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dc:title="Open Web Platform Weekly Summary - 2011-04-11 - 2011-04-17"
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dc:identifier="http://www.w3.org/QA/2011/04/openweb-weekly-07.html"
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dc:subject="Open Web"
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dc:description="For this 7th edition, the HTML WG had discussions about accessibility related to images and tables with a few formal objections. The Last Call of HTML5 is approaching at a fast pace. There are active discussions about FileAPI and IndexedDB, which are fundamental bricks to enable Web applications in the browser. In the meantime, the HTTP Working Group has published a new series of drafts."
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<a href="http://www.w3.org/QA/2011/04/coming_soon_w3c_community_grou.html">« Coming Soon: W3C Community Groups and Business Groups</a> |
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<a href="http://www.w3.org/QA/">Main</a>
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| <a href="http://www.w3.org/QA/2011/04/openweb-weekly-08.html">Open Web Platform Weekly Summary - 2011-04-18 - 2011-04-24 »</a>
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</p>
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<h2 class="entry-header">Open Web Platform Weekly Summary - 2011-04-11 - 2011-04-17</h2>
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<div class="entry-body">
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<p>Our <a href="http://www.w3.org/QA/archive/open_web/">weekly</a> summary of the <a href="http://www.w3.org/wiki/Open_Web_Platform">Open Web Platform</a>. Details from <a href="http://w3.org/html5/">HTML5</a> and broader topics such as Web apps discussions and HTTP. It is the 7th edition and I still have to learn how to publish this a little bit more in advance.</p>
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<h3>HTML Working Group Decisions</h3>
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<h4><code>border</code> attribute on <code>table</code> element - ISSUE-155</h4>
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<p>There was a time when the only solution to have or remove lines representing the table cells was to set a <code>border</code> attribute. Since then, we can easily set those with CSS properties. That said <a href="http://www.w3.org/html/wg/tracker/issues/155">should the attribute still be conforming</a>? It has been <a href="http://www.w3.org/mid/90384D79-17F7-46BB-9D5E-F026B35A98FA@apple.com">decided</a> to adopt the <a href="http://www.w3.org/html/wg/wiki/ISSUE-155-CP1">change proposal</a> to enable all users to distinguish the cells of a table. <code>cellpadding</code> and <code>cellspacing</code> have not been addressed and if people feel that it should be, they will should open a separate issue. Reopening this issue would require to identify a substantial number of Non-CSS UAs, syndication systems, or editors that do draw borders on HTML tables by default and pages which depends on this behavior.</p>
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<p><a href="http://www.w3.org/mid/20110415210855541549.c789c8fc@xn--mlform-iua.no">leif halvard silli</a> considers that the subsequent edits where not conform to the decision, and found out later <a href="http://www.w3.org/mid/20110416052305664529.6a28cd35@xn--mlform-iua.no">additional</a> information, and after objecting, finally <a href="http://www.w3.org/mid/20110418151801678978.5c7e8416@xn--mlform-iua.no">withdrew it</a>.</p>
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<h4>prose for <code>img</code> element - ISSUE-31</h4>
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<p>There was an <a href="http://www.w3.org/html/wg/tracker/issues/31">issue</a> about the prose used for <code>img</code> element in the specification. It has been <a href="http://www.w3.org/mid/4DACA45F.40908@intertwingly.net">decided</a>. The final adopted text is </p>
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<blockquote>
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<p>An img element represents an image.</p>
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<p>The image given by the src attribute is the embedded content; the
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value of the alt attribute provides equivalent content for those who
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cannot process images or who have image loading disabled.</p>
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</blockquote>
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<h4>accessibility for <code>img</code> element - ISSUE-31, ISSUE-80</h4>
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<p>There has been a very complex debate around validity, <code>title</code>, <code>aria-labelledby</code> attributes usage. There is currently more than one way to give explicit information about images, etc. Then <a href="http://www.w3.org/html/wg/tracker/issues/80">questions</a> <a href="http://www.w3.org/html/wg/tracker/issues/31">arised</a> around the right combination of features such as "should it be permitted to omit <code>alt</code> when <code>role=presentation</code> is specified?" or "to omit alt when the generator mechanism is present?" The <a href="http://www.w3.org/mid/34C11ACB-74E6-4CA6-9842-345BE6F526DF@apple.com">decision</a> gives a long summary of the issues at stake. Read it. The summary is:</p>
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<ul>
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<li>The presence of aria-labelledby does not make missing alt conforming.</li>
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<li>The presence of role=presentation does not make missing alt conforming.</li>
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<li>The presence of <code><meta name="generator"></code> makes missing alt conforming.</li>
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<li>Use of private communications does not, in itself, make missing alt conforming.</li>
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<li>The presence of title makes missing alt conforming.</li>
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<li>The presence of figcaption makes missing alt conforming.</li>
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</ul>
