diff options
Diffstat (limited to 'html/edit/003-shortcuts.mu.html')
| -rw-r--r-- | html/edit/003-shortcuts.mu.html | 1138 |
1 files changed, 569 insertions, 569 deletions
diff --git a/html/edit/003-shortcuts.mu.html b/html/edit/003-shortcuts.mu.html index 4e2c3c8c..4b335115 100644 --- a/html/edit/003-shortcuts.mu.html +++ b/html/edit/003-shortcuts.mu.html @@ -70,14 +70,14 @@ if ('onhashchange' in window) { <span id="L9" class="LineNr"> 9 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L10" class="LineNr"> 10 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L11" class="LineNr"> 11 </span><span class="Constant">cd]</span> -<span id="L12" class="LineNr"> 12 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L13" class="LineNr"> 13 </span> editor-render screen, e +<span id="L12" class="LineNr"> 12 </span> e:&:editor <span class="Special"><-</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="L13" class="LineNr"> 13 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L14" class="LineNr"> 14 </span> $clear-trace <span id="L15" class="LineNr"> 15 </span> assume-console [ <span id="L16" class="LineNr"> 16 </span> press tab <span id="L17" class="LineNr"> 17 </span> ] <span id="L18" class="LineNr"> 18 </span> run [ -<span id="L19" class="LineNr"> 19 </span> editor-event-loop screen, console, e +<span id="L19" class="LineNr"> 19 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L20" class="LineNr"> 20 </span> ] <span id="L21" class="LineNr"> 21 </span> screen-should-contain [ <span id="L22" class="LineNr"> 22 </span> <span class="Constant"> . .</span> @@ -91,14 +91,14 @@ if ('onhashchange' in window) { <span id="L30" class="LineNr"> 30 </span><span class="muScenario">scenario</span> editor-inserts-two-spaces-and-wraps-line-on-tab [ <span id="L31" class="LineNr"> 31 </span> <span class="Constant">local-scope</span> <span id="L32" class="LineNr"> 32 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L33" class="LineNr"> 33 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L34" class="LineNr"> 34 </span> editor-render screen, e +<span id="L33" class="LineNr"> 33 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L34" class="LineNr"> 34 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L35" class="LineNr"> 35 </span> $clear-trace <span id="L36" class="LineNr"> 36 </span> assume-console [ <span id="L37" class="LineNr"> 37 </span> press tab <span id="L38" class="LineNr"> 38 </span> ] <span id="L39" class="LineNr"> 39 </span> run [ -<span id="L40" class="LineNr"> 40 </span> editor-event-loop screen, console, e +<span id="L40" class="LineNr"> 40 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L41" class="LineNr"> 41 </span> ] <span id="L42" class="LineNr"> 42 </span> screen-should-contain [ <span id="L43" class="LineNr"> 43 </span> <span class="Constant"> . .</span> @@ -109,15 +109,15 @@ if ('onhashchange' in window) { <span id="L48" class="LineNr"> 48 </span> check-trace-count-for-label-greater-than<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L49" class="LineNr"> 49 </span>] <span id="L50" class="LineNr"> 50 </span> -<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L52" class="LineNr"> 52 </span> <span class="Delimiter">{</span> <span id="L53" class="LineNr"> 53 </span> tab?:bool <span class="Special"><-</span> equal c, <span class="Constant">9/tab</span> <span id="L54" class="LineNr"> 54 </span> <span class="muControl">break-unless</span> tab? <span id="L55" class="LineNr"> 55 </span><span class="Constant"> <begin-insert-character></span> <span id="L56" class="LineNr"> 56 </span> <span class="Comment"># todo: decompose insert-at-cursor into editor update and screen update,</span> <span id="L57" class="LineNr"> 57 </span> <span class="Comment"># so that 'tab' doesn't render the current line multiple times</span> -<span id="L58" class="LineNr"> 58 </span> insert-at-cursor editor, <span class="Constant">32/space</span>, screen -<span id="L59" class="LineNr"> 59 </span> go-render? <span class="Special"><-</span> insert-at-cursor editor, <span class="Constant">32/space</span>, screen +<span id="L58" class="LineNr"> 58 </span> <a href='002-typing.mu.html#L203'>insert-at-cursor</a> editor, <span class="Constant">32/space</span>, <a href='../081print.mu.html#L16'>screen</a> +<span id="L59" class="LineNr"> 59 </span> go-render? <span class="Special"><-</span> <a href='002-typing.mu.html#L203'>insert-at-cursor</a> editor, <span class="Constant">32/space</span>, <a href='../081print.mu.html#L16'>screen</a> <span id="L60" class="LineNr"> 60 </span><span class="Constant"> <end-insert-character></span> <span id="L61" class="LineNr"> 61 </span> <span class="muControl"> return</span> <span id="L62" class="LineNr"> 62 </span> <span class="Delimiter">}</span> @@ -128,15 +128,15 @@ if ('onhashchange' in window) { <span id="L67" class="LineNr"> 67 </span><span class="muScenario">scenario</span> editor-handles-backspace-key [ <span id="L68" class="LineNr"> 68 </span> <span class="Constant">local-scope</span> <span id="L69" class="LineNr"> 69 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L70" class="LineNr"> 70 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L71" class="LineNr"> 71 </span> editor-render screen, e +<span id="L70" class="LineNr"> 70 </span> e:&:editor <span class="Special"><-</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="L71" class="LineNr"> 71 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L72" class="LineNr"> 72 </span> $clear-trace <span id="L73" class="LineNr"> 73 </span> assume-console [ <span id="L74" class="LineNr"> 74 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> <span id="L75" class="LineNr"> 75 </span> press backspace <span id="L76" class="LineNr"> 76 </span> ] <span id="L77" class="LineNr"> 77 </span> run [ -<span id="L78" class="LineNr"> 78 </span> editor-event-loop screen, console, e +<span id="L78" class="LineNr"> 78 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L79" class="LineNr"> 79 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L80" class="LineNr"> 80 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L81" class="LineNr"> 81 </span> ] @@ -153,13 +153,13 @@ if ('onhashchange' in window) { <span id="L92" class="LineNr"> 92 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span class="Comment"># length of original line to overwrite</span> <span id="L93" class="LineNr"> 93 </span>] <span id="L94" class="LineNr"> 94 </span> -<span id="L95" class="LineNr"> 95 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L95" class="LineNr"> 95 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L96" class="LineNr"> 96 </span> <span class="Delimiter">{</span> <span id="L97" class="LineNr"> 97 </span> delete-previous-character?:bool <span class="Special"><-</span> equal c, <span class="Constant">8/backspace</span> <span id="L98" class="LineNr"> 98 </span> <span class="muControl">break-unless</span> delete-previous-character? -<span id="L99" class="LineNr"> 99 </span><span class="Constant"> <begin-backspace-character></span> -<span id="L100" class="LineNr"> 100 </span> go-render?:bool, backspaced-cell:&:duplex-list:char <span class="Special"><-</span> delete-before-cursor editor, screen -<span id="L101" class="LineNr"> 101 </span><span class="Constant"> <end-backspace-character></span> +<span id="L99" class="LineNr"> 99 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L99'><begin-backspace-character></a></span> +<span id="L100" class="LineNr"> 100 </span> go-render?:bool, backspaced-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L109'>delete-before-cursor</a> editor, <a href='../081print.mu.html#L16'>screen</a> +<span id="L101" class="LineNr"> 101 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L101'><end-backspace-character></a></span> <span id="L102" class="LineNr"> 102 </span> <span class="muControl"> return</span> <span id="L103" class="LineNr"> 103 </span> <span class="Delimiter">}</span> <span id="L104" class="LineNr"> 104 </span>] @@ -167,23 +167,23 @@ if ('onhashchange' in window) { <span id="L106" class="LineNr"> 106 </span><span class="Comment"># return values:</span> <span id="L107" class="LineNr"> 107 </span><span class="Comment"># go-render? - whether caller needs to update the screen</span> <span id="L108" class="LineNr"> 108 </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="L109" class="LineNr"> 109 </span><span class="muRecipe">def</span> delete-before-cursor editor:&:editor, screen:&:screen<span class="muRecipe"> -> </span>go-render?:bool, backspaced-cell:&:duplex-list:char, editor:&:editor, screen:&:screen [ +<span id="L109" class="LineNr"> 109 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L109'>delete-before-cursor</a> editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>go-render?:bool, backspaced-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ <span id="L110" class="LineNr"> 110 </span> <span class="Constant">local-scope</span> <span id="L111" class="LineNr"> 111 </span> <span class="Constant">load-inputs</span> -<span id="L112" class="LineNr"> 112 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L113" class="LineNr"> 113 </span> data:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L112" class="LineNr"> 112 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L113" class="LineNr"> 113 </span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> <span id="L114" class="LineNr"> 114 </span> <span class="Comment"># if at start of text (before-cursor at § sentinel), return</span> -<span id="L115" class="LineNr"> 115 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev before-cursor -<span id="L116" class="LineNr"> 116 </span> <span class="muControl">return-unless</span> prev, <span class="Constant">0/no-more-render</span>, <span class="Constant">0/nothing-deleted</span> +<span id="L115" class="LineNr"> 115 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor +<span id="L116" class="LineNr"> 116 </span> <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a>, <span class="Constant">0/no-more-render</span>, <span class="Constant">0/nothing-deleted</span> <span id="L117" class="LineNr"> 117 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[delete-before-cursor]</span> <span id="L118" class="LineNr"> 118 </span> original-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L119" class="LineNr"> 119 </span> scroll?:bool <span class="Special"><-</span> move-cursor-coordinates-left editor -<span id="L120" class="LineNr"> 120 </span> backspaced-cell:&:duplex-list:char <span class="Special"><-</span> copy before-cursor +<span id="L119" class="LineNr"> 119 </span> scroll?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L156'>move-cursor-coordinates-left</a> editor +<span id="L120" class="LineNr"> 120 </span> backspaced-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy before-cursor <span id="L121" class="LineNr"> 121 </span> data <span class="Special"><-</span> remove before-cursor, data <span class="Comment"># will also neatly trim next/prev pointers in backspaced-cell/before-cursor</span> -<span id="L122" class="LineNr"> 122 </span> before-cursor <span class="Special"><-</span> copy prev +<span id="L122" class="LineNr"> 122 </span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> <span id="L123" class="LineNr"> 123 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L124" class="LineNr"> 124 </span> <span class="muControl">return-if</span> scroll?, <span class="Constant">1/go-render</span> -<span id="L125" class="LineNr"> 125 </span> screen-width:num <span class="Special"><-</span> screen-width screen +<span id="L125" class="LineNr"> 125 </span> <a href='../081print.mu.html#L768'>screen-width</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> <span id="L126" class="LineNr"> 126 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L127" class="LineNr"> 127 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L128" class="LineNr"> 128 </span> <span class="Comment"># did we just backspace over a newline?</span> @@ -191,8 +191,8 @@ if ('onhashchange' in window) { <span id="L130" class="LineNr"> 130 </span> <span class="muControl">return-unless</span> same-row?, <span class="Constant">1/go-render</span> <span id="L131" class="LineNr"> 131 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L132" class="LineNr"> 132 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L133" class="LineNr"> 133 </span> curr:&:duplex-list:char <span class="Special"><-</span> next before-cursor -<span id="L134" class="LineNr"> 134 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column +<span id="L133" class="LineNr"> 133 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L134" class="LineNr"> 134 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column <span id="L135" class="LineNr"> 135 </span> curr-column:num <span class="Special"><-</span> copy cursor-column <span id="L136" class="LineNr"> 136 </span> <span class="Delimiter">{</span> <span id="L137" class="LineNr"> 137 </span> <span class="Comment"># hit right margin? give up and let caller render</span> @@ -203,22 +203,22 @@ if ('onhashchange' in window) { <span id="L142" class="LineNr"> 142 </span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L143" class="LineNr"> 143 </span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> <span id="L144" class="LineNr"> 144 </span> <span class="muControl">break-if</span> at-newline? -<span id="L145" class="LineNr"> 145 </span> screen <span class="Special"><-</span> print screen, currc +<span id="L145" class="LineNr"> 145 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, currc <span id="L146" class="LineNr"> 146 </span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> -<span id="L147" class="LineNr"> 147 </span> curr <span class="Special"><-</span> next curr +<span id="L147" class="LineNr"> 147 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr <span id="L148" class="LineNr"> 148 </span> <span class="muControl"> loop</span> <span id="L149" class="LineNr"> 149 </span> <span class="Delimiter">}</span> <span id="L150" class="LineNr"> 150 </span> <span class="Comment"># we're guaranteed not to be at the right margin</span> <span id="L151" class="LineNr"> 151 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L152" class="LineNr"> 152 </span> screen <span class="Special"><-</span> print screen, space +<span id="L152" class="LineNr"> 152 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, space <span id="L153" class="LineNr"> 153 </span> go-render? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L154" class="LineNr"> 154 </span>] <span id="L155" class="LineNr"> 155 </span> -<span id="L156" class="LineNr"> 156 </span><span class="muRecipe">def</span> move-cursor-coordinates-left editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L156" class="LineNr"> 156 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L156'>move-cursor-coordinates-left</a> editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L157" class="LineNr"> 157 </span> <span class="Constant">local-scope</span> <span id="L158" class="LineNr"> 158 </span> <span class="Constant">load-inputs</span> <span id="L159" class="LineNr"> 159 </span> go-render?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L160" class="LineNr"> 160 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L160" class="LineNr"> 160 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L161" class="LineNr"> 161 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L162" class="LineNr"> 162 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L163" class="LineNr"> 163 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> @@ -250,8 +250,8 @@ if ('onhashchange' in window) { <span id="L189" class="LineNr"> 189 </span> <span class="muControl">break-unless</span> previous-character-is-newline? <span id="L190" class="LineNr"> 190 </span> <span class="Comment"># compute length of previous line</span> <span id="L191" class="LineNr"> 191 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[switching to previous line]</span> -<span id="L192" class="LineNr"> 192 </span> d:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L193" class="LineNr"> 193 </span> end-of-line:num <span class="Special"><-</span> previous-line-length before-cursor, d +<span id="L192" class="LineNr"> 192 </span> d:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L193" class="LineNr"> 193 </span> end-of-line:num <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L219'>previous-line-length</a> before-cursor, d <span id="L194" class="LineNr"> 194 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L195" class="LineNr"> 195 </span> width:num <span class="Special"><-</span> subtract right, left <span id="L196" class="LineNr"> 196 </span> wrap?:bool <span class="Special"><-</span> greater-than end-of-line, width @@ -277,7 +277,7 @@ if ('onhashchange' in window) { <span id="L216" class="LineNr"> 216 </span> <span id="L217" class="LineNr"> 217 </span><span class="Comment"># takes a pointer 'curr' into the doubly-linked list and its sentinel, counts</span> <span id="L218" class="LineNr"> 218 </span><span class="Comment"># the length of the previous line before the 'curr' pointer.</span> -<span id="L219" class="LineNr"> 219 </span><span class="muRecipe">def</span> previous-line-length curr:&:duplex-list:char, start:&:duplex-list:char<span class="muRecipe"> -> </span>result:num [ +<span id="L219" class="LineNr"> 219 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L219'>previous-line-length</a> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char<span class="muRecipe"> -> </span>result:num [ <span id="L220" class="LineNr"> 220 </span> <span class="Constant">local-scope</span> <span id="L221" class="LineNr"> 221 </span> <span class="Constant">load-inputs</span> <span id="L222" class="LineNr"> 222 </span> result:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> @@ -285,7 +285,7 @@ if ('onhashchange' in window) { <span id="L224" class="LineNr"> 224 </span> at-start?:bool <span class="Special"><-</span> equal curr, start <span id="L225" class="LineNr"> 225 </span> <span class="muControl">return-if</span> at-start? <span id="L226" class="LineNr"> 226 </span> <span class="Delimiter">{</span> -<span id="L227" class="LineNr"> 227 </span> curr <span class="Special"><-</span> prev curr +<span id="L227" class="LineNr"> 227 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr <span id="L228" class="LineNr"> 228 </span> <span class="muControl">break-unless</span> curr <span id="L229" class="LineNr"> 229 </span> at-start?:bool <span class="Special"><-</span> equal curr, start <span id="L230" class="LineNr"> 230 </span> <span class="muControl">break-if</span> at-start? @@ -302,13 +302,13 @@ if ('onhashchange' in window) { <span id="L241" class="LineNr"> 241 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L242" class="LineNr"> 242 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L243" class="LineNr"> 243 </span><span class="Constant">cd]</span> -<span id="L244" class="LineNr"> 244 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L244" class="LineNr"> 244 </span> e:&:editor <span class="Special"><-</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="L245" class="LineNr"> 245 </span> assume-console [ <span id="L246" class="LineNr"> 246 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> <span id="L247" class="LineNr"> 247 </span> press backspace <span id="L248" class="LineNr"> 248 </span> ] <span id="L249" class="LineNr"> 249 </span> run [ -<span id="L250" class="LineNr"> 250 </span> editor-event-loop screen, console, e +<span id="L250" class="LineNr"> 250 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L251" class="LineNr"> 251 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L252" class="LineNr"> 252 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L253" class="LineNr"> 253 </span> ] @@ -330,8 +330,8 @@ if ('onhashchange' in window) { <span id="L269" class="LineNr"> 269 </span> <span class="Comment"># initialize editor with two long-ish but non-wrapping lines</span> <span id="L270" class="LineNr"> 270 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc def</span> <span id="L271" class="LineNr"> 271 </span><span class="Constant">ghi jkl]</span> -<span id="L272" class="LineNr"> 272 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L273" class="LineNr"> 273 </span> editor-render screen, e +<span id="L272" class="LineNr"> 272 </span> e:&:editor <span class="Special"><-</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="L273" class="LineNr"> 273 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L274" class="LineNr"> 274 </span> $clear-trace <span id="L275" class="LineNr"> 275 </span> <span class="Comment"># position the cursor at the start of the second and hit backspace</span> <span id="L276" class="LineNr"> 276 </span> assume-console [ @@ -339,7 +339,7 @@ if ('onhashchange' in window) { <span id="L278" class="LineNr"> 278 </span> press backspace <span id="L279" class="LineNr"> 279 </span> ] <span id="L280" class="LineNr"> 280 </span> run [ -<span id="L281" class="LineNr"> 281 </span> editor-event-loop screen, console, e +<span id="L281" class="LineNr"> 281 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L282" class="LineNr"> 282 </span> ] <span id="L283" class="LineNr"> 283 </span> <span class="Comment"># resulting single line should wrap correctly</span> <span id="L284" class="LineNr"> 284 </span> screen-should-contain [ @@ -355,8 +355,8 @@ if ('onhashchange' in window) { <span id="L294" class="LineNr"> 294 </span> <span class="Constant">local-scope</span> <span id="L295" class="LineNr"> 295 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L296" class="LineNr"> 296 </span> <span class="Comment"># initialize editor in part of the screen with a long line</span> -<span id="L297" class="LineNr"> 297 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc def ghij]</span>, <span class="Constant">0/left</span>, <span class="Constant">8/right</span> -<span id="L298" class="LineNr"> 298 </span> editor-render screen, e +<span id="L297" class="LineNr"> 297 </span> e:&:editor <span class="Special"><-</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="L298" class="LineNr"> 298 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L299" class="LineNr"> 299 </span> <span class="Comment"># confirm that it wraps</span> <span id="L300" class="LineNr"> 300 </span> screen-should-contain [ <span id="L301" class="LineNr"> 301 </span> <span class="Constant"> . .</span> @@ -371,7 +371,7 @@ if ('onhashchange' in window) { <span id="L310" class="LineNr"> 310 </span> press backspace <span id="L311" class="LineNr"> 311 </span> ] <span id="L312" class="LineNr"> 312 </span> run [ -<span id="L313" class="LineNr"> 313 </span> editor-event-loop screen, console, e +<span id="L313" class="LineNr"> 313 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L314" class="LineNr"> 314 </span> ] <span id="L315" class="LineNr"> 315 </span> <span class="Comment"># resulting single line should wrap correctly and not overflow its bounds</span> <span id="L316" class="LineNr"> 316 </span> screen-should-contain [ @@ -388,14 +388,14 @@ if ('onhashchange' in window) { <span id="L327" class="LineNr"> 327 </span><span class="muScenario">scenario</span> editor-handles-delete-key [ <span id="L328" class="LineNr"> 328 </span> <span class="Constant">local-scope</span> <span id="L329" class="LineNr"> 329 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L330" class="LineNr"> 330 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L331" class="LineNr"> 331 </span> editor-render screen, e +<span id="L330" class="LineNr"> 330 </span> e:&:editor <span class="Special"><-</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="L331" class="LineNr"> 331 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L332" class="LineNr"> 332 </span> $clear-trace <span id="L333" class="LineNr"> 333 </span> assume-console [ <span id="L334" class="LineNr"> 334 </span> press delete <span id="L335" class="LineNr"> 335 </span> ] <span id="L336" class="LineNr"> 336 </span> run [ -<span id="L337" class="LineNr"> 337 </span> editor-event-loop screen, console, e +<span id="L337" class="LineNr"> 337 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L338" class="LineNr"> 338 </span> ] <span id="L339" class="LineNr"> 339 </span> screen-should-contain [ <span id="L340" class="LineNr"> 340 </span> <span class="Constant"> . .</span> @@ -409,7 +409,7 @@ if ('onhashchange' in window) { <span id="L348" class="LineNr"> 348 </span> press delete <span id="L349" class="LineNr"> 349 </span> ] <span id="L350" class="LineNr"> 350 </span> run [ -<span id="L351" class="LineNr"> 351 </span> editor-event-loop screen, console, e +<span id="L351" class="LineNr"> 351 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L352" class="LineNr"> 352 </span> ] <span id="L353" class="LineNr"> 353 </span> screen-should-contain [ <span id="L354" class="LineNr"> 354 </span> <span class="Constant"> . .</span> @@ -420,51 +420,51 @@ if ('onhashchange' in window) { <span id="L359" class="LineNr"> 359 </span> check-trace-count-for-label<span class="Constant"> 2</span>, <span class="Constant">[print-character]</span> <span class="Comment"># new length to overwrite</span> <span id="L360" class="LineNr"> 360 </span>] <span id="L361" class="LineNr"> 361 </span> -<span id="L362" class="LineNr"> 362 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L362" class="LineNr"> 362 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L363" class="LineNr"> 363 </span> <span class="Delimiter">{</span> <span id="L364" class="LineNr"> 364 </span> delete-next-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65522/delete</span> <span id="L365" class="LineNr"> 365 </span> <span class="muControl">break-unless</span> delete-next-character? -<span id="L366" class="LineNr"> 366 </span><span class="Constant"> <begin-delete-character></span> -<span id="L367" class="LineNr"> 367 </span> go-render?:bool, deleted-cell:&:duplex-list:char <span class="Special"><-</span> delete-at-cursor editor, screen -<span id="L368" class="LineNr"> 368 </span><span class="Constant"> <end-delete-character></span> +<span id="L366" class="LineNr"> 366 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L366'><begin-delete-character></a></span> +<span id="L367" class="LineNr"> 367 </span> go-render?:bool, deleted-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L373'>delete-at-cursor</a> editor, <a href='../081print.mu.html#L16'>screen</a> +<span id="L368" class="LineNr"> 368 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L368'><end-delete-character></a></span> <span id="L369" class="LineNr"> 369 </span> <span class="muControl"> return</span> <span id="L370" class="LineNr"> 370 </span> <span class="Delimiter">}</span> <span id="L371" class="LineNr"> 371 </span>] <span id="L372" class="LineNr"> 372 </span> -<span id="L373" class="LineNr"> 373 </span><span class="muRecipe">def</span> delete-at-cursor editor:&:editor, screen:&:screen<span class="muRecipe"> -> </span>go-render?:bool, deleted-cell:&:duplex-list:char, editor:&:editor, screen:&:screen [ +<span id="L373" class="LineNr"> 373 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L373'>delete-at-cursor</a> editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>go-render?:bool, deleted-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ <span id="L374" class="LineNr"> 374 </span> <span class="Constant">local-scope</span> <span id="L375" class="LineNr"> 375 </span> <span class="Constant">load-inputs</span> -<span id="L376" class="LineNr"> 376 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L377" class="LineNr"> 377 </span> data:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L378" class="LineNr"> 378 </span> deleted-cell:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L376" class="LineNr"> 376 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L377" class="LineNr"> 377 </span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L378" class="LineNr"> 378 </span> deleted-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor <span id="L379" class="LineNr"> 379 </span> <span class="muControl">return-unless</span> deleted-cell, <span class="Constant">0/don't-render</span> <span id="L380" class="LineNr"> 380 </span> currc:char <span class="Special"><-</span> get *deleted-cell, <span class="Constant">value:offset</span> <span id="L381" class="LineNr"> 381 </span> data <span class="Special"><-</span> remove deleted-cell, data <span id="L382" class="LineNr"> 382 </span> deleted-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> <span id="L383" class="LineNr"> 383 </span> <span class="muControl">return-if</span> deleted-newline?, <span class="Constant">1/go-render</span> <span id="L384" class="LineNr"> 384 </span> <span class="Comment"># wasn't a newline? render rest of line</span> -<span id="L385" class="LineNr"> 385 </span> curr:&:duplex-list:char <span class="Special"><-</span> next before-cursor <span class="Comment"># refresh after remove above</span> +<span id="L385" class="LineNr"> 385 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor <span class="Comment"># refresh after remove above</span> <span id="L386" class="LineNr"> 386 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L387" class="LineNr"> 387 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L388" class="LineNr"> 388 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column +<span id="L388" class="LineNr"> 388 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column <span id="L389" class="LineNr"> 389 </span> curr-column:num <span class="Special"><-</span> copy cursor-column -<span id="L390" class="LineNr"> 390 </span> screen-width:num <span class="Special"><-</span> screen-width screen +<span id="L390" class="LineNr"> 390 </span> <a href='../081print.mu.html#L768'>screen-width</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> <span id="L391" class="LineNr"> 391 </span> <span class="Delimiter">{</span> <span id="L392" class="LineNr"> 392 </span> <span class="Comment"># hit right margin? give up and let caller render</span> -<span id="L393" class="LineNr"> 393 </span> at-right?:bool <span class="Special"><-</span> greater-or-equal curr-column, screen-width +<span id="L393" class="LineNr"> 393 </span> at-right?:bool <span class="Special"><-</span> greater-or-equal curr-column, <a href='../081print.mu.html#L768'>screen-width</a> <span id="L394" class="LineNr"> 394 </span> <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span> <span id="L395" class="LineNr"> 395 </span> <span class="muControl">break-unless</span> curr <span id="L396" class="LineNr"> 396 </span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L397" class="LineNr"> 397 </span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> <span id="L398" class="LineNr"> 398 </span> <span class="muControl">break-if</span> at-newline? -<span id="L399" class="LineNr"> 399 </span> screen <span class="Special"><-</span> print screen, currc +<span id="L399" class="LineNr"> 399 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, currc <span id="L400" class="LineNr"> 400 </span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> -<span id="L401" class="LineNr"> 401 </span> curr <span class="Special"><-</span> next curr +<span id="L401" class="LineNr"> 401 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr <span id="L402" class="LineNr"> 402 </span> <span class="muControl"> loop</span> <span id="L403" class="LineNr"> 403 </span> <span class="Delimiter">}</span> <span id="L404" class="LineNr"> 404 </span> <span class="Comment"># we're guaranteed not to be at the right margin</span> <span id="L405" class="LineNr"> 405 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L406" class="LineNr"> 406 </span> screen <span class="Special"><-</span> print screen, space +<span id="L406" class="LineNr"> 406 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, space <span id="L407" class="LineNr"> 407 </span> go-render? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L408" class="LineNr"> 408 </span>] <span id="L409" class="LineNr"> 409 </span> @@ -473,15 +473,15 @@ if ('onhashchange' in window) { <span id="L412" class="LineNr"> 412 </span><span class="muScenario">scenario</span> editor-moves-cursor-right-with-key [ <span id="L413" class="LineNr"> 413 </span> <span class="Constant">local-scope</span> <span id="L414" class="LineNr"> 414 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L415" class="LineNr"> 415 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L416" class="LineNr"> 416 </span> editor-render screen, e +<span id="L415" class="LineNr"> 415 </span> e:&:editor <span class="Special"><-</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="L416" class="LineNr"> 416 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L417" class="LineNr"> 417 </span> $clear-trace <span id="L418" class="LineNr"> 418 </span> assume-console [ <span id="L419" class="LineNr"> 419 </span> press right-arrow <span id="L420" class="LineNr"> 420 </span> type <span class="Constant">[0]</span> <span id="L421" class="LineNr"> 421 </span> ] <span id="L422" class="LineNr"> 422 </span> run [ -<span id="L423" class="LineNr"> 423 </span> editor-event-loop screen, console, e +<span id="L423" class="LineNr"> 423 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L424" class="LineNr"> 424 </span> ] <span id="L425" class="LineNr"> 425 </span> screen-should-contain [ <span id="L426" class="LineNr"> 426 </span> <span class="Constant"> . .</span> @@ -492,29 +492,29 @@ if ('onhashchange' in window) { <span id="L431" class="LineNr"> 431 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span class="Comment"># 0 and following characters</span> <span id="L432" class="LineNr"> 432 </span>] <span id="L433" class="LineNr"> 433 </span> -<span id="L434" class="LineNr"> 434 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L434" class="LineNr"> 434 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L435" class="LineNr"> 435 </span> <span class="Delimiter">{</span> <span id="L436" class="LineNr"> 436 </span> move-to-next-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65514/right-arrow</span> <span id="L437" class="LineNr"> 437 </span> <span class="muControl">break-unless</span> move-to-next-character? <span id="L438" class="LineNr"> 438 </span> <span class="Comment"># if not at end of text</span> -<span id="L439" class="LineNr"> 439 </span> next-cursor:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L439" class="LineNr"> 439 </span> next-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor <span id="L440" class="LineNr"> 440 </span> <span class="muControl">break-unless</span> next-cursor <span id="L441" class="LineNr"> 441 </span> <span class="Comment"># scan to next character</span> <span id="L442" class="LineNr"> 442 </span><span class="Constant"> <begin-move-cursor></span> <span id="L443" class="LineNr"> 443 </span> before-cursor <span class="Special"><-</span> copy next-cursor <span id="L444" class="LineNr"> 444 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L445" class="LineNr"> 445 </span> go-render?:bool <span class="Special"><-</span> move-cursor-coordinates-right editor, screen-height -<span id="L446" class="LineNr"> 446 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column +<span id="L445" class="LineNr"> 445 </span> go-render?