2020-11-09 21:59:30 +00:00
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This page is also available at [gemini://twins.rocketnine.space/proposals.gmi](gemini://twins.rocketnine.space/proposals.gmi)
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The following proposals add fields to the response header of successful
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requests.
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Standard successful response header (for comparison):
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```
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20 text/gemini; charset=utf-8
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```
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These additions are backwards-compatible as specified in [RFC 2045](https://tools.ietf.org/html/rfc2045):
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> MIME implementations must ignore any parameters whose names they do not recognize.
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The terms MAY, SHOULD and SHOULD NOT are defined in [RFC 2119](https://tools.ietf.org/html/rfc2119).
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# Cache
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Gemini servers MAY include a duration (in seconds) which a client SHOULD cache
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a resource when the request is successful. When a cache duration of 0 or
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less is provided, clients SHOULD NOT cache the resource.
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Cache for one week:
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```
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20 text/gemini; charset=utf-8; cache=604800
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```
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Do not cache:
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```
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20 text/gemini; charset=utf-8; cache=0
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```
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2020-11-10 05:12:22 +00:00
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# Size
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Gemini servers SHOULD include the size (in bytes) of the response body when the
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request is successful. Clients SHOULD utilize this information when downloading
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files to indicate progress.
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```
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20 text/gemini; charset=utf-8; size=1108
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```
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