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<p>Steve Faulkner <a href="http://www.w3.org/mid/BANLkTik1W-fdoHWyF7hguFCgBYeAYvFHyg@mail.gmail.com">formally objected</a> on having conformance when <code>title</code> is specified and <code>alt</code> is missing (<a href="http://dev.w3.org/html5/status/formal-objection-status.html#ISSUE-031">recorded</a>) and also on <a href="http://www.w3.org/mid/BANLkTi=w66h0gagJwZ=UBF8KEro1Wrc-RQ@mail.gmail.com">the fact</a> that the HTML5 Last Call would have different normative decisions than WCAG 2.0. There also discussion on the <a href="http://www.w3.org/mid/20110419041039397679.b950dd81@xn--mlform-iua.no">capabilities of CMS</a> or <a href="http://www.w3.org/mid/BANLkTim8DtoY0U8T_ojyyCgz8_c8awdBbQ@mail.gmail.com">browsers</a> with regards to the <code>alt</code> attribute.</p>
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<h3>Conversations</h3>
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<h4>Proposals</h4>
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<ul>
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<li>Cameron Heavon-Jones makes a proposal for extending the attribute values for forms on input to be able to set the HTTP client headers. Read <a href="http://www.w3.org/mid/3D5B75F7-1385-422D-BC2C-9B67301476BF@gmail.com">Authentication Forms</a>. A bug has been <a href="http://www.w3.org/Bugs/Public/show_bug.cgi?id=10671">opened</a>.</li>
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<li><a href="http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2011-April/thread.html#31200"><code>summary</code> and <code>details</code> elements' specification</a> by Tomasz Jamroszczak</li>
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<li><a href="http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2011-April/thread.html#31241">Proposing <code><canvas>.toBlob(contentType)</code></a> by Kyle Huey</li>
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<li><a href="http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2011-April/thread.html#31192">Canvas.getContext error handling</a> by Glenn Maynard</li>
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</ul>
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<h4>Announcements</h4>
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<ul>
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<li><a href="http://www.brucelawson.co.uk/">Bruce Lawson</a> (Opera) has created a <a href="http://www.brucelawson.co.uk/2011/html5-gurus-on-twitter/">list of people to follow</a> on twitter for their frequent mentions of topics surrounding HTML5.</li>
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<li>HTTP Working Group <a href="http://www.w3.org/mid/4DAC6DEE.3040603@gmx.de">published new drafts</a> for HTTP bis</li>
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<li>Request for Comments for the March 10 Last Call Working Draft of <a href="http://www.w3.org/TR/2011/WD-eventsource-20110310/">Server-sent Events</a> and <a href="http://www.w3.org/TR/2011/WD-workers-20110310/">Web Workers</a>. send them to the following list by <strong>21 April</strong> 2011.</li>
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<li><a href="http://www.w3.org/News/Public/pnews-20110418">W3C Public Newsletter</a> with the last published specifications. </li>
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</ul>
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<h4>Hot Topics</h4>
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<ul>
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<li>The discussion about <a href="http://lists.w3.org/Archives/Public/public-html/2011Apr/0118.html#msg118">access on media/plugin metadata</a> is very active</li>
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<li><a href="http://burningbird.net/">Shelley Powers</a> has published <a href="http://blog.whatwg.org/whatwg-weekly-whatwg-goes-native">WHATWG Weekly: WHATWG goes Native!</a>. </li>
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<li>Steve Faulkner <a href="http://lists.w3.org/Archives/Public/public-html/2011Apr/0237.html#msg237">disagrees</a> with some edits made in the specification around ARIA mappings, then Ian Hickson (Google, HTML5 Editor) agreed that he <a href="http://www.w3.org/mid/Pine.LNX.4.64.1104120310080.25791@ps20323.dreamhostps.com">misunderstood</a> the issue.</li>
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<li>Boris Zbarsky (Mozilla) noted <a href="http://www.w3.org/mid/4DA6FAB0.7000507@mit.edu">Browser inconsistencies</a> in implementing name getters on forms and form element collections</li>
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<li>Rich Schwerdtfeger (IBM) started a discussion about <a href="http://www.w3.org/mid/OFFA710DCA.B84036BA-ON86257872.00509D6B-86257872.00512E9F@us.ibm.com">Canvas API accessibility</a>.</li>
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<li>Willy Tarreau explained about dirty and unreliable hacks to provide proxy authentication in enterprise in <a href="http://www.w3.org/mid/20110414190440.GA21585@1wt.eu">Talking HTTPS to proxies</a></li>
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<li>The discussion on <a href="http://lists.w3.org/Archives/Public/public-webapps/2011AprJun/thread.html">WebSQL</a> and friends continues.</li>
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<li><a href="http://www.w3.org/mid/BANLkTim8PwaF0Rn4LyoNVFgTy9Ushece7g@mail.gmail.com">FileWriter and read-only files</a></li>
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<li><a href="http://www.w3.org/mid/BANLkTi=VDEfkJrfbq-D0vaSxn19nA9VmyA@mail.gmail.com">BlobBuilder.getBlob should clear the BlobBuilder</a></li>
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<li>Jonas Sicking (Mozilla) <a href="http://www.w3.org/mid/BANLkTintNz_UP3TQfcaHevNMx-HDo16cXg@mail.gmail.com">started</a> a long thread about File.slice bug in FileAPI specification.</li>
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<li><a href="http://www.w3.org/mid/4D9F1127.3060201@lachy.id.au">Support for matchesSelector()</a></li>
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<li><a href="http://www.w3.org/mid/4DA32D6D.7070800@mozilla.com">Result of calling MultipleReads on FileReader</a></li>
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<li><a href="http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2011-April/thread.html#31250">Decimal comma in numeric input</a> by <a href="http://www.cs.tut.fi/~jkorpela/">Jukka K. Korpela</a></li>
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</ul>
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<p>This column is written by <a href="http://www.la-grange.net/karl/">Karl Dubost</a>, <a href="http://my.opera.com/karlcow/blog/">working</a> in the <a href="http://dev.opera.com/">Developer Relations & Tools</a> at <a href="http://www.opera.com/">Opera Software</a>.</p>
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<div id="more" class="entry-more">