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L453'>move-cursor-coordinates-right</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> +<span id="L446" class="LineNr"> 446 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column <span id="L447" class="LineNr"> 447 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">2/right-arrow</span> <span id="L448" class="LineNr"> 448 </span><span class="Constant"> <end-move-cursor></span> <span id="L449" class="LineNr"> 449 </span> <span class="muControl"> return</span> <span id="L450" class="LineNr"> 450 </span> <span class="Delimiter">}</span> <span id="L451" class="LineNr"> 451 </span>] <span id="L452" class="LineNr"> 452 </span> -<span id="L453" class="LineNr"> 453 </span><span class="muRecipe">def</span> move-cursor-coordinates-right editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L453" class="LineNr"> 453 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L453'>move-cursor-coordinates-right</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L454" class="LineNr"> 454 </span> <span class="Constant">local-scope</span> <span id="L455" class="LineNr"> 455 </span> <span class="Constant">load-inputs</span> -<span id="L456" class="LineNr"> 456 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor <span class="Constant">before-cursor:offset</span> +<span id="L456" class="LineNr"> 456 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor <span class="Constant">before-cursor:offset</span> <span id="L457" class="LineNr"> 457 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L458" class="LineNr"> 458 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L459" class="LineNr"> 459 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> @@ -528,7 +528,7 @@ if ('onhashchange' in window) { <span id="L467" class="LineNr"> 467 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row <span id="L468" class="LineNr"> 468 </span> cursor-column <span class="Special"><-</span> copy left <span id="L469" class="LineNr"> 469 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L470" class="LineNr"> 470 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, screen-height <span class="Comment"># must be equal</span> +<span id="L470" class="LineNr"> 470 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L782'>screen-height</a> <span class="Comment"># must be equal</span> <span id="L471" class="LineNr"> 471 </span> <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/don't-render</span> <span id="L472" class="LineNr"> 472 </span><span class="Constant"> <scroll-down></span> <span id="L473" class="LineNr"> 473 </span> cursor-row <span class="Special"><-</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="L481" class="LineNr"> 481 </span> at-wrap?:bool <span class="Special"><-</span> equal cursor-column, wrap-column <span id="L482" class="LineNr"> 482 </span> <span class="muControl">break-unless</span> at-wrap? <span id="L483" class="LineNr"> 483 </span> <span class="Comment"># and if next character isn't newline</span> -<span id="L484" class="LineNr"> 484 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor -<span id="L485" class="LineNr"> 485 </span> <span class="muControl">break-unless</span> next +<span id="L484" class="LineNr"> 484 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L485" class="LineNr"> 485 </span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L486" class="LineNr"> 486 </span> next-character:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> <span id="L487" class="LineNr"> 487 </span> newline?:bool <span class="Special"><-</span> equal next-character, <span class="Constant">10/newline</span> <span id="L488" class="LineNr"> 488 </span> <span class="muControl">break-if</span> newline? @@ -551,7 +551,7 @@ if ('onhashchange' in window) { <span id="L490" class="LineNr"> 490 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row <span id="L491" class="LineNr"> 491 </span> cursor-column <span class="Special"><-</span> copy left <span id="L492" class="LineNr"> 492 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L493" class="LineNr"> 493 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, screen-height <span class="Comment"># must be equal</span> +<span id="L493" class="LineNr"> 493 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L782'>screen-height</a> <span class="Comment"># must be equal</span> <span id="L494" class="LineNr"> 494 </span> <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/no-more-render</span> <span id="L495" class="LineNr"> 495 </span><span class="Constant"> <scroll-down></span> <span id="L496" class="LineNr"> 496 </span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># bring back into screen range</span> @@ -569,8 +569,8 @@ if ('onhashchange' in window) { <span id="L508" class="LineNr"> 508 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L509" class="LineNr"> 509 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L510" class="LineNr"> 510 </span><span class="Constant">d]</span> -<span id="L511" class="LineNr"> 511 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L512" class="LineNr"> 512 </span> editor-render screen, e +<span id="L511" class="LineNr"> 511 </span> e:&:editor <span class="Special"><-</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="L512" class="LineNr"> 512 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L513" class="LineNr"> 513 </span> $clear-trace <span id="L514" class="LineNr"> 514 </span> <span class="Comment"># type right-arrow a few times to get to start of second line</span> <span id="L515" class="LineNr"> 515 </span> assume-console [ @@ -580,7 +580,7 @@ if ('onhashchange' in window) { <span id="L519" class="LineNr"> 519 </span> press right-arrow <span class="Comment"># next line</span> <span id="L520" class="LineNr"> 520 </span> ] <span id="L521" class="LineNr"> 521 </span> run [ -<span id="L522" class="LineNr"> 522 </span> editor-event-loop screen, console, e +<span id="L522" class="LineNr"> 522 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L523" class="LineNr"> 523 </span> ] <span id="L524" class="LineNr"> 524 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L525" class="LineNr"> 525 </span> <span class="Comment"># type something and ensure it goes where it should</span> @@ -588,7 +588,7 @@ if ('onhashchange' in window) { <span id="L527" class="LineNr"> 527 </span> type <span class="Constant">[0]</span> <span id="L528" class="LineNr"> 528 </span> ] <span id="L529" class="LineNr"> 529 </span> run [ -<span id="L530" class="LineNr"> 530 </span> editor-event-loop screen, console, e +<span id="L530" class="LineNr"> 530 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L531" class="LineNr"> 531 </span> ] <span id="L532" class="LineNr"> 532 </span> screen-should-contain [ <span id="L533" class="LineNr"> 533 </span> <span class="Constant"> . .</span> @@ -605,8 +605,8 @@ if ('onhashchange' in window) { <span id="L544" class="LineNr"> 544 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L545" class="LineNr"> 545 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L546" class="LineNr"> 546 </span><span class="Constant">d]</span> -<span id="L547" class="LineNr"> 547 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> -<span id="L548" class="LineNr"> 548 </span> editor-render screen, e +<span id="L547" class="LineNr"> 547 </span> e:&:editor <span class="Special"><-</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="L548" class="LineNr"> 548 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L549" class="LineNr"> 549 </span> assume-console [ <span id="L550" class="LineNr"> 550 </span> press right-arrow <span id="L551" class="LineNr"> 551 </span> press right-arrow @@ -615,7 +615,7 @@ if ('onhashchange' in window) { <span id="L554" class="LineNr"> 554 </span> type <span class="Constant">[0]</span> <span id="L555" class="LineNr"> 555 </span> ] <span id="L556" class="LineNr"> 556 </span> run [ -<span id="L557" class="LineNr"> 557 </span> editor-event-loop screen, console, e +<span id="L557" class="LineNr"> 557 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L558" class="LineNr"> 558 </span> ] <span id="L559" class="LineNr"> 559 </span> screen-should-contain [ <span id="L560" class="LineNr"> 560 </span> <span class="Constant"> . .</span> @@ -629,15 +629,15 @@ if ('onhashchange' in window) { <span id="L568" class="LineNr"> 568 </span><span class="muScenario">scenario</span> editor-moves-cursor-to-next-wrapped-line-with-right-arrow [ <span id="L569" class="LineNr"> 569 </span> <span class="Constant">local-scope</span> <span id="L570" class="LineNr"> 570 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L571" class="LineNr"> 571 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L572" class="LineNr"> 572 </span> editor-render screen, e +<span id="L571" class="LineNr"> 571 </span> e:&:editor <span class="Special"><-</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="L572" class="LineNr"> 572 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L573" class="LineNr"> 573 </span> $clear-trace <span id="L574" class="LineNr"> 574 </span> assume-console [ <span id="L575" class="LineNr"> 575 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> <span id="L576" class="LineNr"> 576 </span> press right-arrow <span id="L577" class="LineNr"> 577 </span> ] <span id="L578" class="LineNr"> 578 </span> run [ -<span id="L579" class="LineNr"> 579 </span> editor-event-loop screen, console, e +<span id="L579" class="LineNr"> 579 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L580" class="LineNr"> 580 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L581" class="LineNr"> 581 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L582" class="LineNr"> 582 </span> ] @@ -659,8 +659,8 @@ if ('onhashchange' in window) { <span id="L598" class="LineNr"> 598 </span> <span class="Constant">local-scope</span> <span id="L599" class="LineNr"> 599 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L600" class="LineNr"> 600 </span> <span class="Comment"># line just barely wrapping</span> -<span id="L601" class="LineNr"> 601 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L602" class="LineNr"> 602 </span> editor-render screen, e +<span id="L601" class="LineNr"> 601 </span> e:&:editor <span class="Special"><-</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="L602" class="LineNr"> 602 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L603" class="LineNr"> 603 </span> $clear-trace <span id="L604" class="LineNr"> 604 </span> <span class="Comment"># position cursor at last character before wrap and hit right-arrow</span> <span id="L605" class="LineNr"> 605 </span> assume-console [ @@ -668,7 +668,7 @@ if ('onhashchange' in window) { <span id="L607" class="LineNr"> 607 </span> press right-arrow <span id="L608" class="LineNr"> 608 </span> ] <span id="L609" class="LineNr"> 609 </span> run [ -<span id="L610" class="LineNr"> 610 </span> editor-event-loop screen, console, e +<span id="L610" class="LineNr"> 610 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L611" class="LineNr"> 611 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L612" class="LineNr"> 612 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L613" class="LineNr"> 613 </span> ] @@ -681,7 +681,7 @@ if ('onhashchange' in window) { <span id="L620" class="LineNr"> 620 </span> press right-arrow <span id="L621" class="LineNr"> 621 </span> ] <span id="L622" class="LineNr"> 622 </span> run [ -<span id="L623" class="LineNr"> 623 </span> editor-event-loop screen, console, e +<span id="L623" class="LineNr"> 623 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L624" class="LineNr"> 624 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L625" class="LineNr"> 625 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L626" class="LineNr"> 626 </span> ] @@ -695,15 +695,15 @@ if ('onhashchange' in window) { <span id="L634" class="LineNr"> 634 </span><span class="muScenario">scenario</span> editor-moves-cursor-to-next-wrapped-line-with-right-arrow-3 [ <span id="L635" class="LineNr"> 635 </span> <span class="Constant">local-scope</span> <span id="L636" class="LineNr"> 636 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L637" class="LineNr"> 637 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">1/left</span>, <span class="Constant">6/right</span> -<span id="L638" class="LineNr"> 638 </span> editor-render screen, e +<span id="L637" class="LineNr"> 637 </span> e:&:editor <span class="Special"><-</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="L638" class="LineNr"> 638 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L639" class="LineNr"> 639 </span> $clear-trace <span id="L640" class="LineNr"> 640 </span> assume-console [ <span id="L641" class="LineNr"> 641 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span> <span id="L642" class="LineNr"> 642 </span> press right-arrow <span id="L643" class="LineNr"> 643 </span> ] <span id="L644" class="LineNr"> 644 </span> run [ -<span id="L645" class="LineNr"> 645 </span> editor-event-loop screen, console, e +<span id="L645" class="LineNr"> 645 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L646" class="LineNr"> 646 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L647" class="LineNr"> 647 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L648" class="LineNr"> 648 </span> ] @@ -726,8 +726,8 @@ if ('onhashchange' in window) { <span id="L665" class="LineNr"> 665 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L666" class="LineNr"> 666 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L667" class="LineNr"> 667 </span><span class="Constant">d]</span> -<span id="L668" class="LineNr"> 668 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L669" class="LineNr"> 669 </span> editor-render screen, e +<span id="L668" class="LineNr"> 668 </span> e:&:editor <span class="Special"><-</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="L669" class="LineNr"> 669 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L670" class="LineNr"> 670 </span> $clear-trace <span id="L671" class="LineNr"> 671 </span> <span class="Comment"># move to end of line, press right-arrow, type a character</span> <span id="L672" class="LineNr"> 672 </span> assume-console [ @@ -736,7 +736,7 @@ if ('onhashchange' in window) { <span id="L675" class="LineNr"> 675 </span> type <span class="Constant">[0]</span> <span id="L676" class="LineNr"> 676 </span> ] <span id="L677" class="LineNr"> 677 </span> run [ -<span id="L678" class="LineNr"> 678 </span> editor-event-loop screen, console, e +<span id="L678" class="LineNr"> 678 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L679" class="LineNr"> 679 </span> ] <span id="L680" class="LineNr"> 680 </span> <span class="Comment"># new character should be in next line</span> <span id="L681" class="LineNr"> 681 </span> screen-should-contain [ @@ -756,8 +756,8 @@ if ('onhashchange' in window) { <span id="L695" class="LineNr"> 695 </span><span class="muScenario">scenario</span> editor-moves-cursor-left-with-key [ <span id="L696" class="LineNr"> 696 </span> <span class="Constant">local-scope</span> <span id="L697" class="LineNr"> 697 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L698" class="LineNr"> 698 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L699" class="LineNr"> 699 </span> editor-render screen, e +<span id="L698" class="LineNr"> 698 </span> e:&:editor <span class="Special"><-</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="L699" class="LineNr"> 699 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L700" class="LineNr"> 700 </span> $clear-trace <span id="L701" class="LineNr"> 701 </span> assume-console [ <span id="L702" class="LineNr"> 702 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> @@ -765,7 +765,7 @@ if ('onhashchange' in window) { <span id="L704" class="LineNr"> 704 </span> type <span class="Constant">[0]</span> <span id="L705" class="LineNr"> 705 </span> ] <span id="L706" class="LineNr"> 706 </span> run [ -<span id="L707" class="LineNr"> 707 </span> editor-event-loop screen, console, e +<span id="L707" class="LineNr"> 707 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L708" class="LineNr"> 708 </span> ] <span id="L709" class="LineNr"> 709 </span> screen-should-contain [ <span id="L710" class="LineNr"> 710 </span> <span class="Constant"> . .</span> @@ -776,17 +776,17 @@ if ('onhashchange' in window) { <span id="L715" class="LineNr"> 715 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span id="L716" class="LineNr"> 716 </span>] <span id="L717" class="LineNr"> 717 </span> -<span id="L718" class="LineNr"> 718 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L718" class="LineNr"> 718 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L719" class="LineNr"> 719 </span> <span class="Delimiter">{</span> <span id="L720" class="LineNr"> 720 </span> move-to-previous-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65515/left-arrow</span> <span id="L721" class="LineNr"> 721 </span> <span class="muControl">break-unless</span> move-to-previous-character? <span id="L722" class="LineNr"> 722 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[left arrow]</span> <span id="L723" class="LineNr"> 723 </span> <span class="Comment"># if not at start of text (before-cursor at § sentinel)</span> -<span id="L724" class="LineNr"> 724 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev before-cursor -<span id="L725" class="LineNr"> 725 </span> <span class="muControl">return-unless</span> prev, <span class="Constant">0/don't-render</span> +<span id="L724" class="LineNr"> 724 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor +<span id="L725" class="LineNr"> 725 </span> <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a>, <span class="Constant">0/don't-render</span> <span id="L726" class="LineNr"> 726 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L727" class="LineNr"> 727 </span> go-render? <span class="Special"><-</span> move-cursor-coordinates-left editor -<span id="L728" class="LineNr"> 728 </span> before-cursor <span class="Special"><-</span> copy prev +<span id="L727" class="LineNr"> 727 </span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L156'>move-cursor-coordinates-left</a> editor +<span id="L728" class="LineNr"> 728 </span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> <span id="L729" class="LineNr"> 729 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L730" class="LineNr"> 730 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">1/left-arrow</span> <span id="L731" class="LineNr"> 731 </span><span class="Constant"> <end-move-cursor></span> @@ -800,8 +800,8 @@ if ('onhashchange' in window) { <span id="L739" class="LineNr"> 739 </span> <span class="Comment"># initialize editor with two lines</span> <span id="L740" class="LineNr"> 740 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L741" class="LineNr"> 741 </span><span class="Constant">d]</span> -<span id="L742" class="LineNr"> 742 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L743" class="LineNr"> 743 </span> editor-render screen, e +<span id="L742" class="LineNr"> 742 </span> e:&:editor <span class="Special"><-</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="L743" class="LineNr"> 743 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L744" class="LineNr"> 744 </span> $clear-trace <span id="L745" class="LineNr"> 745 </span> <span class="Comment"># position cursor at start of second line (so there's no previous newline)</span> <span id="L746" class="LineNr"> 746 </span> assume-console [ @@ -809,7 +809,7 @@ if ('onhashchange' in window) { <span id="L748" class="LineNr"> 748 </span> press left-arrow <span id="L749" class="LineNr"> 749 </span> ] <span id="L750" class="LineNr"> 750 </span> run [ -<span id="L751" class="LineNr"> 751 </span> editor-event-loop screen, console, e +<span id="L751" class="LineNr"> 751 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L752" class="LineNr"> 752 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L753" class="LineNr"> 753 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L754" class="LineNr"> 754 </span> ] @@ -827,8 +827,8 @@ if ('onhashchange' in window) { <span id="L766" class="LineNr"> 766 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L767" class="LineNr"> 767 </span><span class="Constant">def</span> <span id="L768" class="LineNr"> 768 </span><span class="Constant">g]</span> -<span id="L769" class="LineNr"> 769 </span> e:&:editor <span class="Special"><-</span> new-editor s:text, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L770" class="LineNr"> 770 </span> editor-render screen, e +<span id="L769" class="LineNr"> 769 </span> e:&:editor <span class="Special"><-</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="L770" class="LineNr"> 770 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L771" class="LineNr"> 771 </span> $clear-trace <span id="L772" class="LineNr"> 772 </span> <span class="Comment"># position cursor further down (so there's a newline before the character at</span> <span id="L773" class="LineNr"> 773 </span> <span class="Comment"># the cursor)</span> @@ -838,7 +838,7 @@ if ('onhashchange' in window) { <span id="L777" class="LineNr"> 777 </span> type <span class="Constant">[0]</span> <span id="L778" class="LineNr"> 778 </span> ] <span id="L779" class="LineNr"> 779 </span> run [ -<span id="L780" class="LineNr"> 780 </span> editor-event-loop screen, console, e +<span id="L780" class="LineNr"> 780 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L781" class="LineNr"> 781 </span> ] <span id="L782" class="LineNr"> 782 </span> screen-should-contain [ <span id="L783" class="LineNr"> 783 </span> <span class="Constant"> . .</span> @@ -856,8 +856,8 @@ if ('onhashchange' in window) { <span id="L795" class="LineNr"> 795 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L796" class="LineNr"> 796 </span><span class="Constant">def</span> <span id="L797" class="LineNr"> 797 </span><span class="Constant">g]</span> -<span id="L798" class="LineNr"> 798 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L799" class="LineNr"> 799 </span> editor-render screen, e +<span id="L798" class="LineNr"> 798 </span> e:&:editor <span class="Special"><-</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="L799" class="LineNr"> 799 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L800" class="LineNr"> 800 </span> $clear-trace <span id="L801" class="LineNr"> 801 </span> <span class="Comment"># position cursor at start of text, press left-arrow, then type a character</span> <span id="L802" class="LineNr"> 802 </span> assume-console [ @@ -866,7 +866,7 @@ if ('onhashchange' in window) { <span id="L805" class="LineNr"> 805 </span> type <span class="Constant">[0]</span> <span id="L806" class="LineNr"> 806 </span> ] <span id="L807" class="LineNr"> 807 </span> run [ -<span id="L808" class="LineNr"> 808 </span> editor-event-loop screen, console, e +<span id="L808" class="LineNr"> 808 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L809" class="LineNr"> 809 </span> ] <span id="L810" class="LineNr"> 810 </span> <span class="Comment"># left-arrow should have had no effect</span> <span id="L811" class="LineNr"> 811 </span> screen-should-contain [ @@ -886,8 +886,8 @@ if ('onhashchange' in window) { <span id="L825" class="LineNr"> 825 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L826" class="LineNr"> 826 </span> <span id="L827" class="LineNr"> 827 </span>d] -<span id="L828" class="LineNr"> 828 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L829" class="LineNr"> 829 </span> editor-render screen, e:&:editor +<span id="L828" class="LineNr"> 828 </span> e:&:editor <span class="Special"><-</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="L829" class="LineNr"> 829 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e:&:editor <span id="L830" class="LineNr"> 830 </span> $clear-trace <span id="L831" class="LineNr"> 831 </span> <span class="Comment"># position cursor right after empty line</span> <span id="L832" class="LineNr"> 832 </span> assume-console [ @@ -896,7 +896,7 @@ if ('onhashchange' in window) { <span id="L835" class="LineNr"> 835 </span> type <span class="Constant">[0]</span> <span id="L836" class="LineNr"> 836 </span> ] <span id="L837" class="LineNr"> 837 </span> run [ -<span id="L838" class="LineNr"> 838 </span> editor-event-loop screen, console, e +<span id="L838" class="LineNr"> 838 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L839" class="LineNr"> 839 </span> ] <span id="L840" class="LineNr"> 840 </span> screen-should-contain [ <span id="L841" class="LineNr"> 841 </span> <span class="Constant"> . .</span> @@ -912,8 +912,8 @@ if ('onhashchange' in window) { <span id="L851" class="LineNr"> 851 </span> <span class="Constant">local-scope</span> <span id="L852" class="LineNr"> 852 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L853" class="LineNr"> 853 </span> <span class="Comment"># initialize editor with a wrapping line</span> -<span id="L854" class="LineNr"> 854 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L855" class="LineNr"> 855 </span> editor-render screen, e +<span id="L854" class="LineNr"> 854 </span> e:&:editor <span class="Special"><-</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="L855" class="LineNr"> 855 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L856" class="LineNr"> 856 </span> $clear-trace <span id="L857" class="LineNr"> 857 </span> screen-should-contain [ <span id="L858" class="LineNr"> 858 </span> <span class="Constant"> . .</span> @@ -928,7 +928,7 @@ if ('onhashchange' in window) { <span id="L867" class="LineNr"> 867 </span> press left-arrow <span id="L868" class="LineNr"> 868 </span> ] <span id="L869" class="LineNr"> 869 </span> run [ -<span id="L870" class="LineNr"> 870 </span> editor-event-loop screen, console, e +<span id="L870" class="LineNr"> 870 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L871" class="LineNr"> 871 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L872" class="LineNr"> 872 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L873" class="LineNr"> 873 </span> ] @@ -945,8 +945,8 @@ if ('onhashchange' in window) { <span id="L884" class="LineNr"> 884 </span> <span class="Comment"># initialize editor with a wrapping line followed by a second line</span> <span id="L885" class="LineNr"> 885 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abcdef</span> <span id="L886" class="LineNr"> 886 </span><span class="Constant">g]</span> -<span id="L887" class="LineNr"> 887 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L888" class="LineNr"> 888 </span> editor-render screen, e +<span id="L887" class="LineNr"> 887 </span> e:&:editor <span class="Special"><-</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="L888" class="LineNr"> 888 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L889" class="LineNr"> 889 </span> $clear-trace <span id="L890" class="LineNr"> 890 </span> screen-should-contain [ <span id="L891" class="LineNr"> 891 </span> <span class="Constant"> . .</span> @@ -961,7 +961,7 @@ if ('onhashchange' in window) { <span id="L900" class="LineNr"> 900 </span> press left-arrow <span id="L901" class="LineNr"> 901 </span> ] <span id="L902" class="LineNr"> 902 </span> run [ -<span id="L903" class="LineNr"> 903 </span> editor-event-loop screen, console, e +<span id="L903" class="LineNr"> 903 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L904" class="LineNr"> 904 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L905" class="LineNr"> 905 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L906" class="LineNr"> 906 </span> ] @@ -978,8 +978,8 @@ if ('onhashchange' in window) { <span id="L917" class="LineNr"> 917 </span> <span class="Comment"># initialize editor with a line on the verge of wrapping, followed by a second line</span> <span id="L918" class="LineNr"> 918 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abcd</span> <span id="L919" class="LineNr"> 919 </span><span class="Constant">e]</span> -<span id="L920" class="LineNr"> 920 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L921" class="LineNr"> 921 </span> editor-render screen, e +<span id="L920" class="LineNr"> 920 </span> e:&:editor <span class="Special"><-</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="L921" class="LineNr"> 921 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L922" class="LineNr"> 922 </span> $clear-trace <span id="L923" class="LineNr"> 923 </span> screen-should-contain [ <span id="L924" class="LineNr"> 924 </span> <span class="Constant"> . .</span> @@ -994,7 +994,7 @@ if ('onhashchange' in window) { <span id="L933" class="LineNr"> 933 </span> press left-arrow <span id="L934" class="LineNr"> 934 </span> ] <span id="L935" class="LineNr"> 935 </span> run [ -<span id="L936" class="LineNr"> 936 </span> editor-event-loop screen, console, e +<span id="L936" class="LineNr"> 936 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L937" class="LineNr"> 937 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L938" class="LineNr"> 938 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L939" class="LineNr"> 939 </span> ] @@ -1014,15 +1014,15 @@ if ('onhashchange' in window) { <span id="L953" class="LineNr"> 953 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L954" class="LineNr"> 954 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L955" class="LineNr"> 955 </span><span class="Constant">def]</span> -<span id="L956" class="LineNr"> 956 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L957" class="LineNr"> 957 </span> editor-render screen, e +<span id="L956" class="LineNr"> 956 </span> e:&:editor <span class="Special"><-</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="L957" class="LineNr"> 957 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L958" class="LineNr"> 958 </span> $clear-trace <span id="L959" class="LineNr"> 959 </span> assume-console [ <span id="L960" class="LineNr"> 960 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> <span id="L961" class="LineNr"> 961 </span> press up-arrow <span id="L962" class="LineNr"> 962 </span> ] <span id="L963" class="LineNr"> 963 </span> run [ -<span id="L964" class="LineNr"> 964 </span> editor-event-loop screen, console, e +<span id="L964" class="LineNr"> 964 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L965" class="LineNr"> 965 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L966" class="LineNr"> 966 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L967" class="LineNr"> 967 </span> ] @@ -1035,7 +1035,7 @@ if ('onhashchange' in window) { <span id="L974" class="LineNr"> 974 </span> type <span class="Constant">[0]</span> <span id="L975" class="LineNr"> 975 </span> ] <span id="L976" class="LineNr"> 976 </span> run [ -<span id="L977" class="LineNr"> 977 </span> editor-event-loop screen, console, e +<span id="L977" class="LineNr"> 977 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L978" class="LineNr"> 978 </span> ] <span id="L979" class="LineNr"> 979 </span> screen-should-contain [ <span id="L980" class="LineNr"> 980 </span> <span class="Constant"> . .</span> @@ -1046,25 +1046,25 @@ if ('onhashchange' in window) { <span id="L985" class="LineNr"> 985 </span> ] <span id="L986" class="LineNr"> 986 </span>] <span id="L987" class="LineNr"> 987 </span> -<span id="L988" class="LineNr"> 988 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L988" class="LineNr"> 988 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L989" class="LineNr"> 989 </span> <span class="Delimiter">{</span> <span id="L990" class="LineNr"> 990 </span> move-to-previous-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65517/up-arrow</span> <span id="L991" class="LineNr"> 991 </span> <span class="muControl">break-unless</span> move-to-previous-line? <span id="L992" class="LineNr"> 992 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L993" class="LineNr"> 993 </span> go-render? <span class="Special"><-</span> move-to-previous-line editor +<span id="L993" class="LineNr"> 993 </span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L1000'>move-to-previous-line</a> editor <span id="L994" class="LineNr"> 994 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">3/up-arrow</span> <span id="L995" class="LineNr"> 995 </span><span class="Constant"> <end-move-cursor></span> <span id="L996" class="LineNr"> 996 </span> <span class="muControl"> return</span> <span id="L997" class="LineNr"> 997 </span> <span class="Delimiter">}</span> <span id="L998" class="LineNr"> 998 </span>] <span id="L999" class="LineNr"> 999 </span> -<span id="L1000" class="LineNr">1000 </span><span class="muRecipe">def</span> move-to-previous-line editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L1000" class="LineNr">1000 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1000'>move-to-previous-line</a> editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L1001" class="LineNr">1001 </span> <span class="Constant">local-scope</span> <span id="L1002" class="LineNr">1002 </span> <span class="Constant">load-inputs</span> <span id="L1003" class="LineNr">1003 </span> go-render?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L1004" class="LineNr">1004 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L1005" class="LineNr">1005 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L1006" class="LineNr">1006 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1006" class="LineNr">1006 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1007" class="LineNr">1007 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L1008" class="LineNr">1008 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L1009" class="LineNr">1009 </span> already-at-top?:bool <span class="Special"><-</span> lesser-or-equal cursor-row, <span class="Constant">1/top</span> @@ -1074,17 +1074,17 @@ if ('onhashchange' in window) { <span id="L1013" class="LineNr">1013 </span> <span class="Comment"># if not at start of screen line, move to start of screen line (previous newline)</span> <span id="L1014" class="LineNr">1014 </span> <span class="Comment"># then scan back another line</span> <span id="L1015" class="LineNr">1015 </span> <span class="Comment"># if either step fails, give up without modifying cursor or coordinates</span> -<span id="L1016" class="LineNr">1016 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy before-cursor -<span id="L1017" class="LineNr">1017 </span> old:&:duplex-list:char <span class="Special"><-</span> copy curr +<span id="L1016" class="LineNr">1016 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy before-cursor +<span id="L1017" class="LineNr">1017 </span> old:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy curr <span id="L1018" class="LineNr">1018 </span> <span class="Delimiter">{</span> <span id="L1019" class="LineNr">1019 </span> at-left?:bool <span class="Special"><-</span> equal cursor-column, left <span id="L1020" class="LineNr">1020 </span> <span class="muControl">break-if</span> at-left? -<span id="L1021" class="LineNr">1021 </span> curr <span class="Special"><-</span> before-previous-screen-line curr, editor +<span id="L1021" class="LineNr">1021 </span> curr <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> curr, editor <span id="L1022" class="LineNr">1022 </span> no-motion?:bool <span class="Special"><-</span> equal curr, old <span id="L1023" class="LineNr">1023 </span> <span class="muControl">return-if</span> no-motion? <span id="L1024" class="LineNr">1024 </span> <span class="Delimiter">}</span> <span id="L1025" class="LineNr">1025 </span> <span class="Delimiter">{</span> -<span id="L1026" class="LineNr">1026 </span> curr <span class="Special"><-</span> before-previous-screen-line curr, editor +<span id="L1026" class="LineNr">1026 </span> curr <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> curr, editor <span id="L1027" class="LineNr">1027 </span> no-motion?:bool <span class="Special"><-</span> equal curr, old <span id="L1028" class="LineNr">1028 </span> <span class="muControl">return-if</span> no-motion? <span id="L1029" class="LineNr">1029 </span> <span class="Delimiter">}</span> @@ -1099,7 +1099,7 @@ if ('onhashchange' in window) { <span id="L1038" class="LineNr">1038 </span> <span class="Delimiter">{</span> <span id="L1039" class="LineNr">1039 </span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, target-column <span id="L1040" class="LineNr">1040 </span> <span class="muControl">break-if</span> done? -<span id="L1041" class="LineNr">1041 </span> curr:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1041" class="LineNr">1041 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor <span id="L1042" class="LineNr">1042 </span> <span class="muControl">break-unless</span> curr <span id="L1043" class="LineNr">1043 </span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L1044" class="LineNr">1044 </span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> @@ -1126,15 +1126,15 @@ if ('onhashchange' in window) { <span id="L1065" class="LineNr">1065 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1066" class="LineNr">1066 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L1067" class="LineNr">1067 </span><span class="Constant">def]</span> -<span id="L1068" class="LineNr">1068 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1069" class="LineNr">1069 </span> editor-render screen, e +<span id="L1068" class="LineNr">1068 </span> e:&:editor <span class="Special"><-</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="L1069" class="LineNr">1069 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1070" class="LineNr">1070 </span> $clear-trace <span id="L1071" class="LineNr">1071 </span> assume-console [ <span id="L1072" class="LineNr">1072 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> <span id="L1073" class="LineNr">1073 </span> press up-arrow <span id="L1074" class="LineNr">1074 </span> ] <span id="L1075" class="LineNr">1075 </span> run [ -<span id="L1076" class="LineNr">1076 </span> editor-event-loop screen, console, e +<span id="L1076" class="LineNr">1076 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1077" class="LineNr">1077 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1078" class="LineNr">1078 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1079" class="LineNr">1079 </span> ] @@ -1147,7 +1147,7 @@ if ('onhashchange' in window) { <span id="L1086" class="LineNr">1086 </span> type <span class="Constant">[0]</span> <span id="L1087" class="LineNr">1087 </span> ] <span id="L1088" class="LineNr">1088 </span> run [ -<span id="L1089" class="LineNr">1089 </span> editor-event-loop screen, console, e +<span id="L1089" class="LineNr">1089 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1090" class="LineNr">1090 </span> ] <span id="L1091" class="LineNr">1091 </span> screen-should-contain [ <span id="L1092" class="LineNr">1092 </span> <span class="Constant"> . .