Changeset 1161 for draft-ietf-httpbis/latest/p4-conditional.xml
- Timestamp:
- 11/03/11 05:37:52 (11 years ago)
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- 1 edited
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draft-ietf-httpbis/latest/p4-conditional.xml
r1145 r1161 802 802 representation exists, the server &MUST-NOT; perform the requested method, and 803 803 &MUST; return a 412 (Precondition Failed) response. This behavior is 804 most useful when the client wants to prevent an updating method, such805 as PUT, from modifying a resource that has changed since the client804 most useful when the client wants to prevent an updating request method, 805 such as PUT, from modifying a resource that has changed since the client 806 806 last retrieved it. 807 807 </t> … … 812 812 </t> 813 813 <t> 814 The meaning of "If-Match: *" is that the method &SHOULD; be performed814 The meaning of "If-Match: *" is that the request method &SHOULD; be performed 815 815 if the representation selected by the origin server (or by a cache, 816 816 possibly using the Vary mechanism, see &header-vary;) exists, and … … 937 937 <t> 938 938 This allows efficient updates of cached information with a minimum amount of 939 transaction overhead. It is also used to prevent a method (e.g., PUT)939 transaction overhead. It is also used to prevent a request method (e.g., PUT) 940 940 from inadvertently modifying an existing resource when the client 941 941 believes that the resource does not exist. … … 978 978 </t> 979 979 <t> 980 The meaning of "If-None-Match: *" is that the method &MUST-NOT; be980 The meaning of "If-None-Match: *" is that the request method &MUST-NOT; be 981 981 performed if the representation selected by the origin server (or by 982 982 a cache, possibly using the Vary mechanism, see &header-vary;)
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