNr">2565 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2566" class="LineNr">2566 </span>  ]
 <span id="L2567" class="LineNr">2567 </span>  <span class="Comment"># screen shows partial wrapped line</span>
 <span id="L2568" class="LineNr">2568 </span>  screen-should-contain [
@@ -2642,13 +2642,13 @@ if ('onhashchange' in window) {
 <span id="L2584" class="LineNr">2584 </span>c
 <span id="L2585" class="LineNr">2585 </span>d
 <span id="L2586" class="LineNr">2586 </span>e]
-<span id="L2587" class="LineNr">2587 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span>
-<span id="L2588" class="LineNr">2588 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2587" class="LineNr">2587 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span>
+<span id="L2588" class="LineNr">2588 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2589" class="LineNr">2589 </span>  assume-console [
-<span id="L2590" class="LineNr">2590 </span>    press page-down
+<span id="L2590" class="LineNr">2590 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2591" class="LineNr">2591 </span>  ]
 <span id="L2592" class="LineNr">2592 </span>  run [
-<span id="L2593" class="LineNr">2593 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2593" class="LineNr">2593 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2594" class="LineNr">2594 </span>  ]
 <span id="L2595" class="LineNr">2595 </span>  screen-should-contain [
 <span id="L2596" class="LineNr">2596 </span>   <span class="Constant"> .          .</span>
@@ -2657,10 +2657,10 @@ if ('onhashchange' in window) {
 <span id="L2599" class="LineNr">2599 </span>   <span class="Constant"> .d         .</span>
 <span id="L2600" class="LineNr">2600 </span>  ]
 <span id="L2601" class="LineNr">2601 </span>  assume-console [
-<span id="L2602" class="LineNr">2602 </span>    press page-down
+<span id="L2602" class="LineNr">2602 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2603" class="LineNr">2603 </span>  ]
 <span id="L2604" class="LineNr">2604 </span>  run [
-<span id="L2605" class="LineNr">2605 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2605" class="LineNr">2605 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2606" class="LineNr">2606 </span>  ]
 <span id="L2607" class="LineNr">2607 </span>  screen-should-contain [
 <span id="L2608" class="LineNr">2608 </span>   <span class="Constant"> .          .</span>
@@ -2669,10 +2669,10 @@ if ('onhashchange' in window) {
 <span id="L2611" class="LineNr">2611 </span>   <span class="Constant"> .╌╌╌╌╌╌    .</span>
 <span id="L2612" class="LineNr">2612 </span>  ]
 <span id="L2613" class="LineNr">2613 </span>  assume-console [
-<span id="L2614" class="LineNr">2614 </span>    press page-up
+<span id="L2614" class="LineNr">2614 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L2615" class="LineNr">2615 </span>  ]
 <span id="L2616" class="LineNr">2616 </span>  run [
-<span id="L2617" class="LineNr">2617 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2617" class="LineNr">2617 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2618" class="LineNr">2618 </span>  ]
 <span id="L2619" class="LineNr">2619 </span>  screen-should-contain [
 <span id="L2620" class="LineNr">2620 </span>   <span class="Constant"> .          .</span>
@@ -2692,14 +2692,14 @@ if ('onhashchange' in window) {
 <span id="L2634" class="LineNr">2634 </span><span class="Constant">c</span>
 <span id="L2635" class="LineNr">2635 </span><span class="Constant">d</span>
 <span id="L2636" class="LineNr">2636 </span><span class="Constant">e]</span>
-<span id="L2637" class="LineNr">2637 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
-<span id="L2638" class="LineNr">2638 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2637" class="LineNr">2637 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span>
+<span id="L2638" class="LineNr">2638 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2639" class="LineNr">2639 </span>  <span class="Comment"># position cursor at top of second page</span>
 <span id="L2640" class="LineNr">2640 </span>  assume-console [
-<span id="L2641" class="LineNr">2641 </span>    press page-down
+<span id="L2641" class="LineNr">2641 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2642" class="LineNr">2642 </span>  ]
 <span id="L2643" class="LineNr">2643 </span>  run [
-<span id="L2644" class="LineNr">2644 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2644" class="LineNr">2644 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2645" class="LineNr">2645 </span>  ]
 <span id="L2646" class="LineNr">2646 </span>  screen-should-contain [
 <span id="L2647" class="LineNr">2647 </span>   <span class="Constant"> .     .</span>
@@ -2712,7 +2712,7 @@ if ('onhashchange' in window) {
 <span id="L2654" class="LineNr">2654 </span>    press left-arrow
 <span id="L2655" class="LineNr">2655 </span>  ]
 <span id="L2656" class="LineNr">2656 </span>  run [
-<span id="L2657" class="LineNr">2657 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2657" class="LineNr">2657 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2658" class="LineNr">2658 </span>    3:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-row:offset</span>
 <span id="L2659" class="LineNr">2659 </span>    4:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> get *e, <span class="Constant">cursor-column:offset</span>
