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Re: internet media types and encoding

From: Tim Bray <tbray@textuality.com>
Date: Tue, 08 Apr 2003 09:03:07 -0700
Message-ID: <3E92F2BB.1080708@textuality.com>
To: Rick Jelliffe <ricko@topologi.com>
Cc: www-tag@w3.org

Rick Jelliffe wrote:
> Chris Lilley <chris@w3.org>
>>- request a modification the +XML media type registration to state that
>>encoding information MUST NOT be supplied by the server unless it is
>>known to be correct and agrees with any internal encoding information
>>in the content.
> IIRC the extra thing to keep in mind is Japanese dumb transcoding proxies,
> which may transcode text/* without rewriting the headers. AFAIK
> they are the only thing that may make it desirable to favour any explicit
> MIME header charset over the XML encoding PI.   Maybe some
> Japanese expert can comment on whether they are still a factor to
> be considered. 

Of course the real point here is that if you're a web server and you 
fish something of type */*+xml off the disk, PLEASE don't insert a 
guessed-at charset.

As regards the transcoders, that problem could also be made to go away 
by deprecating text/*xml, which we should do anyway.
Cheers, Tim Bray
         (ongoing fragmented essay: http://www.tbray.org/ongoing/)
Received on Tuesday, 8 April 2003 12:03:08 UTC

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