Annotation of html5/spec-author-view/commands.html, revision 1.341
1.333 mike 1: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><!-- when publishing, change bits marked ZZZ --><html class="split chapter" lang="en-US-x-Hixie"><meta content="text/html; charset=ascii" http-equiv="Content-Type"><title>4.11.5 Commands — HTML5 (Edition for Web Authors)</title><meta content="width=device-width;" name="viewport"><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"><link href="whatwg.css" rel="stylesheet"><style type="text/css">
1.1 mike 2: pre { margin-left: 2em; white-space: pre-wrap; }
3: h2 { margin: 3em 0 1em 0; }
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1.25 mike 27: table thead, table tbody { border-bottom: solid; }
1.1 mike 28: table tbody th:first-child { border-left: solid; }
29: table tbody th { text-align: left; }
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32:
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38: .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
39:
40: .toc dfn, h1 dfn, h2 dfn, h3 dfn, h4 dfn, h5 dfn, h6 dfn { font: inherit; }
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44: pre.css { border: solid thin; background: #FFFFEE; color: black; padding: 0.5em 1em; }
45: pre.css:first-line { color: #AAAA50; }
1.18 mike 46: dl.domintro { color: green; margin: 2em 0 2em 2em; padding: 0.5em 1em; border: none; background: #DDFFDD; }
1.1 mike 47: hr + dl.domintro, div.impl + dl.domintro { margin-top: 2.5em; margin-bottom: 1.5em; }
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51: dl.switch { padding-left: 2em; }
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58: .diff-old { text-decoration: line-through; color: silver; background: transparent; }
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60: a .diff-new { border-bottom: 1px blue solid; }
61:
62: h2 { page-break-before: always; }
63: h1, h2, h3, h4, h5, h6 { page-break-after: avoid; }
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65:
1.296 mike 66: p > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]),
67: li > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]), { border-bottom: solid #9999CC; }
1.1 mike 68:
69: div.head { margin: 0 0 1em; padding: 1em 0 0 0; }
70: div.head p { margin: 0; }
71: div.head h1 { margin: 0; }
72: div.head .logo { float: right; margin: 0 1em; }
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76:
77: body > .toc > li { margin-top: 1em; margin-bottom: 1em; }
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83: .brief { margin-top: 1em; margin-bottom: 1em; line-height: 1.1; }
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90: .category-list li:not(:last-child)::after { content: ', '; }
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1.1 mike 118:
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160:
1.14 mike 161: body.dfnEnabled dfn { cursor: pointer; }
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178: .dfnPanel li { list-style-position: inside; }
179:
1.1 mike 180: #configUI { position: absolute; z-index: 20; top: 10em; right: 1em; width: 11em; font-size: small; }
181: #configUI p { margin: 0.5em 0; padding: 0.3em; background: #EEEEEE; color: black; border: inset thin; }
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183: #configUI #updateUI, #configUI .loginUI { text-align: center; }
184: #configUI input[type=button] { display: block; margin: auto; }
1.112 mike 185:
1.311 mike 186: fieldset { margin: 1em; padding: 0.5em 1em; }
187: fieldset > legend + * { margin-top: 0; }
1.283 mike 188: fieldset > :last-child { margin-bottom: 0; }
1.311 mike 189: fieldset p { margin: 0.5em 0; }
190:
191: .stability {
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1.315 mike 210: .stability input {
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219: padding: 0.3em 0.45em 0.2em 0.55em;
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1.311 mike 221: .stability :link, .stability :visited,
222: .stability :link:hover, .stability :visited:hover {
223: background: transparent;
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225: }
1.283 mike 226:
1.1 mike 227: </style><style type="text/css">
228:
229: .applies thead th > * { display: block; }
230: .applies thead code { display: block; }
231: .applies tbody th { whitespace: nowrap; }
232: .applies td { text-align: center; }
