Annotation of html5/spec/the-html-element.html, revision 1.206

1.203     sruby       1: <!DOCTYPE html><html lang="en-US-x-Hixie"><meta charset="utf-8"><title>4.1.1 The html element &mdash; HTML5</title><style type="text/css">
1.198     sruby       2: 
                      3:    .applies thead th > * { display: block; }
                      4:    .applies thead code { display: block; }
                      5:    .applies tbody th { white-space: nowrap; }
                      6:    .applies td { text-align: center; }
                      7:    .applies .yes { background: yellow; }
                      8: 
                      9:    .matrix, .matrix td { border: hidden; text-align: right; }
                     10:    .matrix { margin-left: 2em; }
                     11: 
                     12:    .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
                     13:    .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
                     14:    .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
                     15: 
                     16:    td.eg { border-width: thin; text-align: center; }
                     17: 
                     18:    #table-example-1 { border: solid thin; border-collapse: collapse; margin-left: 3em; }
                     19:    #table-example-1 * { font-family: "Essays1743", serif; line-height: 1.01em; }
                     20:    #table-example-1 caption { padding-bottom: 0.5em; }
                     21:    #table-example-1 thead, #table-example-1 tbody { border: none; }
                     22:    #table-example-1 th, #table-example-1 td { border: solid thin; }
                     23:    #table-example-1 th { font-weight: normal; }
                     24:    #table-example-1 td { border-style: none solid; vertical-align: top; }
                     25:    #table-example-1 th { padding: 0.5em; vertical-align: middle; text-align: center; }
                     26:    #table-example-1 tbody tr:first-child td { padding-top: 0.5em; }
                     27:    #table-example-1 tbody tr:last-child td { padding-bottom: 1.5em; }
                     28:    #table-example-1 tbody td:first-child { padding-left: 2.5em; padding-right: 0; width: 9em; }
                     29:    #table-example-1 tbody td:first-child::after { content: leader(". "); }
                     30:    #table-example-1 tbody td { padding-left: 2em; padding-right: 2em; }
                     31:    #table-example-1 tbody td:first-child + td { width: 10em; }
                     32:    #table-example-1 tbody td:first-child + td ~ td { width: 2.5em; }
                     33:    #table-example-1 tbody td:first-child + td + td + td ~ td { width: 1.25em; }
                     34: 
                     35:    .apple-table-examples { border: none; border-collapse: separate; border-spacing: 1.5em 0em; width: 40em; margin-left: 3em; }
                     36:    .apple-table-examples * { font-family: "Times", serif; }
                     37:    .apple-table-examples td, .apple-table-examples th { border: none; white-space: nowrap; padding-top: 0; padding-bottom: 0; }
                     38:    .apple-table-examples tbody th:first-child { border-left: none; width: 100%; }
                     39:    .apple-table-examples thead th:first-child ~ th { font-size: smaller; font-weight: bolder; border-bottom: solid 2px; text-align: center; }
                     40:    .apple-table-examples tbody th::after, .apple-table-examples tfoot th::after { content: leader(". ") }
                     41:    .apple-table-examples tbody th, .apple-table-examples tfoot th { font: inherit; text-align: left; }
                     42:    .apple-table-examples td { text-align: right; vertical-align: top; }
                     43:    .apple-table-examples.e1 tbody tr:last-child td { border-bottom: solid 1px; }
                     44:    .apple-table-examples.e1 tbody + tbody tr:last-child td { border-bottom: double 3px; }
                     45:    .apple-table-examples.e2 th[scope=row] { padding-left: 1em; }
                     46:    .apple-table-examples sup { line-height: 0; }
                     47: 
                     48:    .details-example img { vertical-align: top; }
                     49: 
                     50:    #base64-table {
                     51:      white-space: nowrap;
                     52:      font-size: 0.6em;
                     53:      column-width: 6em;
                     54:      column-count: 5;
                     55:      column-gap: 1em;
                     56:      -moz-column-width: 6em;
