http://tools.ietf.org/wg/httpbis/trac/ticket/37 Roy sort-of proposed deleting "present" in <http://lists.w3.org/Archives/Public/ietf-http-wg/2006OctDec/0090.html > In addition, I'd propose: * adding: "When a resource's representations vary, an origin server SHOULD include the Vary header even when the selecting header(s) are not present; otherwise, caches will use that representation inappropriately." * adding: "Caches MAY canonicalise request headers before comparing them for purposes of determining whether they match during variant selection." -- Mark Nottingham http://www.mnot.net/Received on Monday, 28 July 2008 15:19:23 UTC
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