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Re: Request for review of alt and alt value for authoring or publishing tools

From: Ian Hickson <ian@hixie.ch>
Date: Tue, 15 Apr 2008 19:55:08 +0000 (UTC)
To: Steven Faulkner <faulkner.steve@gmail.com>
Cc: public-html@w3.org, Tomas Caspers <tomas@tomascaspers.de>, John Foliot <foliot@wats.ca>, wai-xtech@w3.org, wai-liaison@w3.org
Message-ID: <Pine.LNX.4.62.0804151954000.3690@hixie.dreamhostps.com>

On Tue, 15 Apr 2008, Steven Faulkner wrote:
> > 
> > Indeed the AT itself could read out the "1 of 4" thing
> 
> There is no reliable way for the AT to know which images without alt are 
> important enough to number and which are not.

If the document is a conforming HTML5 document, then <img> elements 
without alt="" text are the ones important enough to number (or to apply 
whatever UA heuristics and UI is desired).

If the document is not a conforming HTML5 document, then the user agent 
has much bigger problems on its hand, such as having to guess whether 
_any_ alt="" attribute is correct or not.

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 15 April 2008 19:57:53 UTC

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