Merge branch 'hv/doc-commit-reference-style'
authorJunio C Hamano <gitster@pobox.com>
Thu, 25 Aug 2016 20:55:05 +0000 (13:55 -0700)
committerJunio C Hamano <gitster@pobox.com>
Thu, 25 Aug 2016 20:55:06 +0000 (13:55 -0700)
A small doc update.

* hv/doc-commit-reference-style:
SubmittingPatches: document how to reference previous commits

Trivial merge