                     57:      -moz-column-count: 5;
                     58:      -moz-column-gap: 1em;
                     59:      -webkit-column-width: 6em;
                     60:      -webkit-column-count: 5;
                     61:      -webkit-column-gap: 1em;
                     62:    }
                     63:    #base64-table thead { display: none; }
                     64:    #base64-table * { border: none; }
                     65:    #base64-table tbody td:first-child:after { content: ':'; }
                     66:    #base64-table tbody td:last-child { text-align: right; }
                     67: 
                     68:    #named-character-references-table {
                     69:      white-space: nowrap;
                     70:      font-size: 0.6em;
                     71:      column-width: 30em;
                     72:      column-gap: 1em;
                     73:      -moz-column-width: 30em;
                     74:      -moz-column-gap: 1em;
                     75:      -webkit-column-width: 30em;
                     76:      -webkit-column-gap: 1em;
                     77:    }
                     78:    #named-character-references-table > table > tbody > tr > td:first-child + td,
                     79:    #named-character-references-table > table > tbody > tr > td:last-child { text-align: center; }
                     80:    #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; }
                     81:    #named-character-references-table > table > tbody > tr#entity-CounterClockwiseContourIntegral > td:first-child { font-size: 0.5em; }
                     82: 
                     83:    .glyph.control { color: red; }
                     84: 
                     85:    @font-face {
                     86:      font-family: 'Essays1743';
1.205     sruby      87:      src: url('fonts/Essays1743.ttf');
1.198     sruby      88:    }
                     89:    @font-face {
                     90:      font-family: 'Essays1743';
                     91:      font-weight: bold;
1.205     sruby      92:      src: url('fonts/Essays1743-Bold.ttf');
1.198     sruby      93:    }
                     94:    @font-face {
                     95:      font-family: 'Essays1743';
                     96:      font-style: italic;
1.205     sruby      97:      src: url('fonts/Essays1743-Italic.ttf');
1.198     sruby      98:    }
                     99:    @font-face {
                    100:      font-family: 'Essays1743';
                    101:      font-style: italic;
                    102:      font-weight: bold;
1.205     sruby     103:      src: url('fonts/Essays1743-BoldItalic.ttf');
1.198     sruby     104:    }
                    105: 
1.203     sruby     106:   </style><link href="data:text/css," id="complete" rel="stylesheet" title="Complete specification"><link href="data:text/css,.impl%20{%20display:%20none;%20}%0Ahtml%20{%20border:%20solid%20yellow;%20}%20.domintro:before%20{%20display:%20none;%20}" id="author" rel="alternate stylesheet" title="Author documentation only"><link href="data:text/css,.impl%20{%20background:%20%23FFEEEE;%20}%20.domintro:before%20{%20background:%20%23FFEEEE;%20}" id="highlight" rel="alternate stylesheet" title="Highlight implementation requirements"><style type="text/css">
1.1       mike      107:    pre { margin-left: 2em; white-space: pre-wrap; }
                    108:    h2 { margin: 3em 0 1em 0; }
                    109:    h3 { margin: 2.5em 0 1em 0; }
                    110:    h4 { margin: 2.5em 0 0.75em 0; }
                    111:    h5, h6 { margin: 2.5em 0 1em; }
                    112:    h1 + h2, h1 + h2 + h2 { margin: 0.75em 0 0.75em; }
                    113:    h2 + h3, h3 + h4, h4 + h5, h5 + h6 { margin-top: 0.5em; }
                    114:    p { margin: 1em 0; }
                    115:    hr:not(.top) { display: block; background: none; border: none; padding: 0; margin: 2em 0; height: auto; }
                    116:    dl, dd { margin-top: 0; margin-bottom: 0; }
                    117:    dt { margin-top: 0.75em; margin-bottom: 0.25em; clear: left; }
                    118:    dt + dt { margin-top: 0; }
                    119:    dd dt { margin-top: 0.25em; margin-bottom: 0; }
                    120:    dd p { margin-top: 0; }
                    121:    dd dl + p { margin-top: 1em; }
                    122:    dd table + p { margin-top: 1em; }
                    123:    p + * > li, dd li { margin: 1em 0; }
                    124:    dt, dfn { font-weight: bold; font-style: normal; }
