On tis, 2007-09-18 at 19:40 +0200, Roy T.Fielding wrote: > Argued? The space does not change the value of the field (which is > a comma-separated list). The question is really up to us as to how > much effort we make to compare the values for equality, since the > non-match just makes our cache slow and bulky. Given the number > of those browsers, we should special-case this comparison.
And there is also RFC2616 13.6 Caching Negotiated Responses which tells you to use If-None-Match to avoid fetching multiple copies only because of slight variations in Vary indicated request headers.. Regards Henrik
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