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Re: First Public WD of XMLHttpRequest released

From: Jonas Sicking <jonas@sicking.cc>
Date: Wed, 05 Apr 2006 14:22:53 -0700
Message-ID: <4434352D.2000806@sicking.cc>
To: Jim Ley <jim@jibbering.com>
Cc: Public Web API <public-webapi@w3.org>

Jim Ley wrote:
> "UAs MAY set the Accept-Charset and Accept-Encoding headers and MUST NOT 
> allow them to be overridden. "
> No motivation has been provided for the above restriction - I have a use 
> case in accessibility repair tools where the error is only in a 
> particular encoding, I want to be able to recreate the request that 
> gives that encoding, thus I need to be able to change Q-values.

I think the motivation was that the UA should never claim to support a 
charset that it does not in fact support, since the UA is the one that 
deals with charsets before passing on anything to the script. Maybe it 
would be enough to say that SetHeader MUST not be allowed to expand on 
the header, but is allow to reduce it.

All of the above applies to encoding too of course.

/ Jonas
Received on Wednesday, 5 April 2006 21:22:58 UTC

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