</span> @@ -1163,15 +1163,15 @@ if ('onhashchange' in window) { <span id="L1102" class="LineNr">1102 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1103" class="LineNr">1103 </span> s:text <span class="Special"><-</span> new [ <span id="L1104" class="LineNr">1104 </span><span class="muRecipe">def</span>] -<span id="L1105" class="LineNr">1105 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1106" class="LineNr">1106 </span> editor-render screen, e +<span id="L1105" class="LineNr">1105 </span> e:&:editor <span class="Special"><-</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="L1106" class="LineNr">1106 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1107" class="LineNr">1107 </span> $clear-trace <span id="L1108" class="LineNr">1108 </span> assume-console [ <span id="L1109" class="LineNr">1109 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> <span id="L1110" class="LineNr">1110 </span> press up-arrow <span id="L1111" class="LineNr">1111 </span> ] <span id="L1112" class="LineNr">1112 </span> run [ -<span id="L1113" class="LineNr">1113 </span> editor-event-loop screen, console, e +<span id="L1113" class="LineNr">1113 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1114" class="LineNr">1114 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1115" class="LineNr">1115 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1116" class="LineNr">1116 </span> ] @@ -1184,7 +1184,7 @@ if ('onhashchange' in window) { <span id="L1123" class="LineNr">1123 </span> type <span class="Constant">[0]</span> <span id="L1124" class="LineNr">1124 </span> ] <span id="L1125" class="LineNr">1125 </span> run [ -<span id="L1126" class="LineNr">1126 </span> editor-event-loop screen, console, e +<span id="L1126" class="LineNr">1126 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1127" class="LineNr">1127 </span> ] <span id="L1128" class="LineNr">1128 </span> screen-should-contain [ <span id="L1129" class="LineNr">1129 </span> <span class="Constant"> . .</span> @@ -1202,8 +1202,8 @@ if ('onhashchange' in window) { <span id="L1141" class="LineNr">1141 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1142" class="LineNr">1142 </span><span class="Constant">def</span> <span id="L1143" class="LineNr">1143 </span><span class="Constant">ghi]</span> -<span id="L1144" class="LineNr">1144 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1145" class="LineNr">1145 </span> editor-render screen, e +<span id="L1144" class="LineNr">1144 </span> e:&:editor <span class="Special"><-</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="L1145" class="LineNr">1145 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1146" class="LineNr">1146 </span> $clear-trace <span id="L1147" class="LineNr">1147 </span> <span class="Comment"># click on the third line and hit up-arrow, so you end up just after a newline</span> <span id="L1148" class="LineNr">1148 </span> assume-console [ @@ -1211,7 +1211,7 @@ if ('onhashchange' in window) { <span id="L1150" class="LineNr">1150 </span> press up-arrow <span id="L1151" class="LineNr">1151 </span> ] <span id="L1152" class="LineNr">1152 </span> run [ -<span id="L1153" class="LineNr">1153 </span> editor-event-loop screen, console, e +<span id="L1153" class="LineNr">1153 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1154" class="LineNr">1154 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1155" class="LineNr">1155 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1156" class="LineNr">1156 </span> ] @@ -1224,7 +1224,7 @@ if ('onhashchange' in window) { <span id="L1163" class="LineNr">1163 </span> type <span class="Constant">[0]</span> <span id="L1164" class="LineNr">1164 </span> ] <span id="L1165" class="LineNr">1165 </span> run [ -<span id="L1166" class="LineNr">1166 </span> editor-event-loop screen, console, e +<span id="L1166" class="LineNr">1166 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1167" class="LineNr">1167 </span> ] <span id="L1168" class="LineNr">1168 </span> screen-should-contain [ <span id="L1169" class="LineNr">1169 </span> <span class="Constant"> . .</span> @@ -1242,8 +1242,8 @@ if ('onhashchange' in window) { <span id="L1181" class="LineNr">1181 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1182" class="LineNr">1182 </span><span class="Constant">def</span> <span id="L1183" class="LineNr">1183 </span><span class="Constant">ghi]</span> -<span id="L1184" class="LineNr">1184 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> -<span id="L1185" class="LineNr">1185 </span> editor-render screen, e +<span id="L1184" class="LineNr">1184 </span> e:&:editor <span class="Special"><-</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="L1185" class="LineNr">1185 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1186" class="LineNr">1186 </span> $clear-trace <span id="L1187" class="LineNr">1187 </span> <span class="Comment"># click on the third line and hit up-arrow, so you end up just after a newline</span> <span id="L1188" class="LineNr">1188 </span> assume-console [ @@ -1251,7 +1251,7 @@ if ('onhashchange' in window) { <span id="L1190" class="LineNr">1190 </span> press up-arrow <span id="L1191" class="LineNr">1191 </span> ] <span id="L1192" class="LineNr">1192 </span> run [ -<span id="L1193" class="LineNr">1193 </span> editor-event-loop screen, console, e +<span id="L1193" class="LineNr">1193 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1194" class="LineNr">1194 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1195" class="LineNr">1195 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1196" class="LineNr">1196 </span> ] @@ -1264,7 +1264,7 @@ if ('onhashchange' in window) { <span id="L1203" class="LineNr">1203 </span> type <span class="Constant">[0]</span> <span id="L1204" class="LineNr">1204 </span> ] <span id="L1205" class="LineNr">1205 </span> run [ -<span id="L1206" class="LineNr">1206 </span> editor-event-loop screen, console, e +<span id="L1206" class="LineNr">1206 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1207" class="LineNr">1207 </span> ] <span id="L1208" class="LineNr">1208 </span> screen-should-contain [ <span id="L1209" class="LineNr">1209 </span> <span class="Constant"> . .</span> @@ -1278,8 +1278,8 @@ if ('onhashchange' in window) { <span id="L1217" class="LineNr">1217 </span><span class="muScenario">scenario</span> editor-moves-to-top-line-in-presence-of-wrapped-line [ <span id="L1218" class="LineNr">1218 </span> <span class="Constant">local-scope</span> <span id="L1219" class="LineNr">1219 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1220" class="LineNr">1220 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1221" class="LineNr">1221 </span> editor-render screen, e +<span id="L1220" class="LineNr">1220 </span> e:&:editor <span class="Special"><-</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="L1221" class="LineNr">1221 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1222" class="LineNr">1222 </span> screen-should-contain [ <span id="L1223" class="LineNr">1223 </span> <span class="Constant"> . .</span> <span id="L1224" class="LineNr">1224 </span> <span class="Constant"> .abcd↩ .</span> @@ -1292,7 +1292,7 @@ if ('onhashchange' in window) { <span id="L1231" class="LineNr">1231 </span> press up-arrow <span id="L1232" class="LineNr">1232 </span> ] <span id="L1233" class="LineNr">1233 </span> run [ -<span id="L1234" class="LineNr">1234 </span> editor-event-loop screen, console, e +<span id="L1234" class="LineNr">1234 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1235" class="LineNr">1235 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1236" class="LineNr">1236 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1237" class="LineNr">1237 </span> ] @@ -1305,7 +1305,7 @@ if ('onhashchange' in window) { <span id="L1244" class="LineNr">1244 </span> type <span class="Constant">[0]</span> <span id="L1245" class="LineNr">1245 </span> ] <span id="L1246" class="LineNr">1246 </span> run [ -<span id="L1247" class="LineNr">1247 </span> editor-event-loop screen, console, e +<span id="L1247" class="LineNr">1247 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1248" class="LineNr">1248 </span> ] <span id="L1249" class="LineNr">1249 </span> screen-should-contain [ <span id="L1250" class="LineNr">1250 </span> <span class="Constant"> . .</span> @@ -1320,8 +1320,8 @@ if ('onhashchange' in window) { <span id="L1259" class="LineNr">1259 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1260" class="LineNr">1260 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1261" class="LineNr">1261 </span><span class="Constant">defgh]</span> -<span id="L1262" class="LineNr">1262 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1263" class="LineNr">1263 </span> editor-render screen, e +<span id="L1262" class="LineNr">1262 </span> e:&:editor <span class="Special"><-</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="L1263" class="LineNr">1263 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1264" class="LineNr">1264 </span> screen-should-contain [ <span id="L1265" class="LineNr">1265 </span> <span class="Constant"> . .</span> <span id="L1266" class="LineNr">1266 </span> <span class="Constant"> .abc .</span> @@ -1336,7 +1336,7 @@ if ('onhashchange' in window) { <span id="L1275" class="LineNr">1275 </span> press up-arrow <span id="L1276" class="LineNr">1276 </span> ] <span id="L1277" class="LineNr">1277 </span> run [ -<span id="L1278" class="LineNr">1278 </span> editor-event-loop screen, console, e +<span id="L1278" class="LineNr">1278 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1279" class="LineNr">1279 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1280" class="LineNr">1280 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1281" class="LineNr">1281 </span> ] @@ -1349,7 +1349,7 @@ if ('onhashchange' in window) { <span id="L1288" class="LineNr">1288 </span> type <span class="Constant">[0]</span> <span id="L1289" class="LineNr">1289 </span> ] <span id="L1290" class="LineNr">1290 </span> run [ -<span id="L1291" class="LineNr">1291 </span> editor-event-loop screen, console, e +<span id="L1291" class="LineNr">1291 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1292" class="LineNr">1292 </span> ] <span id="L1293" class="LineNr">1293 </span> screen-should-contain [ <span id="L1294" class="LineNr">1294 </span> <span class="Constant"> . .</span> @@ -1367,15 +1367,15 @@ if ('onhashchange' in window) { <span id="L1306" class="LineNr">1306 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1307" class="LineNr">1307 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1308" class="LineNr">1308 </span><span class="Constant">def]</span> -<span id="L1309" class="LineNr">1309 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1310" class="LineNr">1310 </span> editor-render screen, e +<span id="L1309" class="LineNr">1309 </span> e:&:editor <span class="Special"><-</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="L1310" class="LineNr">1310 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1311" class="LineNr">1311 </span> $clear-trace <span id="L1312" class="LineNr">1312 </span> <span class="Comment"># cursor starts out at (1, 0)</span> <span id="L1313" class="LineNr">1313 </span> assume-console [ <span id="L1314" class="LineNr">1314 </span> press down-arrow <span id="L1315" class="LineNr">1315 </span> ] <span id="L1316" class="LineNr">1316 </span> run [ -<span id="L1317" class="LineNr">1317 </span> editor-event-loop screen, console, e +<span id="L1317" class="LineNr">1317 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1318" class="LineNr">1318 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1319" class="LineNr">1319 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1320" class="LineNr">1320 </span> ] @@ -1389,7 +1389,7 @@ if ('onhashchange' in window) { <span id="L1328" class="LineNr">1328 </span> type <span class="Constant">[0]</span> <span id="L1329" class="LineNr">1329 </span> ] <span id="L1330" class="LineNr">1330 </span> run [ -<span id="L1331" class="LineNr">1331 </span> editor-event-loop screen, console, e +<span id="L1331" class="LineNr">1331 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1332" class="LineNr">1332 </span> ] <span id="L1333" class="LineNr">1333 </span> screen-should-contain [ <span id="L1334" class="LineNr">1334 </span> <span class="Constant"> . .</span> @@ -1400,27 +1400,27 @@ if ('onhashchange' in window) { <span id="L1339" class="LineNr">1339 </span> ] <span id="L1340" class="LineNr">1340 </span>] <span id="L1341" class="LineNr">1341 </span> -<span id="L1342" class="LineNr">1342 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L1342" class="LineNr">1342 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L1343" class="LineNr">1343 </span> <span class="Delimiter">{</span> <span id="L1344" class="LineNr">1344 </span> move-to-next-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65516/down-arrow</span> <span id="L1345" class="LineNr">1345 </span> <span class="muControl">break-unless</span> move-to-next-line? <span id="L1346" class="LineNr">1346 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L1347" class="LineNr">1347 </span> go-render? <span class="Special"><-</span> move-to-next-line editor, screen-height +<span id="L1347" class="LineNr">1347 </span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L1354'>move-to-next-line</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> <span id="L1348" class="LineNr">1348 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">4/down-arrow</span> <span id="L1349" class="LineNr">1349 </span><span class="Constant"> <end-move-cursor></span> <span id="L1350" class="LineNr">1350 </span> <span class="muControl"> return</span> <span id="L1351" class="LineNr">1351 </span> <span class="Delimiter">}</span> <span id="L1352" class="LineNr">1352 </span>] <span id="L1353" class="LineNr">1353 </span> -<span id="L1354" class="LineNr">1354 </span><span class="muRecipe">def</span> move-to-next-line editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L1354" class="LineNr">1354 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1354'>move-to-next-line</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L1355" class="LineNr">1355 </span> <span class="Constant">local-scope</span> <span id="L1356" class="LineNr">1356 </span> <span class="Constant">load-inputs</span> <span id="L1357" class="LineNr">1357 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L1358" class="LineNr">1358 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L1359" class="LineNr">1359 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1359" class="LineNr">1359 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1360" class="LineNr">1360 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L1361" class="LineNr">1361 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L1362" class="LineNr">1362 </span> last-line:num <span class="Special"><-</span> subtract screen-height,<span class="Constant"> 1</span> +<span id="L1362" class="LineNr">1362 </span> last-line:num <span class="Special"><-</span> subtract <a href='../081print.mu.html#L782'>screen-height</a>,<span class="Constant"> 1</span> <span id="L1363" class="LineNr">1363 </span> bottom:num <span class="Special"><-</span> get *editor, <span class="Constant">bottom:offset</span> <span id="L1364" class="LineNr">1364 </span> at-bottom-of-screen?:bool <span class="Special"><-</span> greater-or-equal bottom, last-line <span id="L1365" class="LineNr">1365 </span> <span class="Delimiter">{</span> @@ -1434,9 +1434,9 @@ if ('onhashchange' in window) { <span id="L1373" class="LineNr">1373 </span> <span class="muControl"> jump</span> <span class="Constant">+try-to-scroll</span> <span id="L1374" class="LineNr">1374 </span> <span class="Delimiter">}</span> <span id="L1375" class="LineNr">1375 </span> <span class="Delimiter">}</span> -<span id="L1376" class="LineNr">1376 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1376" class="LineNr">1376 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor <span id="L1377" class="LineNr">1377 </span> <span class="Delimiter">{</span> -<span id="L1378" class="LineNr">1378 </span> <span class="muControl">break-if</span> next +<span id="L1378" class="LineNr">1378 </span> <span class="muControl">break-if</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L1379" class="LineNr">1379 </span> <span class="Delimiter">{</span> <span id="L1380" class="LineNr">1380 </span> <span class="muControl">break-if</span> at-bottom-of-screen? <span id="L1381" class="LineNr">1381 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> @@ -1453,19 +1453,19 @@ if ('onhashchange' in window) { <span id="L1392" class="LineNr">1392 </span> target-column:num <span class="Special"><-</span> copy cursor-column <span id="L1393" class="LineNr">1393 </span> <span class="Comment"># scan to start of next line</span> <span id="L1394" class="LineNr">1394 </span> <span class="Delimiter">{</span> -<span id="L1395" class="LineNr">1395 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor -<span id="L1396" class="LineNr">1396 </span> <span class="muControl">break-unless</span> next +<span id="L1395" class="LineNr">1395 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L1396" class="LineNr">1396 </span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L1397" class="LineNr">1397 </span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, right <span id="L1398" class="LineNr">1398 </span> <span class="muControl">break-if</span> done? <span id="L1399" class="LineNr">1399 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> -<span id="L1400" class="LineNr">1400 </span> before-cursor <span class="Special"><-</span> copy next +<span id="L1400" class="LineNr">1400 </span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L1401" class="LineNr">1401 </span> c:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> <span id="L1402" class="LineNr">1402 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> <span id="L1403" class="LineNr">1403 </span> <span class="muControl">break-if</span> at-newline? <span id="L1404" class="LineNr">1404 </span> <span class="muControl"> loop</span> <span id="L1405" class="LineNr">1405 </span> <span class="Delimiter">}</span> <span id="L1406" class="LineNr">1406 </span> <span class="Delimiter">{</span> -<span id="L1407" class="LineNr">1407 </span> <span class="muControl">break-if</span> next +<span id="L1407" class="LineNr">1407 </span> <span class="muControl">break-if</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L1408" class="LineNr">1408 </span> <span class="Delimiter">{</span> <span id="L1409" class="LineNr">1409 </span> <span class="muControl">break-if</span> at-bottom-of-screen? <span id="L1410" class="LineNr">1410 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> @@ -1478,15 +1478,15 @@ if ('onhashchange' in window) { <span id="L1417" class="LineNr">1417 </span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> <span id="L1418" class="LineNr">1418 </span> cursor-column <span class="Special"><-</span> copy left <span id="L1419" class="LineNr">1419 </span> <span class="Delimiter">{</span> -<span id="L1420" class="LineNr">1420 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor -<span id="L1421" class="LineNr">1421 </span> <span class="muControl">break-unless</span> next +<span id="L1420" class="LineNr">1420 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L1421" class="LineNr">1421 </span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L1422" class="LineNr">1422 </span> c:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> <span id="L1423" class="LineNr">1423 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> <span id="L1424" class="LineNr">1424 </span> <span class="muControl">break-if</span> at-newline? <span id="L1425" class="LineNr">1425 </span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, target-column <span id="L1426" class="LineNr">1426 </span> <span class="muControl">break-if</span> done? <span id="L1427" class="LineNr">1427 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> -<span id="L1428" class="LineNr">1428 </span> before-cursor <span class="Special"><-</span> copy next +<span id="L1428" class="LineNr">1428 </span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L1429" class="LineNr">1429 </span> <span class="muControl"> loop</span> <span id="L1430" class="LineNr">1430 </span> <span class="Delimiter">}</span> <span id="L1431" class="LineNr">1431 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor @@ -1506,8 +1506,8 @@ if ('onhashchange' in window) { <span id="L1445" class="LineNr">1445 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abcde</span> <span id="L1446" class="LineNr">1446 </span><span class="Constant">fg</span> <span id="L1447" class="LineNr">1447 </span><span class="Constant">hi]</span> -<span id="L1448" class="LineNr">1448 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1449" class="LineNr">1449 </span> editor-render screen, e +<span id="L1448" class="LineNr">1448 </span> e:&:editor <span class="Special"><-</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="L1449" class="LineNr">1449 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1450" class="LineNr">1450 </span> $clear-trace <span id="L1451" class="LineNr">1451 </span> <span class="Comment"># move to end of first line, then press down</span> <span id="L1452" class="LineNr">1452 </span> assume-console [ @@ -1515,7 +1515,7 @@ if ('onhashchange' in window) { <span id="L1454" class="LineNr">1454 </span> press down-arrow <span id="L1455" class="LineNr">1455 </span> ] <span id="L1456" class="LineNr">1456 </span> run [ -<span id="L1457" class="LineNr">1457 </span> editor-event-loop screen, console, e +<span id="L1457" class="LineNr">1457 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1458" class="LineNr">1458 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1459" class="LineNr">1459 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1460" class="LineNr">1460 </span> ] @@ -1529,7 +1529,7 @@ if ('onhashchange' in window) { <span id="L1468" class="LineNr">1468 </span> type <span class="Constant">[0]</span> <span id="L1469" class="LineNr">1469 </span> ] <span id="L1470" class="LineNr">1470 </span> run [ -<span id="L1471" class="LineNr">1471 </span> editor-event-loop screen, console, e +<span id="L1471" class="LineNr">1471 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1472" class="LineNr">1472 </span> ] <span id="L1473" class="LineNr">1473 </span> screen-should-contain [ <span id="L1474" class="LineNr">1474 </span> <span class="Constant"> . .</span> @@ -1543,8 +1543,8 @@ if ('onhashchange' in window) { <span id="L1482" class="LineNr">1482 </span><span class="muScenario">scenario</span> editor-moves-down-within-wrapped-line [ <span id="L1483" class="LineNr">1483 </span> <span class="Constant">local-scope</span> <span id="L1484" class="LineNr">1484 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1485" class="LineNr">1485 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdefghijklmno]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1486" class="LineNr">1486 </span> editor-render screen, e +<span id="L1485" class="LineNr">1485 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdefghijklmno]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1486" class="LineNr">1486 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1487" class="LineNr">1487 </span> screen-should-contain [ <span id="L1488" class="LineNr">1488 </span> <span class="Constant"> . .</span> <span id="L1489" class="LineNr">1489 </span><span class="Constant"> .abcdefghi↩.</span> @@ -1558,7 +1558,7 @@ if ('onhashchange' in window) { <span id="L1497" class="LineNr">1497 </span> press down-arrow <span id="L1498" class="LineNr">1498 </span> ] <span id="L1499" class="LineNr">1499 </span> run [ -<span id="L1500" class="LineNr">1500 </span> editor-event-loop screen, console, e +<span id="L1500" class="LineNr">1500 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1501" class="LineNr">1501 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1502" class="LineNr">1502 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1503" class="LineNr">1503 </span> ] @@ -1576,8 +1576,8 @@ if ('onhashchange' in window) { <span id="L1515" class="LineNr">1515 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1516" class="LineNr">1516 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1517" class="LineNr">1517 </span><span class="Constant">456]</span> -<span id="L1518" class="LineNr">1518 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1519" class="LineNr">1519 </span> editor-render screen, e +<span id="L1518" class="LineNr">1518 </span> e:&:editor <span class="Special"><-</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="L1519" class="LineNr">1519 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1520" class="LineNr">1520 </span> $clear-trace <span id="L1521" class="LineNr">1521 </span> <span class="Comment"># start on second line, press ctrl-a</span> <span id="L1522" class="LineNr">1522 </span> assume-console [ @@ -1585,7 +1585,7 @@ if ('onhashchange' in window) { <span id="L1524" class="LineNr">1524 </span> press ctrl-a <span id="L1525" class="LineNr">1525 </span> ] <span id="L1526" class="LineNr">1526 </span> run [ -<span id="L1527" class="LineNr">1527 </span> editor-event-loop screen, console, e +<span id="L1527" class="LineNr">1527 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1528" class="LineNr">1528 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1529" class="LineNr">1529 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1530" class="LineNr">1530 </span> ] @@ -1597,24 +1597,24 @@ if ('onhashchange' in window) { <span id="L1536" class="LineNr">1536 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1537" class="LineNr">1537 </span>] <span id="L1538" class="LineNr">1538 </span> -<span id="L1539" class="LineNr">1539 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L1539" class="LineNr">1539 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L1540" class="LineNr">1540 </span> <span class="Delimiter">{</span> <span id="L1541" class="LineNr">1541 </span> move-to-start-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">1/ctrl-a</span> <span id="L1542" class="LineNr">1542 </span> <span class="muControl">break-unless</span> move-to-start-of-line? <span id="L1543" class="LineNr">1543 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L1544" class="LineNr">1544 </span> move-to-start-of-screen-line editor +<span id="L1544" class="LineNr">1544 </span> <a href='003-shortcuts.mu.html#L1565'>move-to-start-of-screen-line</a> editor <span id="L1545" class="LineNr">1545 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L1546" class="LineNr">1546 </span><span class="Constant"> <end-move-cursor></span> <span id="L1547" class="LineNr">1547 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1548" class="LineNr">1548 </span> <span class="Delimiter">}</span> <span id="L1549" class="LineNr">1549 </span>] <span id="L1550" class="LineNr">1550 </span> -<span id="L1551" class="LineNr">1551 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L1551" class="LineNr">1551 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L1552" class="LineNr">1552 </span> <span class="Delimiter">{</span> <span id="L1553" class="LineNr">1553 </span> move-to-start-of-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65521/home</span> <span id="L1554" class="LineNr">1554 </span> <span class="muControl">break-unless</span> move-to-start-of-line? <span id="L1555" class="LineNr">1555 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L1556" class="LineNr">1556 </span> move-to-start-of-screen-line editor +<span id="L1556" class="LineNr">1556 </span> <a href='003-shortcuts.mu.html#L1565'>move-to-start-of-screen-line</a> editor <span id="L1557" class="LineNr">1557 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L1558" class="LineNr">1558 </span><span class="Constant"> <end-move-cursor></span> <span id="L1559" class="LineNr">1559 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> @@ -1623,20 +1623,20 @@ if ('onhashchange' in window) { <span id="L1562" class="LineNr">1562 </span> <span id="L1563" class="LineNr">1563 </span><span class="Comment"># handles wrapped lines</span> <span id="L1564" class="LineNr">1564 </span><span class="Comment"># precondition: cursor-column should be in a consistent state</span> -<span id="L1565" class="LineNr">1565 </span><span class="muRecipe">def</span> move-to-start-of-screen-line editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L1565" class="LineNr">1565 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1565'>move-to-start-of-screen-line</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L1566" class="LineNr">1566 </span> <span class="Constant">local-scope</span> <span id="L1567" class="LineNr">1567 </span> <span class="Constant">load-inputs</span> <span id="L1568" class="LineNr">1568 </span> <span class="Comment"># update cursor column</span> <span id="L1569" class="LineNr">1569 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L1570" class="LineNr">1570 </span> col:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L1571" class="LineNr">1571 </span> <span class="Comment"># update before-cursor</span> -<span id="L1572" class="LineNr">1572 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1572" class="LineNr">1572 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1573" class="LineNr">1573 </span> <span class="Comment"># while not at start of line, move</span> <span id="L1574" class="LineNr">1574 </span> <span class="Delimiter">{</span> <span id="L1575" class="LineNr">1575 </span> done?:bool <span class="Special"><-</span> equal col, left <span id="L1576" class="LineNr">1576 </span> <span class="muControl">break-if</span> done? <span id="L1577" class="LineNr">1577 </span> assert curr, <span class="Constant">[move-to-start-of-line tried to move before start of text]</span> -<span id="L1578" class="LineNr">1578 </span> curr <span class="Special"><-</span> prev curr +<span id="L1578" class="LineNr">1578 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr <span id="L1579" class="LineNr">1579 </span> col <span class="Special"><-</span> subtract col,<span class="Constant"> 1</span> <span id="L1580" class="LineNr">1580 </span> <span class="muControl"> loop</span> <span id="L1581" class="LineNr">1581 </span> <span class="Delimiter">}</span> @@ -1649,8 +1649,8 @@ if ('onhashchange' in window) { <span id="L1588" class="LineNr">1588 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1589" class="LineNr">1589 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1590" class="LineNr">1590 </span><span class="Constant">456]</span> -<span id="L1591" class="LineNr">1591 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1592" class="LineNr">1592 </span> editor-render screen, e +<span id="L1591" class="LineNr">1591 </span> e:&:editor <span class="Special"><-</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="L1592" class="LineNr">1592 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1593" class="LineNr">1593 </span> $clear-trace <span id="L1594" class="LineNr">1594 </span> <span class="Comment"># start on first line (no newline before), press ctrl-a</span> <span id="L1595" class="LineNr">1595 </span> assume-console [ @@ -1658,7 +1658,7 @@ if ('onhashchange' in window) { <span id="L1597" class="LineNr">1597 </span> press ctrl-a <span id="L1598" class="LineNr">1598 </span> ] <span id="L1599" class="LineNr">1599 </span> run [ -<span id="L1600" class="LineNr">1600 </span> editor-event-loop screen, console, e +<span id="L1600" class="LineNr">1600 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1601" class="LineNr">1601 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1602" class="LineNr">1602 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1603" class="LineNr">1603 </span> ] @@ -1675,7 +1675,7 @@ if ('onhashchange' in window) { <span id="L1614" class="LineNr">1614 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1615" class="LineNr">1615 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1616" class="LineNr">1616 </span><span class="Constant">456]</span> -<span id="L1617" class="LineNr">1617 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1617" class="LineNr">1617 </span> e:&:editor <span class="Special"><-</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="L1618" class="LineNr">1618 </span> $clear-trace <span id="L1619" class="LineNr">1619 </span> <span class="Comment"># start on second line, press 'home'</span> <span id="L1620" class="LineNr">1620 </span> assume-console [ @@ -1683,7 +1683,7 @@ if ('onhashchange' in window) { <span id="L1622" class="LineNr">1622 </span> press home <span id="L1623" class="LineNr">1623 </span> ] <span id="L1624" class="LineNr">1624 </span> run [ -<span id="L1625" class="LineNr">1625 </span> editor-event-loop screen, console, e +<span id="L1625" class="LineNr">1625 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1626" class="LineNr">1626 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1627" class="LineNr">1627 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1628" class="LineNr">1628 </span> ] @@ -1700,8 +1700,8 @@ if ('onhashchange' in window) { <span id="L1639" class="LineNr">1639 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1640" class="LineNr">1640 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1641" class="LineNr">1641 </span><span class="Constant">456]</span> -<span id="L1642" class="LineNr">1642 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1643" class="LineNr">1643 </span> editor-render screen, e +<span id="L1642" class="LineNr">1642 </span> e:&:editor <span class="Special"><-</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="L1643" class="LineNr">1643 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1644" class="LineNr">1644 </span> $clear-trace <span id="L1645" class="LineNr">1645 </span> <span class="Comment"># start on first line (no newline before), press 'home'</span> <span id="L1646" class="LineNr">1646 </span> assume-console [ @@ -1709,7 +1709,7 @@ if ('onhashchange' in window) { <span id="L1648" class="LineNr">1648 </span> press home <span id="L1649" class="LineNr">1649 </span> ] <span id="L1650" class="LineNr">1650 </span> run [ -<span id="L1651" class="LineNr">1651 </span> editor-event-loop screen, console, e +<span id="L1651" class="LineNr">1651 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1652" class="LineNr">1652 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1653" class="LineNr">1653 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1654" class="LineNr">1654 </span> ] @@ -1724,8 +1724,8 @@ if ('onhashchange' in window) { <span id="L1663" class="LineNr">1663 </span><span class="muScenario">scenario</span> editor-moves-to-start-of-screen-line-with-ctrl-a [ <span id="L1664" class="LineNr">1664 </span> <span class="Constant">local-scope</span> <span id="L1665" class="LineNr">1665 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1666" class="LineNr">1666 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[123456]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1667" class="LineNr">1667 </span> editor-render screen, e +<span id="L1666" class="LineNr">1666 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[123456]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L1667" class="LineNr">1667 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1668" class="LineNr">1668 </span> screen-should-contain [ <span id="L1669" class="LineNr">1669 </span> <span class="Constant"> . .