- From: CVS User mike <cvsmail@w3.org>
- Date: Tue, 02 Dec 2014 09:39:36 +0000
- To: public-html-commits@w3.org
Update of /sources/public/html5/srcset
In directory roscoe:/tmp/cvs-serv18711
Modified Files:
Overview.html
Log Message:
update
--- /sources/public/html5/srcset/Overview.html 2012/11/27 22:13:14 1.13
+++ /sources/public/html5/srcset/Overview.html 2014/12/02 09:39:36 1.14
@@ -1,1396 +1,4 @@
-<!DOCTYPE html><html lang="en-US-x-Hixie"><head>
- <meta charset="UTF-8">
- <title>The srcset attribute</title>
- <style type="text/css">
- pre { margin-left: 2em; white-space: pre-wrap; }
- h2 { margin: 3em 0 1em 0; }
- h3 { margin: 2.5em 0 1em 0; }
- h4 { margin: 2.5em 0 0.75em 0; }
- h5, h6 { margin: 2.5em 0 1em; }
- h1 + h2, h1 + h2 + h2 { margin: 0.75em 0 0.75em; }
- h2 + h3, h3 + h4, h4 + h5, h5 + h6 { margin-top: 0.5em; }
- p { margin: 1em 0; }
- hr:not(.top) { display: block; background: none; border: none; padding: 0; margin: 2em 0; height: auto; }
- dl, dd { margin-top: 0; margin-bottom: 0; }
- dt { margin-top: 0.75em; margin-bottom: 0.25em; clear: left; }
- dt + dt { margin-top: 0; }
- dd dt { margin-top: 0.25em; margin-bottom: 0; }
- dd p { margin-top: 0; }
- dd dl + p { margin-top: 1em; }
- dd table + p { margin-top: 1em; }
- p + * > li, dd li { margin: 1em 0; }
- dt, dfn { font-weight: bold; font-style: normal; }
- i, em { font-style: italic; }
- dt dfn { font-style: italic; }
- pre, code { font-size: inherit; font-family: monospace; font-variant: normal; }
- pre strong { color: black; font: inherit; font-weight: bold; background: yellow; }
- pre em { font-weight: bolder; font-style: normal; }
- @media screen { code { color: orangered; } code :link, code :visited { color: inherit; } }
- var sub { vertical-align: bottom; font-size: smaller; position: relative; top: 0.1em; }
- table { border-collapse: collapse; border-style: hidden hidden none hidden; }
- table thead, table tbody { border-bottom: solid; }
- table tbody th:first-child { border-left: solid; }
- table tbody th { text-align: left; }
- table td, table th { border-left: solid; border-right: solid; border-bottom: solid thin; vertical-align: top; padding: 0.2em; }
- blockquote { margin: 0 0 0 2em; border: 0; padding: 0; font-style: italic; }
-
- .bad, .bad *:not(.XXX) { color: gray; border-color: gray; background: transparent; }
- .matrix, .matrix td { border: none; text-align: right; }
- .matrix { margin-left: 2em; }
- .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
- .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
- .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
-
- .toc dfn, h1 dfn, h2 dfn, h3 dfn, h4 dfn, h5 dfn, h6 dfn { font: inherit; }
- img.extra, p.overview { float: right; }
- pre.idl { border: solid thin; background: #EEEEEE; color: black; padding: 0.5em 1em; position: relative; }
- pre.idl :link, pre.idl :visited { color: inherit; background: transparent; }
- 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 }
- pre.css { border: solid thin; background: #FFFFEE; color: black; padding: 0.5em 1em; }
- pre.css:first-line { color: #AAAA50; }
- dl.domintro { color: green; margin: 2em 0 2em 2em; padding: 0.5em 1em; border: none; background: #DDFFDD; }
- hr + dl.domintro, div.impl + dl.domintro { margin-top: 2.5em; margin-bottom: 1.5em; }
- dl.domintro dt, dl.domintro dt * { color: black; text-decoration: none; }
- dl.domintro dd { margin: 0.5em 0 1em 2em; padding: 0; }
- dl.domintro dd p { margin: 0.5em 0; }
- 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; }
- dl.switch { padding-left: 2em; }
- dl.switch > dt { text-indent: -1.5em; }
- dl.switch > dt:before { content: '\21AA'; padding: 0 0.5em 0 0; display: inline-block; width: 1em; text-align: right; line-height: 0.5em; }
