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Re: unifying alternate content across embedded content element types

From: Patrick H. Lauke <redux@splintered.co.uk>
Date: Mon, 23 Jul 2007 20:01:08 +0100
Message-ID: <46A4FAF4.6060309@splintered.co.uk>
To: public-html@w3.org

w3c@appxweb.com wrote:

> Case 1
> <img src="../images/valid-xhtml10-blue.gif" alt="Valid XHTML 1.0
> Transitional" height="31" width="88"/>
> 
> Case 2
> <a href="http://validator.w3.org/check?uri=referer"
> style="float:right;"><img src="../images/valid-xhtml10-blue.gif"
> alt="Valid XHTML 1.0 Transitional" height="31" width="88"/></a>
> 
> In the first case the image is used as a icon to demonstrate the webpage 
> is valid  XHTML 1.0 and in the second it does this as well as providing a
> mechanism to validate the page (by clicking the image link). The alt 
> text  "Valid XHTML 1.0 Tansitional" does not adequately convey the 
> meaning of both of these cases  because the primary context is lost.  
> Trialling my suggestion you could have a  small list of alt types eg for 
> the img element  alt_icon, alt_button,alt_image, alt_graphic, 
> alt_figure, alt_photo, alt_screenshot, alt_banner, alt_masthead.  
> Applying this to the W3C Valid XHTML 1.0  Transitional image you would 
> have:
> 
> alt_icon="Valid XHTML 1.0  Transitional"  rendered as  "Icon:Valid XHTML 
> 1..0"
> 
> and
> 
> alt_button="Valid XHTML 1.0  Transitional"  rendered as "Button:Valid 
> XHTML 1.0"

(sorry, catching up with a few hundred emails on this list and just 
jumping in here, without looking at the whole thread)

Most (all?) screenreaders already announce whether something is a link 
or not, and (optionally, in some cases) whether something is a graphic. 
I believe that this is already handled at UA level.

P
-- 
Patrick H. Lauke
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Received on Monday, 23 July 2007 19:01:21 GMT

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