</span> <span id="L1670" class="LineNr">1670 </span> <span class="Constant"> .1234↩ .</span> @@ -1741,7 +1741,7 @@ if ('onhashchange' in window) { <span id="L1680" class="LineNr">1680 </span> press up-arrow <span id="L1681" class="LineNr">1681 </span> ] <span id="L1682" class="LineNr">1682 </span> run [ -<span id="L1683" class="LineNr">1683 </span> editor-event-loop screen, console, e +<span id="L1683" class="LineNr">1683 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1684" class="LineNr">1684 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1685" class="LineNr">1685 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1686" class="LineNr">1686 </span> ] @@ -1756,7 +1756,7 @@ if ('onhashchange' in window) { <span id="L1695" class="LineNr">1695 </span> type <span class="Constant">[a]</span> <span id="L1696" class="LineNr">1696 </span> ] <span id="L1697" class="LineNr">1697 </span> run [ -<span id="L1698" class="LineNr">1698 </span> editor-event-loop screen, console, e +<span id="L1698" class="LineNr">1698 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1699" class="LineNr">1699 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1700" class="LineNr">1700 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1701" class="LineNr">1701 </span> ] @@ -1780,8 +1780,8 @@ if ('onhashchange' in window) { <span id="L1719" class="LineNr">1719 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1720" class="LineNr">1720 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1721" class="LineNr">1721 </span><span class="Constant">456]</span> -<span id="L1722" class="LineNr">1722 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1723" class="LineNr">1723 </span> editor-render screen, e +<span id="L1722" class="LineNr">1722 </span> e:&:editor <span class="Special"><-</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="L1723" class="LineNr">1723 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1724" class="LineNr">1724 </span> $clear-trace <span id="L1725" class="LineNr">1725 </span> <span class="Comment"># start on first line, press ctrl-e</span> <span id="L1726" class="LineNr">1726 </span> assume-console [ @@ -1789,7 +1789,7 @@ if ('onhashchange' in window) { <span id="L1728" class="LineNr">1728 </span> press ctrl-e <span id="L1729" class="LineNr">1729 </span> ] <span id="L1730" class="LineNr">1730 </span> run [ -<span id="L1731" class="LineNr">1731 </span> editor-event-loop screen, console, e +<span id="L1731" class="LineNr">1731 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1732" class="LineNr">1732 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1733" class="LineNr">1733 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1734" class="LineNr">1734 </span> ] @@ -1804,7 +1804,7 @@ if ('onhashchange' in window) { <span id="L1743" class="LineNr">1743 </span> type <span class="Constant">[z]</span> <span id="L1744" class="LineNr">1744 </span> ] <span id="L1745" class="LineNr">1745 </span> run [ -<span id="L1746" class="LineNr">1746 </span> editor-event-loop screen, console, e +<span id="L1746" class="LineNr">1746 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1747" class="LineNr">1747 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1748" class="LineNr">1748 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1749" class="LineNr">1749 </span> ] @@ -1822,40 +1822,40 @@ if ('onhashchange' in window) { <span id="L1761" class="LineNr">1761 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span id="L1762" class="LineNr">1762 </span>] <span id="L1763" class="LineNr">1763 </span> -<span id="L1764" class="LineNr">1764 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L1764" class="LineNr">1764 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L1765" class="LineNr">1765 </span> <span class="Delimiter">{</span> <span id="L1766" class="LineNr">1766 </span> move-to-end-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">5/ctrl-e</span> <span id="L1767" class="LineNr">1767 </span> <span class="muControl">break-unless</span> move-to-end-of-line? <span id="L1768" class="LineNr">1768 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L1769" class="LineNr">1769 </span> move-to-end-of-line editor +<span id="L1769" class="LineNr">1769 </span> <a href='003-shortcuts.mu.html#L1788'>move-to-end-of-line</a> editor <span id="L1770" class="LineNr">1770 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L1771" class="LineNr">1771 </span><span class="Constant"> <end-move-cursor></span> <span id="L1772" class="LineNr">1772 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1773" class="LineNr">1773 </span> <span class="Delimiter">}</span> <span id="L1774" class="LineNr">1774 </span>] <span id="L1775" class="LineNr">1775 </span> -<span id="L1776" class="LineNr">1776 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L1776" class="LineNr">1776 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L1777" class="LineNr">1777 </span> <span class="Delimiter">{</span> <span id="L1778" class="LineNr">1778 </span> move-to-end-of-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65520/end</span> <span id="L1779" class="LineNr">1779 </span> <span class="muControl">break-unless</span> move-to-end-of-line? <span id="L1780" class="LineNr">1780 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L1781" class="LineNr">1781 </span> move-to-end-of-line editor +<span id="L1781" class="LineNr">1781 </span> <a href='003-shortcuts.mu.html#L1788'>move-to-end-of-line</a> editor <span id="L1782" class="LineNr">1782 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L1783" class="LineNr">1783 </span><span class="Constant"> <end-move-cursor></span> <span id="L1784" class="LineNr">1784 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1785" class="LineNr">1785 </span> <span class="Delimiter">}</span> <span id="L1786" class="LineNr">1786 </span>] <span id="L1787" class="LineNr">1787 </span> -<span id="L1788" class="LineNr">1788 </span><span class="muRecipe">def</span> move-to-end-of-line editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L1788" class="LineNr">1788 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1788'>move-to-end-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L1789" class="LineNr">1789 </span> <span class="Constant">local-scope</span> <span id="L1790" class="LineNr">1790 </span> <span class="Constant">load-inputs</span> -<span id="L1791" class="LineNr">1791 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1791" class="LineNr">1791 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1792" class="LineNr">1792 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L1793" class="LineNr">1793 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L1794" class="LineNr">1794 </span> <span class="Comment"># while not at end of line, move</span> <span id="L1795" class="LineNr">1795 </span> <span class="Delimiter">{</span> -<span id="L1796" class="LineNr">1796 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor -<span id="L1797" class="LineNr">1797 </span> <span class="muControl">break-unless</span> next <span class="Comment"># end of text</span> +<span id="L1796" class="LineNr">1796 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L1797" class="LineNr">1797 </span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span class="Comment"># end of text</span> <span id="L1798" class="LineNr">1798 </span> nextc:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> <span id="L1799" class="LineNr">1799 </span> at-end-of-line?:bool <span class="Special"><-</span> equal nextc, <span class="Constant">10/newline</span> <span id="L1800" class="LineNr">1800 </span> <span class="muControl">break-if</span> at-end-of-line? @@ -1863,7 +1863,7 @@ if ('onhashchange' in window) { <span id="L1802" class="LineNr">1802 </span> at-right?:bool <span class="Special"><-</span> equal cursor-column, right <span id="L1803" class="LineNr">1803 </span> <span class="muControl">break-if</span> at-right? <span id="L1804" class="LineNr">1804 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1805" class="LineNr">1805 </span> before-cursor <span class="Special"><-</span> copy next +<span id="L1805" class="LineNr">1805 </span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L1806" class="LineNr">1806 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L1807" class="LineNr">1807 </span> <span class="muControl"> loop</span> <span id="L1808" class="LineNr">1808 </span> <span class="Delimiter">}</span> @@ -1874,8 +1874,8 @@ if ('onhashchange' in window) { <span id="L1813" class="LineNr">1813 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1814" class="LineNr">1814 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1815" class="LineNr">1815 </span><span class="Constant">456]</span> -<span id="L1816" class="LineNr">1816 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1817" class="LineNr">1817 </span> editor-render screen, e +<span id="L1816" class="LineNr">1816 </span> e:&:editor <span class="Special"><-</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="L1817" class="LineNr">1817 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1818" class="LineNr">1818 </span> $clear-trace <span id="L1819" class="LineNr">1819 </span> <span class="Comment"># start on second line (no newline after), press ctrl-e</span> <span id="L1820" class="LineNr">1820 </span> assume-console [ @@ -1883,7 +1883,7 @@ if ('onhashchange' in window) { <span id="L1822" class="LineNr">1822 </span> press ctrl-e <span id="L1823" class="LineNr">1823 </span> ] <span id="L1824" class="LineNr">1824 </span> run [ -<span id="L1825" class="LineNr">1825 </span> editor-event-loop screen, console, e +<span id="L1825" class="LineNr">1825 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1826" class="LineNr">1826 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1827" class="LineNr">1827 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1828" class="LineNr">1828 </span> ] @@ -1900,8 +1900,8 @@ if ('onhashchange' in window) { <span id="L1839" class="LineNr">1839 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1840" class="LineNr">1840 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1841" class="LineNr">1841 </span><span class="Constant">456]</span> -<span id="L1842" class="LineNr">1842 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1843" class="LineNr">1843 </span> editor-render screen, e +<span id="L1842" class="LineNr">1842 </span> e:&:editor <span class="Special"><-</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="L1843" class="LineNr">1843 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1844" class="LineNr">1844 </span> $clear-trace <span id="L1845" class="LineNr">1845 </span> <span class="Comment"># start on first line, press 'end'</span> <span id="L1846" class="LineNr">1846 </span> assume-console [ @@ -1909,7 +1909,7 @@ if ('onhashchange' in window) { <span id="L1848" class="LineNr">1848 </span> press end <span id="L1849" class="LineNr">1849 </span> ] <span id="L1850" class="LineNr">1850 </span> run [ -<span id="L1851" class="LineNr">1851 </span> editor-event-loop screen, console, e +<span id="L1851" class="LineNr">1851 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1852" class="LineNr">1852 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1853" class="LineNr">1853 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1854" class="LineNr">1854 </span> ] @@ -1926,8 +1926,8 @@ if ('onhashchange' in window) { <span id="L1865" class="LineNr">1865 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1866" class="LineNr">1866 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1867" class="LineNr">1867 </span><span class="Constant">456]</span> -<span id="L1868" class="LineNr">1868 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1869" class="LineNr">1869 </span> editor-render screen, e +<span id="L1868" class="LineNr">1868 </span> e:&:editor <span class="Special"><-</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="L1869" class="LineNr">1869 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1870" class="LineNr">1870 </span> $clear-trace <span id="L1871" class="LineNr">1871 </span> <span class="Comment"># start on second line (no newline after), press 'end'</span> <span id="L1872" class="LineNr">1872 </span> assume-console [ @@ -1935,7 +1935,7 @@ if ('onhashchange' in window) { <span id="L1874" class="LineNr">1874 </span> press end <span id="L1875" class="LineNr">1875 </span> ] <span id="L1876" class="LineNr">1876 </span> run [ -<span id="L1877" class="LineNr">1877 </span> editor-event-loop screen, console, e +<span id="L1877" class="LineNr">1877 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1878" class="LineNr">1878 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1879" class="LineNr">1879 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1880" class="LineNr">1880 </span> ] @@ -1952,8 +1952,8 @@ if ('onhashchange' in window) { <span id="L1891" class="LineNr">1891 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1892" class="LineNr">1892 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123456</span> <span id="L1893" class="LineNr">1893 </span><span class="Constant">789]</span> -<span id="L1894" class="LineNr">1894 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1895" class="LineNr">1895 </span> editor-render screen, e +<span id="L1894" class="LineNr">1894 </span> e:&:editor <span class="Special"><-</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="L1895" class="LineNr">1895 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1896" class="LineNr">1896 </span> $clear-trace <span id="L1897" class="LineNr">1897 </span> <span class="Comment"># start on first line, press 'end'</span> <span id="L1898" class="LineNr">1898 </span> assume-console [ @@ -1961,7 +1961,7 @@ if ('onhashchange' in window) { <span id="L1900" class="LineNr">1900 </span> press end <span id="L1901" class="LineNr">1901 </span> ] <span id="L1902" class="LineNr">1902 </span> run [ -<span id="L1903" class="LineNr">1903 </span> editor-event-loop screen, console, e +<span id="L1903" class="LineNr">1903 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1904" class="LineNr">1904 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1905" class="LineNr">1905 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1906" class="LineNr">1906 </span> ] @@ -1977,7 +1977,7 @@ if ('onhashchange' in window) { <span id="L1916" class="LineNr">1916 </span> type <span class="Constant">[a]</span> <span id="L1917" class="LineNr">1917 </span> ] <span id="L1918" class="LineNr">1918 </span> run [ -<span id="L1919" class="LineNr">1919 </span> editor-event-loop screen, console, e +<span id="L1919" class="LineNr">1919 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1920" class="LineNr">1920 </span> ] <span id="L1921" class="LineNr">1921 </span> screen-should-contain [ <span id="L1922" class="LineNr">1922 </span> <span class="Constant"> . .</span> @@ -1995,8 +1995,8 @@ if ('onhashchange' in window) { <span id="L1934" class="LineNr">1934 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1935" class="LineNr">1935 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1936" class="LineNr">1936 </span><span class="Constant">456]</span> -<span id="L1937" class="LineNr">1937 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1938" class="LineNr">1938 </span> editor-render screen, e +<span id="L1937" class="LineNr">1937 </span> e:&:editor <span class="Special"><-</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="L1938" class="LineNr">1938 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L1939" class="LineNr">1939 </span> $clear-trace <span id="L1940" class="LineNr">1940 </span> <span class="Comment"># start on second line, press ctrl-u</span> <span id="L1941" class="LineNr">1941 </span> assume-console [ @@ -2004,7 +2004,7 @@ if ('onhashchange' in window) { <span id="L1943" class="LineNr">1943 </span> press ctrl-u <span id="L1944" class="LineNr">1944 </span> ] <span id="L1945" class="LineNr">1945 </span> run [ -<span id="L1946" class="LineNr">1946 </span> editor-event-loop screen, console, e +<span id="L1946" class="LineNr">1946 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L1947" class="LineNr">1947 </span> ] <span id="L1948" class="LineNr">1948 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L1949" class="LineNr">1949 </span> screen-should-contain [ @@ -2017,32 +2017,32 @@ if ('onhashchange' in window) { <span id="L1956" class="LineNr">1956 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L1957" class="LineNr">1957 </span>] <span id="L1958" class="LineNr">1958 </span> -<span id="L1959" class="LineNr">1959 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L1959" class="LineNr">1959 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L1960" class="LineNr">1960 </span> <span class="Delimiter">{</span> <span id="L1961" class="LineNr">1961 </span> delete-to-start-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">21/ctrl-u</span> <span id="L1962" class="LineNr">1962 </span> <span class="muControl">break-unless</span> delete-to-start-of-line? -<span id="L1963" class="LineNr">1963 </span><span class="Constant"> <begin-delete-to-start-of-line></span> -<span id="L1964" class="LineNr">1964 </span> deleted-cells:&:duplex-list:char <span class="Special"><-</span> delete-to-start-of-line editor -<span id="L1965" class="LineNr">1965 </span><span class="Constant"> <end-delete-to-start-of-line></span> -<span id="L1966" class="LineNr">1966 </span> go-render?:bool <span class="Special"><-</span> minimal-render-for-ctrl-u screen, editor, deleted-cells +<span id="L1963" class="LineNr">1963 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L1963'><begin-delete-to-start-of-line></a></span> +<span id="L1964" class="LineNr">1964 </span> deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2006'>delete-to-start-of-line</a> editor +<span id="L1965" class="LineNr">1965 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L1965'><end-delete-to-start-of-line></a></span> +<span id="L1966" class="LineNr">1966 </span> go-render?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L1971'>minimal-render-for-ctrl-u</a> <a href='../081print.mu.html#L16'>screen</a>, editor, deleted-cells <span id="L1967" class="LineNr">1967 </span> <span class="muControl"> return</span> <span id="L1968" class="LineNr">1968 </span> <span class="Delimiter">}</span> <span id="L1969" class="LineNr">1969 </span>] <span id="L1970" class="LineNr">1970 </span> -<span id="L1971" class="LineNr">1971 </span><span class="muRecipe">def</span> minimal-render-for-ctrl-u screen:&:screen, editor:&:editor, deleted-cells:&:duplex-list:char<span class="muRecipe"> -> </span>go-render?:bool, screen:&:screen [ +<span id="L1971" class="LineNr">1971 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1971'>minimal-render-for-ctrl-u</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor, deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char<span class="muRecipe"> -> </span>go-render?:bool, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ <span id="L1972" class="LineNr">1972 </span> <span class="Constant">local-scope</span> <span id="L1973" class="LineNr">1973 </span> <span class="Constant">load-inputs</span> <span id="L1974" class="LineNr">1974 </span> curr-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L1975" class="LineNr">1975 </span> <span class="Comment"># accumulate the current line as text and render it</span> -<span id="L1976" class="LineNr">1976 </span> buf:&:buffer:char <span class="Special"><-</span> new-buffer<span class="Constant"> 30</span> <span class="Comment"># accumulator for the text we need to render</span> -<span id="L1977" class="LineNr">1977 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1976" class="LineNr">1976 </span> buf:&:<a href='../061text.mu.html#L120'>buffer</a>:char <span class="Special"><-</span> <a href='../061text.mu.html#L125'>new-buffer</a><span class="Constant"> 30</span> <span class="Comment"># accumulator for the text we need to render</span> +<span id="L1977" class="LineNr">1977 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1978" class="LineNr">1978 </span> i:num <span class="Special"><-</span> copy curr-column <span id="L1979" class="LineNr">1979 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L1980" class="LineNr">1980 </span> <span class="Delimiter">{</span> <span id="L1981" class="LineNr">1981 </span> <span class="Comment"># if we have a wrapped line, give up and render the whole screen</span> <span id="L1982" class="LineNr">1982 </span> wrap?:bool <span class="Special"><-</span> greater-or-equal i, right <span id="L1983" class="LineNr">1983 </span> <span class="muControl">return-if</span> wrap?, <span class="Constant">1/go-render</span> -<span id="L1984" class="LineNr">1984 </span> curr <span class="Special"><-</span> next curr +<span id="L1984" class="LineNr">1984 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr <span id="L1985" class="LineNr">1985 </span> <span class="muControl">break-unless</span> curr <span id="L1986" class="LineNr">1986 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L1987" class="LineNr">1987 </span> b:bool <span class="Special"><-</span> equal c,<span class="Constant"> 10</span> @@ -2058,22 +2058,22 @@ if ('onhashchange' in window) { <span id="L1997" class="LineNr">1997 </span> end:num <span class="Special"><-</span> subtract right, left <span id="L1998" class="LineNr">1998 </span> wrap?:bool <span class="Special"><-</span> greater-or-equal old-row-len, end <span id="L1999" class="LineNr">1999 </span> <span class="muControl">return-if</span> wrap?, <span class="Constant">1/go-render</span> -<span id="L2000" class="LineNr">2000 </span> curr-line:text <span class="Special"><-</span> buffer-to-array buf +<span id="L2000" class="LineNr">2000 </span> curr-line:text <span class="Special"><-</span> <a href='../061text.mu.html#L338'>buffer-to-array</a> buf <span id="L2001" class="LineNr">2001 </span> curr-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L2002" class="LineNr">2002 </span> render-code screen, curr-line, curr-column, right, curr-row +<span id="L2002" class="LineNr">2002 </span> <a href='003-shortcuts.mu.html#L2062'>render-code</a> <a href='../081print.mu.html#L16'>screen</a>, curr-line, curr-column, right, curr-row <span id="L2003" class="LineNr">2003 </span> <span class="muControl"> return</span> <span class="Constant">0/dont-render</span> <span id="L2004" class="LineNr">2004 </span>] <span id="L2005" class="LineNr">2005 </span> -<span id="L2006" class="LineNr">2006 </span><span class="muRecipe">def</span> delete-to-start-of-line editor:&:editor<span class="muRecipe"> -> </span>result:&:duplex-list:char, editor:&:editor [ +<span id="L2006" class="LineNr">2006 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2006'>delete-to-start-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor [ <span id="L2007" class="LineNr">2007 </span> <span class="Constant">local-scope</span> <span id="L2008" class="LineNr">2008 </span> <span class="Constant">load-inputs</span> <span id="L2009" class="LineNr">2009 </span> <span class="Comment"># compute range to delete</span> -<span id="L2010" class="LineNr">2010 </span> init:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L2011" class="LineNr">2011 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L2010" class="LineNr">2010 </span> init:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L2011" class="LineNr">2011 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L2012" class="LineNr">2012 </span> update-top-of-screen?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L2013" class="LineNr">2013 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L2014" class="LineNr">2014 </span> start:&:duplex-list:char <span class="Special"><-</span> copy before-cursor -<span id="L2015" class="LineNr">2015 </span> end:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L2013" class="LineNr">2013 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L2014" class="LineNr">2014 </span> start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy before-cursor +<span id="L2015" class="LineNr">2015 </span> end:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor <span id="L2016" class="LineNr">2016 </span> <span class="Delimiter">{</span> <span id="L2017" class="LineNr">2017 </span> at-start-of-text?:bool <span class="Special"><-</span> equal start, init <span id="L2018" class="LineNr">2018 </span> <span class="muControl">break-if</span> at-start-of-text? @@ -2083,13 +2083,13 @@ if ('onhashchange' in window) { <span id="L2022" class="LineNr">2022 </span> <span class="Comment"># if we went past top-of-screen, make a note to update it as well</span> <span id="L2023" class="LineNr">2023 </span> at-top-of-screen?:bool <span class="Special"><-</span> equal start, top-of-screen <span id="L2024" class="LineNr">2024 </span> update-top-of-screen?:bool <span class="Special"><-</span> or update-top-of-screen?, at-top-of-screen? -<span id="L2025" class="LineNr">2025 </span> start <span class="Special"><-</span> prev start +<span id="L2025" class="LineNr">2025 </span> start <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> start <span id="L2026" class="LineNr">2026 </span> assert start, <span class="Constant">[delete-to-start-of-line tried to move before start of text]</span> <span id="L2027" class="LineNr">2027 </span> <span class="muControl"> loop</span> <span id="L2028" class="LineNr">2028 </span> <span class="Delimiter">}</span> <span id="L2029" class="LineNr">2029 </span> <span class="Comment"># snip it out</span> -<span id="L2030" class="LineNr">2030 </span> result:&:duplex-list:char <span class="Special"><-</span> next start -<span id="L2031" class="LineNr">2031 </span> remove-between start, end +<span id="L2030" class="LineNr">2030 </span> result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> start +<span id="L2031" class="LineNr">2031 </span> <a href='../065duplex_list.mu.html#L385'>remove-between</a> start, end <span id="L2032" class="LineNr">2032 </span> <span class="Comment"># update top-of-screen if it's just been invalidated</span> <span id="L2033" class="LineNr">2033 </span> <span class="Delimiter">{</span> <span id="L2034" class="LineNr">2034 </span> <span class="muControl">break-unless</span> update-top-of-screen? @@ -2120,21 +2120,21 @@ if ('onhashchange' in window) { <span id="L2059" class="LineNr">2059 </span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row <span id="L2060" class="LineNr">2060 </span>] <span id="L2061" class="LineNr">2061 </span> -<span id="L2062" class="LineNr">2062 </span><span class="muRecipe">def</span> render-code screen:&:screen, s:text, left:num, right:num, row:num<span class="muRecipe"> -> </span>row:num, screen:&:screen [ +<span id="L2062" class="LineNr">2062 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2062'>render-code</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, s:text, left:num, right:num, row:num<span class="muRecipe"> -> </span>row:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ <span id="L2063" class="LineNr">2063 </span> <span class="Constant">local-scope</span> <span id="L2064" class="LineNr">2064 </span> <span class="Constant">load-inputs</span> <span id="L2065" class="LineNr">2065 </span> <span class="muControl">return-unless</span> s <span id="L2066" class="LineNr">2066 </span> color:num <span class="Special"><-</span> copy <span class="Constant">7/white</span> <span id="L2067" class="LineNr">2067 </span> column:num <span class="Special"><-</span> copy left -<span id="L2068" class="LineNr">2068 </span> screen <span class="Special"><-</span> move-cursor screen, row, column -<span id="L2069" class="LineNr">2069 </span> screen-height:num <span class="Special"><-</span> screen-height screen +<span id="L2068" class="LineNr">2068 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column +<span id="L2069" class="LineNr">2069 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> <span id="L2070" class="LineNr">2070 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L2071" class="LineNr">2071 </span> len:num <span class="Special"><-</span> length *s <span id="L2072" class="LineNr">2072 </span> <span class="Delimiter">{</span> <span id="L2073" class="LineNr">2073 </span><span class="Constant"> +next-character</span> <span id="L2074" class="LineNr">2074 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len <span id="L2075" class="LineNr">2075 </span> <span class="muControl">break-if</span> done? -<span id="L2076" class="LineNr">2076 </span> done? <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L2076" class="LineNr">2076 </span> done? <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> <span id="L2077" class="LineNr">2077 </span> <span class="muControl">break-if</span> done? <span id="L2078" class="LineNr">2078 </span> c:char <span class="Special"><-</span> index *s, i <span id="L2079" class="LineNr">2079 </span><span class="Constant"> <character-c-received></span> @@ -2147,13 +2147,13 @@ if ('onhashchange' in window) { <span id="L2086" class="LineNr">2086 </span> done?:bool <span class="Special"><-</span> greater-than column, right <span id="L2087" class="LineNr">2087 </span> <span class="muControl">break-if</span> done? <span id="L2088" class="LineNr">2088 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L2089" class="LineNr">2089 </span> print screen, space +<span id="L2089" class="LineNr">2089 </span> print <a href='../081print.mu.html#L16'>screen</a>, space <span id="L2090" class="LineNr">2090 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> <span id="L2091" class="LineNr">2091 </span> <span class="muControl"> loop</span> <span id="L2092" class="LineNr">2092 </span> <span class="Delimiter">}</span> <span id="L2093" class="LineNr">2093 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> <span id="L2094" class="LineNr">2094 </span> column <span class="Special"><-</span> copy left -<span id="L2095" class="LineNr">2095 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L2095" class="LineNr">2095 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column <span id="L2096" class="LineNr">2096 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> <span id="L2097" class="LineNr">2097 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> <span id="L2098" class="LineNr">2098 </span> <span class="Delimiter">}</span> @@ -2163,25 +2163,25 @@ if ('onhashchange' in window) { <span id="L2102" class="LineNr">2102 </span> <span class="muControl">break-unless</span> at-right? <span id="L2103" class="LineNr">2103 </span> <span class="Comment"># print wrap icon</span> <span id="L2104" class="LineNr">2104 </span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> -<span id="L2105" class="LineNr">2105 </span> print screen, wrap-icon, <span class="Constant">245/grey</span> +<span id="L2105" class="LineNr">2105 </span> print <a href='../081print.mu.html#L16'>screen</a>, wrap-icon, <span class="Constant">245/grey</span> <span id="L2106" class="LineNr">2106 </span> column <span class="Special"><-</span> copy left <span id="L2107" class="LineNr">2107 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L2108" class="LineNr">2108 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L2108" class="LineNr">2108 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column <span id="L2109" class="LineNr">2109 </span> <span class="Comment"># don't increment i</span> <span id="L2110" class="LineNr">2110 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> <span id="L2111" class="LineNr">2111 </span> <span class="Delimiter">}</span> <span id="L2112" class="LineNr">2112 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L2113" class="LineNr">2113 </span> print screen, c, color +<span id="L2113" class="LineNr">2113 </span> print <a href='../081print.mu.html#L16'>screen</a>, c, color <span id="L2114" class="LineNr">2114 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> <span id="L2115" class="LineNr">2115 </span> <span class="muControl"> loop</span> <span id="L2116" class="LineNr">2116 </span> <span class="Delimiter">}</span> <span id="L2117" class="LineNr">2117 </span> was-at-left?:bool <span class="Special"><-</span> equal column, left -<span id="L2118" class="LineNr">2118 </span> clear-line-until screen, right +<span id="L2118" class="LineNr">2118 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right <span id="L2119" class="LineNr">2119 </span> <span class="Delimiter">{</span> <span id="L2120" class="LineNr">2120 </span> <span class="muControl">break-if</span> was-at-left? <span id="L2121" class="LineNr">2121 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> <span id="L2122" class="LineNr">2122 </span> <span class="Delimiter">}</span> -<span id="L2123" class="LineNr">2123 </span> move-cursor screen, row, left +<span id="L2123" class="LineNr">2123 </span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left <span id="L2124" class="LineNr">2124 </span>] <span id="L2125" class="LineNr">2125 </span> <span id="L2126" class="LineNr">2126 </span><span class="muScenario">scenario</span> editor-deletes-to-start-of-line-with-ctrl-u-2 [ @@ -2189,8 +2189,8 @@ if ('onhashchange' in window) { <span id="L2128" class="LineNr">2128 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2129" class="LineNr">2129 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2130" class="LineNr">2130 </span><span class="Constant">456]</span> -<span id="L2131" class="LineNr">2131 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2132" class="LineNr">2132 </span> editor-render screen, e +<span id="L2131" class="LineNr">2131 </span> e:&:editor <span class="Special"><-</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="L2132" class="LineNr">2132 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2133" class="LineNr">2133 </span> $clear-trace <span id="L2134" class="LineNr">2134 </span> <span class="Comment"># start on first line (no newline before), press ctrl-u</span> <span id="L2135" class="LineNr">2135 </span> assume-console [ @@ -2198,7 +2198,7 @@ if ('onhashchange' in window) { <span id="L2137" class="LineNr">2137 </span> press ctrl-u <span id="L2138" class="LineNr">2138 </span> ] <span id="L2139" class="LineNr">2139 </span> run [ -<span id="L2140" class="LineNr">2140 </span> editor-event-loop screen, console, e +<span id="L2140" class="LineNr">2140 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2141" class="LineNr">2141 </span> ] <span id="L2142" class="LineNr">2142 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L2143" class="LineNr">2143 </span> screen-should-contain [ @@ -2216,8 +2216,8 @@ if ('onhashchange' in window) { <span id="L2155" class="LineNr">2155 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2156" class="LineNr">2156 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2157" class="LineNr">2157 </span><span class="Constant">456]</span> -<span id="L2158" class="LineNr">2158 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2159" class="LineNr">2159 </span> editor-render screen, e +<span id="L2158" class="LineNr">2158 </span> e:&:editor <span class="Special"><-</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="L2159" class="LineNr">2159 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2160" class="LineNr">2160 </span> $clear-trace <span id="L2161" class="LineNr">2161 </span> <span class="Comment"># start past end of line, press ctrl-u</span> <span id="L2162" class="LineNr">2162 </span> assume-console [ @@ -2225,7 +2225,7 @@ if ('onhashchange' in window) { <span id="L2164" class="LineNr">2164 </span> press ctrl-u <span id="L2165" class="LineNr">2165 </span> ] <span id="L2166" class="LineNr">2166 </span> run [ -<span id="L2167" class="LineNr">2167 </span> editor-event-loop screen, console, e +<span id="L2167" class="LineNr">2167 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2168" class="LineNr">2168 </span> ] <span id="L2169" class="LineNr">2169 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L2170" class="LineNr">2170 </span> screen-should-contain [ @@ -2243,8 +2243,8 @@ if ('onhashchange' in window) { <span id="L2182" class="LineNr">2182 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2183" class="LineNr">2183 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2184" class="LineNr">2184 </span><span class="Constant">456]</span> -<span id="L2185" class="LineNr">2185 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2186" class="LineNr">2186 </span> editor-render screen, e +<span id="L2185" class="LineNr">2185 </span> e:&:editor <span class="Special"><-</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="L2186" class="LineNr">2186 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2187" class="LineNr">2187 </span> $clear-trace <span id="L2188" class="LineNr">2188 </span> <span class="Comment"># start past end of final line, press ctrl-u</span> <span id="L2189" class="LineNr">2189 </span> assume-console [ @@ -2252,7 +2252,7 @@ if ('onhashchange' in window) { <span id="L2191" class="LineNr">2191 </span> press ctrl-u <span id="L2192" class="LineNr">2192 </span> ] <span id="L2193" class="LineNr">2193 </span> run [ -<span id="L2194" class="LineNr">2194 </span> editor-event-loop screen, console, e +<span id="L2194" class="LineNr">2194 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2195" class="LineNr">2195 </span> ] <span id="L2196" class="LineNr">2196 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L2197" class="LineNr">2197 </span> screen-should-contain [ @@ -2271,8 +2271,8 @@ if ('onhashchange' in window) { <span id="L2210" class="LineNr">2210 </span> <span class="Comment"># first line starts out wrapping</span> <span id="L2211" class="LineNr">2211 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123456</span> <span id="L2212" class="LineNr">2212 </span><span class="Constant">789]</span> -<span id="L2213" class="LineNr">2213 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2214" class="LineNr">2214 </span> editor-render screen, e +<span id="L2213" class="LineNr">2213 </span> e:&:editor <span class="Special"><-</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="L2214" class="LineNr">2214 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2215" class="LineNr">2215 </span> screen-should-contain [ <span id="L2216" class="LineNr">2216 </span> <span class="Constant"> . .