Re: i37: Vary and non-existant headers

For my dense brain, could you provide an explicit example of a header 
which would have a different meaning?

On Wed, 6 May 2009, Roy T. Fielding wrote:

> 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 03:35:53 UTC