                    125:    i, em { font-style: italic; }
                    126:    dt dfn { font-style: italic; }
                    127:    pre, code { font-size: inherit; font-family: monospace; font-variant: normal; }
                    128:    pre strong { color: black; font: inherit; font-weight: bold; background: yellow; }
                    129:    pre em { font-weight: bolder; font-style: normal; }
                    130:    @media screen { code { color: orangered; } code :link, code :visited { color: inherit; } }
                    131:    var sub { vertical-align: bottom; font-size: smaller; position: relative; top: 0.1em; }
                    132:    table { border-collapse: collapse; border-style: hidden hidden none hidden; }
                    133:    table thead, table tbody { border-bottom: solid; }
                    134:    table tbody th:first-child { border-left: solid; }
                    135:    table tbody th { text-align: left; }
                    136:    table td, table th { border-left: solid; border-right: solid; border-bottom: solid thin; vertical-align: top; padding: 0.2em; }
                    137:    blockquote { margin: 0 0 0 2em; border: 0; padding: 0; font-style: italic; }
                    138: 
                    139:    .bad, .bad *:not(.XXX) { color: gray; border-color: gray; background: transparent; }
                    140:    .matrix, .matrix td { border: none; text-align: right; }
                    141:    .matrix { margin-left: 2em; }
                    142:    .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
                    143:    .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
                    144:    .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
                    145: 
                    146:    .toc dfn, h1 dfn, h2 dfn, h3 dfn, h4 dfn, h5 dfn, h6 dfn { font: inherit; }
                    147:    img.extra, p.overview { float: right; }
                    148:    pre.idl { border: solid thin; background: #EEEEEE; color: black; padding: 0.5em 1em; position: relative; }
                    149:    pre.idl :link, pre.idl :visited { color: inherit; background: transparent; }
                    150:    pre.idl::before { content: "IDL"; font: bold small sans-serif; padding: 0.5em; background: white; position: absolute; top: 0; margin: -1px 0 0 -4em; width: 1.5em; border: thin solid; border-radius: 0 0 0 0.5em }
                    151:    pre.css { border: solid thin; background: #FFFFEE; color: black; padding: 0.5em 1em; }
                    152:    pre.css:first-line { color: #AAAA50; }
                    153:    dl.domintro { color: green; margin: 2em 0 2em 2em; padding: 0.5em 1em; border: none; background: #DDFFDD; }
                    154:    hr + dl.domintro, div.impl + dl.domintro { margin-top: 2.5em; margin-bottom: 1.5em; }
                    155:    dl.domintro dt, dl.domintro dt * { color: black; text-decoration: none; }
                    156:    dl.domintro dd { margin: 0.5em 0 1em 2em; padding: 0; }
                    157:    dl.domintro dd p { margin: 0.5em 0; }
                    158:    dl.domintro:before { display: table; margin: -1em -0.5em -0.5em auto; width: auto; content: 'This box is non-normative. Implementation requirements are given below this box.'; color: black; font-style: italic; border: solid 2px; background: white; padding: 0 0.25em; }
                    159:    dl.switch { padding-left: 2em; }
                    160:    dl.switch > dt { text-indent: -1.5em; }
                    161:    dl.switch > dt:before { content: '\21AA'; padding: 0 0.5em 0 0; display: inline-block; width: 1em; text-align: right; line-height: 0.5em; }
                    162:    dl.triple { padding: 0 0 0 1em; }
                    163:    dl.triple dt, dl.triple dd { margin: 0; display: inline }
                    164:    dl.triple dt:after { content: ':'; }
                    165:    dl.triple dd:after { content: '\A'; white-space: pre; }
                    166:    .diff-old { text-decoration: line-through; color: silver; background: transparent; }
                    167:    .diff-chg, .diff-new { text-decoration: underline; color: green; background: transparent; }
                    168:    a .diff-new { border-bottom: 1px blue solid; }
                    169: 
1.180     sruby     170:    figure.diagrams { border: double black; background: white; padding: 1em; }
                    171:    figure.diagrams img { display: block; margin: 1em auto; } 
                    172: 