</span> <span id="L2217" class="LineNr">2217 </span> <span class="Constant"> .1234↩ .</span> @@ -2288,7 +2288,7 @@ if ('onhashchange' in window) { <span id="L2227" class="LineNr">2227 </span> press ctrl-u <span id="L2228" class="LineNr">2228 </span> ] <span id="L2229" class="LineNr">2229 </span> run [ -<span id="L2230" class="LineNr">2230 </span> editor-event-loop screen, console, e +<span id="L2230" class="LineNr">2230 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2231" class="LineNr">2231 </span> ] <span id="L2232" class="LineNr">2232 </span> <span class="Comment"># entire screen needs to be refreshed</span> <span id="L2233" class="LineNr">2233 </span> screen-should-contain [ @@ -2310,8 +2310,8 @@ if ('onhashchange' in window) { <span id="L2249" class="LineNr">2249 </span><span class="Constant">2</span> <span id="L2250" class="LineNr">2250 </span><span class="Constant">345678</span> <span id="L2251" class="LineNr">2251 </span><span class="Constant">9]</span> -<span id="L2252" class="LineNr">2252 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2253" class="LineNr">2253 </span> editor-render screen, e +<span id="L2252" class="LineNr">2252 </span> e:&:editor <span class="Special"><-</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="L2253" class="LineNr">2253 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2254" class="LineNr">2254 </span> screen-should-contain [ <span id="L2255" class="LineNr">2255 </span> <span class="Constant"> . .</span> <span id="L2256" class="LineNr">2256 </span> <span class="Constant"> .1 .</span> @@ -2328,7 +2328,7 @@ if ('onhashchange' in window) { <span id="L2267" class="LineNr">2267 </span> press ctrl-u <span id="L2268" class="LineNr">2268 </span> ] <span id="L2269" class="LineNr">2269 </span> run [ -<span id="L2270" class="LineNr">2270 </span> editor-event-loop screen, console, e +<span id="L2270" class="LineNr">2270 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2271" class="LineNr">2271 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2272" class="LineNr">2272 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2273" class="LineNr">2273 </span> ] @@ -2357,12 +2357,12 @@ if ('onhashchange' in window) { <span id="L2296" class="LineNr">2296 </span><span class="Constant">2</span> <span id="L2297" class="LineNr">2297 </span><span class="Constant">3456789abcd</span> <span id="L2298" class="LineNr">2298 </span><span class="Constant">e]</span> -<span id="L2299" class="LineNr">2299 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2300" class="LineNr">2300 </span> editor-render screen, e +<span id="L2299" class="LineNr">2299 </span> e:&:editor <span class="Special"><-</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="L2300" class="LineNr">2300 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2301" class="LineNr">2301 </span> assume-console [ <span id="L2302" class="LineNr">2302 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> <span id="L2303" class="LineNr">2303 </span> ] -<span id="L2304" class="LineNr">2304 </span> editor-event-loop screen, console, e +<span id="L2304" class="LineNr">2304 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2305" class="LineNr">2305 </span> screen-should-contain [ <span id="L2306" class="LineNr">2306 </span> <span class="Constant"> . .</span> <span id="L2307" class="LineNr">2307 </span> <span class="Constant"> .1 .</span> @@ -2379,7 +2379,7 @@ if ('onhashchange' in window) { <span id="L2318" class="LineNr">2318 </span> press ctrl-u <span id="L2319" class="LineNr">2319 </span> ] <span id="L2320" class="LineNr">2320 </span> run [ -<span id="L2321" class="LineNr">2321 </span> editor-event-loop screen, console, e +<span id="L2321" class="LineNr">2321 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2322" class="LineNr">2322 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2323" class="LineNr">2323 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2324" class="LineNr">2324 </span> ] @@ -2406,8 +2406,8 @@ if ('onhashchange' in window) { <span id="L2345" class="LineNr">2345 </span> <span class="Comment"># first line starts out wrapping</span> <span id="L2346" class="LineNr">2346 </span> s:text <span class="Special"><-</span> new <span class="Constant">[1234567</span> <span id="L2347" class="LineNr">2347 </span><span class="Constant">89]</span> -<span id="L2348" class="LineNr">2348 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2349" class="LineNr">2349 </span> editor-render screen, e +<span id="L2348" class="LineNr">2348 </span> e:&:editor <span class="Special"><-</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="L2349" class="LineNr">2349 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2350" class="LineNr">2350 </span> screen-should-contain [ <span id="L2351" class="LineNr">2351 </span> <span class="Constant"> . .</span> <span id="L2352" class="LineNr">2352 </span> <span class="Constant"> .1234↩ .</span> @@ -2422,7 +2422,7 @@ if ('onhashchange' in window) { <span id="L2361" class="LineNr">2361 </span> press ctrl-u <span id="L2362" class="LineNr">2362 </span> ] <span id="L2363" class="LineNr">2363 </span> run [ -<span id="L2364" class="LineNr">2364 </span> editor-event-loop screen, console, e +<span id="L2364" class="LineNr">2364 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2365" class="LineNr">2365 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2366" class="LineNr">2366 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2367" class="LineNr">2367 </span> ] @@ -2449,14 +2449,14 @@ if ('onhashchange' in window) { <span id="L2388" class="LineNr">2388 </span><span class="Constant">2</span> <span id="L2389" class="LineNr">2389 </span><span class="Constant">345678</span> <span id="L2390" class="LineNr">2390 </span><span class="Constant">9]</span> -<span id="L2391" class="LineNr">2391 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2392" class="LineNr">2392 </span> editor-render screen, e +<span id="L2391" class="LineNr">2391 </span> e:&:editor <span class="Special"><-</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="L2392" class="LineNr">2392 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2393" class="LineNr">2393 </span> <span class="Comment"># position the '78' line at the top of the screen</span> <span id="L2394" class="LineNr">2394 </span> assume-console [ <span id="L2395" class="LineNr">2395 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> <span id="L2396" class="LineNr">2396 </span> press ctrl-t <span id="L2397" class="LineNr">2397 </span> ] -<span id="L2398" class="LineNr">2398 </span> editor-event-loop screen, console, e +<span id="L2398" class="LineNr">2398 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2399" class="LineNr">2399 </span> screen-should-contain [ <span id="L2400" class="LineNr">2400 </span> <span class="Constant"> . .</span> <span id="L2401" class="LineNr">2401 </span> <span class="Constant"> .78 .</span> @@ -2469,7 +2469,7 @@ if ('onhashchange' in window) { <span id="L2408" class="LineNr">2408 </span> press ctrl-u <span id="L2409" class="LineNr">2409 </span> ] <span id="L2410" class="LineNr">2410 </span> run [ -<span id="L2411" class="LineNr">2411 </span> editor-event-loop screen, console, e +<span id="L2411" class="LineNr">2411 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2412" class="LineNr">2412 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2413" class="LineNr">2413 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2414" class="LineNr">2414 </span> ] @@ -2490,7 +2490,7 @@ if ('onhashchange' in window) { <span id="L2429" class="LineNr">2429 </span> press up-arrow <span id="L2430" class="LineNr">2430 </span> ] <span id="L2431" class="LineNr">2431 </span> run [ -<span id="L2432" class="LineNr">2432 </span> editor-event-loop screen, console, e +<span id="L2432" class="LineNr">2432 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2433" class="LineNr">2433 </span> ] <span id="L2434" class="LineNr">2434 </span> screen-should-contain [ <span id="L2435" class="LineNr">2435 </span> <span class="Constant"> . .</span> @@ -2511,15 +2511,15 @@ if ('onhashchange' in window) { <span id="L2450" class="LineNr">2450 </span><span class="Constant">2</span> <span id="L2451" class="LineNr">2451 </span><span class="Constant">3456789abcd</span> <span id="L2452" class="LineNr">2452 </span><span class="Constant">e]</span> -<span id="L2453" class="LineNr">2453 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2454" class="LineNr">2454 </span> editor-render screen, e +<span id="L2453" class="LineNr">2453 </span> e:&:editor <span class="Special"><-</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="L2454" class="LineNr">2454 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2455" class="LineNr">2455 </span> <span class="Comment"># position the 'bcd' line at the top of the screen</span> <span id="L2456" class="LineNr">2456 </span> assume-console [ <span id="L2457" class="LineNr">2457 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> <span id="L2458" class="LineNr">2458 </span> press ctrl-t <span id="L2459" class="LineNr">2459 </span> press ctrl-s <span class="Comment"># now on 'c'</span> <span id="L2460" class="LineNr">2460 </span> ] -<span id="L2461" class="LineNr">2461 </span> editor-event-loop screen, console, e +<span id="L2461" class="LineNr">2461 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2462" class="LineNr">2462 </span> screen-should-contain [ <span id="L2463" class="LineNr">2463 </span> <span class="Constant"> . .</span> <span id="L2464" class="LineNr">2464 </span> <span class="Constant"> .bcd .</span> @@ -2532,7 +2532,7 @@ if ('onhashchange' in window) { <span id="L2471" class="LineNr">2471 </span> press ctrl-u <span id="L2472" class="LineNr">2472 </span> ] <span id="L2473" class="LineNr">2473 </span> run [ -<span id="L2474" class="LineNr">2474 </span> editor-event-loop screen, console, e +<span id="L2474" class="LineNr">2474 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2475" class="LineNr">2475 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2476" class="LineNr">2476 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2477" class="LineNr">2477 </span> ] @@ -2553,7 +2553,7 @@ if ('onhashchange' in window) { <span id="L2492" class="LineNr">2492 </span> press up-arrow <span id="L2493" class="LineNr">2493 </span> ] <span id="L2494" class="LineNr">2494 </span> run [ -<span id="L2495" class="LineNr">2495 </span> editor-event-loop screen, console, e +<span id="L2495" class="LineNr">2495 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2496" class="LineNr">2496 </span> ] <span id="L2497" class="LineNr">2497 </span> screen-should-contain [ <span id="L2498" class="LineNr">2498 </span> <span class="Constant"> . .</span> @@ -2572,8 +2572,8 @@ if ('onhashchange' in window) { <span id="L2511" class="LineNr">2511 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2512" class="LineNr">2512 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2513" class="LineNr">2513 </span><span class="Constant">456]</span> -<span id="L2514" class="LineNr">2514 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2515" class="LineNr">2515 </span> editor-render screen, e +<span id="L2514" class="LineNr">2514 </span> e:&:editor <span class="Special"><-</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="L2515" class="LineNr">2515 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2516" class="LineNr">2516 </span> $clear-trace <span id="L2517" class="LineNr">2517 </span> <span class="Comment"># start on first line, press ctrl-k</span> <span id="L2518" class="LineNr">2518 </span> assume-console [ @@ -2581,7 +2581,7 @@ if ('onhashchange' in window) { <span id="L2520" class="LineNr">2520 </span> press ctrl-k <span id="L2521" class="LineNr">2521 </span> ] <span id="L2522" class="LineNr">2522 </span> run [ -<span id="L2523" class="LineNr">2523 </span> editor-event-loop screen, console, e +<span id="L2523" class="LineNr">2523 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2524" class="LineNr">2524 </span> ] <span id="L2525" class="LineNr">2525 </span> <span class="Comment"># cursor deletes to end of line</span> <span id="L2526" class="LineNr">2526 </span> screen-should-contain [ @@ -2594,20 +2594,20 @@ if ('onhashchange' in window) { <span id="L2533" class="LineNr">2533 </span> check-trace-count-for-label<span class="Constant"> 9</span>, <span class="Constant">[print-character]</span> <span id="L2534" class="LineNr">2534 </span>] <span id="L2535" class="LineNr">2535 </span> -<span id="L2536" class="LineNr">2536 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L2536" class="LineNr">2536 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L2537" class="LineNr">2537 </span> <span class="Delimiter">{</span> <span id="L2538" class="LineNr">2538 </span> delete-to-end-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">11/ctrl-k</span> <span id="L2539" class="LineNr">2539 </span> <span class="muControl">break-unless</span> delete-to-end-of-line? -<span id="L2540" class="LineNr">2540 </span><span class="Constant"> <begin-delete-to-end-of-line></span> -<span id="L2541" class="LineNr">2541 </span> deleted-cells:&:duplex-list:char <span class="Special"><-</span> delete-to-end-of-line editor -<span id="L2542" class="LineNr">2542 </span><span class="Constant"> <end-delete-to-end-of-line></span> +<span id="L2540" class="LineNr">2540 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L2540'><begin-delete-to-end-of-line></a></span> +<span id="L2541" class="LineNr">2541 </span> deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2567'>delete-to-end-of-line</a> editor +<span id="L2542" class="LineNr">2542 </span><span class="Constant"> <a href='003-shortcuts.mu.html#L2542'><end-delete-to-end-of-line></a></span> <span id="L2543" class="LineNr">2543 </span> <span class="Comment"># checks if we can do a minimal render and if we can it will do a minimal render</span> -<span id="L2544" class="LineNr">2544 </span> go-render?:bool <span class="Special"><-</span> minimal-render-for-ctrl-k screen, editor, deleted-cells +<span id="L2544" class="LineNr">2544 </span> go-render?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2549'>minimal-render-for-ctrl-k</a> <a href='../081print.mu.html#L16'>screen</a>, editor, deleted-cells <span id="L2545" class="LineNr">2545 </span> <span class="muControl"> return</span> <span id="L2546" class="LineNr">2546 </span> <span class="Delimiter">}</span> <span id="L2547" class="LineNr">2547 </span>] <span id="L2548" class="LineNr">2548 </span> -<span id="L2549" class="LineNr">2549 </span><span class="muRecipe">def</span> minimal-render-for-ctrl-k screen:&:screen, editor:&:editor, deleted-cells:&:duplex-list:char<span class="muRecipe"> -> </span>go-render?:bool, screen:&:screen [ +<span id="L2549" class="LineNr">2549 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2549'>minimal-render-for-ctrl-k</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor, deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char<span class="muRecipe"> -> </span>go-render?:bool, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ <span id="L2550" class="LineNr">2550 </span> <span class="Constant">local-scope</span> <span id="L2551" class="LineNr">2551 </span> <span class="Constant">load-inputs</span> <span id="L2552" class="LineNr">2552 </span> <span class="Comment"># if we deleted nothing, there's nothing to render</span> @@ -2621,28 +2621,28 @@ if ('onhashchange' in window) { <span id="L2560" class="LineNr">2560 </span> end:num <span class="Special"><-</span> subtract right, left <span id="L2561" class="LineNr">2561 </span> wrap?:bool <span class="Special"><-</span> greater-or-equal old-row-len, end <span id="L2562" class="LineNr">2562 </span> <span class="muControl">return-if</span> wrap?, <span class="Constant">1/go-render</span> -<span id="L2563" class="LineNr">2563 </span> clear-line-until screen, right +<span id="L2563" class="LineNr">2563 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right <span id="L2564" class="LineNr">2564 </span> <span class="muControl"> return</span> <span class="Constant">0/dont-render</span> <span id="L2565" class="LineNr">2565 </span>] <span id="L2566" class="LineNr">2566 </span> -<span id="L2567" class="LineNr">2567 </span><span class="muRecipe">def</span> delete-to-end-of-line editor:&:editor<span class="muRecipe"> -> </span>result:&:duplex-list:char, editor:&:editor [ +<span id="L2567" class="LineNr">2567 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2567'>delete-to-end-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor [ <span id="L2568" class="LineNr">2568 </span> <span class="Constant">local-scope</span> <span id="L2569" class="LineNr">2569 </span> <span class="Constant">load-inputs</span> <span id="L2570" class="LineNr">2570 </span> <span class="Comment"># compute range to delete</span> -<span id="L2571" class="LineNr">2571 </span> start:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L2572" class="LineNr">2572 </span> end:&:duplex-list:char <span class="Special"><-</span> next start +<span id="L2571" class="LineNr">2571 </span> start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L2572" class="LineNr">2572 </span> end:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> start <span id="L2573" class="LineNr">2573 </span> <span class="Delimiter">{</span> <span id="L2574" class="LineNr">2574 </span> at-end-of-text?:bool <span class="Special"><-</span> equal end, <span class="Constant">0/null</span> <span id="L2575" class="LineNr">2575 </span> <span class="muControl">break-if</span> at-end-of-text? <span id="L2576" class="LineNr">2576 </span> curr:char <span class="Special"><-</span> get *end, <span class="Constant">value:offset</span> <span id="L2577" class="LineNr">2577 </span> at-end-of-line?:bool <span class="Special"><-</span> equal curr, <span class="Constant">10/newline</span> <span id="L2578" class="LineNr">2578 </span> <span class="muControl">break-if</span> at-end-of-line? -<span id="L2579" class="LineNr">2579 </span> end <span class="Special"><-</span> next end +<span id="L2579" class="LineNr">2579 </span> end <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> end <span id="L2580" class="LineNr">2580 </span> <span class="muControl"> loop</span> <span id="L2581" class="LineNr">2581 </span> <span class="Delimiter">}</span> <span id="L2582" class="LineNr">2582 </span> <span class="Comment"># snip it out</span> -<span id="L2583" class="LineNr">2583 </span> result <span class="Special"><-</span> next start -<span id="L2584" class="LineNr">2584 </span> remove-between start, end +<span id="L2583" class="LineNr">2583 </span> result <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> start +<span id="L2584" class="LineNr">2584 </span> <a href='../065duplex_list.mu.html#L385'>remove-between</a> start, end <span id="L2585" class="LineNr">2585 </span>] <span id="L2586" class="LineNr">2586 </span> <span id="L2587" class="LineNr">2587 </span><span class="muScenario">scenario</span> editor-deletes-to-end-of-line-with-ctrl-k-2 [ @@ -2650,8 +2650,8 @@ if ('onhashchange' in window) { <span id="L2589" class="LineNr">2589 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2590" class="LineNr">2590 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2591" class="LineNr">2591 </span><span class="Constant">456]</span> -<span id="L2592" class="LineNr">2592 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2593" class="LineNr">2593 </span> editor-render screen, e +<span id="L2592" class="LineNr">2592 </span> e:&:editor <span class="Special"><-</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="L2593" class="LineNr">2593 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2594" class="LineNr">2594 </span> $clear-trace <span id="L2595" class="LineNr">2595 </span> <span class="Comment"># start on second line (no newline after), press ctrl-k</span> <span id="L2596" class="LineNr">2596 </span> assume-console [ @@ -2659,7 +2659,7 @@ if ('onhashchange' in window) { <span id="L2598" class="LineNr">2598 </span> press ctrl-k <span id="L2599" class="LineNr">2599 </span> ] <span id="L2600" class="LineNr">2600 </span> run [ -<span id="L2601" class="LineNr">2601 </span> editor-event-loop screen, console, e +<span id="L2601" class="LineNr">2601 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2602" class="LineNr">2602 </span> ] <span id="L2603" class="LineNr">2603 </span> <span class="Comment"># cursor deletes to end of line</span> <span id="L2604" class="LineNr">2604 </span> screen-should-contain [ @@ -2677,8 +2677,8 @@ if ('onhashchange' in window) { <span id="L2616" class="LineNr">2616 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2617" class="LineNr">2617 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2618" class="LineNr">2618 </span><span class="Constant">456]</span> -<span id="L2619" class="LineNr">2619 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2620" class="LineNr">2620 </span> editor-render screen, e +<span id="L2619" class="LineNr">2619 </span> e:&:editor <span class="Special"><-</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="L2620" class="LineNr">2620 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2621" class="LineNr">2621 </span> $clear-trace <span id="L2622" class="LineNr">2622 </span> <span class="Comment"># start at end of line</span> <span id="L2623" class="LineNr">2623 </span> assume-console [ @@ -2686,7 +2686,7 @@ if ('onhashchange' in window) { <span id="L2625" class="LineNr">2625 </span> press ctrl-k <span id="L2626" class="LineNr">2626 </span> ] <span id="L2627" class="LineNr">2627 </span> run [ -<span id="L2628" class="LineNr">2628 </span> editor-event-loop screen, console, e +<span id="L2628" class="LineNr">2628 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2629" class="LineNr">2629 </span> ] <span id="L2630" class="LineNr">2630 </span> <span class="Comment"># cursor deletes just last character</span> <span id="L2631" class="LineNr">2631 </span> screen-should-contain [ @@ -2704,8 +2704,8 @@ if ('onhashchange' in window) { <span id="L2643" class="LineNr">2643 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2644" class="LineNr">2644 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2645" class="LineNr">2645 </span><span class="Constant">456]</span> -<span id="L2646" class="LineNr">2646 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2647" class="LineNr">2647 </span> editor-render screen, e +<span id="L2646" class="LineNr">2646 </span> e:&:editor <span class="Special"><-</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="L2647" class="LineNr">2647 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2648" class="LineNr">2648 </span> $clear-trace <span id="L2649" class="LineNr">2649 </span> <span class="Comment"># start past end of line</span> <span id="L2650" class="LineNr">2650 </span> assume-console [ @@ -2713,7 +2713,7 @@ if ('onhashchange' in window) { <span id="L2652" class="LineNr">2652 </span> press ctrl-k <span id="L2653" class="LineNr">2653 </span> ] <span id="L2654" class="LineNr">2654 </span> run [ -<span id="L2655" class="LineNr">2655 </span> editor-event-loop screen, console, e +<span id="L2655" class="LineNr">2655 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2656" class="LineNr">2656 </span> ] <span id="L2657" class="LineNr">2657 </span> <span class="Comment"># cursor deletes nothing</span> <span id="L2658" class="LineNr">2658 </span> screen-should-contain [ @@ -2731,8 +2731,8 @@ if ('onhashchange' in window) { <span id="L2670" class="LineNr">2670 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2671" class="LineNr">2671 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2672" class="LineNr">2672 </span><span class="Constant">456]</span> -<span id="L2673" class="LineNr">2673 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2674" class="LineNr">2674 </span> editor-render screen, e +<span id="L2673" class="LineNr">2673 </span> e:&:editor <span class="Special"><-</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="L2674" class="LineNr">2674 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2675" class="LineNr">2675 </span> $clear-trace <span id="L2676" class="LineNr">2676 </span> <span class="Comment"># start at end of text</span> <span id="L2677" class="LineNr">2677 </span> assume-console [ @@ -2740,7 +2740,7 @@ if ('onhashchange' in window) { <span id="L2679" class="LineNr">2679 </span> press ctrl-k <span id="L2680" class="LineNr">2680 </span> ] <span id="L2681" class="LineNr">2681 </span> run [ -<span id="L2682" class="LineNr">2682 </span> editor-event-loop screen, console, e +<span id="L2682" class="LineNr">2682 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2683" class="LineNr">2683 </span> ] <span id="L2684" class="LineNr">2684 </span> <span class="Comment"># cursor deletes just the final character</span> <span id="L2685" class="LineNr">2685 </span> screen-should-contain [ @@ -2758,8 +2758,8 @@ if ('onhashchange' in window) { <span id="L2697" class="LineNr">2697 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2698" class="LineNr">2698 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2699" class="LineNr">2699 </span><span class="Constant">456]</span> -<span id="L2700" class="LineNr">2700 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2701" class="LineNr">2701 </span> editor-render screen, e +<span id="L2700" class="LineNr">2700 </span> e:&:editor <span class="Special"><-</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="L2701" class="LineNr">2701 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2702" class="LineNr">2702 </span> $clear-trace <span id="L2703" class="LineNr">2703 </span> <span class="Comment"># start past end of text</span> <span id="L2704" class="LineNr">2704 </span> assume-console [ @@ -2767,7 +2767,7 @@ if ('onhashchange' in window) { <span id="L2706" class="LineNr">2706 </span> press ctrl-k <span id="L2707" class="LineNr">2707 </span> ] <span id="L2708" class="LineNr">2708 </span> run [ -<span id="L2709" class="LineNr">2709 </span> editor-event-loop screen, console, e +<span id="L2709" class="LineNr">2709 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2710" class="LineNr">2710 </span> ] <span id="L2711" class="LineNr">2711 </span> <span class="Comment"># cursor deletes nothing</span> <span id="L2712" class="LineNr">2712 </span> screen-should-contain [ @@ -2787,15 +2787,15 @@ if ('onhashchange' in window) { <span id="L2726" class="LineNr">2726 </span> <span class="Comment"># create an editor with the first line wrapping to a second screen row</span> <span id="L2727" class="LineNr">2727 </span> s:text <span class="Special"><-</span> new <span class="Constant">[1234</span> <span id="L2728" class="LineNr">2728 </span><span class="Constant">567]</span> -<span id="L2729" class="LineNr">2729 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L2730" class="LineNr">2730 </span> editor-render screen, e +<span id="L2729" class="LineNr">2729 </span> e:&:editor <span class="Special"><-</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="L2730" class="LineNr">2730 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2731" class="LineNr">2731 </span> $clear-trace <span id="L2732" class="LineNr">2732 </span> <span class="Comment"># delete all of the first wrapped line</span> <span id="L2733" class="LineNr">2733 </span> assume-console [ <span id="L2734" class="LineNr">2734 </span> press ctrl-k <span id="L2735" class="LineNr">2735 </span> ] <span id="L2736" class="LineNr">2736 </span> run [ -<span id="L2737" class="LineNr">2737 </span> editor-event-loop screen, console, e +<span id="L2737" class="LineNr">2737 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2738" class="LineNr">2738 </span> ] <span id="L2739" class="LineNr">2739 </span> <span class="Comment"># screen shows an empty unwrapped first line</span> <span id="L2740" class="LineNr">2740 </span> screen-should-contain [ @@ -2820,8 +2820,8 @@ if ('onhashchange' in window) { <span id="L2759" class="LineNr">2759 </span><span class="Constant">b</span> <span id="L2760" class="LineNr">2760 </span><span class="Constant">c</span> <span id="L2761" class="LineNr">2761 </span><span class="Constant">d]</span> -<span id="L2762" class="LineNr">2762 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2763" class="LineNr">2763 </span> editor-render screen, e +<span id="L2762" class="LineNr">2762 </span> e:&:editor <span class="Special"><-</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="L2763" class="LineNr">2763 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2764" class="LineNr">2764 </span> screen-should-contain [ <span id="L2765" class="LineNr">2765 </span> <span class="Constant"> . .</span> <span id="L2766" class="LineNr">2766 </span> <span class="Constant"> .a .</span> @@ -2834,7 +2834,7 @@ if ('onhashchange' in window) { <span id="L2773" class="LineNr">2773 </span> press down-arrow <span id="L2774" class="LineNr">2774 </span> ] <span id="L2775" class="LineNr">2775 </span> run [ -<span id="L2776" class="LineNr">2776 </span> editor-event-loop screen, console, e +<span id="L2776" class="LineNr">2776 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2777" class="LineNr">2777 </span> ] <span id="L2778" class="LineNr">2778 </span> <span class="Comment"># screen slides by one line</span> <span id="L2779" class="LineNr">2779 </span> screen-should-contain [ @@ -2847,12 +2847,12 @@ if ('onhashchange' in window) { <span id="L2786" class="LineNr">2786 </span> <span id="L2787" class="LineNr">2787 </span><span class="muRecipe">after</span> <span class="Constant"><scroll-down></span> [ <span id="L2788" class="LineNr">2788 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[scroll down]</span> -<span id="L2789" class="LineNr">2789 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L2789" class="LineNr">2789 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L2790" class="LineNr">2790 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L2791" class="LineNr">2791 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L2792" class="LineNr">2792 </span> max:num <span class="Special"><-</span> subtract right, left -<span id="L2793" class="LineNr">2793 </span> old-top:&:duplex-list:char <span class="Special"><-</span> copy top-of-screen -<span id="L2794" class="LineNr">2794 </span> top-of-screen <span class="Special"><-</span> before-start-of-next-line top-of-screen, max +<span id="L2793" class="LineNr">2793 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy top-of-screen +<span id="L2794" class="LineNr">2794 </span> top-of-screen <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2804'>before-start-of-next-line</a> top-of-screen, max <span id="L2795" class="LineNr">2795 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen <span id="L2796" class="LineNr">2796 </span> no-movement?:bool <span class="Special"><-</span> equal old-top, top-of-screen <span id="L2797" class="LineNr">2797 </span> <span class="muControl">return-if</span> no-movement?, <span class="Constant">0/don't-render</span> @@ -2862,17 +2862,17 @@ if ('onhashchange' in window) { <span id="L2801" class="LineNr">2801 </span><span class="Comment"># positions until the next newline.