- dl.triple { padding: 0 0 0 1em; }
- dl.triple dt, dl.triple dd { margin: 0; display: inline }
- dl.triple dt:after { content: ':'; }
- dl.triple dd:after { content: '\A'; white-space: pre; }
- .diff-old { text-decoration: line-through; color: silver; background: transparent; }
- .diff-chg, .diff-new { text-decoration: underline; color: green; background: transparent; }
- a .diff-new { border-bottom: 1px blue solid; }
-
- figure.diagrams { border: double black; background: white; padding: 1em; }
- figure.diagrams img { display: block; margin: 1em auto; }
-
- h2 { page-break-before: always; }
- h1, h2, h3, h4, h5, h6 { page-break-after: avoid; }
- h1 + h2, hr + h2.no-toc { page-break-before: auto; }
-
- p > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]),
- li > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]) { border-bottom: solid #9999CC; }
-
- div.head { margin: 0 0 1em; padding: 1em 0 0 0; }
- div.head p { margin: 0; }
- div.head h1 { margin: 0; }
- div.head .logo { float: right; margin: 0 1em; }
- div.head .logo img { border: none } /* remove border from top image */
- div.head dl { margin: 1em 0; }
- div.head p.copyright, div.head p.alt { font-size: x-small; font-style: oblique; margin: 0; }
-
- body > .toc > li { margin-top: 1em; margin-bottom: 1em; }
- body > .toc.brief > li { margin-top: 0.35em; margin-bottom: 0.35em; }
- body > .toc > li > * { margin-bottom: 0.5em; }
- body > .toc > li > * > li > * { margin-bottom: 0.25em; }
- .toc, .toc li { list-style: none; }
-
- .brief { margin-top: 1em; margin-bottom: 1em; line-height: 1.1; }
- .brief li { margin: 0; padding: 0; }
- .brief li p { margin: 0; padding: 0; }
-
- .category-list { margin-top: -0.75em; margin-bottom: 1em; line-height: 1.5; }
- .category-list::before { content: '\21D2\A0'; font-size: 1.2em; font-weight: 900; }
- .category-list li { display: inline; }
- .category-list li:not(:last-child)::after { content: ', '; }
- .category-list li > span, .category-list li > a { text-transform: lowercase; }
- .category-list li * { text-transform: none; } /* don't affect <code> nested in <a> */
-
- .XXX { color: #E50000; background: white; border: solid red; padding: 0.5em; margin: 1em 0; }
- .XXX > :first-child { margin-top: 0; }
- p .XXX { line-height: 3em; }
- .annotation { border: solid thin black; background: #0C479D; color: white; position: relative; margin: 8px 0 20px 0; }
- .annotation:before { position: absolute; left: 0; top: 0; width: 100%; height: 100%; margin: 6px -6px -6px 6px; background: #333333; z-index: -1; content: ''; }
- .annotation :link, .annotation :visited { color: inherit; }
- .annotation :link:hover, .annotation :visited:hover { background: transparent; }
- .annotation span { border: none ! important; }
- .note { color: green; background: transparent; font-family: sans-serif; }
- .warning { color: red; background: transparent; }
- .note, .warning { font-weight: bolder; font-style: italic; }
- .note em, .warning em, .note i, .warning i { font-style: normal; }
- p.note, div.note { padding: 0.5em 2em; }
- span.note { padding: 0 2em; }
- .note p:first-child, .warning p:first-child { margin-top: 0; }
- .note p:last-child, .warning p:last-child { margin-bottom: 0; }
- .warning:before { font-style: normal; }
- p.note:before { content: 'Note: '; }
- p.warning:before { content: '\26A0 Warning! '; }
-
- .bookkeeping:before { display: block; content: 'Bookkeeping details'; font-weight: bolder; font-style: italic; }
- .bookkeeping { font-size: 0.8em; margin: 2em 0; }
- .bookkeeping p { margin: 0.5em 2em; display: list-item; list-style: square; }
- .bookkeeping dt { margin: 0.5em 2em 0; }
- .bookkeeping dd { margin: 0 3em 0.5em; }
-
- h4 { position: relative; z-index: 3; }