1.1       mike      173:    h2 { page-break-before: always; }
                    174:    h1, h2, h3, h4, h5, h6 { page-break-after: avoid; }
                    175:    h1 + h2, hr + h2.no-toc { page-break-before: auto; }
                    176: 
                    177:    p  > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]),
1.198     sruby     178:    li > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]) { border-bottom: solid #9999CC; }
1.1       mike      179: 
                    180:    div.head { margin: 0 0 1em; padding: 1em 0 0 0; }
                    181:    div.head p { margin: 0; }
                    182:    div.head h1 { margin: 0; }
                    183:    div.head .logo { float: right; margin: 0 1em; }
                    184:    div.head .logo img { border: none } /* remove border from top image */
                    185:    div.head dl { margin: 1em 0; }
                    186:    div.head p.copyright, div.head p.alt { font-size: x-small; font-style: oblique; margin: 0; }
                    187: 
                    188:    body > .toc > li { margin-top: 1em; margin-bottom: 1em; }
                    189:    body > .toc.brief > li { margin-top: 0.35em; margin-bottom: 0.35em; }
                    190:    body > .toc > li > * { margin-bottom: 0.5em; }
                    191:    body > .toc > li > * > li > * { margin-bottom: 0.25em; }
                    192:    .toc, .toc li { list-style: none; }
                    193: 
                    194:    .brief { margin-top: 1em; margin-bottom: 1em; line-height: 1.1; }
                    195:    .brief li { margin: 0; padding: 0; }
                    196:    .brief li p { margin: 0; padding: 0; }
                    197: 
                    198:    .category-list { margin-top: -0.75em; margin-bottom: 1em; line-height: 1.5; }
                    199:    .category-list::before { content: '\21D2\A0'; font-size: 1.2em; font-weight: 900; }
                    200:    .category-list li { display: inline; }
                    201:    .category-list li:not(:last-child)::after { content: ', '; }
                    202:    .category-list li > span, .category-list li > a { text-transform: lowercase; }
                    203:    .category-list li * { text-transform: none; } /* don't affect <code> nested in <a> */
                    204: 
                    205:    .XXX { color: #E50000; background: white; border: solid red; padding: 0.5em; margin: 1em 0; }
                    206:    .XXX > :first-child { margin-top: 0; }
                    207:    p .XXX { line-height: 3em; }
                    208:    .annotation { border: solid thin black; background: #0C479D; color: white; position: relative; margin: 8px 0 20px 0; }
                    209:    .annotation:before { position: absolute; left: 0; top: 0; width: 100%; height: 100%; margin: 6px -6px -6px 6px; background: #333333; z-index: -1; content: ''; }
                    210:    .annotation :link, .annotation :visited { color: inherit; }
                    211:    .annotation :link:hover, .annotation :visited:hover { background: transparent; }
                    212:    .annotation span { border: none ! important; }
                    213:    .note { color: green; background: transparent; font-family: sans-serif; }
                    214:    .warning { color: red; background: transparent; }
                    215:    .note, .warning { font-weight: bolder; font-style: italic; }
                    216:    .note em, .warning em, .note i, .warning i { font-style: normal; }
                    217:    p.note, div.note { padding: 0.5em 2em; }
                    218:    span.note { padding: 0 2em; }
                    219:    .note p:first-child, .warning p:first-child { margin-top: 0; }
                    220:    .note p:last-child, .warning p:last-child { margin-bottom: 0; }
                    221:    .warning:before { font-style: normal; }
                    222:    p.note:before { content: 'Note: '; }
                    223:    p.warning:before { content: '\26A0 Warning! '; }
                    224: 
                    225:    .bookkeeping:before { display: block; content: 'Bookkeeping details'; font-weight: bolder; font-style: italic; }
                    226:    .bookkeeping { font-size: 0.8em; margin: 2em 0; }
                    227:    .bookkeeping p { margin: 0.5em 2em; display: list-item; list-style: square; }
                    228:    .bookkeeping dt { margin: 0.5em 2em 0; }
                    229:    .bookkeeping dd { margin: 0 3em 0.5em; }
                    230: 