</span> <span id="L2802" class="LineNr">2802 </span><span class="Comment"># Returns original if no next newline.</span> <span id="L2803" class="LineNr">2803 </span><span class="Comment"># Beware: never return null pointer.</span> -<span id="L2804" class="LineNr">2804 </span><span class="muRecipe">def</span> before-start-of-next-line original:&:duplex-list:char, max:num<span class="muRecipe"> -> </span>curr:&:duplex-list:char [ +<span id="L2804" class="LineNr">2804 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2804'>before-start-of-next-line</a> original:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, max:num<span class="muRecipe"> -> </span>curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char [ <span id="L2805" class="LineNr">2805 </span> <span class="Constant">local-scope</span> <span id="L2806" class="LineNr">2806 </span> <span class="Constant">load-inputs</span> <span id="L2807" class="LineNr">2807 </span> count:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L2808" class="LineNr">2808 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy original +<span id="L2808" class="LineNr">2808 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy original <span id="L2809" class="LineNr">2809 </span> <span class="Comment"># skip the initial newline if it exists</span> <span id="L2810" class="LineNr">2810 </span> <span class="Delimiter">{</span> <span id="L2811" class="LineNr">2811 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L2812" class="LineNr">2812 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> <span id="L2813" class="LineNr">2813 </span> <span class="muControl">break-unless</span> at-newline? -<span id="L2814" class="LineNr">2814 </span> curr <span class="Special"><-</span> next curr +<span id="L2814" class="LineNr">2814 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr <span id="L2815" class="LineNr">2815 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> <span id="L2816" class="LineNr">2816 </span> <span class="Delimiter">}</span> <span id="L2817" class="LineNr">2817 </span> <span class="Delimiter">{</span> @@ -2882,7 +2882,7 @@ if ('onhashchange' in window) { <span id="L2821" class="LineNr">2821 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L2822" class="LineNr">2822 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> <span id="L2823" class="LineNr">2823 </span> <span class="muControl">break-if</span> at-newline? -<span id="L2824" class="LineNr">2824 </span> curr <span class="Special"><-</span> next curr +<span id="L2824" class="LineNr">2824 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr <span id="L2825" class="LineNr">2825 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> <span id="L2826" class="LineNr">2826 </span> <span class="muControl"> loop</span> <span id="L2827" class="LineNr">2827 </span> <span class="Delimiter">}</span> @@ -2900,8 +2900,8 @@ if ('onhashchange' in window) { <span id="L2839" class="LineNr">2839 </span><span class="Constant">g</span> <span id="L2840" class="LineNr">2840 </span><span class="Constant">h</span> <span id="L2841" class="LineNr">2841 </span><span class="Constant">i]</span> -<span id="L2842" class="LineNr">2842 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2843" class="LineNr">2843 </span> editor-render screen, e +<span id="L2842" class="LineNr">2842 </span> e:&:editor <span class="Special"><-</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="L2843" class="LineNr">2843 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2844" class="LineNr">2844 </span> screen-should-contain [ <span id="L2845" class="LineNr">2845 </span> <span class="Constant"> . .</span> <span id="L2846" class="LineNr">2846 </span> <span class="Constant"> .abcd↩ .</span> @@ -2914,7 +2914,7 @@ if ('onhashchange' in window) { <span id="L2853" class="LineNr">2853 </span> press down-arrow <span id="L2854" class="LineNr">2854 </span> ] <span id="L2855" class="LineNr">2855 </span> run [ -<span id="L2856" class="LineNr">2856 </span> editor-event-loop screen, console, e +<span id="L2856" class="LineNr">2856 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2857" class="LineNr">2857 </span> ] <span id="L2858" class="LineNr">2858 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L2859" class="LineNr">2859 </span> screen-should-contain [ @@ -2934,14 +2934,14 @@ if ('onhashchange' in window) { <span id="L2873" class="LineNr">2873 </span><span class="Constant">k</span> <span id="L2874" class="LineNr">2874 </span><span class="Constant">l</span> <span id="L2875" class="LineNr">2875 </span><span class="Constant">m]</span> -<span id="L2876" class="LineNr">2876 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2876" class="LineNr">2876 </span> e:&:editor <span class="Special"><-</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="L2877" class="LineNr">2877 </span> <span class="Comment"># position cursor at last line, then try to move further down</span> <span id="L2878" class="LineNr">2878 </span> assume-console [ <span id="L2879" class="LineNr">2879 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> <span id="L2880" class="LineNr">2880 </span> press down-arrow <span id="L2881" class="LineNr">2881 </span> ] <span id="L2882" class="LineNr">2882 </span> run [ -<span id="L2883" class="LineNr">2883 </span> editor-event-loop screen, console, e +<span id="L2883" class="LineNr">2883 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2884" class="LineNr">2884 </span> ] <span id="L2885" class="LineNr">2885 </span> <span class="Comment"># screen shows partial wrapped line containing a wrap icon</span> <span id="L2886" class="LineNr">2886 </span> screen-should-contain [ @@ -2955,7 +2955,7 @@ if ('onhashchange' in window) { <span id="L2894" class="LineNr">2894 </span> press down-arrow <span id="L2895" class="LineNr">2895 </span> ] <span id="L2896" class="LineNr">2896 </span> run [ -<span id="L2897" class="LineNr">2897 </span> editor-event-loop screen, console, e +<span id="L2897" class="LineNr">2897 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2898" class="LineNr">2898 </span> ] <span id="L2899" class="LineNr">2899 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L2900" class="LineNr">2900 </span> screen-should-contain [ @@ -2974,14 +2974,14 @@ if ('onhashchange' in window) { <span id="L2913" class="LineNr">2913 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L2914" class="LineNr">2914 </span><span class="Constant">b</span> <span id="L2915" class="LineNr">2915 </span><span class="Constant">cdef]</span> -<span id="L2916" class="LineNr">2916 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2916" class="LineNr">2916 </span> e:&:editor <span class="Special"><-</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="L2917" class="LineNr">2917 </span> <span class="Comment"># position cursor at end, type a character</span> <span id="L2918" class="LineNr">2918 </span> assume-console [ <span id="L2919" class="LineNr">2919 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span> <span id="L2920" class="LineNr">2920 </span> type <span class="Constant">[g]</span> <span id="L2921" class="LineNr">2921 </span> ] <span id="L2922" class="LineNr">2922 </span> run [ -<span id="L2923" class="LineNr">2923 </span> editor-event-loop screen, console, e +<span id="L2923" class="LineNr">2923 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2924" class="LineNr">2924 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2925" class="LineNr">2925 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2926" class="LineNr">2926 </span> ] @@ -3005,8 +3005,8 @@ if ('onhashchange' in window) { <span id="L2944" class="LineNr">2944 </span> <span class="Comment"># initialize editor with 2 lines</span> <span id="L2945" class="LineNr">2945 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L2946" class="LineNr">2946 </span><span class="Constant">b]</span> -<span id="L2947" class="LineNr">2947 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2948" class="LineNr">2948 </span> editor-render screen, e +<span id="L2947" class="LineNr">2947 </span> e:&:editor <span class="Special"><-</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="L2948" class="LineNr">2948 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L2949" class="LineNr">2949 </span> screen-should-contain [ <span id="L2950" class="LineNr">2950 </span> <span class="Constant"> . .</span> <span id="L2951" class="LineNr">2951 </span> <span class="Constant"> .a .</span> @@ -3019,7 +3019,7 @@ if ('onhashchange' in window) { <span id="L2958" class="LineNr">2958 </span> press down-arrow <span id="L2959" class="LineNr">2959 </span> ] <span id="L2960" class="LineNr">2960 </span> run [ -<span id="L2961" class="LineNr">2961 </span> editor-event-loop screen, console, e +<span id="L2961" class="LineNr">2961 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2962" class="LineNr">2962 </span> ] <span id="L2963" class="LineNr">2963 </span> <span class="Comment"># no change since the bottom border was already visible</span> <span id="L2964" class="LineNr">2964 </span> screen-should-contain [ @@ -3037,14 +3037,14 @@ if ('onhashchange' in window) { <span id="L2976" class="LineNr">2976 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L2977" class="LineNr">2977 </span><span class="Constant">b</span> <span id="L2978" class="LineNr">2978 </span><span class="Constant">c]</span> -<span id="L2979" class="LineNr">2979 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2979" class="LineNr">2979 </span> e:&:editor <span class="Special"><-</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="L2980" class="LineNr">2980 </span> assume-console [ <span id="L2981" class="LineNr">2981 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span> <span id="L2982" class="LineNr">2982 </span> type [ <span id="L2983" class="LineNr">2983 </span>] <span id="L2984" class="LineNr">2984 </span> ] <span id="L2985" class="LineNr">2985 </span> run [ -<span id="L2986" class="LineNr">2986 </span> editor-event-loop screen, console, e +<span id="L2986" class="LineNr">2986 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L2987" class="LineNr">2987 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2988" class="LineNr">2988 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2989" class="LineNr">2989 </span> ] @@ -3069,14 +3069,14 @@ if ('onhashchange' in window) { <span id="L3008" class="LineNr">3008 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3009" class="LineNr">3009 </span><span class="Constant">b</span> <span id="L3010" class="LineNr">3010 </span><span class="Constant">cdefgh]</span> -<span id="L3011" class="LineNr">3011 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3011" class="LineNr">3011 </span> e:&:editor <span class="Special"><-</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="L3012" class="LineNr">3012 </span> <span class="Comment"># position cursor at end of screen and try to move right</span> <span id="L3013" class="LineNr">3013 </span> assume-console [ <span id="L3014" class="LineNr">3014 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> <span id="L3015" class="LineNr">3015 </span> press right-arrow <span id="L3016" class="LineNr">3016 </span> ] <span id="L3017" class="LineNr">3017 </span> run [ -<span id="L3018" class="LineNr">3018 </span> editor-event-loop screen, console, e +<span id="L3018" class="LineNr">3018 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3019" class="LineNr">3019 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L3020" class="LineNr">3020 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3021" class="LineNr">3021 </span> ] @@ -3102,14 +3102,14 @@ if ('onhashchange' in window) { <span id="L3041" class="LineNr">3041 </span><span class="Constant">b</span> <span id="L3042" class="LineNr">3042 </span><span class="Constant">c</span> <span id="L3043" class="LineNr">3043 </span><span class="Constant">d]</span> -<span id="L3044" class="LineNr">3044 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3044" class="LineNr">3044 </span> e:&:editor <span class="Special"><-</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="L3045" class="LineNr">3045 </span> <span class="Comment"># position cursor at end of screen and try to move right</span> <span id="L3046" class="LineNr">3046 </span> assume-console [ <span id="L3047" class="LineNr">3047 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> <span id="L3048" class="LineNr">3048 </span> press right-arrow <span id="L3049" class="LineNr">3049 </span> ] <span id="L3050" class="LineNr">3050 </span> run [ -<span id="L3051" class="LineNr">3051 </span> editor-event-loop screen, console, e +<span id="L3051" class="LineNr">3051 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3052" class="LineNr">3052 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L3053" class="LineNr">3053 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3054" class="LineNr">3054 </span> ] @@ -3131,8 +3131,8 @@ if ('onhashchange' in window) { <span id="L3070" class="LineNr">3070 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L3071" class="LineNr">3071 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L3072" class="LineNr">3072 </span><span class="Constant">de]</span> -<span id="L3073" class="LineNr">3073 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3074" class="LineNr">3074 </span> editor-render screen, e +<span id="L3073" class="LineNr">3073 </span> e:&:editor <span class="Special"><-</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="L3074" class="LineNr">3074 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3075" class="LineNr">3075 </span> $clear-trace <span id="L3076" class="LineNr">3076 </span> <span class="Comment"># try to move down past end of text</span> <span id="L3077" class="LineNr">3077 </span> assume-console [ @@ -3140,7 +3140,7 @@ if ('onhashchange' in window) { <span id="L3079" class="LineNr">3079 </span> press down-arrow <span id="L3080" class="LineNr">3080 </span> ] <span id="L3081" class="LineNr">3081 </span> run [ -<span id="L3082" class="LineNr">3082 </span> editor-event-loop screen, console, e +<span id="L3082" class="LineNr">3082 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3083" class="LineNr">3083 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L3084" class="LineNr">3084 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3085" class="LineNr">3085 </span> ] @@ -3163,16 +3163,16 @@ if ('onhashchange' in window) { <span id="L3102" class="LineNr">3102 </span><span class="Constant">e</span> <span id="L3103" class="LineNr">3103 </span><span class="Constant">f</span> <span id="L3104" class="LineNr">3104 </span><span class="Constant">g]</span> -<span id="L3105" class="LineNr">3105 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3106" class="LineNr">3106 </span> editor-render screen, e +<span id="L3105" class="LineNr">3105 </span> e:&:editor <span class="Special"><-</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="L3106" class="LineNr">3106 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3107" class="LineNr">3107 </span> <span class="Comment"># scroll down one page and one line</span> <span id="L3108" class="LineNr">3108 </span> assume-console [ -<span id="L3109" class="LineNr">3109 </span> press page-down +<span id="L3109" class="LineNr">3109 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3110" class="LineNr">3110 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> <span id="L3111" class="LineNr">3111 </span> press down-arrow <span id="L3112" class="LineNr">3112 </span> ] <span id="L3113" class="LineNr">3113 </span> run [ -<span id="L3114" class="LineNr">3114 </span> editor-event-loop screen, console, e +<span id="L3114" class="LineNr">3114 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3115" class="LineNr">3115 </span> ] <span id="L3116" class="LineNr">3116 </span> <span class="Comment"># screen scrolls down 3 lines</span> <span id="L3117" class="LineNr">3117 </span> screen-should-contain [ @@ -3194,8 +3194,8 @@ if ('onhashchange' in window) { <span id="L3133" class="LineNr">3133 </span><span class="Constant">b</span> <span id="L3134" class="LineNr">3134 </span><span class="Constant">c</span> <span id="L3135" class="LineNr">3135 </span><span class="Constant">d]</span> -<span id="L3136" class="LineNr">3136 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3137" class="LineNr">3137 </span> editor-render screen, e +<span id="L3136" class="LineNr">3136 </span> e:&:editor <span class="Special"><-</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="L3137" class="LineNr">3137 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3138" class="LineNr">3138 </span> screen-should-contain [ <span id="L3139" class="LineNr">3139 </span> <span class="Constant"> . .</span> <span id="L3140" class="LineNr">3140 </span> <span class="Constant"> .a .</span> @@ -3204,11 +3204,11 @@ if ('onhashchange' in window) { <span id="L3143" class="LineNr">3143 </span> ] <span id="L3144" class="LineNr">3144 </span> <span class="Comment"># position cursor at top of second page, then try to move up</span> <span id="L3145" class="LineNr">3145 </span> assume-console [ -<span id="L3146" class="LineNr">3146 </span> press page-down +<span id="L3146" class="LineNr">3146 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3147" class="LineNr">3147 </span> press up-arrow <span id="L3148" class="LineNr">3148 </span> ] <span id="L3149" class="LineNr">3149 </span> run [ -<span id="L3150" class="LineNr">3150 </span> editor-event-loop screen, console, e +<span id="L3150" class="LineNr">3150 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3151" class="LineNr">3151 </span> ] <span id="L3152" class="LineNr">3152 </span> <span class="Comment"># screen slides by one line</span> <span id="L3153" class="LineNr">3153 </span> screen-should-contain [ @@ -3221,9 +3221,9 @@ if ('onhashchange' in window) { <span id="L3160" class="LineNr">3160 </span> <span id="L3161" class="LineNr">3161 </span><span class="muRecipe">after</span> <span class="Constant"><scroll-up></span> [ <span id="L3162" class="LineNr">3162 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[scroll up]</span> -<span id="L3163" class="LineNr">3163 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3164" class="LineNr">3164 </span> old-top:&:duplex-list:char <span class="Special"><-</span> copy top-of-screen -<span id="L3165" class="LineNr">3165 </span> top-of-screen <span class="Special"><-</span> before-previous-screen-line top-of-screen, editor +<span id="L3163" class="LineNr">3163 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3164" class="LineNr">3164 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy top-of-screen +<span id="L3165" class="LineNr">3165 </span> top-of-screen <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> top-of-screen, editor <span id="L3166" class="LineNr">3166 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen <span id="L3167" class="LineNr">3167 </span> no-movement?:bool <span class="Special"><-</span> equal old-top, top-of-screen <span id="L3168" class="LineNr">3168 </span> <span class="muControl">return-if</span> no-movement?, <span class="Constant">0/don't-render</span> @@ -3233,10 +3233,10 @@ if ('onhashchange' in window) { <span id="L3172" class="LineNr">3172 </span><span class="Comment"># previous *wrapped* line.</span> <span id="L3173" class="LineNr">3173 </span><span class="Comment"># Returns original if no next newline.</span> <span id="L3174" class="LineNr">3174 </span><span class="Comment"># Beware: never return null pointer.</span> -<span id="L3175" class="LineNr">3175 </span><span class="muRecipe">def</span> before-previous-screen-line in:&:duplex-list:char, editor:&:editor<span class="muRecipe"> -> </span>out:&:duplex-list:char [ +<span id="L3175" class="LineNr">3175 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> in:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor<span class="muRecipe"> -> </span>out:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char [ <span id="L3176" class="LineNr">3176 </span> <span class="Constant">local-scope</span> <span id="L3177" class="LineNr">3177 </span> <span class="Constant">load-inputs</span> -<span id="L3178" class="LineNr">3178 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy in +<span id="L3178" class="LineNr">3178 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy in <span id="L3179" class="LineNr">3179 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L3180" class="LineNr">3180 </span> <span class="Comment"># compute max, number of characters to skip</span> <span id="L3181" class="LineNr">3181 </span> <span class="Comment"># 1 + len%(width-1)</span> @@ -3244,14 +3244,14 @@ if ('onhashchange' in window) { <span id="L3183" class="LineNr">3183 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L3184" class="LineNr">3184 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L3185" class="LineNr">3185 </span> max-line-length:num <span class="Special"><-</span> subtract right, left, <span class="Constant">-1/exclusive-right</span>, <span class="Constant">1/wrap-icon</span> -<span id="L3186" class="LineNr">3186 </span> sentinel:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L3187" class="LineNr">3187 </span> len:num <span class="Special"><-</span> previous-line-length curr, sentinel +<span id="L3186" class="LineNr">3186 </span> sentinel:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L3187" class="LineNr">3187 </span> len:num <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L219'>previous-line-length</a> curr, sentinel <span id="L3188" class="LineNr">3188 </span> <span class="Delimiter">{</span> <span id="L3189" class="LineNr">3189 </span> <span class="muControl">break-if</span> len <span id="L3190" class="LineNr">3190 </span> <span class="Comment"># empty line; just skip this newline</span> -<span id="L3191" class="LineNr">3191 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev curr -<span id="L3192" class="LineNr">3192 </span> <span class="muControl">return-unless</span> prev, curr -<span id="L3193" class="LineNr">3193 </span> <span class="muControl"> return</span> prev +<span id="L3191" class="LineNr">3191 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr +<span id="L3192" class="LineNr">3192 </span> <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a>, curr +<span id="L3193" class="LineNr">3193 </span> <span class="muControl"> return</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span id="L3194" class="LineNr">3194 </span> <span class="Delimiter">}</span> <span id="L3195" class="LineNr">3195 </span> _, max:num <span class="Special"><-</span> divide-with-remainder len, max-line-length <span id="L3196" class="LineNr">3196 </span> <span class="Comment"># remainder 0 => scan one width-worth</span> @@ -3265,9 +3265,9 @@ if ('onhashchange' in window) { <span id="L3204" class="LineNr">3204 </span> <span class="Delimiter">{</span> <span id="L3205" class="LineNr">3205 </span> done?:bool <span class="Special"><-</span> greater-or-equal count, max <span id="L3206" class="LineNr">3206 </span> <span class="muControl">break-if</span> done? -<span id="L3207" class="LineNr">3207 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev curr -<span id="L3208" class="LineNr">3208 </span> <span class="muControl">break-unless</span> prev -<span id="L3209" class="LineNr">3209 </span> curr <span class="Special"><-</span> copy prev +<span id="L3207" class="LineNr">3207 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr +<span id="L3208" class="LineNr">3208 </span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a> +<span id="L3209" class="LineNr">3209 </span> curr <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> <span id="L3210" class="LineNr">3210 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> <span id="L3211" class="LineNr">3211 </span> <span class="muControl"> loop</span> <span id="L3212" class="LineNr">3212 </span> <span class="Delimiter">}</span> @@ -3284,8 +3284,8 @@ if ('onhashchange' in window) { <span id="L3223" class="LineNr">3223 </span><span class="Constant">g</span> <span id="L3224" class="LineNr">3224 </span><span class="Constant">h</span> <span id="L3225" class="LineNr">3225 </span><span class="Constant">i]</span> -<span id="L3226" class="LineNr">3226 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3227" class="LineNr">3227 </span> editor-render screen, e +<span id="L3226" class="LineNr">3226 </span> e:&:editor <span class="Special"><-</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="L3227" class="LineNr">3227 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3228" class="LineNr">3228 </span> screen-should-contain [ <span id="L3229" class="LineNr">3229 </span> <span class="Constant"> . .</span> <span id="L3230" class="LineNr">3230 </span> <span class="Constant"> .abcd↩ .</span> @@ -3294,10 +3294,10 @@ if ('onhashchange' in window) { <span id="L3233" class="LineNr">3233 </span> ] <span id="L3234" class="LineNr">3234 </span> <span class="Comment"># position cursor at top of second page, just below wrapped line</span> <span id="L3235" class="LineNr">3235 </span> assume-console [ -<span id="L3236" class="LineNr">3236 </span> press page-down +<span id="L3236" class="LineNr">3236 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3237" class="LineNr">3237 </span> ] <span id="L3238" class="LineNr">3238 </span> run [ -<span id="L3239" class="LineNr">3239 </span> editor-event-loop screen, console, e +<span id="L3239" class="LineNr">3239 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3240" class="LineNr">3240 </span> ] <span id="L3241" class="LineNr">3241 </span> screen-should-contain [ <span id="L3242" class="LineNr">3242 </span> <span class="Constant"> . .</span> @@ -3310,7 +3310,7 @@ if ('onhashchange' in window) { <span id="L3249" class="LineNr">3249 </span> press up-arrow <span id="L3250" class="LineNr">3250 </span> ] <span id="L3251" class="LineNr">3251 </span> run [ -<span id="L3252" class="LineNr">3252 </span> editor-event-loop screen, console, e +<span id="L3252" class="LineNr">3252 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3253" class="LineNr">3253 </span> ] <span id="L3254" class="LineNr">3254 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3255" class="LineNr">3255 </span> screen-should-contain [ @@ -3330,14 +3330,14 @@ if ('onhashchange' in window) { <span id="L3269" class="LineNr">3269 </span><span class="Constant">k</span> <span id="L3270" class="LineNr">3270 </span><span class="Constant">l</span> <span id="L3271" class="LineNr">3271 </span><span class="Constant">m]</span> -<span id="L3272" class="LineNr">3272 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3273" class="LineNr">3273 </span> editor-render screen, e +<span id="L3272" class="LineNr">3272 </span> e:&:editor <span class="Special"><-</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="L3273" class="LineNr">3273 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3274" class="LineNr">3274 </span> <span class="Comment"># position cursor at top of second page</span> <span id="L3275" class="LineNr">3275 </span> assume-console [ -<span id="L3276" class="LineNr">3276 </span> press page-down +<span id="L3276" class="LineNr">3276 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3277" class="LineNr">3277 </span> ] <span id="L3278" class="LineNr">3278 </span> run [ -<span id="L3279" class="LineNr">3279 </span> editor-event-loop screen, console, e +<span id="L3279" class="LineNr">3279 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3280" class="LineNr">3280 </span> ] <span id="L3281" class="LineNr">3281 </span> screen-should-contain [ <span id="L3282" class="LineNr">3282 </span> <span class="Constant"> . .</span> @@ -3351,7 +3351,7 @@ if ('onhashchange' in window) { <span id="L3290" class="LineNr">3290 </span> press up-arrow <span id="L3291" class="LineNr">3291 </span> ] <span id="L3292" class="LineNr">3292 </span> run [ -<span id="L3293" class="LineNr">3293 </span> editor-event-loop screen, console, e +<span id="L3293" class="LineNr">3293 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3294" class="LineNr">3294 </span> ] <span id="L3295" class="LineNr">3295 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3296" class="LineNr">3296 </span> screen-should-contain [ @@ -3366,7 +3366,7 @@ if ('onhashchange' in window) { <span id="L3305" class="LineNr">3305 </span> press up-arrow <span id="L3306" class="LineNr">3306 </span> ] <span id="L3307" class="LineNr">3307 </span> run [ -<span id="L3308" class="LineNr">3308 </span> editor-event-loop screen, console, e +<span id="L3308" class="LineNr">3308 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3309" class="LineNr">3309 </span> ] <span id="L3310" class="LineNr">3310 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3311" class="LineNr">3311 </span> screen-should-contain [ @@ -3381,7 +3381,7 @@ if ('onhashchange' in window) { <span id="L3320" class="LineNr">3320 </span> press up-arrow <span id="L3321" class="LineNr">3321 </span> ] <span id="L3322" class="LineNr">3322 </span> run [ -<span id="L3323" class="LineNr">3323 </span> editor-event-loop screen, console, e +<span id="L3323" class="LineNr">3323 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3324" class="LineNr">3324 </span> ] <span id="L3325" class="LineNr">3325 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3326" class="LineNr">3326 </span> screen-should-contain [ @@ -3405,8 +3405,8 @@ if ('onhashchange' in window) { <span id="L3344" class="LineNr">3344 </span><span class="Constant">g</span> <span id="L3345" class="LineNr">3345 </span><span class="Constant">h</span> <span id="L3346" class="LineNr">3346 </span><span class="Constant">i]</span> -<span id="L3347" class="LineNr">3347 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span> -<span id="L3348" class="LineNr">3348 </span> editor-render screen, e +<span id="L3347" class="LineNr">3347 </span> e:&:editor <span class="Special"><-</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="L3348" class="LineNr">3348 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3349" class="LineNr">3349 </span> screen-should-contain [ <span id="L3350" class="LineNr">3350 </span> <span class="Constant"> . .</span> <span id="L3351" class="LineNr">3351 </span> <span class="Constant"> .abcde↩ .</span> @@ -3415,10 +3415,10 @@ if ('onhashchange' in window) { <span id="L3354" class="LineNr">3354 </span> ] <span id="L3355" class="LineNr">3355 </span> <span class="Comment"># position cursor at top of second page, just below wrapped line</span> <span id="L3356" class="LineNr">3356 </span> assume-console [ -<span id="L3357" class="LineNr">3357 </span> press page-down +<span id="L3357" class="LineNr">3357 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3358" class="LineNr">3358 </span> ] <span id="L3359" class="LineNr">3359 </span> run [ -<span id="L3360" class="LineNr">3360 </span> editor-event-loop screen, console, e +<span id="L3360" class="LineNr">3360 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3361" class="LineNr">3361 </span> ] <span id="L3362" class="LineNr">3362 </span> screen-should-contain [ <span id="L3363" class="LineNr">3363 </span> <span class="Constant"> . .</span> @@ -3431,7 +3431,7 @@ if ('onhashchange' in window) { <span id="L3370" class="LineNr">3370 </span> press up-arrow <span id="L3371" class="LineNr">3371 </span> ] <span id="L3372" class="LineNr">3372 </span> run [ -<span id="L3373" class="LineNr">3373 </span> editor-event-loop screen, console, e +<span id="L3373" class="LineNr">3373 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3374" class="LineNr">3374 </span> ] <span id="L3375" class="LineNr">3375 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3376" class="LineNr">3376 </span> screen-should-contain [ @@ -3453,13 +3453,13 @@ if ('onhashchange' in window) { <span id="L3392" class="LineNr">3392 </span>c <span id="L3393" class="LineNr">3393 </span>d <span id="L3394" class="LineNr">3394 </span>e] -<span id="L3395" class="LineNr">3395 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span> -<span id="L3396" class="LineNr">3396 </span> editor-render screen, e +<span id="L3395" class="LineNr">3395 </span> e:&:editor <span class="Special"><-</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="L3396" class="LineNr">3396 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3397" class="LineNr">3397 </span> assume-console [ -<span id="L3398" class="LineNr">3398 </span> press page-down +<span id="L3398" class="LineNr">3398 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3399" class="LineNr">3399 </span> ] <span id="L3400" class="LineNr">3400 </span> run [ -<span id="L3401" class="LineNr">3401 </span> editor-event-loop screen, console, e +<span id="L3401" class="LineNr">3401 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3402" class="LineNr">3402 </span> ] <span id="L3403" class="LineNr">3403 </span> screen-should-contain [ <span id="L3404" class="LineNr">3404 </span> <span class="Constant"> . .</span> @@ -3468,10 +3468,10 @@ if ('onhashchange' in window) { <span id="L3407" class="LineNr">3407 </span> <span class="Constant"> .d .</span> <span id="L3408" class="LineNr">3408 </span> ] <span id="L3409" class="LineNr">3409 </span> assume-console [ -<span id="L3410" class="LineNr">3410 </span> press page-down +<span id="L3410" class="LineNr">3410 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3411" class="LineNr">3411 </span> ] <span id="L3412" class="LineNr">3412 </span> run [ -<span id="L3413" class="LineNr">3413 </span> editor-event-loop screen, console, e +<span id="L3413" class="LineNr">3413 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3414" class="LineNr">3414 </span> ] <span id="L3415" class="LineNr">3415 </span> screen-should-contain [ <span id="L3416" class="LineNr">3416 </span> <span class="Constant"> . .</span> @@ -3480,10 +3480,10 @@ if ('onhashchange' in window) { <span id="L3419" class="LineNr">3419 </span> <span class="Constant"> .╌╌╌╌╌╌ .</span> <span id="L3420" class="LineNr">3420 </span> ] <span id="L3421" class="LineNr">3421 </span> assume-console [ -<span id="L3422" class="LineNr">3422 </span> press page-up +<span id="L3422" class="LineNr">3422 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L3423" class="LineNr">3423 </span> ] <span id="L3424" class="LineNr">3424 </span> run [ -<span id="L3425" class="LineNr">3425 </span> editor-event-loop screen, console, e +<span id="L3425" class="LineNr">3425 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3426" class="LineNr">3426 </span> ] <span id="L3427" class="LineNr">3427 </span> screen-should-contain [ <span id="L3428" class="LineNr">3428 </span> <span class="Constant"> . .</span> @@ -3503,14 +3503,14 @@ if ('onhashchange' in window) { <span id="L3442" class="LineNr">3442 </span><span class="Constant">c</span> <span id="L3443" class="LineNr">3443 </span><span class="Constant">d</span> <span id="L3444" class="LineNr">3444 </span><span class="Constant">e]</span> -<span id="L3445" class="LineNr">3445 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3446" class="LineNr">3446 </span> editor-render screen, e +<span id="L3445" class="LineNr">3445 </span> e:&:editor <span class="Special"><-</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="L3446" class="LineNr">3446 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3447" class="LineNr">3447 </span> <span class="Comment"># position cursor at top of second page</span> <span id="L3448" class="LineNr">3448 </span> assume-console [ -<span id="L3449" class="LineNr">3449 </span> press page-down +<span id="L3449" class="LineNr">3449 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3450" class="LineNr">3450 </span> ] <span id="L3451" class="LineNr">3451 </span> run [ -<span id="L3452" class="LineNr">3452 </span> editor-event-loop screen, console, e +<span id="L3452" class="LineNr">3452 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3453" class="LineNr">3453 </span> ] <span id="L3454" class="LineNr">3454 </span> screen-should-contain [ <span id="L3455" class="LineNr">3455 </span> <span class="Constant"> . .