233: .applies .yes { background: yellow; }
234:
1.127 mike 235: .matrix, .matrix td { border: hidden; text-align: right; }
1.1 mike 236: .matrix { margin-left: 2em; }
237:
238: .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
239: .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
240: .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
241:
1.203 mike 242: td.eg { border-width: thin; text-align: center; }
243:
1.1 mike 244: #table-example-1 { border: solid thin; border-collapse: collapse; margin-left: 3em; }
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260:
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264: .apple-table-examples tbody th:first-child { border-left: none; width: 100%; }
265: .apple-table-examples thead th:first-child ~ th { font-size: smaller; font-weight: bolder; border-bottom: solid 2px; text-align: center; }
266: .apple-table-examples tbody th::after, .apple-table-examples tfoot th::after { content: leader(". ") }
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268: .apple-table-examples td { text-align: right; vertical-align: top; }
269: .apple-table-examples.e1 tbody tr:last-child td { border-bottom: solid 1px; }
1.9 mike 270: .apple-table-examples.e1 tbody + tbody tr:last-child td { border-bottom: double 3px; }
271: .apple-table-examples.e2 th[scope=row] { padding-left: 1em; }
272: .apple-table-examples sup { line-height: 0; }
273:
1.12 mike 274: .details-example img { vertical-align: top; }
275:
1.21 mike 276: #named-character-references-table {
1.247 mike 277: white-space: nowrap;
1.21 mike 278: font-size: 0.6em;
1.247 mike 279: column-width: 30em;
1.21 mike 280: column-gap: 1em;
1.247 mike 281: -moz-column-width: 30em;
1.21 mike 282: -moz-column-gap: 1em;
1.247 mike 283: -webkit-column-width: 30em;
1.21 mike 284: -webkit-column-gap: 1em;
285: }
1.247 mike 286: #named-character-references-table > table > tbody > tr > td:first-child + td,
1.21 mike 287: #named-character-references-table > table > tbody > tr > td:last-child { text-align: center; }
288: #named-character-references-table > table > tbody > tr > td:last-child:hover > span { position: absolute; top: auto; left: auto; margin-left: 0.5em; line-height: 1.2; font-size: 5em; border: outset; padding: 0.25em 0.5em; background: white; width: 1.25em; height: auto; text-align: center; }
1.247 mike 289: #named-character-references-table > table > tbody > tr#entity-CounterClockwiseContourIntegral > td:first-child { font-size: 0.5em; }
1.21 mike 290:
1.26 mike 291: .glyph.control { color: red; }
292:
1.29 mike 293: @font-face {
294: font-family: 'Essays1743';
295: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743.ttf');
296: }
297: @font-face {
298: font-family: 'Essays1743';
299: font-weight: bold;
300: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-Bold.ttf');
301: }
302: @font-face {
303: font-family: 'Essays1743';
304: font-style: italic;
305: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-Italic.ttf');
306: }
307: @font-face {
308: font-family: 'Essays1743';
309: font-style: italic;
310: font-weight: bold;
311: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-BoldItalic.ttf');
312: }
313:
1.20 mike 314: </style><link href="data:text/css," id="complete" rel="stylesheet" title="Complete specification"><link href="data:text/css,.impl%20%7B%20display:%20none;%20%7D%0Ahtml%20%7B%20border:%20solid%20yellow;%20%7D%20.domintro:before%20%7B%20display:%20none;%20%7D" id="author" rel="alternate stylesheet" title="Author documentation only"><link href="data:text/css,.impl%20%7B%20background:%20%23FFEEEE;%20%7D%20.domintro:before%20%7B%20background:%20%23FFEEEE;%20%7D" id="highlight" rel="alternate stylesheet" title="Highlight implementation requirements"><script type="text/javascript">
1.148 mike 315: function getCookie(name) {
316: var params = location.search.substr(1).split("&");
317: for (var index = 0; index < params.length; index++) {
318: if (params[index] == name)
319: return "1";
320: var data = params[index].split("=");
321: if (data[0] == name)
322: return unescape(data[1]);
1.9 mike 323: }
1.148 mike 324: var cookies = document.cookie.split("; ");
325: for (var index = 0; index < cookies.length; index++) {
326: var data = cookies[index].split("=");
327: if (data[0] == name)
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1.9 mike 329: }
