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Committer:
Colin Watson
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Date:
2021-03-23 13:35:54 UTC
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Revision ID:
cjwatson@canonical.com-20210323133554-8nhde9rx4wp1tfgo
Send "Pragma: no-cache" when checking version header.
Some sites (e.g. qastaging.launchpad.net) are behind a cache that may
require some help to notice when the version header changes. Make some
effort to avoid this.