                    231:    h4 { position: relative; z-index: 3; }
                    232:    h4 + .element, h4 + div + .element { margin-top: -2.5em; padding-top: 2em; }
                    233:    .element {
                    234:      background: #EEEEFF;
                    235:      color: black;
                    236:      margin: 0 0 1em 0.15em;
                    237:      padding: 0 1em 0.25em 0.75em;
                    238:      border-left: solid #9999FF 0.25em;
                    239:      position: relative;
                    240:      z-index: 1;
                    241:    }
                    242:    .element:before {
                    243:      position: absolute;
                    244:      z-index: 2;
                    245:      top: 0;
                    246:      left: -1.15em;
                    247:      height: 2em;
                    248:      width: 0.9em;
                    249:      background: #EEEEFF;
                    250:      content: ' ';
                    251:      border-style: none none solid solid;
                    252:      border-color: #9999FF;
                    253:      border-width: 0.25em;
                    254:    }
                    255: 
                    256:    .example { display: block; color: #222222; background: #FCFCFC; border-left: double; margin-left: 2em; padding-left: 1em; }
                    257:    td > .example:only-child { margin: 0 0 0 0.1em; }
                    258: 
                    259:    ul.domTree, ul.domTree ul { padding: 0 0 0 1em; margin: 0; }
                    260:    ul.domTree li { padding: 0; margin: 0; list-style: none; position: relative; }
                    261:    ul.domTree li li { list-style: none; }
                    262:    ul.domTree li:first-child::before { position: absolute; top: 0; height: 0.6em; left: -0.75em; width: 0.5em; border-style: none none solid solid; content: ''; border-width: 0.1em; }
                    263:    ul.domTree li:not(:last-child)::after { position: absolute; top: 0; bottom: -0.6em; left: -0.75em; width: 0.5em; border-style: none none solid solid; content: ''; border-width: 0.1em; }
                    264:    ul.domTree span { font-style: italic; font-family: serif; }
                    265:    ul.domTree .t1 code { color: purple; font-weight: bold; }
                    266:    ul.domTree .t2 { font-style: normal; font-family: monospace; }
                    267:    ul.domTree .t2 .name { color: black; font-weight: bold; }
                    268:    ul.domTree .t2 .value { color: blue; font-weight: normal; }
                    269:    ul.domTree .t3 code, .domTree .t4 code, .domTree .t5 code { color: gray; }
                    270:    ul.domTree .t7 code, .domTree .t8 code { color: green; }
                    271:    ul.domTree .t10 code { color: teal; }
                    272: 
                    273:    body.dfnEnabled dfn { cursor: pointer; }
                    274:    .dfnPanel {
                    275:      display: inline;
                    276:      position: absolute;
                    277:      z-index: 10;
                    278:      height: auto;
                    279:      width: auto;
                    280:      padding: 0.5em 0.75em;
                    281:      font: small sans-serif, Droid Sans Fallback;
                    282:      background: #DDDDDD;
                    283:      color: black;
                    284:      border: outset 0.2em;
                    285:    }
                    286:    .dfnPanel * { margin: 0; padding: 0; font: inherit; text-indent: 0; }
                    287:    .dfnPanel :link, .dfnPanel :visited { color: black; }
                    288:    .dfnPanel p { font-weight: bolder; }
                    289:    .dfnPanel * + p { margin-top: 0.25em; }
                    290:    .dfnPanel li { list-style-position: inside; }
                    291: 
                    292:    #configUI { position: absolute; z-index: 20; top: 10em; right: 1em; width: 11em; font-size: small; }
                    293:    #configUI p { margin: 0.5em 0; padding: 0.3em; background: #EEEEEE; color: black; border: inset thin; }
                    294:    #configUI p label { display: block; }
                    295:    #configUI #updateUI, #configUI .loginUI { text-align: center; }
                    296:    #configUI input[type=button] { display: block; margin: auto; }
                    297: 
                    298:    fieldset { margin: 1em; padding: 0.5em 1em; }
                    299:    fieldset > legend + * { margin-top: 0; }
