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Merge pull request ResponsiveImagesCG#141 from zcorpan/tweak-authorin…
…g-reqs-sizes Tighten up the allowed syntax for sizes. Allow the attribute to be omitt...
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| </p> | ||
| <h1 class="p-name no-ref" id=title>The picture Element</h1> | ||
| <h2 class="no-num no-toc no-ref heading settled heading" id=subtitle><span class=content>Editor’s Draft, | ||
| <span class=dt-updated><span class=value-title title=20140408>8 April 2014</span></span></span></h2> | ||
| <span class=dt-updated><span class=value-title title=20140409>9 April 2014</span></span></span></h2> | ||
| <div data-fill-with=spec-metadata><dl><dt>This version:<dd><a class=u-url href=http://picture.responsiveimages.org>http://picture.responsiveimages.org</a><dt>Editor’s Draft:<dd><a href=http://picture.responsiveimages.org>http://picture.responsiveimages.org</a><dt>Test Suite:<dd>None Yet<dt>Editors: | ||
| <dd class="p-author h-card vcard"><a class="p-name fn u-url url" href=http://xanthir.com/contact/>Tab Atkins</a> (<span class="p-org org">Google</span>)<dd class="p-author h-card vcard"><span class="p-name fn">Marcos Cáceres</span> (<span class="p-org org">Mozilla</span>)<dd class="p-author h-card vcard"><a class="p-name fn u-url url" href=http://matmarquis.com/>Mat Marquis</a><dd class="p-author h-card vcard"><a class="p-name fn u-url url" href=http://blog.yoav.ws/>Yoav Weiss</a><dd class="p-author h-card vcard"><a class="p-name fn u-email email" href=mailto:[email protected]>Simon Pieters</a> (<span class="p-org org">Opera Software</span>)<dt>Version History:<dd><a href=https://github.com/ResponsiveImagesCG/picture-element/commits/gh-pages>Commit History</a><dd><a href=https://twitter.com/respimg_commits>Github commits on Twitter</a><dt>Participate:<dd><a href=http://w3c.responsiveimages.org>Join the Responsive Images Community Group</a><dd><a href=http://list.responsiveimages.org>Public Mailing List</a><dd><a href=irc://irc.w3.org:6665/#respimg>IRC: #respimg on W3C’s IRC</a><dd><a href=https://twitter.com/respimg>Twitter</a><dd><a href=https://github.com/ResponsiveImagesCG/picture-element>Github</a></dl></div> | ||
| <div data-fill-with=warning></div> | ||
| <p class=copyright data-fill-with=copyright><a href=http://creativecommons.org/publicdomain/zero/1.0/ rel=license><img alt=CC0 src=http://i.creativecommons.org/p/zero/1.0/80x15.png></a> | ||
| To the extent possible under law, the editors have waived all copyright | ||
| and related or neighboring rights to this work. | ||
| In addition, as of 8 April 2014, | ||
| In addition, as of 9 April 2014, | ||
| the editors have made this specification available under the | ||
| <a href=http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0 rel=license>Open Web Foundation Agreement Version 1.0</a>, | ||
| which is available at http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0. | ||
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@@ -1366,9 +1366,12 @@ <h4 class="heading settled heading" data-level=3.1.3 id=parse-srcset-attr><span | |
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| <p> If the <a data-link-type=element href=http://www.w3.org/html/wg/drafts/html/CR/embedded-content-0.html#the-source-element title=source>source</a> or <a data-link-type=element href=http://www.w3.org/html/wg/drafts/html/CR/embedded-content-0.html#the-img-element title=img>img</a> element has a | ||
| sizes attribute present, all <a data-link-type=dfn href=#image-candidate-string title="image candidate strings">image candidate strings</a> for that | ||
| element must have the <i title="">width descriptor</i> specified. If the | ||
| sizes attribute is not present, all <a data-link-type=dfn href=#image-candidate-string title="image candidate strings">image candidate strings</a> for | ||
| that element must not have the <i title="">width descriptor</i> specified. | ||
| element must have the <i title="">width descriptor</i> specified. | ||
