ojwb> cworth: if you set the check_at_least parameter to the
database size, get_matches_estimated() will be exact
+Fix the threading of a message that has a References: header but no
+In-Reply-To: header (see id:"87lixxnxpb.fsf@yoom.home.cworth.org").
+
Search syntax
-------------
Implement support for "tag:*" to expand to all tags.
Add support for the user to specify custom headers to be indexed (and
re-index these for existing messages at the next database upgrade).
+Save filenames for files detected as "not an email file" in the
+database. This would allow for two things: 1. Optimizing "notmuch new"
+to not have to look at these files again (since they are potentially
+large so the detection could be potentially slow). 2. A "notmuch
+search" syntax could be added to allow the user to find these files,
+(and perhaps delete them or move them away as appropriate).
+
Test suite
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Achieve 100% test coverage with the test suite.