 <span id="L2660" class="LineNr">2660 </span>  ]
@@ -2738,8 +2738,8 @@ if ('onhashchange' in window) {
 <span id="L2680" class="LineNr">2680 </span><span class="Constant">b</span>
 <span id="L2681" class="LineNr">2681 </span><span class="Constant">c</span>
 <span id="L2682" class="LineNr">2682 </span><span class="Constant">d]</span>
-<span id="L2683" class="LineNr">2683 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L2684" class="LineNr">2684 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2683" class="LineNr">2683 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L2684" class="LineNr">2684 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2685" class="LineNr">2685 </span>  screen-should-contain [
 <span id="L2686" class="LineNr">2686 </span>   <span class="Constant"> .          .</span>
 <span id="L2687" class="LineNr">2687 </span>   <span class="Constant"> .a         .</span>
@@ -2749,12 +2749,12 @@ if ('onhashchange' in window) {
 <span id="L2691" class="LineNr">2691 </span>  <span class="Comment"># position cursor at top of second page, then try to move up to start of</span>
 <span id="L2692" class="LineNr">2692 </span>  <span class="Comment"># text</span>
 <span id="L2693" class="LineNr">2693 </span>  assume-console [
-<span id="L2694" class="LineNr">2694 </span>    press page-down
+<span id="L2694" class="LineNr">2694 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2695" class="LineNr">2695 </span>    press up-arrow
 <span id="L2696" class="LineNr">2696 </span>    press up-arrow
 <span id="L2697" class="LineNr">2697 </span>  ]
 <span id="L2698" class="LineNr">2698 </span>  run [
-<span id="L2699" class="LineNr">2699 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2699" class="LineNr">2699 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2700" class="LineNr">2700 </span>  ]
 <span id="L2701" class="LineNr">2701 </span>  <span class="Comment"># screen slides by one line</span>
 <span id="L2702" class="LineNr">2702 </span>  screen-should-contain [
@@ -2768,7 +2768,7 @@ if ('onhashchange' in window) {
 <span id="L2710" class="LineNr">2710 </span>    press up-arrow
 <span id="L2711" class="LineNr">2711 </span>  ]
 <span id="L2712" class="LineNr">2712 </span>  run [
-<span id="L2713" class="LineNr">2713 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2713" class="LineNr">2713 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2714" class="LineNr">2714 </span>  ]
 <span id="L2715" class="LineNr">2715 </span>  <span class="Comment"># screen remains unchanged</span>
 <span id="L2716" class="LineNr">2716 </span>  screen-should-contain [
@@ -2788,8 +2788,8 @@ if ('onhashchange' in window) {
 <span id="L2730" class="LineNr">2730 </span><span class="Constant">b</span>
 <span id="L2731" class="LineNr">2731 </span><span class="Constant">c</span>
 <span id="L2732" class="LineNr">2732 </span><span class="Constant">d]</span>
-<span id="L2733" class="LineNr">2733 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L2734" class="LineNr">2734 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2733" class="LineNr">2733 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L2734" class="LineNr">2734 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2735" class="LineNr">2735 </span>  screen-should-contain [
 <span id="L2736" class="LineNr">2736 </span>   <span class="Constant"> .          .</span>
 <span id="L2737" class="LineNr">2737 </span>   <span class="Constant"> .a         .</span>
@@ -2798,10 +2798,10 @@ if ('onhashchange' in window) {
 <span id="L2740" class="LineNr">2740 </span>  ]
 <span id="L2741" class="LineNr">2741 </span>  <span class="Comment"># scroll down</span>
 <span id="L2742" class="LineNr">2742 </span>  assume-console [
-<span id="L2743" class="LineNr">2743 </span>    press page-down
+<span id="L2743" class="LineNr">2743 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2744" class="LineNr">2744 </span>  ]
 <span id="L2745" class="LineNr">2745 </span>  run [
-<span id="L2746" class="LineNr">2746 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2746" class="LineNr">2746 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2747" class="LineNr">2747 </span>  ]
 <span id="L2748" class="LineNr">2748 </span>  <span class="Comment"># screen shows next page</span>
 <span id="L2749" class="LineNr">2749 </span>  screen-should-contain [
@@ -2818,7 +2818,7 @@ if ('onhashchange' in window) {
 <span id="L2760" class="LineNr">2760 </span>    <span class="muControl">break-unless</span> page-down?
 <span id="L2761" class="LineNr">2761 </span>    old-top:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
 <span id="L2762" class="LineNr">2762 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L2763" class="LineNr">2763 </span>    page-down editor
+<span id="L2763" class="LineNr">2763 </span>    <a href='003-shortcuts.mu.html#L2789'>page-down</a> editor
 <span id="L2764" class="LineNr">2764 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L2765" class="LineNr">2765 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L2766" class="LineNr">2766 </span>    top-of-screen:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
@@ -2833,7 +2833,7 @@ if ('onhashchange' in window) {
 <span id="L2775" class="LineNr">2775 </span>    <span class="muControl">break-unless</span> page-down?
