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

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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>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Petr Baudis 2006-10-25 02:28:55 +02:00 committed by Junio C Hamano
parent 6e7d76baee
commit 70da769a46
1 changed files with 1 additions and 2 deletions
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xdiff/xemit.c
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@ -86,8 +86,7 @@ static void xdl_find_func(xdfile_t *xf, long i, char *buf, long sz, long *ll) {
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;
while (0 < len && isspace((unsigned char)rec[len - 1]))