W3C home > Mailing lists > Public > public-html-a11y@w3.org > September 2010

[Bug 10455] Mint a describedby attribute for the img element

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Date: Wed, 08 Sep 2010 19:57:42 +0000
To: public-html-a11y@w3.org
Message-Id: <E1OtQm6-0002J6-C6@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=10455





--- Comment #82 from Gregory J. Rosmaita <oedipus@hicom.net>  2010-09-08 19:57:39 ---
(In reply to comment #81)

> where the underscores mark the beginning and the end of the descriptive text,
> as was the model provided by CSS2, which provided redundant D links as a means
> of providing support for the long descriptions contained in CSS2 as an "until
> user agent..." strategy, as then recommended by WCAG 1.0; the problem with such 
> a strategy is that by using repeated link text (namely "D") to refer to
> different resources 

the last clause of this paragraph should be:

the problem with such a strategy is that by using repeated link text (namely
"D") to refer to different resources makes it extremely difficult for a user to
associate each individual D-link with the graphic which it describes -- it has
been suggested that one could use aria-describedby to associate an individual
D-link with the graphic it describes, but the D-link "solution" was meant as a
bridging technique until native support for longdesc was implemented by user
agents, and mechanisms for indicating that a long description is available for
a graphic should be something that is handled natively by the user agent, as
long descriptions benefit more than those who are totally bind, as has been
pointed out repeatedly in the past

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