[PATCH] patch: improve heuristics to not take the word "diff" as header (issue1879)

[Augie Fackler]

> On Nov 2, 2017, at 09:32, Yuya Nishihara <yuya at tcha.org> wrote:
> 
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1508572257 -32400
> #      Sat Oct 21 16:50:57 2017 +0900
> # Node ID 6798568fe43dc1e28a0c66c54217b563e1f2d5de
> # Parent  a7e49a5b3e6f38338660c0d98f9c593f70064e95
> patch: improve heuristics to not take the word "diff" as header (issue1879)


queued, thanks