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Re: feedback requested on WAI CG Consensus Resolutions on Text alternatives in HTML 5 document

From: Maciej Stachowiak <mjs@apple.com>
Date: Mon, 17 Aug 2009 19:59:50 -0700
Cc: HTMLWG WG <public-html@w3.org>, W3C WAI-XTECH <wai-xtech@w3.org>
Message-id: <74EAC960-AD1D-45CA-8371-23061D3576E2@apple.com>
To: Steven Faulkner <faulkner.steve@gmail.com>

On Aug 17, 2009, at 7:48 PM, Steven Faulkner wrote:

> hi maciej,
>
> >For the combination of Safari+VoiceOver, the actual AT (VoiceOver)  
> has no direct access to the DOM, and we >kind of like it that way. I  
> think it would be better to specify things without overconstraining  
> how the browser and >AT talk to each other to fix up broken content.
>
> so are all the html elements that voiceover provides interaction  
> with mapped to the apple accessibility API?

Yes. The Mac OS X accessibility API is the sole way that Safari  
communicates with VoiceOver. The same goes for any other browser - no  
back channels. VoiceOver does not do any poking in the DOM, and we  
would like to keep it that way. This means that a some of heuristics  
for making VoiceOver work well are actually in WebKit, not VoiceOver,  
since we have to expose the right information for VO to do its thing.

Regards,
Maciej
Received on Tuesday, 18 August 2009 03:00:39 UTC

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