Swiki: no-cache and <pre>
Randal L. Schwartz
merlyn at stonehenge.com
Fri Mar 3 15:41:06 UTC 2000
>>>>> "Bert" == Bert Freudenberg <bert at isgnw.CS.Uni-Magdeburg.De> writes:
Bert> Actually, there was a discussion about a year ago. Since then, the swiki
Bert> sends pages with these three header lines:
Bert> Expires: 0
Bert> Pragma: no-cache
Bert> Cache-Control: no cache
I'd remove "Pragma: no-cache". It's just voodoo programing, and has
no effect except to perpetuate the myth that it *does* something. And
the parameter of "Expires:" I believe has to be an actual date/time,
not just a 0. And, to hit 3-for-3 here, I dunno if it's a typo, but
you need "no-cache" on that "Cache-control". :)
Bert> In PWSSwiki this was only done for "edit" requests, because it is fatal
Bert> if you edit an old version. In ComSwiki, these three lines are always
Bert> sent. Hopefully, the next ComSwiki version will support a real
Bert> "Last-modified" header as well as the "HEAD" method.
--
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