 <span id="L2776" class="LineNr">2776 </span>    old-top:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
 <span id="L2777" class="LineNr">2777 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L2778" class="LineNr">2778 </span>    page-down editor
+<span id="L2778" class="LineNr">2778 </span>    <a href='003-shortcuts.mu.html#L2789'>page-down</a> editor
 <span id="L2779" class="LineNr">2779 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L2780" class="LineNr">2780 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L2781" class="LineNr">2781 </span>    top-of-screen:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
@@ -2844,7 +2844,7 @@ if ('onhashchange' in window) {
 <span id="L2786" class="LineNr">2786 </span>
 <span id="L2787" class="LineNr">2787 </span><span class="Comment"># page-down skips entire wrapped lines, so it can't scroll past lines</span>
 <span id="L2788" class="LineNr">2788 </span><span class="Comment"># taking up the entire screen</span>
-<span id="L2789" class="LineNr">2789 </span><span class="muRecipe">def</span> page-down editor:&amp;:editor<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
+<span id="L2789" class="LineNr">2789 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2789'>page-down</a> editor:&amp;:editor<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
 <span id="L2790" class="LineNr">2790 </span>  <span class="Constant">local-scope</span>
 <span id="L2791" class="LineNr">2791 </span>  <span class="Constant">load-ingredients</span>
 <span id="L2792" class="LineNr">2792 </span>  <span class="Comment"># if editor contents don't overflow screen, do nothing</span>
@@ -2852,18 +2852,18 @@ if ('onhashchange' in window) {
 <span id="L2794" class="LineNr">2794 </span>  <span class="muControl">return-unless</span> bottom-of-screen
 <span id="L2795" class="LineNr">2795 </span>  <span class="Comment"># if not, position cursor at final character</span>
 <span id="L2796" class="LineNr">2796 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
-<span id="L2797" class="LineNr">2797 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> bottom-of-screen
+<span id="L2797" class="LineNr">2797 </span>  before-cursor:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> bottom-of-screen
 <span id="L2798" class="LineNr">2798 </span>  *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
 <span id="L2799" class="LineNr">2799 </span>  <span class="Comment"># keep one line in common with previous page</span>
 <span id="L2800" class="LineNr">2800 </span>  <span class="Delimiter">{</span>
-<span id="L2801" class="LineNr">2801 </span>    <a href='065duplex_list.mu.html#L516'>last</a>:char <span class="Special">&lt;-</span> get *before-cursor, <span class="Constant">value:offset</span>
-<span id="L2802" class="LineNr">2802 </span>    newline?:bool <span class="Special">&lt;-</span> equal <a href='065duplex_list.mu.html#L516'>last</a>, <span class="Constant">10/newline</span>
+<span id="L2801" class="LineNr">2801 </span>    <a href='../065duplex_list.mu.html#L516'>last</a>:char <span class="Special">&lt;-</span> get *before-cursor, <span class="Constant">value:offset</span>
+<span id="L2802" class="LineNr">2802 </span>    newline?:bool <span class="Special">&lt;-</span> equal <a href='../065duplex_list.mu.html#L516'>last</a>, <span class="Constant">10/newline</span>
 <span id="L2803" class="LineNr">2803 </span>    <span class="muControl">break-unless</span> newline?:bool
-<span id="L2804" class="LineNr">2804 </span>    before-cursor <span class="Special">&lt;-</span> <a href='065duplex_list.mu.html#L36'>prev</a> before-cursor
+<span id="L2804" class="LineNr">2804 </span>    before-cursor <span class="Special">&lt;-</span> <a href='../065duplex_list.mu.html#L36'>prev</a> before-cursor
 <span id="L2805" class="LineNr">2805 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor
 <span id="L2806" class="LineNr">2806 </span>  <span class="Delimiter">}</span>
 <span id="L2807" class="LineNr">2807 </span>  <span class="Comment"># move cursor and top-of-screen to start of that line</span>
-<span id="L2808" class="LineNr">2808 </span>  move-to-start-of-line editor
+<span id="L2808" class="LineNr">2808 </span>  <a href='003-shortcuts.mu.html#L1350'>move-to-start-of-line</a> editor
 <span id="L2809" class="LineNr">2809 </span>  before-cursor <span class="Special">&lt;-</span> get *editor, <span class="Constant">before-cursor:offset</span>
 <span id="L2810" class="LineNr">2810 </span>  *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, before-cursor
 <span id="L2811" class="LineNr">2811 </span>]
@@ -2873,8 +2873,8 @@ if ('onhashchange' in window) {
 <span id="L2815" class="LineNr">2815 </span>  assume-screen <span class="Constant">10/width</span>, <span class="Constant">4/height</span>
 <span id="L2816" class="LineNr">2816 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[a</span>
 <span id="L2817" class="LineNr">2817 </span><span class="Constant">b]</span>
-<span id="L2818" class="LineNr">2818 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L2819" class="LineNr">2819 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2818" class="LineNr">2818 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L2819" class="LineNr">2819 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2820" class="LineNr">2820 </span>  screen-should-contain [
 <span id="L2821" class="LineNr">2821 </span>   <span class="Constant"> .          .</span>
 <span id="L2822" class="LineNr">2822 </span>   <span class="Constant"> .a         .</span>
@@ -2883,10 +2883,10 @@ if ('onhashchange' in window) {
 <span id="L2825" class="LineNr">2825 </span>  ]
 <span id="L2826" class="LineNr">2826 </span>  <span class="Comment"># scroll down</span>
 <span id="L2827" class="LineNr">2827 </span>  assume-console [
-<span id="L2828" class="LineNr">2828 </span>    press page-down
+<span id="L2828" class="LineNr">2828 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2829" class="LineNr">2829 </span>  ]
 <span id="L2830" class="LineNr">2830 </span>  run [
-<span id="L2831" class="LineNr">2831 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2831" class="LineNr">2831 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2832" class="LineNr">2832 </span>  ]
 <span id="L2833" class="LineNr">2833 </span>  <span class="Comment"># screen remains unmodified</span>
 <span id="L2834" class="LineNr">2834 </span>  screen-should-contain [
@@ -2906,8 +2906,8 @@ if ('onhashchange' in window) {
