xdiff/xpatience: factor out fall-back-diff function
authorTay Ray Chuan <rctay89@gmail.com>
Thu, 7 Jul 2011 04:23:57 +0000 (12:23 +0800)
committerJunio C Hamano <gitster@pobox.com>
Thu, 7 Jul 2011 16:41:24 +0000 (09:41 -0700)
This is in preparation for the histogram diff algorithm, which will also
re-use much of the code to call the default Meyers diff algorithm.

Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
No differences found