- h4 + .element, h4 + div + .element { margin-top: -2.5em; padding-top: 2em; }
- .element {
- background: #EEEEFF;
- color: black;
- margin: 0 0 1em 0.15em;
- padding: 0 1em 0.25em 0.75em;
- border-left: solid #9999FF 0.25em;
- position: relative;
- z-index: 1;
- }
- .element:before {
- position: absolute;
- z-index: 2;
- top: 0;
- left: -1.15em;
- height: 2em;
- width: 0.9em;
- background: #EEEEFF;
- content: ' ';
- border-style: none none solid solid;
- border-color: #9999FF;
- border-width: 0.25em;
- }
-
- .example { display: block; color: #222222; background: #FCFCFC; border-left: double; margin-left: 2em; padding-left: 1em; }
- td > .example:only-child { margin: 0 0 0 0.1em; }
-
- ul.domTree, ul.domTree ul { padding: 0 0 0 1em; margin: 0; }
- ul.domTree li { padding: 0; margin: 0; list-style: none; position: relative; }
- ul.domTree li li { list-style: none; }
- 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; }
- 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; }
- ul.domTree span { font-style: italic; font-family: serif; }
- ul.domTree .t1 code { color: purple; font-weight: bold; }
- ul.domTree .t2 { font-style: normal; font-family: monospace; }
- ul.domTree .t2 .name { color: black; font-weight: bold; }
- ul.domTree .t2 .value { color: blue; font-weight: normal; }
- ul.domTree .t3 code, .domTree .t4 code, .domTree .t5 code { color: gray; }
- ul.domTree .t7 code, .domTree .t8 code { color: green; }
- ul.domTree .t10 code { color: teal; }
-
- body.dfnEnabled dfn { cursor: pointer; }
- .dfnPanel {
- display: inline;
- position: absolute;
- z-index: 10;
- height: auto;
- width: auto;
- padding: 0.5em 0.75em;
- font: small sans-serif, Droid Sans Fallback;
- background: #DDDDDD;
- color: black;
- border: outset 0.2em;
- }
- .dfnPanel * { margin: 0; padding: 0; font: inherit; text-indent: 0; }
- .dfnPanel :link, .dfnPanel :visited { color: black; }
- .dfnPanel p { font-weight: bolder; }
- .dfnPanel * + p { margin-top: 0.25em; }
- .dfnPanel li { list-style-position: inside; }
-
- #configUI { position: absolute; z-index: 20; top: 10em; right: 1em; width: 11em; font-size: small; }
- #configUI p { margin: 0.5em 0; padding: 0.3em; background: #EEEEEE; color: black; border: inset thin; }
- #configUI p label { display: block; }
- #configUI #updateUI, #configUI .loginUI { text-align: center; }
- #configUI input[type=button] { display: block; margin: auto; }
-
- fieldset { margin: 1em; padding: 0.5em 1em; }
- fieldset > legend + * { margin-top: 0; }
- fieldset > :last-child { margin-bottom: 0; }
- fieldset p { margin: 0.5em 0; }
-
- </style>
- <link href="http://www.w3.org/StyleSheets/TR/W3C-ED" rel="stylesheet" type="text/css">
-
- <style type="text/css">
-
- .applies thead th > * { display: block; }
- .applies thead code { display: block; }
- .applies tbody th { white-space: nowrap; }
- .applies td { text-align: center; }
- .applies .yes { background: yellow; }
-
- .matrix, .matrix td { border: hidden; text-align: right; }
- .matrix { margin-left: 2em; }
-
- .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
- .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
- .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
-
- td.eg { border-width: thin; text-align: center; }
-
- #table-example-1 { border: solid thin; border-collapse: collapse; margin-left: 3em; }
- #table-example-1 * { font-family: "Essays1743", serif; line-height: 1.01em; }
- #table-example-1 caption { padding-bottom: 0.5em; }
- #table-example-1 thead, #table-example-1 tbody { border: none; }
- #table-example-1 th, #table-example-1 td { border: solid thin; }
- #table-example-1 th { font-weight: normal; }
- #table-example-1 td { border-style: none solid; vertical-align: top; }
