Changeset 2579 for draft-ietf-httpbis/latest/p2-semantics.xml
- Timestamp:
- 24/01/14 10:19:57 (9 years ago)
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- 1 edited
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draft-ietf-httpbis/latest/p2-semantics.xml
r2578 r2579 1019 1019 </t> 1020 1020 <t> 1021 An origin server &MAY; generate a <x:ref>Vary</x:ref> header field 1022 (<xref target="header.vary"/>) in a response if it wishes to indicate what 1023 fields of request information were used in its selection algorithm. This 1024 informs recipients that sending more information might be useful in future 1025 requests. It also warns caches not to reuse that response, until 1026 reconfirmed by the origin server, for a request that contains different 1027 information in those fields. 1021 A <x:ref>Vary</x:ref> header field (<xref target="header.vary"/>) is 1022 often sent in a response subject to proactive negotiation to indicate what 1023 parts of the request information were used in the selection algorithm. 1028 1024 </t> 1029 1025 </section>
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