userdiff: remove empty subexpression from elixir regex
The regex failed to compile on FreeBSD.
Also add /* -- */ mark to separate the two regex entries given to
the PATTERNS() macro, to make it consistent with patterns for other
content types.
Signed-off-by: Ed Maste <emaste@FreeBSD.org>
Reviewed-by: Jeff King <peff@peff.net>
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/userdiff.c b/userdiff.c
index 577053c..0eb34bc 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -34,8 +34,9 @@ PATTERNS("dts",
"|[-+*/%&^|!~]|>>|<<|&&|\\|\\|"),
PATTERNS("elixir",
"^[ \t]*((def(macro|module|impl|protocol|p)?|test)[ \t].*)$",
+ /* -- */
/* Atoms, names, and module attributes */
- "|[@:]?[a-zA-Z0-9@_?!]+"
+ "[@:]?[a-zA-Z0-9@_?!]+"
/* Numbers with specific base */
"|[-+]?0[xob][0-9a-fA-F]+"
/* Numbers */