                    300:    fieldset > :last-child { margin-bottom: 0; }
                    301:    fieldset p { margin: 0.5em 0; }
                    302: 
1.206   ! sruby     303:   </style><link href="http://www.w3.org/StyleSheets/TR/W3C-ED" rel="stylesheet" type="text/css"><script>
1.1       mike      304:    function getCookie(name) {
                    305:      var params = location.search.substr(1).split("&");
                    306:      for (var index = 0; index < params.length; index++) {
                    307:        if (params[index] == name)
                    308:          return "1";
                    309:        var data = params[index].split("=");
                    310:        if (data[0] == name)
                    311:          return unescape(data[1]);
                    312:      }
                    313:      var cookies = document.cookie.split("; ");
                    314:      for (var index = 0; index < cookies.length; index++) {
                    315:        var data = cookies[index].split("=");
                    316:        if (data[0] == name)
                    317:          return unescape(data[1]);
                    318:      }
                    319:      return null;
                    320:    }
1.203     sruby     321:   </script><link href="semantics.html" rel="prev" title="4 The elements of HTML">
                    322:   <link href="index.html#contents" rel="contents" title="Table of contents">
                    323:   <link href="the-head-element.html" rel="next" title="4.2.1 The head element">
                    324:   <body class="split chapter" onload="fixBrokenLink();"><div class="head" id="head">
1.1       mike      325:    <p><a href="http://www.w3.org/"><img alt="W3C" height="48" src="http://www.w3.org/Icons/w3c_home" width="72"></a></p>
                    326: 
                    327:    <h1>HTML5</h1>
1.195     sruby     328:    <h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2>
1.206   ! sruby     329:    <h2 class="no-num no-toc" id="editor's-draft-date-1-january-1970">Editor's Draft 27 October 2012</h2>
1.85      mike      330:    </div>
1.198     sruby     331:   
                    332: 
1.203     sruby     333:   <nav class="prev_next">
                    334:    <a href="semantics.html">&slarr; 4 The elements of HTML</a> &ndash;
                    335:    <a href="index.html#contents">Table of contents</a> &ndash;
                    336:    <a href="the-head-element.html">4.2.1 The head element &srarr;</a>
                    337:   <ol class="toc"><li><ol><li><ol><li><a href="the-html-element.html#the-html-element"><span class="secno">4.1.1 </span>The <code>html</code> element</a></ol><li><a href="the-html-element.html#document-metadata"><span class="secno">4.2 </span>Document metadata</a>
                    338:     </ol></ol></nav>
1.1       mike      339: 
1.85      mike      340:   <h4 id="the-html-element"><span class="secno">4.1.1 </span>The <dfn><code>html</code></dfn> element</h4>
                    341: 
                    342:   <dl class="element"><dt><a href="element-definitions.html#element-dfn-categories" title="element-dfn-categories">Categories</a>:</dt>
1.1       mike      343:    <dd>None.</dd>
1.25      mike      344:    <dt><a href="element-definitions.html#element-dfn-contexts" title="element-dfn-contexts">Contexts in which this element can be used</a>:</dt>
1.1       mike      345:    <dd>As the root element of a document.</dd>
                    346:    <dd>Wherever a subdocument fragment is allowed in a compound document.</dd>
1.25      mike      347:    <dt><a href="element-definitions.html#element-dfn-content-model" title="element-dfn-content-model">Content model</a>:</dt>
1.1       mike      348:    <dd>A <code><a href="the-head-element.html#the-head-element">head</a></code> element followed by a <code><a href="the-body-element.html#the-body-element">body</a></code> element.</dd>
1.25      mike      349:    <dt><a href="element-definitions.html#element-dfn-attributes" title="element-dfn-attributes">Content attributes</a>:</dt>
1.1       mike      350:    <dd><a href="global-attributes.html#global-attributes">Global attributes</a></dd>
                    351:    <dd><code title="attr-html-manifest"><a href="#attr-html-manifest">manifest</a></code></dd>
1.159     sruby     352:    <dt><a href="element-definitions.html#element-dfn-dom" title="element-dfn-dom">DOM interface</a>:</dt><!--TOPIC:DOM APIs-->
1.1       mike      353:    <dd>