</span> @@ -3523,7 +3523,7 @@ if ('onhashchange' in window) { <span id="L3462" class="LineNr">3462 </span> press left-arrow <span id="L3463" class="LineNr">3463 </span> ] <span id="L3464" class="LineNr">3464 </span> run [ -<span id="L3465" class="LineNr">3465 </span> editor-event-loop screen, console, e +<span id="L3465" class="LineNr">3465 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3466" class="LineNr">3466 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L3467" class="LineNr">3467 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3468" class="LineNr">3468 </span> ] @@ -3549,8 +3549,8 @@ if ('onhashchange' in window) { <span id="L3488" class="LineNr">3488 </span><span class="Constant">b</span> <span id="L3489" class="LineNr">3489 </span><span class="Constant">c</span> <span id="L3490" class="LineNr">3490 </span><span class="Constant">d]</span> -<span id="L3491" class="LineNr">3491 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3492" class="LineNr">3492 </span> editor-render screen, e +<span id="L3491" class="LineNr">3491 </span> e:&:editor <span class="Special"><-</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="L3492" class="LineNr">3492 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3493" class="LineNr">3493 </span> screen-should-contain [ <span id="L3494" class="LineNr">3494 </span> <span class="Constant"> . .</span> <span id="L3495" class="LineNr">3495 </span> <span class="Constant"> .a .</span> @@ -3560,12 +3560,12 @@ if ('onhashchange' in window) { <span id="L3499" class="LineNr">3499 </span> <span class="Comment"># position cursor at top of second page, then try to move up to start of</span> <span id="L3500" class="LineNr">3500 </span> <span class="Comment"># text</span> <span id="L3501" class="LineNr">3501 </span> assume-console [ -<span id="L3502" class="LineNr">3502 </span> press page-down +<span id="L3502" class="LineNr">3502 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3503" class="LineNr">3503 </span> press up-arrow <span id="L3504" class="LineNr">3504 </span> press up-arrow <span id="L3505" class="LineNr">3505 </span> ] <span id="L3506" class="LineNr">3506 </span> run [ -<span id="L3507" class="LineNr">3507 </span> editor-event-loop screen, console, e +<span id="L3507" class="LineNr">3507 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3508" class="LineNr">3508 </span> ] <span id="L3509" class="LineNr">3509 </span> <span class="Comment"># screen slides by one line</span> <span id="L3510" class="LineNr">3510 </span> screen-should-contain [ @@ -3579,7 +3579,7 @@ if ('onhashchange' in window) { <span id="L3518" class="LineNr">3518 </span> press up-arrow <span id="L3519" class="LineNr">3519 </span> ] <span id="L3520" class="LineNr">3520 </span> run [ -<span id="L3521" class="LineNr">3521 </span> editor-event-loop screen, console, e +<span id="L3521" class="LineNr">3521 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3522" class="LineNr">3522 </span> ] <span id="L3523" class="LineNr">3523 </span> <span class="Comment"># screen remains unchanged</span> <span id="L3524" class="LineNr">3524 </span> screen-should-contain [ @@ -3599,8 +3599,8 @@ if ('onhashchange' in window) { <span id="L3538" class="LineNr">3538 </span><span class="Constant">b</span> <span id="L3539" class="LineNr">3539 </span><span class="Constant">c</span> <span id="L3540" class="LineNr">3540 </span><span class="Constant">d]</span> -<span id="L3541" class="LineNr">3541 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3542" class="LineNr">3542 </span> editor-render screen, e +<span id="L3541" class="LineNr">3541 </span> e:&:editor <span class="Special"><-</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="L3542" class="LineNr">3542 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3543" class="LineNr">3543 </span> screen-should-contain [ <span id="L3544" class="LineNr">3544 </span> <span class="Constant"> . .</span> <span id="L3545" class="LineNr">3545 </span> <span class="Constant"> .a .</span> @@ -3609,10 +3609,10 @@ if ('onhashchange' in window) { <span id="L3548" class="LineNr">3548 </span> ] <span id="L3549" class="LineNr">3549 </span> <span class="Comment"># scroll down</span> <span id="L3550" class="LineNr">3550 </span> assume-console [ -<span id="L3551" class="LineNr">3551 </span> press page-down +<span id="L3551" class="LineNr">3551 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3552" class="LineNr">3552 </span> ] <span id="L3553" class="LineNr">3553 </span> run [ -<span id="L3554" class="LineNr">3554 </span> editor-event-loop screen, console, e +<span id="L3554" class="LineNr">3554 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3555" class="LineNr">3555 </span> ] <span id="L3556" class="LineNr">3556 </span> <span class="Comment"># screen shows next page</span> <span id="L3557" class="LineNr">3557 </span> screen-should-contain [ @@ -3623,31 +3623,31 @@ if ('onhashchange' in window) { <span id="L3562" class="LineNr">3562 </span> ] <span id="L3563" class="LineNr">3563 </span>] <span id="L3564" class="LineNr">3564 </span> -<span id="L3565" class="LineNr">3565 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L3565" class="LineNr">3565 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L3566" class="LineNr">3566 </span> <span class="Delimiter">{</span> <span id="L3567" class="LineNr">3567 </span> page-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">6/ctrl-f</span> <span id="L3568" class="LineNr">3568 </span> <span class="muControl">break-unless</span> page-down? -<span id="L3569" class="LineNr">3569 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3569" class="LineNr">3569 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3570" class="LineNr">3570 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L3571" class="LineNr">3571 </span> page-down editor +<span id="L3571" class="LineNr">3571 </span> <a href='003-shortcuts.mu.html#L3597'>page-down</a> editor <span id="L3572" class="LineNr">3572 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L3573" class="LineNr">3573 </span><span class="Constant"> <end-move-cursor></span> -<span id="L3574" class="LineNr">3574 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3574" class="LineNr">3574 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3575" class="LineNr">3575 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top <span id="L3576" class="LineNr">3576 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3577" class="LineNr">3577 </span> <span class="Delimiter">}</span> <span id="L3578" class="LineNr">3578 </span>] <span id="L3579" class="LineNr">3579 </span> -<span id="L3580" class="LineNr">3580 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L3580" class="LineNr">3580 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L3581" class="LineNr">3581 </span> <span class="Delimiter">{</span> <span id="L3582" class="LineNr">3582 </span> page-down?:bool <span class="Special"><-</span> equal k, <span class="Constant">65518/page-down</span> <span id="L3583" class="LineNr">3583 </span> <span class="muControl">break-unless</span> page-down? -<span id="L3584" class="LineNr">3584 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3584" class="LineNr">3584 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3585" class="LineNr">3585 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L3586" class="LineNr">3586 </span> page-down editor +<span id="L3586" class="LineNr">3586 </span> <a href='003-shortcuts.mu.html#L3597'>page-down</a> editor <span id="L3587" class="LineNr">3587 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L3588" class="LineNr">3588 </span><span class="Constant"> <end-move-cursor></span> -<span id="L3589" class="LineNr">3589 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3589" class="LineNr">3589 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3590" class="LineNr">3590 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top <span id="L3591" class="LineNr">3591 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3592" class="LineNr">3592 </span> <span class="Delimiter">}</span> @@ -3655,32 +3655,32 @@ if ('onhashchange' in window) { <span id="L3594" class="LineNr">3594 </span> <span id="L3595" class="LineNr">3595 </span><span class="Comment"># page-down skips entire wrapped lines, so it can't scroll past lines</span> <span id="L3596" class="LineNr">3596 </span><span class="Comment"># taking up the entire screen</span> -<span id="L3597" class="LineNr">3597 </span><span class="muRecipe">def</span> page-down editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L3597" class="LineNr">3597 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3597'>page-down</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L3598" class="LineNr">3598 </span> <span class="Constant">local-scope</span> <span id="L3599" class="LineNr">3599 </span> <span class="Constant">load-inputs</span> <span id="L3600" class="LineNr">3600 </span> <span class="Comment"># if editor contents don't overflow screen, do nothing</span> -<span id="L3601" class="LineNr">3601 </span> bottom-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">bottom-of-screen:offset</span> +<span id="L3601" class="LineNr">3601 </span> bottom-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">bottom-of-screen:offset</span> <span id="L3602" class="LineNr">3602 </span> <span class="muControl">return-unless</span> bottom-of-screen <span id="L3603" class="LineNr">3603 </span> <span class="Comment"># if not, position cursor at final character</span> -<span id="L3604" class="LineNr">3604 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L3605" class="LineNr">3605 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> prev bottom-of-screen +<span id="L3604" class="LineNr">3604 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L3605" class="LineNr">3605 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> bottom-of-screen <span id="L3606" class="LineNr">3606 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L3607" class="LineNr">3607 </span> <span class="Comment"># keep one line in common with previous page</span> <span id="L3608" class="LineNr">3608 </span> <span class="Delimiter">{</span> -<span id="L3609" class="LineNr">3609 </span> last:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> -<span id="L3610" class="LineNr">3610 </span> newline?:bool <span class="Special"><-</span> equal last, <span class="Constant">10/newline</span> +<span id="L3609" class="LineNr">3609 </span> <a href='../065duplex_list.mu.html#L572'>last</a>:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> +<span id="L3610" class="LineNr">3610 </span> newline?:bool <span class="Special"><-</span> equal <a href='../065duplex_list.mu.html#L572'>last</a>, <span class="Constant">10/newline</span> <span id="L3611" class="LineNr">3611 </span> <span class="muControl">break-unless</span> newline?:bool -<span id="L3612" class="LineNr">3612 </span> before-cursor <span class="Special"><-</span> prev before-cursor +<span id="L3612" class="LineNr">3612 </span> before-cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor <span id="L3613" class="LineNr">3613 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L3614" class="LineNr">3614 </span> <span class="Delimiter">}</span> <span id="L3615" class="LineNr">3615 </span> <span class="Comment"># move cursor and top-of-screen to start of that line</span> -<span id="L3616" class="LineNr">3616 </span> move-to-start-of-line editor +<span id="L3616" class="LineNr">3616 </span> <a href='003-shortcuts.mu.html#L3622'>move-to-start-of-line</a> editor <span id="L3617" class="LineNr">3617 </span> before-cursor <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L3618" class="LineNr">3618 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, before-cursor <span id="L3619" class="LineNr">3619 </span>] <span id="L3620" class="LineNr">3620 </span> <span id="L3621" class="LineNr">3621 </span><span class="Comment"># jump to previous newline</span> -<span id="L3622" class="LineNr">3622 </span><span class="muRecipe">def</span> move-to-start-of-line editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L3622" class="LineNr">3622 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3622'>move-to-start-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L3623" class="LineNr">3623 </span> <span class="Constant">local-scope</span> <span id="L3624" class="LineNr">3624 </span> <span class="Constant">load-inputs</span> <span id="L3625" class="LineNr">3625 </span> <span class="Comment"># update cursor column</span> @@ -3688,16 +3688,16 @@ if ('onhashchange' in window) { <span id="L3627" class="LineNr">3627 </span> cursor-column:num <span class="Special"><-</span> copy left <span id="L3628" class="LineNr">3628 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column <span id="L3629" class="LineNr">3629 </span> <span class="Comment"># update before-cursor</span> -<span id="L3630" class="LineNr">3630 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L3631" class="LineNr">3631 </span> init:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L3630" class="LineNr">3630 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L3631" class="LineNr">3631 </span> init:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> <span id="L3632" class="LineNr">3632 </span> <span class="Comment"># while not at start of line, move</span> <span id="L3633" class="LineNr">3633 </span> <span class="Delimiter">{</span> <span id="L3634" class="LineNr">3634 </span> at-start-of-text?:bool <span class="Special"><-</span> equal before-cursor, init <span id="L3635" class="LineNr">3635 </span> <span class="muControl">break-if</span> at-start-of-text? -<span id="L3636" class="LineNr">3636 </span> prev:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> -<span id="L3637" class="LineNr">3637 </span> at-start-of-line?:bool <span class="Special"><-</span> equal prev, <span class="Constant">10/newline</span> +<span id="L3636" class="LineNr">3636 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> +<span id="L3637" class="LineNr">3637 </span> at-start-of-line?:bool <span class="Special"><-</span> equal <a href='../065duplex_list.mu.html#L32'>prev</a>, <span class="Constant">10/newline</span> <span id="L3638" class="LineNr">3638 </span> <span class="muControl">break-if</span> at-start-of-line? -<span id="L3639" class="LineNr">3639 </span> before-cursor <span class="Special"><-</span> prev before-cursor +<span id="L3639" class="LineNr">3639 </span> before-cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor <span id="L3640" class="LineNr">3640 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L3641" class="LineNr">3641 </span> assert before-cursor, <span class="Constant">[move-to-start-of-line tried to move before start of text]</span> <span id="L3642" class="LineNr">3642 </span> <span class="muControl"> loop</span> @@ -3709,8 +3709,8 @@ if ('onhashchange' in window) { <span id="L3648" class="LineNr">3648 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">4/height</span> <span id="L3649" class="LineNr">3649 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3650" class="LineNr">3650 </span><span class="Constant">b]</span> -<span id="L3651" class="LineNr">3651 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3652" class="LineNr">3652 </span> editor-render screen, e +<span id="L3651" class="LineNr">3651 </span> e:&:editor <span class="Special"><-</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="L3652" class="LineNr">3652 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3653" class="LineNr">3653 </span> screen-should-contain [ <span id="L3654" class="LineNr">3654 </span> <span class="Constant"> . .</span> <span id="L3655" class="LineNr">3655 </span> <span class="Constant"> .a .</span> @@ -3719,10 +3719,10 @@ if ('onhashchange' in window) { <span id="L3658" class="LineNr">3658 </span> ] <span id="L3659" class="LineNr">3659 </span> <span class="Comment"># scroll down</span> <span id="L3660" class="LineNr">3660 </span> assume-console [ -<span id="L3661" class="LineNr">3661 </span> press page-down +<span id="L3661" class="LineNr">3661 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3662" class="LineNr">3662 </span> ] <span id="L3663" class="LineNr">3663 </span> run [ -<span id="L3664" class="LineNr">3664 </span> editor-event-loop screen, console, e +<span id="L3664" class="LineNr">3664 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3665" class="LineNr">3665 </span> ] <span id="L3666" class="LineNr">3666 </span> <span class="Comment"># screen remains unmodified</span> <span id="L3667" class="LineNr">3667 </span> screen-should-contain [ @@ -3742,8 +3742,8 @@ if ('onhashchange' in window) { <span id="L3681" class="LineNr">3681 </span><span class="Constant">b</span> <span id="L3682" class="LineNr">3682 </span><span class="Constant">cdefgh]</span> <span id="L3683" class="LineNr">3683 </span> <span class="Comment"># editor screen triggers wrap of last line</span> -<span id="L3684" class="LineNr">3684 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3685" class="LineNr">3685 </span> editor-render screen, e +<span id="L3684" class="LineNr">3684 </span> e:&:editor <span class="Special"><-</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="L3685" class="LineNr">3685 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3686" class="LineNr">3686 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3687" class="LineNr">3687 </span> screen-should-contain [ <span id="L3688" class="LineNr">3688 </span> <span class="Constant"> . .</span> @@ -3753,10 +3753,10 @@ if ('onhashchange' in window) { <span id="L3692" class="LineNr">3692 </span> ] <span id="L3693" class="LineNr">3693 </span> <span class="Comment"># scroll down</span> <span id="L3694" class="LineNr">3694 </span> assume-console [ -<span id="L3695" class="LineNr">3695 </span> press page-down +<span id="L3695" class="LineNr">3695 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3696" class="LineNr">3696 </span> ] <span id="L3697" class="LineNr">3697 </span> run [ -<span id="L3698" class="LineNr">3698 </span> editor-event-loop screen, console, e +<span id="L3698" class="LineNr">3698 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3699" class="LineNr">3699 </span> ] <span id="L3700" class="LineNr">3700 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3701" class="LineNr">3701 </span> screen-should-contain [ @@ -3775,8 +3775,8 @@ if ('onhashchange' in window) { <span id="L3714" class="LineNr">3714 </span> <span class="Comment"># and still has something left over</span> <span id="L3715" class="LineNr">3715 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3716" class="LineNr">3716 </span><span class="Constant">bcdefgh]</span> -<span id="L3717" class="LineNr">3717 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3718" class="LineNr">3718 </span> editor-render screen, e +<span id="L3717" class="LineNr">3717 </span> e:&:editor <span class="Special"><-</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="L3718" class="LineNr">3718 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3719" class="LineNr">3719 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3720" class="LineNr">3720 </span> screen-should-contain [ <span id="L3721" class="LineNr">3721 </span> <span class="Constant"> . .</span> @@ -3786,10 +3786,10 @@ if ('onhashchange' in window) { <span id="L3725" class="LineNr">3725 </span> ] <span id="L3726" class="LineNr">3726 </span> <span class="Comment"># scroll down</span> <span id="L3727" class="LineNr">3727 </span> assume-console [ -<span id="L3728" class="LineNr">3728 </span> press page-down +<span id="L3728" class="LineNr">3728 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3729" class="LineNr">3729 </span> ] <span id="L3730" class="LineNr">3730 </span> run [ -<span id="L3731" class="LineNr">3731 </span> editor-event-loop screen, console, e +<span id="L3731" class="LineNr">3731 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3732" class="LineNr">3732 </span> ] <span id="L3733" class="LineNr">3733 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3734" class="LineNr">3734 </span> screen-should-contain [ @@ -3809,8 +3809,8 @@ if ('onhashchange' in window) { <span id="L3748" class="LineNr">3748 </span><span class="Constant">b</span> <span id="L3749" class="LineNr">3749 </span><span class="Constant">c</span> <span id="L3750" class="LineNr">3750 </span><span class="Constant">d]</span> -<span id="L3751" class="LineNr">3751 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3752" class="LineNr">3752 </span> editor-render screen, e +<span id="L3751" class="LineNr">3751 </span> e:&:editor <span class="Special"><-</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="L3752" class="LineNr">3752 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3753" class="LineNr">3753 </span> screen-should-contain [ <span id="L3754" class="LineNr">3754 </span> <span class="Constant"> . .</span> <span id="L3755" class="LineNr">3755 </span> <span class="Constant"> .a .</span> @@ -3819,10 +3819,10 @@ if ('onhashchange' in window) { <span id="L3758" class="LineNr">3758 </span> ] <span id="L3759" class="LineNr">3759 </span> <span class="Comment"># scroll down</span> <span id="L3760" class="LineNr">3760 </span> assume-console [ -<span id="L3761" class="LineNr">3761 </span> press page-down +<span id="L3761" class="LineNr">3761 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3762" class="LineNr">3762 </span> ] <span id="L3763" class="LineNr">3763 </span> run [ -<span id="L3764" class="LineNr">3764 </span> editor-event-loop screen, console, e +<span id="L3764" class="LineNr">3764 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3765" class="LineNr">3765 </span> ] <span id="L3766" class="LineNr">3766 </span> <span class="Comment"># screen shows next page</span> <span id="L3767" class="LineNr">3767 </span> screen-should-contain [ @@ -3833,10 +3833,10 @@ if ('onhashchange' in window) { <span id="L3772" class="LineNr">3772 </span> ] <span id="L3773" class="LineNr">3773 </span> <span class="Comment"># scroll back up</span> <span id="L3774" class="LineNr">3774 </span> assume-console [ -<span id="L3775" class="LineNr">3775 </span> press page-up +<span id="L3775" class="LineNr">3775 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L3776" class="LineNr">3776 </span> ] <span id="L3777" class="LineNr">3777 </span> run [ -<span id="L3778" class="LineNr">3778 </span> editor-event-loop screen, console, e +<span id="L3778" class="LineNr">3778 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3779" class="LineNr">3779 </span> ] <span id="L3780" class="LineNr">3780 </span> <span class="Comment"># screen shows original page again</span> <span id="L3781" class="LineNr">3781 </span> screen-should-contain [ @@ -3847,49 +3847,49 @@ if ('onhashchange' in window) { <span id="L3786" class="LineNr">3786 </span> ] <span id="L3787" class="LineNr">3787 </span>] <span id="L3788" class="LineNr">3788 </span> -<span id="L3789" class="LineNr">3789 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L3789" class="LineNr">3789 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L3790" class="LineNr">3790 </span> <span class="Delimiter">{</span> <span id="L3791" class="LineNr">3791 </span> page-up?:bool <span class="Special"><-</span> equal c, <span class="Constant">2/ctrl-b</span> <span id="L3792" class="LineNr">3792 </span> <span class="muControl">break-unless</span> page-up? -<span id="L3793" class="LineNr">3793 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3793" class="LineNr">3793 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3794" class="LineNr">3794 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L3795" class="LineNr">3795 </span> editor <span class="Special"><-</span> page-up editor, screen-height +<span id="L3795" class="LineNr">3795 </span> editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3820'>page-up</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> <span id="L3796" class="LineNr">3796 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L3797" class="LineNr">3797 </span><span class="Constant"> <end-move-cursor></span> -<span id="L3798" class="LineNr">3798 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3798" class="LineNr">3798 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3799" class="LineNr">3799 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top <span id="L3800" class="LineNr">3800 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3801" class="LineNr">3801 </span> <span class="Delimiter">}</span> <span id="L3802" class="LineNr">3802 </span>] <span id="L3803" class="LineNr">3803 </span> -<span id="L3804" class="LineNr">3804 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ +<span id="L3804" class="LineNr">3804 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ <span id="L3805" class="LineNr">3805 </span> <span class="Delimiter">{</span> <span id="L3806" class="LineNr">3806 </span> page-up?:bool <span class="Special"><-</span> equal k, <span class="Constant">65519/page-up</span> <span id="L3807" class="LineNr">3807 </span> <span class="muControl">break-unless</span> page-up? -<span id="L3808" class="LineNr">3808 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3808" class="LineNr">3808 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3809" class="LineNr">3809 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L3810" class="LineNr">3810 </span> editor <span class="Special"><-</span> page-up editor, screen-height +<span id="L3810" class="LineNr">3810 </span> editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3820'>page-up</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> <span id="L3811" class="LineNr">3811 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L3812" class="LineNr">3812 </span><span class="Constant"> <end-move-cursor></span> -<span id="L3813" class="LineNr">3813 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3813" class="LineNr">3813 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3814" class="LineNr">3814 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top <span id="L3815" class="LineNr">3815 </span> <span class="Comment"># don't bother re-rendering if nothing changed. todo: test this</span> <span id="L3816" class="LineNr">3816 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3817" class="LineNr">3817 </span> <span class="Delimiter">}</span> <span id="L3818" class="LineNr">3818 </span>] <span id="L3819" class="LineNr">3819 </span> -<span id="L3820" class="LineNr">3820 </span><span class="muRecipe">def</span> page-up editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L3820" class="LineNr">3820 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3820'>page-up</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L3821" class="LineNr">3821 </span> <span class="Constant">local-scope</span> <span id="L3822" class="LineNr">3822 </span> <span class="Constant">load-inputs</span> -<span id="L3823" class="LineNr">3823 </span> max:num <span class="Special"><-</span> subtract screen-height, <span class="Constant">1/menu-bar</span>, <span class="Constant">1/overlapping-line</span> +<span id="L3823" class="LineNr">3823 </span> max:num <span class="Special"><-</span> subtract <a href='../081print.mu.html#L782'>screen-height</a>, <span class="Constant">1/menu-bar</span>, <span class="Constant">1/overlapping-line</span> <span id="L3824" class="LineNr">3824 </span> count:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L3825" class="LineNr">3825 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3825" class="LineNr">3825 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3826" class="LineNr">3826 </span> <span class="Delimiter">{</span> <span id="L3827" class="LineNr">3827 </span> done?:bool <span class="Special"><-</span> greater-or-equal count, max <span id="L3828" class="LineNr">3828 </span> <span class="muControl">break-if</span> done? -<span id="L3829" class="LineNr">3829 </span> prev:&:duplex-list:char <span class="Special"><-</span> before-previous-screen-line top-of-screen, editor -<span id="L3830" class="LineNr">3830 </span> <span class="muControl">break-unless</span> prev -<span id="L3831" class="LineNr">3831 </span> top-of-screen <span class="Special"><-</span> copy prev +<span id="L3829" class="LineNr">3829 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> top-of-screen, editor +<span id="L3830" class="LineNr">3830 </span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a> +<span id="L3831" class="LineNr">3831 </span> top-of-screen <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> <span id="L3832" class="LineNr">3832 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen <span id="L3833" class="LineNr">3833 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> <span id="L3834" class="LineNr">3834 </span> <span class="muControl"> loop</span> @@ -3909,8 +3909,8 @@ if ('onhashchange' in window) { <span id="L3848" class="LineNr">3848 </span><span class="Constant">f</span> <span id="L3849" class="LineNr">3849 </span><span class="Constant">g</span> <span id="L3850" class="LineNr">3850 </span><span class="Constant">h]</span> -<span id="L3851" class="LineNr">3851 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3852" class="LineNr">3852 </span> editor-render screen, e +<span id="L3851" class="LineNr">3851 </span> e:&:editor <span class="Special"><-</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="L3852" class="LineNr">3852 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3853" class="LineNr">3853 </span> screen-should-contain [ <span id="L3854" class="LineNr">3854 </span> <span class="Constant"> . .</span> <span id="L3855" class="LineNr">3855 </span> <span class="Constant"> .a .</span> @@ -3919,11 +3919,11 @@ if ('onhashchange' in window) { <span id="L3858" class="LineNr">3858 </span> ] <span id="L3859" class="LineNr">3859 </span> <span class="Comment"># scroll down two pages</span> <span id="L3860" class="LineNr">3860 </span> assume-console [ -<span id="L3861" class="LineNr">3861 </span> press page-down -<span id="L3862" class="LineNr">3862 </span> press page-down +<span id="L3861" class="LineNr">3861 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3862" class="LineNr">3862 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3863" class="LineNr">3863 </span> ] <span id="L3864" class="LineNr">3864 </span> run [ -<span id="L3865" class="LineNr">3865 </span> editor-event-loop screen, console, e +<span id="L3865" class="LineNr">3865 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3866" class="LineNr">3866 </span> ] <span id="L3867" class="LineNr">3867 </span> <span class="Comment"># screen shows third page</span> <span id="L3868" class="LineNr">3868 </span> screen-should-contain [ @@ -3934,10 +3934,10 @@ if ('onhashchange' in window) { <span id="L3873" class="LineNr">3873 </span> ] <span id="L3874" class="LineNr">3874 </span> <span class="Comment"># scroll up</span> <span id="L3875" class="LineNr">3875 </span> assume-console [ -<span id="L3876" class="LineNr">3876 </span> press page-up +<span id="L3876" class="LineNr">3876 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L3877" class="LineNr">3877 </span> ] <span id="L3878" class="LineNr">3878 </span> run [ -<span id="L3879" class="LineNr">3879 </span> editor-event-loop screen, console, e +<span id="L3879" class="LineNr">3879 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3880" class="LineNr">3880 </span> ] <span id="L3881" class="LineNr">3881 </span> <span class="Comment"># screen shows second page</span> <span id="L3882" class="LineNr">3882 </span> screen-should-contain [ @@ -3948,10 +3948,10 @@ if ('onhashchange' in window) { <span id="L3887" class="LineNr">3887 </span> ] <span id="L3888" class="LineNr">3888 </span> <span class="Comment"># scroll up again</span> <span id="L3889" class="LineNr">3889 </span> assume-console [ -<span id="L3890" class="LineNr">3890 </span> press page-up +<span id="L3890" class="LineNr">3890 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L3891" class="LineNr">3891 </span> ] <span id="L3892" class="LineNr">3892 </span> run [ -<span id="L3893" class="LineNr">3893 </span> editor-event-loop screen, console, e +<span id="L3893" class="LineNr">3893 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3894" class="LineNr">3894 </span> ] <span id="L3895" class="LineNr">3895 </span> <span class="Comment"># screen shows original page again</span> <span id="L3896" class="LineNr">3896 </span> screen-should-contain [ @@ -3978,8 +3978,8 @@ if ('onhashchange' in window) { <span id="L3917" class="LineNr">3917 </span><span class="Constant">n</span> <span id="L3918" class="LineNr">3918 </span><span class="Constant">o]</span> <span id="L3919" class="LineNr">3919 </span> <span class="Comment"># editor screen triggers wrap of last line</span> -<span id="L3920" class="LineNr">3920 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3921" class="LineNr">3921 </span> editor-render screen, e +<span id="L3920" class="LineNr">3920 </span> e:&:editor <span class="Special"><-</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="L3921" class="LineNr">3921 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3922" class="LineNr">3922 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3923" class="LineNr">3923 </span> screen-should-contain [ <span id="L3924" class="LineNr">3924 </span> <span class="Constant"> . .</span> @@ -3991,12 +3991,12 @@ if ('onhashchange' in window) { <span id="L3930" class="LineNr">3930 </span> ] <span id="L3931" class="LineNr">3931 </span> <span class="Comment"># scroll down a page and a line</span> <span id="L3932" class="LineNr">3932 </span> assume-console [ -<span id="L3933" class="LineNr">3933 </span> press page-down +<span id="L3933" class="LineNr">3933 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3934" class="LineNr">3934 </span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 0</span> <span id="L3935" class="LineNr">3935 </span> press down-arrow <span id="L3936" class="LineNr">3936 </span> ] <span id="L3937" class="LineNr">3937 </span> run [ -<span id="L3938" class="LineNr">3938 </span> editor-event-loop screen, console, e +<span id="L3938" class="LineNr">3938 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3939" class="LineNr">3939 </span> ] <span id="L3940" class="LineNr">3940 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3941" class="LineNr">3941 </span> screen-should-contain [ @@ -4009,10 +4009,10 @@ if ('onhashchange' in window) { <span id="L3948" class="LineNr">3948 </span> ] <span id="L3949" class="LineNr">3949 </span> <span class="Comment"># now scroll up one page</span> <span id="L3950" class="LineNr">3950 </span> assume-console [ -<span id="L3951" class="LineNr">3951 </span> press page-up +<span id="L3951" class="LineNr">3951 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L3952" class="LineNr">3952 </span> ] <span id="L3953" class="LineNr">3953 </span> run [ -<span id="L3954" class="LineNr">3954 </span> editor-event-loop screen, console, e +<span id="L3954" class="LineNr">3954 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3955" class="LineNr">3955 </span> ] <span id="L3956" class="LineNr">3956 </span> <span class="Comment"># screen resets</span> <span id="L3957" class="LineNr">3957 </span> screen-should-contain [ @@ -4033,8 +4033,8 @@ if ('onhashchange' in window) { <span id="L3972" class="LineNr">3972 </span> <span class="Comment"># and still has something left over</span> <span id="L3973" class="LineNr">3973 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3974" class="LineNr">3974 </span><span class="Constant">bcdefgh]</span> -<span id="L3975" class="LineNr">3975 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3976" class="LineNr">3976 </span> editor-render screen, e +<span id="L3975" class="LineNr">3975 </span> e:&:editor <span class="Special"><-</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="L3976" class="LineNr">3976 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L3977" class="LineNr">3977 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3978" class="LineNr">3978 </span> screen-should-contain [ <span id="L3979" class="LineNr">3979 </span> <span class="Constant"> . .