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xdiff: Match GNU diff behaviour when deciding hunk comment worthiness of lines
This removes the '#' and '(' tests and adds a '$' test instead although I have no idea what it is actually good for - but hey, if that's what GNU diff does... Pasky only went and did as Junio sayeth. Signed-off-by: Petr Baudis <pasky@suse.cz> Signed-off-by: Junio C Hamano <junkio@cox.net>
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@ -86,8 +86,7 @@ static void xdl_find_func(xdfile_t *xf, long i, char *buf, long sz, long *ll) {
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if (len > 0 &&
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(isalpha((unsigned char)*rec) || /* identifier? */
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*rec == '_' || /* also identifier? */
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*rec == '(' || /* lisp defun? */
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*rec == '#')) { /* #define? */
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*rec == '$')) { /* mysterious GNU diff's invention */
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if (len > sz)
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len = sz;
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while (0 < len && isspace((unsigned char)rec[len - 1]))
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