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Re: i37: Vary and non-existant headers

From: Roy T. Fielding <fielding@gbiv.com>
Date: Wed, 6 May 2009 18:32:22 -0700
Message-Id: <05A384E7-D266-4389-9D41-F0AD27173F93@gbiv.com>
Cc: Mark Nottingham <mnot@mnot.net>, Julian Reschke <julian.reschke@gmx.de>, HTTP Working Group <ietf-http-wg@w3.org>
To: David Morris <dwm@xpasc.com>
On May 6, 2009, at 5:38 PM, David Morris wrote:
> On Thu, 7 May 2009, Mark Nottingham wrote:
>> and adding this to the subsequent paragraph (defining what it  
>> means to match):
>>
>> If a header field is absent from a a request, it can only match  
>> another request if it is also absent there.
>>
> Any reason we can't make an empty value == to absent for this purpose?

Because they don't mean the same thing in HTTP.

....Roy
Received on Thursday, 7 May 2009 01:32:34 GMT

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