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| <p> If an <a data-link-type=dfn href=#image-candidate-string title="image candidate string">image candidate string</a> for an <a data-link-type=element href=http://www.w3.org/html/wg/drafts/html/CR/embedded-content-0.html#the-source-element title=source>source</a> or <a data-link-type=element href=http://www.w3.org/html/wg/drafts/html/CR/embedded-content-0.html#the-img-element title=img>img</a> element | ||
| has the <i title="">width descriptor</i> specified, | ||
| all other <a data-link-type=dfn href=#image-candidate-string title="image candidate strings">image candidate strings</a> for that element | ||
| must also have the <i title="">width descriptor</i> specified. | ||
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| <h4 class="heading settled heading" data-level=3.1.4 id=parse-sizes-attr><span class=secno>3.1.4 </span><span class=content> | ||
| Parsing a <code>sizes</code> Attribute</span><a class=self-link href=#parse-sizes-attr></a></h4> | ||
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@@ -1438,8 +1441,8 @@ <h4 class="heading settled heading" data-level=3.1.4 id=parse-sizes-attr><span c | |
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| <p> A <dfn data-dfn-type=dfn data-export="" id=valid-source-size-list>valid source size list<a class=self-link href=#valid-source-size-list></a></dfn> is a string that matches the following grammar: <a data-biblio-type=normative data-link-type=biblio href=#css3val title=css3val>[CSS3VAL]</a> | ||
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| <pre> <dfn class=css-code data-dfn-type=type data-export="" id=typedef-source-size-list><source-size-list><a class=self-link href=#typedef-source-size-list></a></dfn> = <a class="production css-code" data-link-type=type href=#typedef-source-size title="<source-size>"><source-size></a>#? | ||
| <dfn class=css-code data-dfn-type=type data-export="" id=typedef-source-size><source-size><a class=self-link href=#typedef-source-size></a></dfn> = <a class="production css-code" data-link-type=type href=http://dev.w3.org/csswg/mediaqueries-4/#typedef-media-condition title="<media-condition>"><media-condition></a>? <a class="production css-code" data-link-type=type href=#typedef-source-size-value title="<source-size-value>"><source-size-value></a> | ||
| <pre> <dfn class=css-code data-dfn-type=type data-export="" id=typedef-source-size-list><source-size-list><a class=self-link href=#typedef-source-size-list></a></dfn> = <a class="production css-code" data-link-type=type href=#typedef-source-size title="<source-size>"><source-size></a>#+ [ , <a class="production css-code" data-link-type=type href=#typedef-source-size-value title="<source-size-value>"><source-size-value></a> ]? | <a class="production css-code" data-link-type=type href=#typedef-source-size-value title="<source-size-value>"><source-size-value></a> | ||
| <dfn class=css-code data-dfn-type=type data-export="" id=typedef-source-size><source-size><a class=self-link href=#typedef-source-size></a></dfn> = <a class="production css-code" data-link-type=type href=http://dev.w3.org/csswg/mediaqueries-4/#typedef-media-condition title="<media-condition>"><media-condition></a> <a class="production css-code" data-link-type=type href=#typedef-source-size-value title="<source-size-value>"><source-size-value></a> | ||
| <dfn class=css-code data-dfn-type=type data-export="" id=typedef-source-size-value><source-size-value><a class=self-link href=#typedef-source-size-value></a></dfn> = <a class="production css-code" data-link-type=type href=http://dev.w3.org/csswg/css-values-3/#length-value title="<length>"><length></a> | <a class="production css-code" data-link-type=type href=http://dev.w3.org/csswg/css-values-3/#percentage-value title="<percentage>"><percentage></a> | ||
| </pre> | ||
| <p> A <a class="production css-code" data-link-type=type href=#typedef-source-size-value title="<source-size-value>"><source-size-value></a> must not be negative. | ||
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