- #table-example-1 th { padding: 0.5em; vertical-align: middle; text-align: center; }
- #table-example-1 tbody tr:first-child td { padding-top: 0.5em; }
- #table-example-1 tbody tr:last-child td { padding-bottom: 1.5em; }
- #table-example-1 tbody td:first-child { padding-left: 2.5em; padding-right: 0; width: 9em; }
- #table-example-1 tbody td:first-child::after { content: leader(". "); }
- #table-example-1 tbody td { padding-left: 2em; padding-right: 2em; }
- #table-example-1 tbody td:first-child + td { width: 10em; }
- #table-example-1 tbody td:first-child + td ~ td { width: 2.5em; }
- #table-example-1 tbody td:first-child + td + td + td ~ td { width: 1.25em; }
-
- .apple-table-examples { border: none; border-collapse: separate; border-spacing: 1.5em 0em; width: 40em; margin-left: 3em; }
- .apple-table-examples * { font-family: "Times", serif; }
- .apple-table-examples td, .apple-table-examples th { border: none; white-space: nowrap; padding-top: 0; padding-bottom: 0; }
- .apple-table-examples tbody th:first-child { border-left: none; width: 100%; }
- .apple-table-examples thead th:first-child ~ th { font-size: smaller; font-weight: bolder; border-bottom: solid 2px; text-align: center; }
- .apple-table-examples tbody th::after, .apple-table-examples tfoot th::after { content: leader(". ") }
- .apple-table-examples tbody th, .apple-table-examples tfoot th { font: inherit; text-align: left; }
- .apple-table-examples td { text-align: right; vertical-align: top; }
- .apple-table-examples.e1 tbody tr:last-child td { border-bottom: solid 1px; }
- .apple-table-examples.e1 tbody + tbody tr:last-child td { border-bottom: double 3px; }
- .apple-table-examples.e2 th[scope=row] { padding-left: 1em; }
- .apple-table-examples sup { line-height: 0; }
-
- .details-example img { vertical-align: top; }
-
- #base64-table {
- white-space: nowrap;
- font-size: 0.6em;
- column-width: 6em;
- column-count: 5;
- column-gap: 1em;
- -moz-column-width: 6em;
- -moz-column-count: 5;
- -moz-column-gap: 1em;
- -webkit-column-width: 6em;
- -webkit-column-count: 5;
- -webkit-column-gap: 1em;
- }
- #base64-table thead { display: none; }
- #base64-table * { border: none; }
- #base64-table tbody td:first-child:after { content: ':'; }
- #base64-table tbody td:last-child { text-align: right; }
-
- #named-character-references-table {
- white-space: nowrap;
- font-size: 0.6em;
- column-width: 30em;
- column-gap: 1em;
- -moz-column-width: 30em;
- -moz-column-gap: 1em;
- -webkit-column-width: 30em;
- -webkit-column-gap: 1em;
- }
- #named-character-references-table > table > tbody > tr > td:first-child + td,
- #named-character-references-table > table > tbody > tr > td:last-child { text-align: center; }
- #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; }
- #named-character-references-table > table > tbody > tr#entity-CounterClockwiseContourIntegral > td:first-child { font-size: 0.5em; }
-
- .glyph.control { color: red; }
-
- @font-face {
- font-family: 'Essays1743';
- src: url('fonts/Essays1743.ttf');
- }
- @font-face {
- font-family: 'Essays1743';
- font-weight: bold;
- src: url('fonts/Essays1743-Bold.ttf');
- }
- @font-face {
- font-family: 'Essays1743';
- font-style: italic;
- src: url('fonts/Essays1743-Italic.ttf');
- }
- @font-face {
- font-family: 'Essays1743';
- font-style: italic;
- font-weight: bold;
- src: url('fonts/Essays1743-BoldItalic.ttf');
- }
-
- </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">
-
- <script>
- function getCookie(name) {
- var params = location.search.substr(1).split("&");
- for (var index = 0; index < params.length; index++) {
- if (params[index] == name)
- return "1";
- var data = params[index].split("=");
- if (data[0] == name)
- return unescape(data[1]);