 <span id="L2848" class="LineNr">2848 </span><span class="Constant">b</span>
 <span id="L2849" class="LineNr">2849 </span><span class="Constant">cdefgh]</span>
 <span id="L2850" class="LineNr">2850 </span>  <span class="Comment"># editor screen triggers wrap of last line</span>
-<span id="L2851" class="LineNr">2851 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
-<span id="L2852" class="LineNr">2852 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2851" class="LineNr">2851 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
+<span id="L2852" class="LineNr">2852 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2853" class="LineNr">2853 </span>  <span class="Comment"># some part of last line is not displayed</span>
 <span id="L2854" class="LineNr">2854 </span>  screen-should-contain [
 <span id="L2855" class="LineNr">2855 </span>   <span class="Constant"> .          .</span>
@@ -2917,10 +2917,10 @@ if ('onhashchange' in window) {
 <span id="L2859" class="LineNr">2859 </span>  ]
 <span id="L2860" class="LineNr">2860 </span>  <span class="Comment"># scroll down</span>
 <span id="L2861" class="LineNr">2861 </span>  assume-console [
-<span id="L2862" class="LineNr">2862 </span>    press page-down
+<span id="L2862" class="LineNr">2862 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2863" class="LineNr">2863 </span>  ]
 <span id="L2864" class="LineNr">2864 </span>  run [
-<span id="L2865" class="LineNr">2865 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2865" class="LineNr">2865 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2866" class="LineNr">2866 </span>  ]
 <span id="L2867" class="LineNr">2867 </span>  <span class="Comment"># screen shows entire wrapped line</span>
 <span id="L2868" class="LineNr">2868 </span>  screen-should-contain [
@@ -2939,8 +2939,8 @@ if ('onhashchange' in window) {
 <span id="L2881" class="LineNr">2881 </span>  <span class="Comment"># and still has something left over</span>
 <span id="L2882" class="LineNr">2882 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[a</span>
 <span id="L2883" class="LineNr">2883 </span><span class="Constant">bcdefgh]</span>
-<span id="L2884" class="LineNr">2884 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
-<span id="L2885" class="LineNr">2885 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2884" class="LineNr">2884 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
+<span id="L2885" class="LineNr">2885 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2886" class="LineNr">2886 </span>  <span class="Comment"># some part of last line is not displayed</span>
 <span id="L2887" class="LineNr">2887 </span>  screen-should-contain [
 <span id="L2888" class="LineNr">2888 </span>   <span class="Constant"> .          .</span>
@@ -2950,10 +2950,10 @@ if ('onhashchange' in window) {
 <span id="L2892" class="LineNr">2892 </span>  ]
 <span id="L2893" class="LineNr">2893 </span>  <span class="Comment"># scroll down</span>
 <span id="L2894" class="LineNr">2894 </span>  assume-console [
-<span id="L2895" class="LineNr">2895 </span>    press page-down
+<span id="L2895" class="LineNr">2895 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2896" class="LineNr">2896 </span>  ]
 <span id="L2897" class="LineNr">2897 </span>  run [
-<span id="L2898" class="LineNr">2898 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2898" class="LineNr">2898 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2899" class="LineNr">2899 </span>  ]
 <span id="L2900" class="LineNr">2900 </span>  <span class="Comment"># screen shows entire wrapped line</span>
 <span id="L2901" class="LineNr">2901 </span>  screen-should-contain [
@@ -2973,8 +2973,8 @@ if ('onhashchange' in window) {
 <span id="L2915" class="LineNr">2915 </span><span class="Constant">b</span>
 <span id="L2916" class="LineNr">2916 </span><span class="Constant">c</span>
 <span id="L2917" class="LineNr">2917 </span><span class="Constant">d]</span>
-<span id="L2918" class="LineNr">2918 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L2919" class="LineNr">2919 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L2918" class="LineNr">2918 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L2919" class="LineNr">2919 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L2920" class="LineNr">2920 </span>  screen-should-contain [
 <span id="L2921" class="LineNr">2921 </span>   <span class="Constant"> .          .</span>
 <span id="L2922" class="LineNr">2922 </span>   <span class="Constant"> .a         .</span>
@@ -2983,10 +2983,10 @@ if ('onhashchange' in window) {
 <span id="L2925" class="LineNr">2925 </span>  ]
 <span id="L2926" class="LineNr">2926 </span>  <span class="Comment"># scroll down</span>
 <span id="L2927" class="LineNr">2927 </span>  assume-console [
-<span id="L2928" class="LineNr">2928 </span>    press page-down
+<span id="L2928" class="LineNr">2928 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L2929" class="LineNr">2929 </span>  ]
 <span id="L2930" class="LineNr">2930 </span>  run [
-<span id="L2931" class="LineNr">2931 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2931" class="LineNr">2931 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2932" class="LineNr">2932 </span>  ]
 <span id="L2933" class="LineNr">2933 </span>  <span class="Comment"># screen shows next page</span>
 <span id="L2934" class="LineNr">2934 </span>  screen-should-contain [
@@ -2997,10 +2997,10 @@ if ('onhashchange' in window) {
 <span id="L2939" class="LineNr">2939 </span>  ]
 <span id="L2940" class="LineNr">2940 </span>  <span class="Comment"># scroll back up</span>
 <span id="L2941" class="LineNr">2941 </span>  assume-console [
-<span id="L2942" class="LineNr">2942 </span>    press page-up
+<span id="L2942" class="LineNr">2942 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L2943" class="LineNr">2943 </span>  ]
 <span id="L2944" class="LineNr">2944 </span>  run [
-<span id="L2945" class="LineNr">2945 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L2945" class="LineNr">2945 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L2946" class="LineNr">2946 </span>  ]
 <span id="L2947" class="LineNr">2947 </span>  <span class="Comment"># screen shows original page again</span>
 <span id="L2948" class="LineNr">2948 </span>  screen-should-contain [
@@ -3017,7 +3017,7 @@ if ('onhashchange' in window) {
 <span id="L2959" class="LineNr">2959 </span>    <span class="muControl">break-unless</span> page-up?
