t / t5100 / info0009on commit mailinfo: add explicit test for mails like '<a.u.thor@example.com> (A U Thor)' (806d5e9)
   1Author: F U Bar
   2Email: f.u.bar@example.com
   3Subject: updates
   4Date: Mon, 17 Sep 2001 00:00:00 +0900
   5