1.148 mike 330: return null;
331: }
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339: return;
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344: load('toc.js');
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347: document.getElementsByTagName('h2')[0].textContent += '; load: ' + (new Date() - loadTimer) + 'ms';
348: fixBrokenLink();
349: }
1.311 mike 350: </script><link href="http://www.w3.org/StyleSheets/TR/W3C-WD" rel="stylesheet" type="text/css"><link href="style.css" rel="stylesheet"><script src="link-fixup.js"></script><link href="interactive-elements.html" rel="prev" title="4.11 Interactive elements">
1.151 mike 351: <link href="Overview.html#contents" rel="index" title="Table of contents">
1.292 mike 352: <link href="links.html" rel="next" title="4.12 Links">
1.151 mike 353: <body onload="fixBrokenLink(); init()"><div class="head" id="head">
1.9 mike 354: <p><a href="http://www.w3.org/"><img alt="W3C" height="48" src="http://www.w3.org/Icons/w3c_home" width="72"></a></p>
1.27 mike 355:
1.341 ! mike 356: <h1>HTML5 <span class="edition">Edition for Web Authors</span> <span class="rcsrevision">revision 1.4579</span></h1>
1.9 mike 357: </div><div>
1.310 mike 358: <a href="interactive-elements.html">← 4.11 Interactive elements</a> –
1.151 mike 359: <a href="Overview.html#contents">Table of contents</a> –
1.310 mike 360: <a href="links.html">4.12 Links →</a>
1.15 mike 361: </div>
1.9 mike 362:
1.292 mike 363: <h4 id="commands"><span class="secno">4.11.5 </span>Commands</h4><p>A <dfn id="concept-command" title="concept-command">command</dfn> is the abstraction
1.9 mike 364: behind menu items, buttons, and links.<!--v2COMMAND: Once a command
365: is defined, other parts of the interface can refer to the same
366: command, allowing many access points to a single feature to share
1.151 mike 367: aspects such as the disabled state.--><p id="facets">Commands are defined to have the following
368: <dfn id="concept-facet" title="concept-facet">facets</dfn>:<dl><dt><dfn id="command-facet-type" title="command-facet-Type">Type</dfn></dt>
1.9 mike 369:
370: <dd>The kind of command: "command", meaning it is a normal command;
371: "radio", meaning that triggering the command will, amongst other
1.147 mike 372: things, set the <a href="#command-facet-checkedstate" id="command-facet-checkedstate-2" title="command-facet-CheckedState">Checked
1.9 mike 373: State</a> to true (and probably uncheck some other commands); or
374: "checkbox", meaning that triggering the command will, amongst other
1.147 mike 375: things, toggle the value of the <a href="#command-facet-checkedstate" id="command-facet-checkedstate-3" title="command-facet-CheckedState">Checked State</a>.</dd>
1.9 mike 376:
377: <dt><dfn id="command-facet-id" title="command-facet-ID">ID</dfn></dt>
378:
379: <dd>The name of the command, for referring to the command from the
380: markup or from script. If a command has no ID, it is an
381: <dfn id="anonymous-command">anonymous command</dfn>.</dd>
382:
383: <dt><dfn id="command-facet-label" title="command-facet-Label">Label</dfn></dt>
384:
385: <dd>The name of the command as seen by the user.</dd>
386:
387: <dt><dfn id="command-facet-hint" title="command-facet-Hint">Hint</dfn></dt>
388:
389: <dd>A helpful or descriptive string that can be shown to the
390: user.</dd>
391:
392: <dt><dfn id="command-facet-icon" title="command-facet-Icon">Icon</dfn></dt>
393:
1.147 mike 394: <dd>An <a href="urls.html#absolute-url" id="absolute-url-6">absolute URL</a> identifying a graphical image that
1.9 mike 395: represents the action. A command might not have an Icon.</dd> <!--
396: changing base URLs might change the icon -->
397:
398: <dt><dfn id="command-facet-accesskey" title="command-facet-AccessKey">Access Key</dfn></dt>
399:
400: <dd>A key combination selected by the user agent that triggers the
401: command. A command might not have an Access Key.</dd>
402:
403: <dt><dfn id="command-facet-hiddenstate" title="command-facet-HiddenState">Hidden State</dfn></dt>
404:
405: <dd>Whether the command is hidden or not (basically, whether it
406: should be shown in menus).</dd>
407:
408: <dt><dfn id="command-facet-disabledstate" title="command-facet-DisabledState">Disabled State</dfn></dt>
409:
410: <dd>Whether the command is relevant and can be triggered or not.</dd>