 <span id="L2960" class="LineNr">2960 </span>    old-top:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
 <span id="L2961" class="LineNr">2961 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L2962" class="LineNr">2962 </span>    editor <span class="Special">&lt;-</span> page-up editor, <a href='081print.mu.html#L594'>screen-height</a>
+<span id="L2962" class="LineNr">2962 </span>    editor <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L2987'>page-up</a> editor, <a href='../081print.mu.html#L594'>screen-height</a>
 <span id="L2963" class="LineNr">2963 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L2964" class="LineNr">2964 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L2965" class="LineNr">2965 </span>    top-of-screen:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
@@ -3032,7 +3032,7 @@ if ('onhashchange' in window) {
 <span id="L2974" class="LineNr">2974 </span>    <span class="muControl">break-unless</span> page-up?
 <span id="L2975" class="LineNr">2975 </span>    old-top:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
 <span id="L2976" class="LineNr">2976 </span><span class="Constant">    &lt;move-cursor-begin&gt;</span>
-<span id="L2977" class="LineNr">2977 </span>    editor <span class="Special">&lt;-</span> page-up editor, <a href='081print.mu.html#L594'>screen-height</a>
+<span id="L2977" class="LineNr">2977 </span>    editor <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L2987'>page-up</a> editor, <a href='../081print.mu.html#L594'>screen-height</a>
 <span id="L2978" class="LineNr">2978 </span>    undo-coalesce-tag:num <span class="Special">&lt;-</span> copy <span class="Constant">0/never</span>
 <span id="L2979" class="LineNr">2979 </span><span class="Constant">    &lt;move-cursor-end&gt;</span>
 <span id="L2980" class="LineNr">2980 </span>    top-of-screen:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
@@ -3042,18 +3042,18 @@ if ('onhashchange' in window) {
 <span id="L2984" class="LineNr">2984 </span>  <span class="Delimiter">}</span>
 <span id="L2985" class="LineNr">2985 </span>]
 <span id="L2986" class="LineNr">2986 </span>
-<span id="L2987" class="LineNr">2987 </span><span class="muRecipe">def</span> page-up editor:&amp;:editor, <a href='081print.mu.html#L594'>screen-height</a>:num<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
+<span id="L2987" class="LineNr">2987 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2987'>page-up</a> editor:&amp;:editor, <a href='../081print.mu.html#L594'>screen-height</a>:num<span class="muRecipe"> -&gt; </span>editor:&amp;:editor [
 <span id="L2988" class="LineNr">2988 </span>  <span class="Constant">local-scope</span>
 <span id="L2989" class="LineNr">2989 </span>  <span class="Constant">load-ingredients</span>
-<span id="L2990" class="LineNr">2990 </span>  max:num <span class="Special">&lt;-</span> subtract <a href='081print.mu.html#L594'>screen-height</a>, <span class="Constant">1/menu-bar</span>, <span class="Constant">1/overlapping-line</span>
+<span id="L2990" class="LineNr">2990 </span>  max:num <span class="Special">&lt;-</span> subtract <a href='../081print.mu.html#L594'>screen-height</a>, <span class="Constant">1/menu-bar</span>, <span class="Constant">1/overlapping-line</span>
 <span id="L2991" class="LineNr">2991 </span>  count:num <span class="Special">&lt;-</span> copy<span class="Constant"> 0</span>
 <span id="L2992" class="LineNr">2992 </span>  top-of-screen:&amp;:duplex-list:char <span class="Special">&lt;-</span> get *editor, <span class="Constant">top-of-screen:offset</span>
 <span id="L2993" class="LineNr">2993 </span>  <span class="Delimiter">{</span>
 <span id="L2994" class="LineNr">2994 </span>    done?:bool <span class="Special">&lt;-</span> greater-or-equal count, max
 <span id="L2995" class="LineNr">2995 </span>    <span class="muControl">break-if</span> done?
