t / t5100 / comment.expecton commit diff.c: emit_diff_symbol learns DIFF_SYMBOL_REWRITE_DIFF (5af6ea9)
   1Author: A U Thor (this is (really) a comment (honestly))
   2Email: somebody@example.com
   3Subject: testing comments
   4Date: Sun, 25 May 2008 00:38:18 -0700
   5