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Re: Thoughts towards an accessible <canvas>

From: Maciej Stachowiak <mjs@apple.com>
Date: Fri, 20 Mar 2009 18:47:06 -0700
Cc: "John Foliot - WATS.ca" <foliot@wats.ca>, Wai-Ig <w3c-wai-ig@w3.org>, wai-xtech@w3.org, 'HTMLWG' <public-html@w3.org>, WebAIM Discussion List <webaim-forum@list.webaim.org>, Gawds_Discuss <gawds_discuss@yahoogroups.com>
Message-id: <37A34851-B300-42AC-A5F5-B00D63725FAF@apple.com>
To: Charles McCathieNevile <chaals@opera.com>

On Mar 19, 2009, at 8:34 AM, Charles McCathieNevile wrote:

>
>> I propose that
>> any instance of <canvas> that lacks at a minimum the 2 proposed  
>> mandatory
>> values be non-conformant and not render on screen. The inclusion of  
>> this
>> information should not be left to chance - the specification  
>> requires that some fallback content exist - and if it does not  
>> exist then the
>> <canvas> element is incomplete, thus it should simply fail all  
>> users...
>
> I think that this is a non-starter. As explained in a narrower  
> follow-up, the penalty to browsers who do this means that mainstream  
> browsers simply won't, in all probability.

I agree with Chaals on this. We would likely not be willing to stop  
rendering existing <canvas> content in Safari.

Regards,
Maciej
Received on Saturday, 21 March 2009 01:47:49 GMT

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