-<span id="L2996" class="LineNr">2996 </span>    <a href='065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> before-previous-line top-of-screen, editor
-<span id="L2997" class="LineNr">2997 </span>    <span class="muControl">break-unless</span> <a href='065duplex_list.mu.html#L36'>prev</a>
-<span id="L2998" class="LineNr">2998 </span>    top-of-screen <span class="Special">&lt;-</span> copy <a href='065duplex_list.mu.html#L36'>prev</a>
+<span id="L2996" class="LineNr">2996 </span>    <a href='../065duplex_list.mu.html#L36'>prev</a>:&amp;:duplex-list:char <span class="Special">&lt;-</span> <a href='003-shortcuts.mu.html#L2367'>before-previous-line</a> top-of-screen, editor
+<span id="L2997" class="LineNr">2997 </span>    <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L36'>prev</a>
+<span id="L2998" class="LineNr">2998 </span>    top-of-screen <span class="Special">&lt;-</span> copy <a href='../065duplex_list.mu.html#L36'>prev</a>
 <span id="L2999" class="LineNr">2999 </span>    *editor <span class="Special">&lt;-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen
 <span id="L3000" class="LineNr">3000 </span>    count <span class="Special">&lt;-</span> add count,<span class="Constant"> 1</span>
 <span id="L3001" class="LineNr">3001 </span>    <span class="muControl">loop</span>
@@ -3073,8 +3073,8 @@ if ('onhashchange' in window) {
 <span id="L3015" class="LineNr">3015 </span><span class="Constant">f</span>
 <span id="L3016" class="LineNr">3016 </span><span class="Constant">g</span>
 <span id="L3017" class="LineNr">3017 </span><span class="Constant">h]</span>
-<span id="L3018" class="LineNr">3018 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
-<span id="L3019" class="LineNr">3019 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L3018" class="LineNr">3018 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span>
+<span id="L3019" class="LineNr">3019 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L3020" class="LineNr">3020 </span>  screen-should-contain [
 <span id="L3021" class="LineNr">3021 </span>   <span class="Constant"> .          .</span>
 <span id="L3022" class="LineNr">3022 </span>   <span class="Constant"> .a         .</span>
@@ -3083,11 +3083,11 @@ if ('onhashchange' in window) {
 <span id="L3025" class="LineNr">3025 </span>  ]
 <span id="L3026" class="LineNr">3026 </span>  <span class="Comment"># scroll down two pages</span>
 <span id="L3027" class="LineNr">3027 </span>  assume-console [
-<span id="L3028" class="LineNr">3028 </span>    press page-down
-<span id="L3029" class="LineNr">3029 </span>    press page-down
+<span id="L3028" class="LineNr">3028 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
+<span id="L3029" class="LineNr">3029 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L3030" class="LineNr">3030 </span>  ]
 <span id="L3031" class="LineNr">3031 </span>  run [
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+<span id="L3032" class="LineNr">3032 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3033" class="LineNr">3033 </span>  ]
 <span id="L3034" class="LineNr">3034 </span>  <span class="Comment"># screen shows third page</span>
 <span id="L3035" class="LineNr">3035 </span>  screen-should-contain [
@@ -3098,10 +3098,10 @@ if ('onhashchange' in window) {
 <span id="L3040" class="LineNr">3040 </span>  ]
 <span id="L3041" class="LineNr">3041 </span>  <span class="Comment"># scroll up</span>
 <span id="L3042" class="LineNr">3042 </span>  assume-console [
-<span id="L3043" class="LineNr">3043 </span>    press page-up
+<span id="L3043" class="LineNr">3043 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L3044" class="LineNr">3044 </span>  ]
 <span id="L3045" class="LineNr">3045 </span>  run [
-<span id="L3046" class="LineNr">3046 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3046" class="LineNr">3046 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3047" class="LineNr">3047 </span>  ]
 <span id="L3048" class="LineNr">3048 </span>  <span class="Comment"># screen shows second page</span>
 <span id="L3049" class="LineNr">3049 </span>  screen-should-contain [
@@ -3112,10 +3112,10 @@ if ('onhashchange' in window) {
 <span id="L3054" class="LineNr">3054 </span>  ]
 <span id="L3055" class="LineNr">3055 </span>  <span class="Comment"># scroll up again</span>
 <span id="L3056" class="LineNr">3056 </span>  assume-console [
-<span id="L3057" class="LineNr">3057 </span>    press page-up
+<span id="L3057" class="LineNr">3057 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L3058" class="LineNr">3058 </span>  ]
 <span id="L3059" class="LineNr">3059 </span>  run [
-<span id="L3060" class="LineNr">3060 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3060" class="LineNr">3060 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3061" class="LineNr">3061 </span>  ]
 <span id="L3062" class="LineNr">3062 </span>  <span class="Comment"># screen shows original page again</span>
 <span id="L3063" class="LineNr">3063 </span>  screen-should-contain [
@@ -3142,8 +3142,8 @@ if ('onhashchange' in window) {
 <span id="L3084" class="LineNr">3084 </span><span class="Constant">n</span>
 <span id="L3085" class="LineNr">3085 </span><span class="Constant">o]</span>
 <span id="L3086" class="LineNr">3086 </span>  <span class="Comment"># editor screen triggers wrap of last line</span>
-<span id="L3087" class="LineNr">3087 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
-<span id="L3088" class="LineNr">3088 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L3087" class="LineNr">3087 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
+<span id="L3088" class="LineNr">3088 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L3089" class="LineNr">3089 </span>  <span class="Comment"># some part of last line is not displayed</span>
 <span id="L3090" class="LineNr">3090 </span>  screen-should-contain [
 <span id="L3091" class="LineNr">3091 </span>   <span class="Constant"> .          .</span>
@@ -3155,12 +3155,12 @@ if ('onhashchange' in window) {