                    354:     <pre class="idl">interface <dfn id="htmlhtmlelement">HTMLHtmlElement</dfn> : <a href="elements.html#htmlelement">HTMLElement</a> {};</pre>
                    355:    </dd>
1.204     sruby     356:   </dl><!--TOPIC:HTML--><p>The <code><a href="#the-html-element">html</a></code> element <a href="rendering.html#represents">represents</a> the root of
1.85      mike      357:   an HTML document.</p>
                    358: 
1.201     sruby     359:   <p>Authors are encouraged to specify a <code title="attr-lang"><a href="global-attributes.html#attr-lang">lang</a></code> attribute on the root
                    360:   <code><a href="#the-html-element">html</a></code> element, giving the document's language. This aids speech synthesis tools to
                    361:   determine what pronunciations to use, translation tools to determine what rules to use, and so
                    362:   forth.</p>
                    363: 
1.159     sruby     364: <!--TOPIC:Offline Web Applications-->
1.85      mike      365:   <p>The <dfn id="attr-html-manifest" title="attr-html-manifest"><code>manifest</code></dfn>
1.204     sruby     366:   attribute gives the address of the document's <a href="offline.html#application-cache">application
                    367:   cache</a> <a href="offline.html#concept-appcache-manifest" title="concept-appcache-manifest">manifest</a>, if there is
1.1       mike      368:   one. If the attribute is present, the attribute's value must be a
                    369:   <a href="urls.html#valid-non-empty-url-potentially-surrounded-by-spaces">valid non-empty URL potentially surrounded by
1.85      mike      370:   spaces</a>.</p>
                    371: 
                    372:   <p>The <code title="attr-html-manifest"><a href="#attr-html-manifest">manifest</a></code> attribute
1.204     sruby     373:   only <a href="offline.html#concept-appcache-init" title="concept-appcache-init">has an effect</a> during
1.1       mike      374:   the early stages of document load. Changing the attribute
                    375:   dynamically thus has no effect (and thus, no DOM API is provided for
1.85      mike      376:   this attribute).</p>
                    377: 
1.204     sruby     378:   <p class="note">For the purposes of <a href="offline.html#concept-appcache-init" title="concept-appcache-init">application cache selection</a>,
1.1       mike      379:   later <code><a href="the-base-element.html#the-base-element">base</a></code> elements cannot affect the <a href="urls.html#resolve-a-url" title="resolve a url">resolving of relative URLs</a> in <code title="attr-html-manifest"><a href="#attr-html-manifest">manifest</a></code> attributes, as the
1.85      mike      380:   attributes are processed before those elements are seen.</p>
                    381: 
1.204     sruby     382:   <p class="note">The <code title="dom-applicationCache"><a href="offline.html#dom-applicationcache">window.applicationCache</a></code> IDL
                    383:   attribute provides scripted access to the offline <a href="offline.html#application-cache">application
1.85      mike      384:   cache</a> mechanism.</p>
1.159     sruby     385: <!--TOPIC:HTML-->
1.85      mike      386: 
                    387:   <div class="example">
1.1       mike      388: 
                    389:    <p>The <code><a href="#the-html-element">html</a></code> element in the following example declares
                    390:    that the document's language is English.</p>
                    391: 
                    392:    <pre>&lt;!DOCTYPE html&gt;
                    393: <strong>&lt;html lang="en"&gt;</strong>
                    394: &lt;head&gt;
                    395: &lt;title&gt;Swapping Songs&lt;/title&gt;
                    396: &lt;/head&gt;
                    397: &lt;body&gt;
                    398: &lt;h1&gt;Swapping Songs&lt;/h1&gt;
                    399: &lt;p&gt;Tonight I swapped some of the songs I wrote with some friends, who
                    400: gave me some of the songs they wrote. I love sharing my music.&lt;/p&gt;
                    401: &lt;/body&gt;
1.159     sruby     402: <strong><a href="#the-html-element">&lt;/html&gt;</a></strong></pre>
1.1       mike      403: 
1.85      mike      404:   </div>
                    405: 
                    406: 
                    407: 
                    408: 
                    409:   <h3 id="document-metadata"><span class="secno">4.2 </span>Document metadata</h3>
                    410: 
1.203     sruby     411:   

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