IMAP/WITHIN support in Archiveopteryx

The WITHIN extension extends the SEARCH command to search for messages which are older or younger than a specified limit. This makes very little difference at first, but when WITHIN is used with mailbox views, it can be very useful. "UNREAD OLDER 604800" is a simple search for all unread mail older than one week (604800 seconds).

The WITHIN extension is part of the LEMONADE group of extensions.

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Last modified: 2010-11-19