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<h2 class="entry-header">WCAG Techniques Updated - Learn about the informative guidance</h2>
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<p>Today W3C WAI published updated <a href="http://www.w3.org/TR/WCAG20-TECHS/">Techniques for WCAG 2.0</a> and <a href="http://www.w3.org/TR/UNDERSTANDING-WCAG20/">Understanding WCAG 2.0</a>, following a <a href="http://lists.w3.org/Archives/Public/w3c-wai-ig/2011AprJun/0041.html">public review period</a>. For background on the stable WCAG standard and this updated supporting material, read the <a href="http://www.w3.org/QA/2010/10/new_and_improved_wcag_20_techn.html">October 2010 blog post</a>.</p>
<p><strong><a name="abouttech" id="abouttech"></a>About the Techniques</strong></p>
<p>First, understand that the basis for determining conformance to WCAG 2.0 is the <strong>success criteria</strong> from the <a href="http://www.w3.org/TR/WCAG20/">WCAG 2.0 standard</a> — not the techniques. The Techniques document provides guidance that is "informative". You do not <strong>have</strong> to use the sufficient techniques to meet WCAG. Web content can use other ways to meet the WCAG success criteria. Web content could even fail a particular technique test, yet still meet WCAG a different way. Also, <strong>content that uses the published techniques does not necessarily meet all WCAG success criteria.</strong></p>
<p>To learn more about the techniques, please see:</p>
<ul>
<li><a href="http://www.w3.org/WAI/WCAG20/quickref/#about-techs">About the Techniques section</a> of How to Meet WCAG 2.0:
A customizable quick reference...</li>
<li><a href="http://www.w3.org/TR/UNDERSTANDING-WCAG20/intro.html#introduction-layers-techs-head">Sufficient and Advisory Techniques section</a> of Understanding WCAG 2.0</li>
</ul>
<p><strong>About this Update</strong></p>
<p>The updated documents published today include more coverage of non-W3C technologies (Flash, PDF, Silverlight), which will help developers who are using those technologies make their content more accessible. However, <strong>publication of techniques for a specific technology does not imply that the technology can be used in all cases to create accessible content that meets WCAG 2.0.</strong> (For example, the <a href="http://www.w3.org/TR/WCAG20-TECHS/flash.html">Flash Techniques for WCAG 2.0</a> say: "Flash accessibility support for assistive technology relies on use in Windows operating systems, using Internet Explorer 6 or later (with Flash Player 6 or later) or Mozilla Firefox 3 or later (with Flash Player 9 or later).") <strong>Developers need to be aware of the limitations of specific technologies and ensure that they create content in a way that is accessible to all their potential users.</strong></p>
<p>Changes in this update are highlighted in diff-marked versions at: <a href="http://www.w3.org/TR/2012/NOTE-WCAG20-TECHS-20120103/">Techniques for WCAG 2.0 (Diff)</a>, <a href="http://www.w3.org/TR/2012/NOTE-UNDERSTANDING-WCAG20-20120103/">Understanding WCAG (Diff)</a>.</p>
<p>(Note: The first links above go to the latest version of the documents. The "dated" versions of this update are: <a href="http://www.w3.org/TR/2012/NOTE-WCAG20-TECHS-20120103/">Techniques for WCAG 2.0 (dated URI)</a>, <a href="http://www.w3.org/TR/2012/NOTE-UNDERSTANDING-WCAG20-20120103/">Understanding WCAG (dated URI)</a> The difference between these links are explained in <a href="http://www.w3.org/WAI/intro/linking.html">Referencing and Linking to WAI Guidelines and Technical Documents</a>.)</p>
<p><strong>Help Develop Techniques</strong></p>
<p class="listintro">Updating and expanding these WCAG supporting documents is on-going work, and we welcome your contributions.</p>
<ul class="listafterpul">
<li>You can send in your ideas for new techniques via the <a href="http://www.w3.org/WAI/GL/WCAG20/TECHS-SUBMIT/">Techniques for WCAG 2.0 submission form</a>.</li>
<li>You can comment on what's already there via the web form or e-mail listed in the <a href="http://www.w3.org/WAI/WCAG20/comments/"> Instructions for Commenting on WCAG 2.0 Documents</a>.</li>
<li>You can actively <a href="http://www.w3.org/WAI/GL/participation.html">participate in the WCAG Working Group</a>, writing and reviewing new techniques.</li>
</ul>
<p>And finally, a big thanks to the WCAG Working Group and everyone who is contributing to providing updated WCAG 2.0 Techniques!</p>
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<p class="postinfo">Filed by <a href="http://www.w3.org/People/Shawn/">Shawn Henry</a> on January 3, 2012 7:22 PM in <br />
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