</span> @@ -4044,10 +4044,10 @@ if ('onhashchange' in window) { <span id="L3983" class="LineNr">3983 </span> ] <span id="L3984" class="LineNr">3984 </span> <span class="Comment"># scroll down</span> <span id="L3985" class="LineNr">3985 </span> assume-console [ -<span id="L3986" class="LineNr">3986 </span> press page-down +<span id="L3986" class="LineNr">3986 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L3987" class="LineNr">3987 </span> ] <span id="L3988" class="LineNr">3988 </span> run [ -<span id="L3989" class="LineNr">3989 </span> editor-event-loop screen, console, e +<span id="L3989" class="LineNr">3989 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L3990" class="LineNr">3990 </span> ] <span id="L3991" class="LineNr">3991 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3992" class="LineNr">3992 </span> screen-should-contain [ @@ -4058,10 +4058,10 @@ if ('onhashchange' in window) { <span id="L3997" class="LineNr">3997 </span> ] <span id="L3998" class="LineNr">3998 </span> <span class="Comment"># scroll back up</span> <span id="L3999" class="LineNr">3999 </span> assume-console [ -<span id="L4000" class="LineNr">4000 </span> press page-up +<span id="L4000" class="LineNr">4000 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L4001" class="LineNr">4001 </span> ] <span id="L4002" class="LineNr">4002 </span> run [ -<span id="L4003" class="LineNr">4003 </span> editor-event-loop screen, console, e +<span id="L4003" class="LineNr">4003 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4004" class="LineNr">4004 </span> ] <span id="L4005" class="LineNr">4005 </span> <span class="Comment"># screen resets</span> <span id="L4006" class="LineNr">4006 </span> screen-should-contain [ @@ -4085,8 +4085,8 @@ if ('onhashchange' in window) { <span id="L4024" class="LineNr">4024 </span><span class="Constant">gxx</span> <span id="L4025" class="LineNr">4025 </span><span class="Constant">hxx</span> <span id="L4026" class="LineNr">4026 </span><span class="Constant">]</span> -<span id="L4027" class="LineNr">4027 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L4028" class="LineNr">4028 </span> editor-render screen, e +<span id="L4027" class="LineNr">4027 </span> e:&:editor <span class="Special"><-</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="L4028" class="LineNr">4028 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L4029" class="LineNr">4029 </span> screen-should-contain [ <span id="L4030" class="LineNr">4030 </span> <span class="Constant"> . .</span> <span id="L4031" class="LineNr">4031 </span> <span class="Constant"> .axx .</span> @@ -4094,10 +4094,10 @@ if ('onhashchange' in window) { <span id="L4033" class="LineNr">4033 </span> <span class="Constant"> .cxx .</span> <span id="L4034" class="LineNr">4034 </span> ] <span id="L4035" class="LineNr">4035 </span> assume-console [ -<span id="L4036" class="LineNr">4036 </span> press page-down +<span id="L4036" class="LineNr">4036 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L4037" class="LineNr">4037 </span> ] <span id="L4038" class="LineNr">4038 </span> run [ -<span id="L4039" class="LineNr">4039 </span> editor-event-loop screen, console, e +<span id="L4039" class="LineNr">4039 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4040" class="LineNr">4040 </span> ] <span id="L4041" class="LineNr">4041 </span> screen-should-contain [ <span id="L4042" class="LineNr">4042 </span> <span class="Constant"> . .</span> @@ -4106,10 +4106,10 @@ if ('onhashchange' in window) { <span id="L4045" class="LineNr">4045 </span> <span class="Constant"> .exx .</span> <span id="L4046" class="LineNr">4046 </span> ] <span id="L4047" class="LineNr">4047 </span> assume-console [ -<span id="L4048" class="LineNr">4048 </span> press page-down +<span id="L4048" class="LineNr">4048 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L4049" class="LineNr">4049 </span> ] <span id="L4050" class="LineNr">4050 </span> run [ -<span id="L4051" class="LineNr">4051 </span> editor-event-loop screen, console, e +<span id="L4051" class="LineNr">4051 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4052" class="LineNr">4052 </span> ] <span id="L4053" class="LineNr">4053 </span> screen-should-contain [ <span id="L4054" class="LineNr">4054 </span> <span class="Constant"> . .</span> @@ -4119,10 +4119,10 @@ if ('onhashchange' in window) { <span id="L4058" class="LineNr">4058 </span> ] <span id="L4059" class="LineNr">4059 </span> <span class="Comment"># scroll back up past empty line</span> <span id="L4060" class="LineNr">4060 </span> assume-console [ -<span id="L4061" class="LineNr">4061 </span> press page-up +<span id="L4061" class="LineNr">4061 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L4062" class="LineNr">4062 </span> ] <span id="L4063" class="LineNr">4063 </span> run [ -<span id="L4064" class="LineNr">4064 </span> editor-event-loop screen, console, e +<span id="L4064" class="LineNr">4064 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4065" class="LineNr">4065 </span> ] <span id="L4066" class="LineNr">4066 </span> screen-should-contain [ <span id="L4067" class="LineNr">4067 </span> <span class="Constant"> . .</span> @@ -4145,8 +4145,8 @@ if ('onhashchange' in window) { <span id="L4084" class="LineNr">4084 </span>fxy <span id="L4085" class="LineNr">4085 </span>gxy <span id="L4086" class="LineNr">4086 </span>] -<span id="L4087" class="LineNr">4087 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L4088" class="LineNr">4088 </span> editor-render screen, e +<span id="L4087" class="LineNr">4087 </span> e:&:editor <span class="Special"><-</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="L4088" class="LineNr">4088 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L4089" class="LineNr">4089 </span> screen-should-contain [ <span id="L4090" class="LineNr">4090 </span> <span class="Constant"> . .</span> <span id="L4091" class="LineNr">4091 </span> <span class="Constant"> .axy .</span> @@ -4154,10 +4154,10 @@ if ('onhashchange' in window) { <span id="L4093" class="LineNr">4093 </span> <span class="Constant"> .cxy .</span> <span id="L4094" class="LineNr">4094 </span> ] <span id="L4095" class="LineNr">4095 </span> assume-console [ -<span id="L4096" class="LineNr">4096 </span> press page-down +<span id="L4096" class="LineNr">4096 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L4097" class="LineNr">4097 </span> ] <span id="L4098" class="LineNr">4098 </span> run [ -<span id="L4099" class="LineNr">4099 </span> editor-event-loop screen, console, e +<span id="L4099" class="LineNr">4099 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4100" class="LineNr">4100 </span> ] <span id="L4101" class="LineNr">4101 </span> screen-should-contain [ <span id="L4102" class="LineNr">4102 </span> <span class="Constant"> . .</span> @@ -4166,10 +4166,10 @@ if ('onhashchange' in window) { <span id="L4105" class="LineNr">4105 </span> <span class="Constant"> .dxy .</span> <span id="L4106" class="LineNr">4106 </span> ] <span id="L4107" class="LineNr">4107 </span> assume-console [ -<span id="L4108" class="LineNr">4108 </span> press page-down +<span id="L4108" class="LineNr">4108 </span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span id="L4109" class="LineNr">4109 </span> ] <span id="L4110" class="LineNr">4110 </span> run [ -<span id="L4111" class="LineNr">4111 </span> editor-event-loop screen, console, e +<span id="L4111" class="LineNr">4111 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4112" class="LineNr">4112 </span> ] <span id="L4113" class="LineNr">4113 </span> screen-should-contain [ <span id="L4114" class="LineNr">4114 </span> <span class="Constant"> . .</span> @@ -4179,10 +4179,10 @@ if ('onhashchange' in window) { <span id="L4118" class="LineNr">4118 </span> ] <span id="L4119" class="LineNr">4119 </span> <span class="Comment"># scroll back up past empty line</span> <span id="L4120" class="LineNr">4120 </span> assume-console [ -<span id="L4121" class="LineNr">4121 </span> press page-up +<span id="L4121" class="LineNr">4121 </span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> <span id="L4122" class="LineNr">4122 </span> ] <span id="L4123" class="LineNr">4123 </span> run [ -<span id="L4124" class="LineNr">4124 </span> editor-event-loop screen, console, e +<span id="L4124" class="LineNr">4124 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4125" class="LineNr">4125 </span> ] <span id="L4126" class="LineNr">4126 </span> screen-should-contain [ <span id="L4127" class="LineNr">4127 </span> <span class="Constant"> . .</span> @@ -4195,26 +4195,26 @@ if ('onhashchange' in window) { <span id="L4134" class="LineNr">4134 </span><span class="Comment"># ctrl-s - scroll up by one line</span> <span id="L4135" class="LineNr">4135 </span><span class="Comment"># todo: scenarios</span> <span id="L4136" class="LineNr">4136 </span> -<span id="L4137" class="LineNr">4137 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L4137" class="LineNr">4137 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L4138" class="LineNr">4138 </span> <span class="Delimiter">{</span> <span id="L4139" class="LineNr">4139 </span> scroll-up?:bool <span class="Special"><-</span> equal c, <span class="Constant">19/ctrl-s</span> <span id="L4140" class="LineNr">4140 </span> <span class="muControl">break-unless</span> scroll-up? <span id="L4141" class="LineNr">4141 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L4142" class="LineNr">4142 </span> go-render?:bool, editor <span class="Special"><-</span> line-up editor, screen-height +<span id="L4142" class="LineNr">4142 </span> go-render?:bool, editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4149'>line-up</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> <span id="L4143" class="LineNr">4143 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">5/line-up</span> <span id="L4144" class="LineNr">4144 </span><span class="Constant"> <end-move-cursor></span> <span id="L4145" class="LineNr">4145 </span> <span class="muControl"> return</span> go-render? <span id="L4146" class="LineNr">4146 </span> <span class="Delimiter">}</span> <span id="L4147" class="LineNr">4147 </span>] <span id="L4148" class="LineNr">4148 </span> -<span id="L4149" class="LineNr">4149 </span><span class="muRecipe">def</span> line-up editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L4149" class="LineNr">4149 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4149'>line-up</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L4150" class="LineNr">4150 </span> <span class="Constant">local-scope</span> <span id="L4151" class="LineNr">4151 </span> <span class="Constant">load-inputs</span> <span id="L4152" class="LineNr">4152 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L4153" class="LineNr">4153 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L4154" class="LineNr">4154 </span> max:num <span class="Special"><-</span> subtract right, left -<span id="L4155" class="LineNr">4155 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L4156" class="LineNr">4156 </span> new-top:&:duplex-list:char <span class="Special"><-</span> before-start-of-next-line old-top, max +<span id="L4155" class="LineNr">4155 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L4156" class="LineNr">4156 </span> new-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2804'>before-start-of-next-line</a> old-top, max <span id="L4157" class="LineNr">4157 </span> movement?:bool <span class="Special"><-</span> not-equal old-top, new-top <span id="L4158" class="LineNr">4158 </span> <span class="Delimiter">{</span> <span id="L4159" class="LineNr">4159 </span> <span class="muControl">break-unless</span> movement? @@ -4226,23 +4226,23 @@ if ('onhashchange' in window) { <span id="L4165" class="LineNr">4165 </span><span class="Comment"># ctrl-x - scroll down by one line</span> <span id="L4166" class="LineNr">4166 </span><span class="Comment"># todo: scenarios</span> <span id="L4167" class="LineNr">4167 </span> -<span id="L4168" class="LineNr">4168 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L4168" class="LineNr">4168 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L4169" class="LineNr">4169 </span> <span class="Delimiter">{</span> <span id="L4170" class="LineNr">4170 </span> scroll-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">24/ctrl-x</span> <span id="L4171" class="LineNr">4171 </span> <span class="muControl">break-unless</span> scroll-down? <span id="L4172" class="LineNr">4172 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L4173" class="LineNr">4173 </span> go-render?:bool, editor <span class="Special"><-</span> line-down editor, screen-height +<span id="L4173" class="LineNr">4173 </span> go-render?:bool, editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4180'>line-down</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> <span id="L4174" class="LineNr">4174 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">6/line-down</span> <span id="L4175" class="LineNr">4175 </span><span class="Constant"> <end-move-cursor></span> <span id="L4176" class="LineNr">4176 </span> <span class="muControl"> return</span> go-render? <span id="L4177" class="LineNr">4177 </span> <span class="Delimiter">}</span> <span id="L4178" class="LineNr">4178 </span>] <span id="L4179" class="LineNr">4179 </span> -<span id="L4180" class="LineNr">4180 </span><span class="muRecipe">def</span> line-down editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L4180" class="LineNr">4180 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4180'>line-down</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L4181" class="LineNr">4181 </span> <span class="Constant">local-scope</span> <span id="L4182" class="LineNr">4182 </span> <span class="Constant">load-inputs</span> -<span id="L4183" class="LineNr">4183 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L4184" class="LineNr">4184 </span> new-top:&:duplex-list:char <span class="Special"><-</span> before-previous-screen-line old-top, editor +<span id="L4183" class="LineNr">4183 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L4184" class="LineNr">4184 </span> new-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> old-top, editor <span id="L4185" class="LineNr">4185 </span> movement?:bool <span class="Special"><-</span> not-equal old-top, new-top <span id="L4186" class="LineNr">4186 </span> <span class="Delimiter">{</span> <span id="L4187" class="LineNr">4187 </span> <span class="muControl">break-unless</span> movement? @@ -4254,15 +4254,15 @@ if ('onhashchange' in window) { <span id="L4193" class="LineNr">4193 </span><span class="Comment"># ctrl-t - move current line to top of screen</span> <span id="L4194" class="LineNr">4194 </span><span class="Comment"># todo: scenarios</span> <span id="L4195" class="LineNr">4195 </span> -<span id="L4196" class="LineNr">4196 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L4196" class="LineNr">4196 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L4197" class="LineNr">4197 </span> <span class="Delimiter">{</span> <span id="L4198" class="LineNr">4198 </span> scroll-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">20/ctrl-t</span> <span id="L4199" class="LineNr">4199 </span> <span class="muControl">break-unless</span> scroll-down? <span id="L4200" class="LineNr">4200 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L4201" class="LineNr">4201 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L4202" class="LineNr">4202 </span> cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L4203" class="LineNr">4203 </span> cursor <span class="Special"><-</span> next cursor -<span id="L4204" class="LineNr">4204 </span> new-top:&:duplex-list:char <span class="Special"><-</span> before-previous-screen-line cursor, editor +<span id="L4201" class="LineNr">4201 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L4202" class="LineNr">4202 </span> cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L4203" class="LineNr">4203 </span> cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> cursor +<span id="L4204" class="LineNr">4204 </span> new-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> cursor, editor <span id="L4205" class="LineNr">4205 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, new-top <span id="L4206" class="LineNr">4206 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>,<span class="Constant"> 1</span> <span id="L4207" class="LineNr">4207 </span> go-render?:bool <span class="Special"><-</span> not-equal new-top, old-top @@ -4274,23 +4274,23 @@ if ('onhashchange' in window) { <span id="L4213" class="LineNr">4213 </span> <span id="L4214" class="LineNr">4214 </span><span class="Comment"># ctrl-/ - comment/uncomment current line</span> <span id="L4215" class="LineNr">4215 </span> -<span id="L4216" class="LineNr">4216 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ +<span id="L4216" class="LineNr">4216 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ <span id="L4217" class="LineNr">4217 </span> <span class="Delimiter">{</span> <span id="L4218" class="LineNr">4218 </span> comment-toggle?:bool <span class="Special"><-</span> equal c, <span class="Constant">31/ctrl-slash</span> <span id="L4219" class="LineNr">4219 </span> <span class="muControl">break-unless</span> comment-toggle? <span id="L4220" class="LineNr">4220 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L4221" class="LineNr">4221 </span> data:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L4221" class="LineNr">4221 </span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> <span id="L4222" class="LineNr">4222 </span><span class="Constant"> <begin-insert-character></span> -<span id="L4223" class="LineNr">4223 </span> before-line-start:&:duplex-list:char <span class="Special"><-</span> before-start-of-screen-line editor -<span id="L4224" class="LineNr">4224 </span> line-start:&:duplex-list:char <span class="Special"><-</span> next before-line-start -<span id="L4225" class="LineNr">4225 </span> commented-out?:bool <span class="Special"><-</span> match line-start, <span class="Constant">[#? ]</span> <span class="Comment"># comment prefix</span> +<span id="L4223" class="LineNr">4223 </span> before-line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4280'>before-start-of-screen-line</a> editor +<span id="L4224" class="LineNr">4224 </span> line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-line-start +<span id="L4225" class="LineNr">4225 </span> commented-out?:bool <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L585'>match</a> line-start, <span class="Constant">[#? ]</span> <span class="Comment"># comment prefix</span> <span id="L4226" class="LineNr">4226 </span> <span class="Delimiter">{</span> <span id="L4227" class="LineNr">4227 </span> <span class="muControl">break-unless</span> commented-out? <span id="L4228" class="LineNr">4228 </span> <span class="Comment"># uncomment</span> <span id="L4229" class="LineNr">4229 </span> data <span class="Special"><-</span> remove line-start, <span class="Constant">3/length-comment-prefix</span>, data <span id="L4230" class="LineNr">4230 </span> cursor-column <span class="Special"><-</span> subtract cursor-column, <span class="Constant">3/length-comment-prefix</span> <span id="L4231" class="LineNr">4231 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L4232" class="LineNr">4232 </span> go-render? <span class="Special"><-</span> render-line-from-start screen, editor, <span class="Constant">3/size-of-comment-leader</span> +<span id="L4232" class="LineNr">4232 </span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4250'>render-line-from-start</a> <a href='../081print.mu.html#L16'>screen</a>, editor, <span class="Constant">3/size-of-comment-leader</span> <span id="L4233" class="LineNr">4233 </span> <span class="Delimiter">}</span> <span id="L4234" class="LineNr">4234 </span> <span class="Delimiter">{</span> <span id="L4235" class="LineNr">4235 </span> <span class="muControl">break-if</span> commented-out? @@ -4298,7 +4298,7 @@ if ('onhashchange' in window) { <span id="L4237" class="LineNr">4237 </span> insert before-line-start, <span class="Constant">[#? ]</span> <span id="L4238" class="LineNr">4238 </span> cursor-column <span class="Special"><-</span> add cursor-column, <span class="Constant">3/length-comment-prefix</span> <span id="L4239" class="LineNr">4239 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L4240" class="LineNr">4240 </span> go-render? <span class="Special"><-</span> render-line-from-start screen, editor,<span class="Constant"> 0</span> +<span id="L4240" class="LineNr">4240 </span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4250'>render-line-from-start</a> <a href='../081print.mu.html#L16'>screen</a>, editor,<span class="Constant"> 0</span> <span id="L4241" class="LineNr">4241 </span> <span class="Delimiter">}</span> <span id="L4242" class="LineNr">4242 </span><span class="Constant"> <end-insert-character></span> <span id="L4243" class="LineNr">4243 </span> <span class="muControl"> return</span> @@ -4308,19 +4308,19 @@ if ('onhashchange' in window) { <span id="L4247" class="LineNr">4247 </span><span class="Comment"># Render just from the start of the current line, and only if it wasn't</span> <span id="L4248" class="LineNr">4248 </span><span class="Comment"># wrapping before (include margin) and isn't wrapping now. Otherwise just tell</span> <span id="L4249" class="LineNr">4249 </span><span class="Comment"># the caller to go-render? the entire screen.</span> -<span id="L4250" class="LineNr">4250 </span><span class="muRecipe">def</span> render-line-from-start screen:&:screen, editor:&:editor, right-margin:num<span class="muRecipe"> -> </span>go-render?:bool, screen:&:screen [ +<span id="L4250" class="LineNr">4250 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4250'>render-line-from-start</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor, right-margin:num<span class="muRecipe"> -> </span>go-render?:bool, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ <span id="L4251" class="LineNr">4251 </span> <span class="Constant">local-scope</span> <span id="L4252" class="LineNr">4252 </span> <span class="Constant">load-inputs</span> -<span id="L4253" class="LineNr">4253 </span> before-line-start:&:duplex-list:char <span class="Special"><-</span> before-start-of-screen-line editor -<span id="L4254" class="LineNr">4254 </span> line-start:&:duplex-list:char <span class="Special"><-</span> next before-line-start +<span id="L4253" class="LineNr">4253 </span> before-line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4280'>before-start-of-screen-line</a> editor +<span id="L4254" class="LineNr">4254 </span> line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-line-start <span id="L4255" class="LineNr">4255 </span> color:num <span class="Special"><-</span> copy <span class="Constant">7/white</span> <span id="L4256" class="LineNr">4256 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L4257" class="LineNr">4257 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L4258" class="LineNr">4258 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, left +<span id="L4258" class="LineNr">4258 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, left <span id="L4259" class="LineNr">4259 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L4260" class="LineNr">4260 </span> end:num <span class="Special"><-</span> subtract right, right-margin <span id="L4261" class="LineNr">4261 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L4262" class="LineNr">4262 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy line-start +<span id="L4262" class="LineNr">4262 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy line-start <span id="L4263" class="LineNr">4263 </span> <span class="Delimiter">{</span> <span id="L4264" class="LineNr">4264 </span> render-all?:bool <span class="Special"><-</span> greater-or-equal i, end <span id="L4265" class="LineNr">4265 </span> <span class="muControl">return-if</span> render-all?, <span class="Constant">1/go-render</span> @@ -4328,39 +4328,39 @@ if ('onhashchange' in window) { <span id="L4267" class="LineNr">4267 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L4268" class="LineNr">4268 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> <span id="L4269" class="LineNr">4269 </span> <span class="muControl">break-if</span> newline? -<span id="L4270" class="LineNr">4270 </span> color <span class="Special"><-</span> get-color color, c -<span id="L4271" class="LineNr">4271 </span> print screen, c, color -<span id="L4272" class="LineNr">4272 </span> curr <span class="Special"><-</span> next curr +<span id="L4270" class="LineNr">4270 </span> color <span class="Special"><-</span> <a href='001-editor.mu.html#L397'>get-color</a> color, c +<span id="L4271" class="LineNr">4271 </span> print <a href='../081print.mu.html#L16'>screen</a>, c, color +<span id="L4272" class="LineNr">4272 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr <span id="L4273" class="LineNr">4273 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> <span id="L4274" class="LineNr">4274 </span> <span class="muControl"> loop</span> <span id="L4275" class="LineNr">4275 </span> <span class="Delimiter">}</span> -<span id="L4276" class="LineNr">4276 </span> clear-line-until screen, right +<span id="L4276" class="LineNr">4276 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right <span id="L4277" class="LineNr">4277 </span> <span class="muControl"> return</span> <span class="Constant">0/dont-render</span> <span id="L4278" class="LineNr">4278 </span>] <span id="L4279" class="LineNr">4279 </span> -<span id="L4280" class="LineNr">4280 </span><span class="muRecipe">def</span> before-start-of-screen-line editor:&:editor<span class="muRecipe"> -> </span>result:&:duplex-list:char [ +<span id="L4280" class="LineNr">4280 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4280'>before-start-of-screen-line</a> editor:&:editor<span class="muRecipe"> -> </span>result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char [ <span id="L4281" class="LineNr">4281 </span> <span class="Constant">local-scope</span> <span id="L4282" class="LineNr">4282 </span> <span class="Constant">load-inputs</span> -<span id="L4283" class="LineNr">4283 </span> cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L4283" class="LineNr">4283 </span> cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L4284" class="LineNr">4284 </span> <span class="Delimiter">{</span> -<span id="L4285" class="LineNr">4285 </span> next:&:duplex-list:char <span class="Special"><-</span> next cursor -<span id="L4286" class="LineNr">4286 </span> <span class="muControl">break-unless</span> next -<span id="L4287" class="LineNr">4287 </span> cursor <span class="Special"><-</span> copy next +<span id="L4285" class="LineNr">4285 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> cursor +<span id="L4286" class="LineNr">4286 </span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> +<span id="L4287" class="LineNr">4287 </span> cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> <span id="L4288" class="LineNr">4288 </span> <span class="Delimiter">}</span> -<span id="L4289" class="LineNr">4289 </span> result <span class="Special"><-</span> before-previous-screen-line cursor, editor +<span id="L4289" class="LineNr">4289 </span> result <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> cursor, editor <span id="L4290" class="LineNr">4290 </span>] <span id="L4291" class="LineNr">4291 </span> <span id="L4292" class="LineNr">4292 </span><span class="muScenario">scenario</span> editor-comments-empty-line [ <span id="L4293" class="LineNr">4293 </span> <span class="Constant">local-scope</span> <span id="L4294" class="LineNr">4294 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L4295" class="LineNr">4295 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L4296" class="LineNr">4296 </span> editor-render screen, e +<span id="L4295" class="LineNr">4295 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L4296" class="LineNr">4296 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L4297" class="LineNr">4297 </span> $clear-trace <span id="L4298" class="LineNr">4298 </span> assume-console [ <span id="L4299" class="LineNr">4299 </span> press ctrl-slash <span id="L4300" class="LineNr">4300 </span> ] <span id="L4301" class="LineNr">4301 </span> run [ -<span id="L4302" class="LineNr">4302 </span> editor-event-loop screen, console, e +<span id="L4302" class="LineNr">4302 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4303" class="LineNr">4303 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L4304" class="LineNr">4304 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4305" class="LineNr">4305 </span> ] @@ -4380,14 +4380,14 @@ if ('onhashchange' in window) { <span id="L4319" class="LineNr">4319 </span><span class="muScenario">scenario</span> editor-comments-at-start-of-contents [ <span id="L4320" class="LineNr">4320 </span> <span class="Constant">local-scope</span> <span id="L4321" class="LineNr">4321 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L4322" class="LineNr">4322 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L4323" class="LineNr">4323 </span> editor-render screen, e +<span id="L4322" class="LineNr">4322 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L4323" class="LineNr">4323 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L4324" class="LineNr">4324 </span> $clear-trace <span id="L4325" class="LineNr">4325 </span> assume-console [ <span id="L4326" class="LineNr">4326 </span> press ctrl-slash <span id="L4327" class="LineNr">4327 </span> ] <span id="L4328" class="LineNr">4328 </span> run [ -<span id="L4329" class="LineNr">4329 </span> editor-event-loop screen, console, e +<span id="L4329" class="LineNr">4329 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4330" class="LineNr">4330 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L4331" class="LineNr">4331 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4332" class="LineNr">4332 </span> ] @@ -4407,15 +4407,15 @@ if ('onhashchange' in window) { <span id="L4346" class="LineNr">4346 </span><span class="muScenario">scenario</span> editor-comments-at-end-of-contents [ <span id="L4347" class="LineNr">4347 </span> <span class="Constant">local-scope</span> <span id="L4348" class="LineNr">4348 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L4349" class="LineNr">4349 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L4350" class="LineNr">4350 </span> editor-render screen, e +<span id="L4349" class="LineNr">4349 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L4350" class="LineNr">4350 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L4351" class="LineNr">4351 </span> $clear-trace <span id="L4352" class="LineNr">4352 </span> assume-console [ <span id="L4353" class="LineNr">4353 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> <span id="L4354" class="LineNr">4354 </span> press ctrl-slash <span id="L4355" class="LineNr">4355 </span> ] <span id="L4356" class="LineNr">4356 </span> run [ -<span id="L4357" class="LineNr">4357 </span> editor-event-loop screen, console, e +<span id="L4357" class="LineNr">4357 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4358" class="LineNr">4358 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L4359" class="LineNr">4359 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4360" class="LineNr">4360 </span> ] @@ -4436,7 +4436,7 @@ if ('onhashchange' in window) { <span id="L4375" class="LineNr">4375 </span> press ctrl-slash <span id="L4376" class="LineNr">4376 </span> ] <span id="L4377" class="LineNr">4377 </span> run [ -<span id="L4378" class="LineNr">4378 </span> editor-event-loop screen, console, e +<span id="L4378" class="LineNr">4378 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4379" class="LineNr">4379 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L4380" class="LineNr">4380 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4381" class="LineNr">4381 </span> ] @@ -4453,8 +4453,8 @@ if ('onhashchange' in window) { <span id="L4392" class="LineNr">4392 </span> <span class="Constant">local-scope</span> <span id="L4393" class="LineNr">4393 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L4394" class="LineNr">4394 </span> <span class="Comment"># editor starts out with a non-wrapping line</span> -<span id="L4395" class="LineNr">4395 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L4396" class="LineNr">4396 </span> editor-render screen, e +<span id="L4395" class="LineNr">4395 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L4396" class="LineNr">4396 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L4397" class="LineNr">4397 </span> screen-should-contain [ <span id="L4398" class="LineNr">4398 </span> <span class="Constant"> . .</span> <span id="L4399" class="LineNr">4399 </span> <span class="Constant"> .abcd .</span> @@ -4468,7 +4468,7 @@ if ('onhashchange' in window) { <span id="L4407" class="LineNr">4407 </span> press ctrl-slash <span id="L4408" class="LineNr">4408 </span> ] <span id="L4409" class="LineNr">4409 </span> run [ -<span id="L4410" class="LineNr">4410 </span> editor-event-loop screen, console, e +<span id="L4410" class="LineNr">4410 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4411" class="LineNr">4411 </span> ] <span id="L4412" class="LineNr">4412 </span> screen-should-contain [ <span id="L4413" class="LineNr">4413 </span> <span class="Constant"> . .</span> @@ -4483,8 +4483,8 @@ if ('onhashchange' in window) { <span id="L4422" class="LineNr">4422 </span> <span class="Constant">local-scope</span> <span id="L4423" class="LineNr">4423 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L4424" class="LineNr">4424 </span> <span class="Comment"># editor starts out with a comment that wraps the line</span> -<span id="L4425" class="LineNr">4425 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[#? ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L4426" class="LineNr">4426 </span> editor-render screen, e +<span id="L4425" class="LineNr">4425 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[#? ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L4426" class="LineNr">4426 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e <span id="L4427" class="LineNr">4427 </span> screen-should-contain [ <span id="L4428" class="LineNr">4428 </span> <span class="Constant"> . .</span> <span id="L4429" class="LineNr">4429 </span> <span class="Constant"> .#? a↩ .</span> @@ -4499,7 +4499,7 @@ if ('onhashchange' in window) { <span id="L4438" class="LineNr">4438 </span> press ctrl-slash <span id="L4439" class="LineNr">4439 </span> ] <span id="L4440" class="LineNr">4440 </span> run [ -<span id="L4441" class="LineNr">4441 </span> editor-event-loop screen, console, e +<span id="L4441" class="LineNr">4441 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e <span id="L4442" class="LineNr">4442 </span> ] <span id="L4443" class="LineNr">4443 </span> screen-should-contain [ <span id="L4444" class="LineNr">4444 </span> <span class="Constant"> . .</span> |