 <span id="L3097" class="LineNr">3097 </span>  ]
 <span id="L3098" class="LineNr">3098 </span>  <span class="Comment"># scroll down a page and a line</span>
 <span id="L3099" class="LineNr">3099 </span>  assume-console [
-<span id="L3100" class="LineNr">3100 </span>    press page-down
+<span id="L3100" class="LineNr">3100 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L3101" class="LineNr">3101 </span>    left-click<span class="Constant"> 5</span>,<span class="Constant"> 0</span>
 <span id="L3102" class="LineNr">3102 </span>    press down-arrow
 <span id="L3103" class="LineNr">3103 </span>  ]
 <span id="L3104" class="LineNr">3104 </span>  run [
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+<span id="L3105" class="LineNr">3105 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3106" class="LineNr">3106 </span>  ]
 <span id="L3107" class="LineNr">3107 </span>  <span class="Comment"># screen shows entire wrapped line</span>
 <span id="L3108" class="LineNr">3108 </span>  screen-should-contain [
@@ -3173,10 +3173,10 @@ if ('onhashchange' in window) {
 <span id="L3115" class="LineNr">3115 </span>  ]
 <span id="L3116" class="LineNr">3116 </span>  <span class="Comment"># now scroll up one page</span>
 <span id="L3117" class="LineNr">3117 </span>  assume-console [
-<span id="L3118" class="LineNr">3118 </span>    press page-up
+<span id="L3118" class="LineNr">3118 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L3119" class="LineNr">3119 </span>  ]
 <span id="L3120" class="LineNr">3120 </span>  run [
-<span id="L3121" class="LineNr">3121 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3121" class="LineNr">3121 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3122" class="LineNr">3122 </span>  ]
 <span id="L3123" class="LineNr">3123 </span>  <span class="Comment"># screen resets</span>
 <span id="L3124" class="LineNr">3124 </span>  screen-should-contain [
@@ -3197,8 +3197,8 @@ if ('onhashchange' in window) {
 <span id="L3139" class="LineNr">3139 </span>  <span class="Comment"># and still has something left over</span>
 <span id="L3140" class="LineNr">3140 </span>  s:text <span class="Special">&lt;-</span> new <span class="Constant">[a</span>
 <span id="L3141" class="LineNr">3141 </span><span class="Constant">bcdefgh]</span>
-<span id="L3142" class="LineNr">3142 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
-<span id="L3143" class="LineNr">3143 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L3142" class="LineNr">3142 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
+<span id="L3143" class="LineNr">3143 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L3144" class="LineNr">3144 </span>  <span class="Comment"># some part of last line is not displayed</span>
 <span id="L3145" class="LineNr">3145 </span>  screen-should-contain [
 <span id="L3146" class="LineNr">3146 </span>   <span class="Constant"> .          .</span>
@@ -3208,10 +3208,10 @@ if ('onhashchange' in window) {
 <span id="L3150" class="LineNr">3150 </span>  ]
 <span id="L3151" class="LineNr">3151 </span>  <span class="Comment"># scroll down</span>
 <span id="L3152" class="LineNr">3152 </span>  assume-console [
-<span id="L3153" class="LineNr">3153 </span>    press page-down
+<span id="L3153" class="LineNr">3153 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L3154" class="LineNr">3154 </span>  ]
 <span id="L3155" class="LineNr">3155 </span>  run [
-<span id="L3156" class="LineNr">3156 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3156" class="LineNr">3156 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3157" class="LineNr">3157 </span>  ]
 <span id="L3158" class="LineNr">3158 </span>  <span class="Comment"># screen shows entire wrapped line</span>
 <span id="L3159" class="LineNr">3159 </span>  screen-should-contain [
@@ -3222,10 +3222,10 @@ if ('onhashchange' in window) {
 <span id="L3164" class="LineNr">3164 </span>  ]
 <span id="L3165" class="LineNr">3165 </span>  <span class="Comment"># scroll back up</span>
 <span id="L3166" class="LineNr">3166 </span>  assume-console [
-<span id="L3167" class="LineNr">3167 </span>    press page-up
+<span id="L3167" class="LineNr">3167 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L3168" class="LineNr">3168 </span>  ]
 <span id="L3169" class="LineNr">3169 </span>  run [
-<span id="L3170" class="LineNr">3170 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3170" class="LineNr">3170 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3171" class="LineNr">3171 </span>  ]
 <span id="L3172" class="LineNr">3172 </span>  <span class="Comment"># screen resets</span>
 <span id="L3173" class="LineNr">3173 </span>  screen-should-contain [
@@ -3249,8 +3249,8 @@ if ('onhashchange' in window) {
 <span id="L3191" class="LineNr">3191 </span><span class="Constant">gxx</span>
 <span id="L3192" class="LineNr">3192 </span><span class="Constant">hxx</span>
 <span id="L3193" class="LineNr">3193 </span><span class="Constant">]</span>
-<span id="L3194" class="LineNr">3194 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
-<span id="L3195" class="LineNr">3195 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L3194" class="LineNr">3194 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
+<span id="L3195" class="LineNr">3195 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L3196" class="LineNr">3196 </span>  screen-should-contain [
 <span id="L3197" class="LineNr">3197 </span>   <span class="Constant"> .          .</span>
 <span id="L3198" class="LineNr">3198 </span>   <span class="Constant"> .axx       .</span>
@@ -3258,10 +3258,10 @@ if ('onhashchange' in window) {
 <span id="L3200" class="LineNr">3200 </span>   <span class="Constant"> .cxx       .</span>
 <span id="L3201" class="LineNr">3201 </span>  ]
 <span id="L3202" class="LineNr">3202 </span>  assume-console [
-<span id="L3203" class="LineNr">3203 </span>    press page-down
+<span id="L3203" class="LineNr">3203 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L3204" class="LineNr">3204 </span>  ]
