+ Note: Notmuch will work best with Xapian 1.0.18 (or later) or
+ Xapian 1.1.4 (or later). Previous versions of Xapian (whether
+ 1.0 or 1.1) had a performance bug that made notmuch very slow
+ when modifying tags. This would cause distracting pauses when
+ reading mail while notmuch would wait for Xapian when removing
+ the "inbox" and "unread" tags from messages in a thread.
+
+ GMime 2.4 or 2.6
+ ----------------
+ GMime provides decoding of MIME email messages for Notmuch.