- }
- var cookies = document.cookie.split("; ");
- for (var index = 0; index < cookies.length; index++) {
- var data = cookies[index].split("=");
- if (data[0] == name)
- return unescape(data[1]);
- }
- return null;
- }
- </script>
- </head>
- <body>
- <div class="head" id="head">
- <p><a href="http://www.w3.org/"><img alt="W3C" height="48" src="http://www.w3.org/Icons/w3c_home" width="72"></a></p>
-
- <h1>The srcset attribute</h1>
- <h2 class="no-num no-toc" id="an-html-extension-for-adaptive-images">An HTML extension for adaptive images</h2>
- <h2 class="no-num no-toc" id="editor's-draft-date-1-january-1970">Editor's Draft 27 November 2012</h2>
- <dl>
- <dt>Latest Published Version:</dt>
- <dd><a href="http://www.w3.org/TR/html5/">http://www.w3.org/TR/html5/</a></dd>
- <dt>Latest Editor's Draft:</dt>
- <dd><a class="latest-link" href="http://dev.w3.org/html5/spec/Overview.html">http://dev.w3.org/html5/spec/Overview.html</a></dd>
-
- <dt>Editor:</dt>
- <dd><a href="mailto:eoconnor@apple.com">Edward O'Connor</a>, Apple Inc.</dd>
- <dt>Derived from the HTML Living Standard edited by:</dt>
- <dd><a href="mailto:ian@hixie.ch">Ian Hickson</a>, Google, Inc.</dd>
- </dl>
- <p class="copyright"><a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a>
- © 2012 <a href="http://www.w3.org/"><abbr title="World Wide
- Web Consortium">W3C</abbr></a><sup>®</sup> (<a href="http://www.csail.mit.edu/"><abbr title="Massachusetts
- Institute of Technology">MIT</abbr></a>, <a href="http://www.ercim.eu/"><abbr title="European Research
- Consortium for Informatics and Mathematics">ERCIM</abbr></a>, <a href="http://www.keio.ac.jp/">Keio</a>), All Rights Reserved. W3C
- <a href="http://www.w3.org/Consortium/Legal/ipr-notice#Legal_Disclaimer">liability</a>,
- <a href="http://www.w3.org/Consortium/Legal/ipr-notice#W3C_Trademarks">trademark</a>
- and <a href="http://www.w3.org/Consortium/Legal/copyright-documents">document
- use</a> rules apply.</p>
-
-</div>
-
-
- <hr class="top">
-
-
- <h2 class="no-num no-toc" id="abstract">Abstract</h2>
-
- <p>When authors adapt their sites for high-resolution displays, they
- often need to be able to use different assets representing the same
- image. We address this need for adaptive, bitmapped content images by
- adding a <code>srcset</code> attribute to the <code><a href="#additions-to-the-img-element">img</a></code>
- element.</p>
-
- <h2 class="no-num no-toc" id="status-of-this-document">Status of This document</h2>
-
- <!-- intro boilerplate (required) -->
-
- <p><em>This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of this technical report can be found in the <a href="http://www.w3.org/TR/">W3C technical reports index</a> at http://www.w3.org/TR/.</em></p>
-
-
- <!-- where to send feedback (required) -->
-
- <p>If you wish to make comments regarding this document in a manner
- that is tracked by the W3C, please submit them via using <a href="http://www.w3.org/Bugs/Public/enter_bug.cgi?product=HTML%20WG">our
- public bug database</a>. If you cannot do this then you can also e-mail feedback to <a href="mailto:public-html-comments@w3.org">public-html-comments@w3.org</a>
- (<a href="mailto:public-html-comments-request@w3.org?subject=subscribe">subscribe</a>,
- <a href="http://lists.w3.org/Archives/Public/public-html-comments/">archives</a>),
- and arrangements will be made to transpose the comments to our
- public bug database. All feedback is welcome.</p>
-
-
-
- <!-- UNDER NO CIRCUMSTANCES IS THE FOLLOWING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST -->
- <p class="alt">The bulk of the text of this specification is also
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Received on Tuesday, 2 December 2014 09:39:38 UTC