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Re: Need differentiator between "no alt text provided" and "no alt text necessary"

From: James Craig <jcraig@apple.com>
Date: Fri, 6 Feb 2009 12:33:43 -0800
Cc: Maciej Stachowiak <mjs@apple.com>, public-html@w3.org
Message-Id: <9D197F26-930C-4006-8858-672AFD78677C@apple.com>
To: Ian Hickson <ian@hixie.ch>

On Feb 6, 2009, at 12:15 PM, Ian Hickson wrote:

> I've added a note that says:
>   In a conforming document, the absence of the alt attribute indicates
>   that the image is a key part of the content but that a textual
>   replacement for the image was not available when the image was
>   generated.
> Does that help?

That's perfect. Thank you.

>> 6. If no caption information can be determined from the previous
>> steps, user agents MAY assume the image is a key part of the content
>> lacking a textual equivalent in the document

> What does this require? Could you describe a test page that  
> demonstrates
> how to test whether a user agent is complying to this requirement or  
> not?
> There's no point adding requirements that aren't testable.

Do you need to test an RFC 2119 "MAY"? If so, it's fine without this  
item now that the other clarification was added. Thanks again.
Received on Friday, 6 February 2009 20:34:25 UTC

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