[PATCH] xdiff: Match GNU diff behaviour when deciding hunk comment worthiness of lines

From: Petr Baudis <pasky@suse.cz>
Date: Oct 25, 2006, 00:28 UTC
Message-ID: <20061025002855.4738.1088.stgit@machine.or.cz>
In-Reply-To: <7vmz7lfdwj.fsf@assigned-by-dhcp.cox.net>

This removes the '#' and '(' tests and adds a '$' test instead although I have no idea what it is actually good for - but hey, if that's what GNU diff does...

Pasky only went and did as Junio sayeth.

Signed-off-by: Petr Baudis <pasky@suse.cz>
---

 xdiff/xemit.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 714c563..4139d55 100644
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -86,8 +86,7 @@ static void xdl_find_func(xdfile_t *xf, 
 		if (len > 0 &&
 		    (isalpha((unsigned char)*rec) || /* identifier? */
 		     *rec == '_' ||	/* also identifier? */
-		     *rec == '(' ||	/* lisp defun? */
-		     *rec == '#')) {	/* #define? */
+		     *rec == '$')) {	/* mysterious GNU diff's invention */
 			if (len > sz)
 				len = sz;