Mu/mu4e uses the Xapian database engine, which indexes the text, and sees
'.' (and few other things) a word separators. Mu tries a few tricks, but
ultimately this cannot easily be fixed without changing Xapian; see e.g.
http://trac.xapian.org/ticket/113
Sorry...
Dirk.
--
Dirk-Jan C. Binnema Helsinki, Finland
e:dj...@djcbsoftware.nl w:
www.djcbsoftware.nl
pgp: D09C E664 897D 7D39 5047 A178 E96A C7A1 017D DA3C