Accept-Datetime header field in HTTP
I found on wikipedia that the Accept-Datetime header field is "an acceptable time version".
I don't understand what is the meaning of this field and what does it actually provide?
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Accept-Datetime
header is an HTTP header, not HTML. This is not a standard header according to the HTTP specification . You should consult for specific descriptions of this header in relevant drafts or documentation such as informational RFC 7089 , which describes it as follows:
The "Accept-Datetime" request header is passed by the user agent to indicate that it wants to access the past state of the original resource. To this end, the "Accept-Datetime" header is sent over the HTTP request against TimeGate for the original resource, and its value indicates the date and time of the desired past state of the original resource.
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