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Re: i37: Vary and non-existant headers

From: Julian Reschke <julian.reschke@gmx.de>
Date: Tue, 29 Jul 2008 20:28:46 +0200
Message-ID: <488F615E.1040705@gmx.de>
To: Mark Nottingham <mnot@mnot.net>
CC: Brian Smith <brian@briansmith.org>, 'HTTP Working Group' <ietf-http-wg@w3.org>

Mark Nottingham wrote:
>> I think it would be better to say: "For each request URI, an origin 
>> server
>> SHOULD return the same Vary header field value for every request." In 
>> this
>> way, the Vary header is not just a response header but a "resource 
>> header".
> That is exactly how Vary doesn't work, and the interpretation that we're 
> trying to avoid.


>> Clients, intermediaries, and servers should always be able to 
>> canonicalize
>> headers in any situation. Putting a specific statement about it here 
>> imples
>> there are some cases in which canonicalization is not allowed. I suggest
>> leaving this part out.
> Enough people have had questions about this that it's worthwhile calling 
> out explicitly, AFAICT.
> Others?

I'd put it in; but maybe the topic could be mentioned in a more generic 
context again.

BR, Julian
Received on Tuesday, 29 July 2008 18:29:28 UTC

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