411:
412: <dt><dfn id="command-facet-checkedstate" title="command-facet-CheckedState">Checked State</dfn></dt>
413:
414: <dd>Whether the command is checked or not.</dd>
415:
416: <dt><dfn id="command-facet-action" title="command-facet-Action">Action</dfn></dt>
417:
418: <dd>The actual effect that triggering the command will have. This
1.329 mike 419: could be a scripted event handler, a <a href="urls.html#url" id="url-14">URL</a> to which to
1.153 mike 420: <a class="full-spec-link" href="http://dev.w3.org/html5/spec/history.html#navigate" title='Read about this "navigate" reference in the full HTML5 spec.'>navigate</a>, or a form submission.</dd>
1.9 mike 421:
422: <!-- v2COMMAND
423: <dt><dfn title="command-facet-Triggers">Triggers</dfn></dt>
424:
425: <dd>The list of elements that can trigger the command. The element
426: defining a command is always in the list of elements that can
427: trigger the command. For anonymous commands, only the element
428: defining the command is on the list, since other elements have no
429: way to refer to it.</dd>
430: -->
431:
432: </dl><p>These facets are exposed on elements using the <dfn id="command-api">command
1.153 mike 433: API</dfn>:<dl class="domintro"><dt><var title="">element</var> . <code title="dom-command-ro-commandType"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/commands.html#dom-command-ro-commandtype" title='Read about this "commandType" reference in the full HTML5 spec.'>commandType</a></code></dt>
1.9 mike 434:
435: <dd>
436:
1.147 mike 437: <p>Exposes the <a href="#command-facet-type" id="command-facet-type-3" title="command-facet-Type">Type</a> facet of the command.</p>
1.9 mike 438:
439: </dd>
440:
1.153 mike 441: <dt><var title="">element</var> . <code title="dom-id"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/elements.html#dom-id" title='Read about this "id" reference in the full HTML5 spec.'>id</a></code></dt>
1.9 mike 442:
443: <dd>
444:
1.147 mike 445: <p>Exposes the <a href="#command-facet-id" id="command-facet-id-0" title="command-facet-ID">ID</a> facet of the command.</p>
1.9 mike 446:
447: </dd>
448:
1.153 mike 449: <dt><var title="">element</var> . <code title="dom-command-ro-label"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/commands.html#dom-command-ro-label" title='Read about this "label" reference in the full HTML5 spec.'>label</a></code></dt>
1.9 mike 450:
451: <dd>
452:
1.147 mike 453: <p>Exposes the <a href="#command-facet-label" id="command-facet-label-0" title="command-facet-Label">Label</a> facet of the command.</p>
1.9 mike 454:
455: </dd>
456:
1.153 mike 457: <dt><var title="">element</var> . <code title="dom-title"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/elements.html#dom-title" title='Read about this "title" reference in the full HTML5 spec.'>title</a></code></dt>
1.11 mike 458:
459: <dd>
460:
1.147 mike 461: <p>Exposes the <a href="#command-facet-hint" id="command-facet-hint-0" title="command-facet-Hint">Hint</a> facet of the command.</p>
1.11 mike 462:
463: </dd>
464:
1.153 mike 465: <dt><var title="">element</var> . <code title="dom-command-ro-icon"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/commands.html#dom-command-ro-icon" title='Read about this "icon" reference in the full HTML5 spec.'>icon</a></code></dt>
1.11 mike 466:
467: <dd>
468:
1.147 mike 469: <p>Exposes the <a href="#command-facet-icon" id="command-facet-icon-0" title="command-facet-Icon">Icon</a> facet of the command.</p>
1.11 mike 470:
471: </dd>
472:
1.153 mike 473: <dt><var title="">element</var> . <code title="dom-accessKeyLabel"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/editing.html#dom-accesskeylabel" title='Read about this "accessKeyLabel" reference in the full HTML5 spec.'>accessKeyLabel</a></code></dt>
1.11 mike 474:
475: <dd>
476:
1.147 mike 477: <p>Exposes the <a href="#command-facet-accesskey" id="command-facet-accesskey-0" title="command-facet-AccessKey">Access Key</a> facet of the command.</p>
1.11 mike 478:
479: </dd>
480:
1.153 mike 481: <dt><var title="">element</var> . <code title="dom-hidden"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/editing.html#dom-hidden" title='Read about this "hidden" reference in the full HTML5 spec.'>hidden</a></code></dt>
1.11 mike 482:
483: <dd>
484:
