From: Stefan Beller <sbeller@google.com>
Date: Wed, 25 Oct 2017 18:49:11 +0000 (-0700)
Subject: xdiff-interface: export comparing and hashing strings
X-Git-Tag: v2.15.1~38^2~1
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/5ec8274b8424f76bf998059e66facff1b241337e?hp=5ec8274b8424f76bf998059e66facff1b241337e

xdiff-interface: export comparing and hashing strings

This will turn out to be useful in a later patch.

xdl_recmatch is exported in xdiff/xutils.h, to be used by various
xdiff/*.c files, but not outside of xdiff/. This one makes it available
to the outside, too.

While at it, add documentation.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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