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Re: [html4all] New issue: IMG section of HTML5 draft contradicts WCAG 1 & WCAG 2 (draft)

From: Charles McCathieNevile <chaals@opera.com>
Date: Fri, 11 Apr 2008 13:58:50 +0200
To: HTML4All <list@html4all.org>
Cc: wai-xtech@w3.org, "Al Gilman" <Alfred.S.Gilman@ieee.org>, "Michael(tm) Smith" <mike@w3.org>, "Dan Connolly" <connolly@w3.org>, "HTML WG" <public-html@w3.org>
Message-ID: <op.t9f3kcdxwxe0ny@widsith.local>

On Fri, 11 Apr 2008 12:06:48 +0200, Philip TAYLOR  
<Philip-and-LeKhanh@royal-tunbridge-wells.org> wrote:

> Henri Sivonen wrote:
>> Saying that the program should emit alt='' would lose information
>> about lack of data vs. marking the image as decorative.)
> Why could the program not emit something along the lines of
> 	'alt="<no ALT text available>"'

It could. But it is a bad idea because

1. Because that does not mean anything in most langauges of the world.
2. Because you are unlikely to come up with a complete text string that  
people always emit correctly, and get it implemented through the various  
tool chains in use, with anything like the same efficiency as working out  
what the lack of an alt attribute means.
3. Because it isn't actually a terribly helpful statement for a person to  
hear multiple times.
4. It means that all legacy testing systems will have to be rebuilt to  
ensure that they recognise this magic string as being equivalent to not  
having any alt attribute.



Charles McCathieNevile  Opera Software, Standards Group
     je parle français -- hablo español -- jeg lærer norsk
http://my.opera.com/chaals   Try Opera 9.5: http://snapshot.opera.com
Received on Friday, 11 April 2008 11:59:54 UTC

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