1.224 mike 485: <p>Exposes the state of the element's <code title="attr-hidden"><a href="editing.html#the-hidden-attribute" id="hidden-3">hidden</a></code> attribute, which is generally
1.193 mike 486: equivalent to the <a href="#command-facet-hiddenstate" id="command-facet-hiddenstate-0" title="command-facet-HiddenState">Hidden
1.294 mike 487: State</a> facet of the command. For <code><a href="forms.html#the-label-element" id="label-21">label</a></code> and
1.252 mike 488: <code><a href="forms.html#the-legend-element" id="legend-6">legend</a></code> elements (used in conjunction with the <code title="attr-accesskey"><a href="editing.html#the-accesskey-attribute" id="accesskey-0">accesskey</a></code> attribute), the <a href="#command-facet-hiddenstate" id="command-facet-hiddenstate-1" title="command-facet-HiddenState">Hidden State</a> facet is
1.193 mike 489: derived from another element (the one that the <a class="full-spec-link" href="http://dev.w3.org/html5/spec/editing.html#assigned-access-key" title='Read about this "assigned access key" reference in the full HTML5 spec.'>assigned
490: access key</a> will trigger), and cannot be directly accessed
491: from the element.</p>
1.11 mike 492:
493: </dd>
494:
1.153 mike 495: <dt><var title="">element</var> . <code title="dom-command-ro-disabled"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/commands.html#dom-command-ro-disabled" title='Read about this "disabled" reference in the full HTML5 spec.'>disabled</a></code></dt>
1.11 mike 496:
497: <dd>
498:
1.147 mike 499: <p>Exposes the <a href="#command-facet-disabledstate" id="command-facet-disabledstate-0" title="command-facet-DisabledState">Disabled State</a> facet of the command.</p>
1.11 mike 500:
501: </dd>
502:
1.153 mike 503: <dt><var title="">element</var> . <code title="dom-command-ro-checked"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/commands.html#dom-command-ro-checked" title='Read about this "checked" reference in the full HTML5 spec.'>checked</a></code></dt>
1.11 mike 504:
505: <dd>
506:
1.147 mike 507: <p>Exposes the <a href="#command-facet-checkedstate" id="command-facet-checkedstate-4" title="command-facet-CheckedState">Checked State</a> facet of the command.</p>
1.11 mike 508:
509: </dd>
510:
1.153 mike 511: <dt><var title="">element</var> . <code title="dom-click"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/editing.html#dom-click" title='Read about this "click" reference in the full HTML5 spec.'>click</a></code>()</dt>
1.11 mike 512:
513: <dd>
514:
1.147 mike 515: <p>Triggers the <a href="#command-facet-action" id="command-facet-action-0" title="command-facet-Action">Action</a> of the command.</p>
1.11 mike 516:
517: </dd>
518:
519: <!--v2COMMAND
520: <dt><var title="">element</var> . <code title="dom-command-ro-triggers">triggers</code></dt>
521:
522: <dd>
523:
524: <p>Exposes the <span title="command-facet-Triggers">Triggers</span> facet of the command.</p>
525:
526: </dd>
527: -->
528:
1.153 mike 529: </dl><hr><dl class="domintro"><dt><var title="">document</var> . <code title="dom-document-commands"><a class="full-spec-link" href="http://dev.w3.org/html5/spec/commands.html#dom-document-commands" title='Read about this "commands" reference in the full HTML5 spec.'>commands</a></code></dt>
1.11 mike 530: <dd>
1.192 mike 531: <p>Returns an <code><a href="urls.html#htmlcollection" id="htmlcollection-38">HTMLCollection</a></code> of the elements in the
1.153 mike 532: <code><a class="full-spec-link" href="http://dev.w3.org/html5/spec/infrastructure.html#document" title='Read about this "Document" reference in the full HTML5 spec.'>Document</a></code> that define commands and have IDs.</p>
1.11 mike 533: </dd>
534:
1.193 mike 535: </dl><hr><p>User agents may expose the <a href="#concept-command" id="concept-command-4" title="concept-command">commands</a> whose <a href="#command-facet-hiddenstate" id="command-facet-hiddenstate-2" title="command-facet-HiddenState">Hidden State</a> facet is false
1.11 mike 536: (visible), e.g. in the user agent's menu bar. User agents are
1.147 mike 537: encouraged to do this especially for commands that have <a href="#command-facet-accesskey" id="command-facet-accesskey-1" title="command-facet-AccessKey">Access Keys</a>, as a way to
1.151 mike 538: advertise those keys to the user.
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