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RE: Content Negotiation (was: Why an standalone image shall conform to WCAG 2.0?)

From: Gregg Vanderheiden <gv@trace.wisc.edu>
Date: Mon, 13 Feb 2006 12:35:31 -0600
To: "'Johannes Koch'" <koch@w3development.de>, <w3c-wai-gl@w3.org>
Message-ID: <00a701c630cc$480d9870$ee8cfea9@NC6000BAK>

Default is what you get if you don't ask for something different. 

Best of course is to have all forms be accessible.  

But I see your point.  One might think of default as also being what the
user gets if they don't do anything (but their browser does using it's
default settings).   



 -- ------------------------------ 
Gregg C Vanderheiden Ph.D. 
Professor - Ind. Engr. & BioMed Engr.
Director - Trace R & D Center 
University of Wisconsin-Madison 
The Player for my DSS sound file is at http://tinyurl.com/dho6b 

-----Original Message-----
From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org] On Behalf
Of Johannes Koch
Sent: Monday, February 13, 2006 10:25 AM
To: w3c-wai-gl@w3.org
Subject: Content Negotiation (was: Why an standalone image shall conform to
WCAG 2.0?)

Gregg Vanderheiden wrote:

> The working group decided that you can use content negotiation to get 
> an alternate inaccessible version but the default had to be accessible 
> since many user agents and users don't know how to do content negotiation.

Yes, many user don't know how to "do" content negotiation. However, servers
do content negotiation, even if the users don't know. A very large
proportion of user-agents lists at least some media types in the accept
header and puts at least one language in the accept-language header. So what
is the "default"? The variant that you get if no accept-
  or cookie headers were sent? This is _not_ what most users will get.
Johannes Koch
In te domine speravi; non confundar in aeternum.
                             (Te Deum, 4th cent.)
Received on Monday, 13 February 2006 18:35:42 UTC

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