- From: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
- Date: Wed, 11 May 2011 01:40:26 +0200
- To: Steve Faulkner <faulkner.steve@gmail.com>
- Cc: James Craig <jcraig@apple.com>, W3C WAI-XTECH <wai-xtech@w3.org>
I had already filed a bug against the HTML API Guide stating that @title should be used when @alt is empty. http://www.w3.org/Bugs/Public/show_bug.cgi?id=12587 Documenting the heuristics, btw, is more or less equal to documenting the implicit *role* of the IMG. Leif H Silli Steve Faulkner, Tue, 10 May 2011 22:09:50 +0100: > hi james > > i think it would be a good idea to document the heuristics, I would > suggest the html API guide would be the place to do it. > > > regards > steve > > On 10 May 2011 22:08, James Craig <jcraig@apple.com> wrote: >> >> On May 10, 2011, at 1:56 PM, Steve Faulkner wrote: >> >>> hi james, >>> >>>> what about an explicit alt="" inside a link? >>>> <a href="/path/about_us.html"><img src="contact.png" alt=""></a> >>> >>> not sure in what sense you mean 'what about' >>> >>> its certainly an author error, in this case, since the accessible >> name for the link is derived from its content and its content is >> absent, then a heusristic is to announce the href >>> NVDA goes one better and just announces the linked file name "about_us" >> >> >> As does VoiceOver: "about us". I'm just curious if it'd be >> worthwhile to have the HTML spec standardize the fallback heuristics >> there. Something like use "last filename component minus extension" >> on unlinked images, or use "last link path component minus >> extension" on linked images. It could also spec which special chars >> to replace with spaces, like underscore, hyphen, etc. >> >> > > > > -- > with regards > > Steve Faulkner > Technical Director - TPG > > www.paciellogroup.com | www.HTML5accessibility.com | > www.twitter.com/stevefaulkner > HTML5: Techniques for providing useful text alternatives - > dev.w3.org/html5/alt-techniques/ > Web Accessibility Toolbar - > www.paciellogroup.com/resources/wat-ie-about.html >
Received on Tuesday, 10 May 2011 23:40:54 UTC