tree 7d79f1a5716f5ba170f2dea234b765f8bc7c976e
parent d1566f7883f727f38bf442af3fdb69d36e6fcea2
author Josh Triplett <josht@us.ibm.com> 1152924544 -0700
committer Junio C Hamano <junkio@cox.net> 1152934897 -0700

Add option to enable threading headers

Add a --thread option to enable generation of In-Reply-To and References
headers, used to make the second and subsequent mails appear as replies to the
first.

Signed-off-by: Josh Triplett <josh@freedesktop.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>