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<p class="postinfo">Filed by <a href="http://my.opera.com/karlcow/blog/">Karl Dubost</a> on April 17, 2011 8:17 PM in <a href="http://www.w3.org/QA/archive/technology/html/">HTML</a>, <a href="http://www.w3.org/QA/archive/open_web/">Open Web</a>, <a href="http://www.w3.org/QA/archive/w3cqa_news/w3c_life/">W3C Life</a><br />
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<span class="separator">|</span> <a class="permalink" href="http://www.w3.org/QA/2011/04/openweb-weekly-07.html">Permalink</a>
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| <a href="http://www.w3.org/QA/2011/04/openweb-weekly-07.html#comments">Comments (4)</a>
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| <a href="http://www.w3.org/QA/2011/04/openweb-weekly-07.html#trackback">TrackBacks (0)</a>
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</p>
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<h3 class="comments-header" id="comments">Comments</h3>
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<div class="comment" id="comment-223383">
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<p class="comment-meta" id="c223383">
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<span class="comment-meta-author"><strong>Rich </strong></span>
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<span class="comment-meta-date"><a href="#c223383">#</a> 2011-04-19</span>
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</p>
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<div class="comment-bulk">
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<p>Hiya,
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"The presence of makes missing alt conforming." Is there an attribute name missing here?</p>
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</div>
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</div>
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<div class="comment" id="comment-224283">
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<p class="comment-meta" id="c224283">
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<span class="comment-meta-author"><strong>Karl Dubost <a class="commenter-profile" href="http://my.opera.com/karlcow/blog/"><img alt="Author Profile Page" src="http://www.w3.org/QA/sununga/mt-static/images/comment/mt_logo.png" width="16" height="16" /></a></strong></span>
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<span class="comment-meta-date"><a href="#c224283">#</a> 2011-04-26</span>
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</p>
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<div class="comment-bulk">
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<p>@Rich: Yup, my bad. I have fixed markup typo. Thanks for noticing.</p>
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</div>
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</div>
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<div class="comment" id="comment-224324">
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<p class="comment-meta" id="c224324">
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<span class="comment-meta-author"><strong>Leslie Balakrishnan </strong></span>
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<span class="comment-meta-date"><a href="#c224324">#</a> 2011-04-27</span>
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</p>
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<div class="comment-bulk">
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<p>I am trying to settle an academic point with an associate. I was hoping you could help.</p>
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<p>Many of my professors site your W3C Browser Statistics page to track the changes in the browser market user trends. I now have someone that disputes their validity.</p>
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<p>How definitive do you consider your rankings to be and how do you arrive at your conclusions?</p>
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<p>Any light you can shed on this would be greatly appreciated.</p>
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</div>
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</div>
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<div class="comment" id="comment-224354">
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<p class="comment-meta" id="c224354">
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<span class="comment-meta-author"><strong>Karl Dubost <a class="commenter-profile" href="http://my.opera.com/karlcow/blog/"><img alt="Author Profile Page" src="http://www.w3.org/QA/sununga/mt-static/images/comment/mt_logo.png" width="16" height="16" /></a></strong></span>
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<span class="comment-meta-date"><a href="#c224354">#</a> 2011-04-27</span>
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</p>
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<div class="comment-bulk">
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<p>@leslie: Which page are you referring to? To the best of my knowledge the W3C doesn't have any Browser statistics page.</p>
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</div>
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</div>
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<div class="comments-open" id="comments-open">
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<h3 class="comments-open-header">Leave a comment</h3>
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<div class="comments-open-moderated">
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<p>
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Note: this blog is intended to foster <strong>polite
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on-topic discussions</strong>. Comments failing these
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requirements and spam will not get published. Please,
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enter your real name and email address. Every
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individual comment is reviewed by the W3C staff.
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This may take some time, thank you for your patience.
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<p>
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You can use the following HTML markup (a href, b, i,
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br/, p, strong, em, ul, ol, li, blockquote, pre)
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and/or <a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a>.</p>
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<h4>Your comment</h4>
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