What you'll probably find is that, of the messages in those threads, some match tag:inbox, and some match tag:unread, but none match both. Notmuch's search returns threads that have matching messages, not matching threads.
On Fri, Feb 10, 2012 at 23:37, Bhaskara Marthi <bhask...@gmail.com> wrote: > Either I have the search syntax wrong or there's a bug somewhere. Is this > not how to combine multiple tags? The output of the first invocation shows > that there exist threads tagged both inbox and unread, but the second > invocation does not find them. > - Bhaskara > > $ notmuch search $(date +%s -d 2012-02-09)..$(date +%s) tag:inbox | grep > unread > thread:000000000000ff28 Today 12:41 [3/4] Mac Mason, Bhaskara Marthi; I'm > getting a build failure (inbox unread) > thread:000000000000ec68 Yest. 09:32 [1/6] Gonçalo Cabrita| Ken Conley; > [ros-users] serial_communication release (inbox unread) > $ notmuch search tag:inbox and tag:unread > $ > > > _______________________________________________ > notmuch mailing list > notmuch@notmuchmail.org > http://notmuchmail.org/mailman/listinfo/notmuch > _______________________________________________ notmuch mailing list notmuch@notmuchmail.org http://notmuchmail.org/mailman/listinfo/notmuch