t / t5100 / info0018on commit rebase -i: do not invent onelines when expanding/collapsing SHA-1s (1f4044a)
   1Author: Another Thor
   2Email: a.thor@example.com
   3Subject: This one contains a tab and a space
   4Date: Fri, 9 Jun 2006 00:44:16 -0700
   5