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Re: SV: HTML Image Description Extension (longdesc) is a W3C Recommendation

From: Shawn Henry <shawn@w3.org>
Date: Tue, 03 Mar 2015 09:36:32 -0600
Message-ID: <54F5D500.7040309@w3.org>
To: Lisa Yayla <Lisa.Yayla@statped.no>
CC: WAI Interest Group <w3c-wai-ig@w3.org>
Hi Lisa,

Some information on accessibility support for longdesc in web browsers is available in the sidebar under the header "Accessibility Support: Longdesc, Web Browsers, and Assistive Technologies" at:

That web page provides additional information on approaches for providing long descriptions for complex images:

I hope you find it helpful! :)


On 3/3/2015 3:07 AM, Lisa Yayla wrote:
> Hi,
> We are having a discussion about the usability of longdesc and different browsers.
> Do you know if there are any problems with the tag in different browsers.
> Thank you.
> Lisa Yayla
> -----Opprinnelig melding-----
> Fra: Shawn Henry [mailto:shawn@w3.org]
> Sendt: 26. februar 2015 22:00
> Til: WAI Interest Group
> Emne: HTML Image Description Extension (longdesc) is a W3C Recommendation
> Dear WAI Interest Group Participants,
> The HTML5 Image Description Extension (longdesc) has been published as a W3C Recommendation at:
>       http://www.w3.org/TR/html-longdesc
> This specification ("HTML5-longdesc") enables web authors to provide longer textual descriptions for complex images. HTML5-longdesc is an extension specification that is part of the HTML5 family of specifications [1]. HTML5-longdesc is part of W3C's work to ensure that the Open Web Platform [2] is accessible to people with disabilities [3].
> HTML5-longdesc was developed in the HTML Accessibility Task Force [4], a joint task force of the HTML Working Group and the WAI Protocols and Formats Working Group (PFWG).
> About the URI: The first URI above goes to the latest version of the specification. The "dated" version of this Recommendation is: <http://www.w3.org/TR/2015/REC-html-longdesc-20150226/> The difference between these URIs is explained in Referencing and Linking to WAI Guidelines and Technical Documents at: <http://www.w3.org/WAI/intro/linking>
> Please let us know if you have any questions.
> Feel free to circulate this message to other lists; please avoid cross-postings where possible.
> Regards,
> Shawn Henry, Web Accessibility Initiative (WAI) Outreach Coordinator Liam Quinn, W3C Staff Contact for the HTML Accessibility Task Force Judy Brewer, Web Accessibility Initiative (WAI) Domain Lead Philippe Le Hegaret, Interaction Domain Lead
> [1] Blog about extension specifications <http://www.w3.org/blog/2012/09/getting-html5-to-recommendatio/>
> [2] Open Web Platform standards <http://www.w3.org/standards/> [3] Accessibility - W3C <http://www.w3.org/standards/webdesign/accessibility>
> [4] Task Force <http://www.w3.org/WAI/PF/html-accessibility-tf>
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Received on Tuesday, 3 March 2015 15:36:51 UTC

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