 <span id="L3205" class="LineNr">3205 </span>  run [
-<span id="L3206" class="LineNr">3206 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3206" class="LineNr">3206 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3207" class="LineNr">3207 </span>  ]
 <span id="L3208" class="LineNr">3208 </span>  screen-should-contain [
 <span id="L3209" class="LineNr">3209 </span>   <span class="Constant"> .          .</span>
@@ -3270,10 +3270,10 @@ if ('onhashchange' in window) {
 <span id="L3212" class="LineNr">3212 </span>   <span class="Constant"> .exx       .</span>
 <span id="L3213" class="LineNr">3213 </span>  ]
 <span id="L3214" class="LineNr">3214 </span>  assume-console [
-<span id="L3215" class="LineNr">3215 </span>    press page-down
+<span id="L3215" class="LineNr">3215 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L3216" class="LineNr">3216 </span>  ]
 <span id="L3217" class="LineNr">3217 </span>  run [
-<span id="L3218" class="LineNr">3218 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3218" class="LineNr">3218 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3219" class="LineNr">3219 </span>  ]
 <span id="L3220" class="LineNr">3220 </span>  screen-should-contain [
 <span id="L3221" class="LineNr">3221 </span>   <span class="Constant"> .          .</span>
@@ -3283,10 +3283,10 @@ if ('onhashchange' in window) {
 <span id="L3225" class="LineNr">3225 </span>  ]
 <span id="L3226" class="LineNr">3226 </span>  <span class="Comment"># scroll back up past empty line</span>
 <span id="L3227" class="LineNr">3227 </span>  assume-console [
-<span id="L3228" class="LineNr">3228 </span>    press page-up
+<span id="L3228" class="LineNr">3228 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L3229" class="LineNr">3229 </span>  ]
 <span id="L3230" class="LineNr">3230 </span>  run [
-<span id="L3231" class="LineNr">3231 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3231" class="LineNr">3231 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3232" class="LineNr">3232 </span>  ]
 <span id="L3233" class="LineNr">3233 </span>  screen-should-contain [
 <span id="L3234" class="LineNr">3234 </span>   <span class="Constant"> .          .</span>
@@ -3309,8 +3309,8 @@ if ('onhashchange' in window) {
 <span id="L3251" class="LineNr">3251 </span>fxy
 <span id="L3252" class="LineNr">3252 </span>gxy
 <span id="L3253" class="LineNr">3253 </span>]
-<span id="L3254" class="LineNr">3254 </span>  e:&amp;:editor <span class="Special">&lt;-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
-<span id="L3255" class="LineNr">3255 </span>  editor-render <a href='081print.mu.html#L4'>screen</a>, e
+<span id="L3254" class="LineNr">3254 </span>  e:&amp;:editor <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>
+<span id="L3255" class="LineNr">3255 </span>  <a href='002-typing.mu.html#L263'>editor-render</a> <a href='../081print.mu.html#L4'>screen</a>, e
 <span id="L3256" class="LineNr">3256 </span>  screen-should-contain [
 <span id="L3257" class="LineNr">3257 </span>   <span class="Constant"> .          .</span>
 <span id="L3258" class="LineNr">3258 </span>   <span class="Constant"> .axy       .</span>
@@ -3318,10 +3318,10 @@ if ('onhashchange' in window) {
 <span id="L3260" class="LineNr">3260 </span>   <span class="Constant"> .cxy       .</span>
 <span id="L3261" class="LineNr">3261 </span>  ]
 <span id="L3262" class="LineNr">3262 </span>  assume-console [
-<span id="L3263" class="LineNr">3263 </span>    press page-down
+<span id="L3263" class="LineNr">3263 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L3264" class="LineNr">3264 </span>  ]
 <span id="L3265" class="LineNr">3265 </span>  run [
-<span id="L3266" class="LineNr">3266 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3266" class="LineNr">3266 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3267" class="LineNr">3267 </span>  ]
 <span id="L3268" class="LineNr">3268 </span>  screen-should-contain [
 <span id="L3269" class="LineNr">3269 </span>   <span class="Constant"> .          .</span>
@@ -3330,10 +3330,10 @@ if ('onhashchange' in window) {
 <span id="L3272" class="LineNr">3272 </span>   <span class="Constant"> .dxy       .</span>
 <span id="L3273" class="LineNr">3273 </span>  ]
 <span id="L3274" class="LineNr">3274 </span>  assume-console [
-<span id="L3275" class="LineNr">3275 </span>    press page-down
+<span id="L3275" class="LineNr">3275 </span>    press <a href='003-shortcuts.mu.html#L2789'>page-down</a>
 <span id="L3276" class="LineNr">3276 </span>  ]
 <span id="L3277" class="LineNr">3277 </span>  run [
-<span id="L3278" class="LineNr">3278 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3278" class="LineNr">3278 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3279" class="LineNr">3279 </span>  ]
 <span id="L3280" class="LineNr">3280 </span>  screen-should-contain [
 <span id="L3281" class="LineNr">3281 </span>   <span class="Constant"> .          .</span>
@@ -3343,10 +3343,10 @@ if ('onhashchange' in window) {
 <span id="L3285" class="LineNr">3285 </span>  ]
 <span id="L3286" class="LineNr">3286 </span>  <span class="Comment"># scroll back up past empty line</span>
 <span id="L3287" class="LineNr">3287 </span>  assume-console [
-<span id="L3288" class="LineNr">3288 </span>    press page-up
+<span id="L3288" class="LineNr">3288 </span>    press <a href='003-shortcuts.mu.html#L2987'>page-up</a>
 <span id="L3289" class="LineNr">3289 </span>  ]
 <span id="L3290" class="LineNr">3290 </span>  run [
-<span id="L3291" class="LineNr">3291 </span>    editor-event-loop <a href='081print.mu.html#L4'>screen</a>, <a href='084console.mu.html#L23'>console</a>, e
+<span id="L3291" class="LineNr">3291 </span>    <a href='002-typing.mu.html#L14'>editor-event-loop</a> <a href='../081print.mu.html#L4'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e
 <span id="L3292" class="LineNr">3292 </span>  ]
 <span id="L3293" class="LineNr">3293 </span>  screen-should-contain [
 <span id="L3294" class="LineNr">3294 </span>   <span class="Constant"> .          .</span>