t / t5100 / info0015--no-inbody-headerson commit rebase --rebase-merges: root commits can be cousins, too (8fa6eea)
   1Author: A U Thor
   2Email: a.u.thor@example.com
   3Subject: check bogus body header (from)
   4Date: Fri, 9 Jun 2006 00:44:16 -0700
   5