From f7a9b7fe3a8d9fa124d5d279db4d2a2ffb3686b3 Mon Sep 17 00:00:00 2001
From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Mon, 30 Sep 2002 13:25:00 +0000
Subject: [PATCH] Allow a left parenthesis before patterns in case blocks.
 POSIX requires us to accept this, but I've never seen a script that uses it.

---
 bin/sh/parser.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bin/sh/parser.c b/bin/sh/parser.c
index 8a2e988c85e3..69d64055b37f 100644
--- a/bin/sh/parser.c
+++ b/bin/sh/parser.c
@@ -433,6 +433,8 @@ TRACE(("expecting DO got %s %s\n", tokname[got], got == TWORD ? wordtext : ""));
 			*cpp = cp = (union node *)stalloc(sizeof (struct nclist));
 			cp->type = NCLIST;
 			app = &cp->nclist.pattern;
+			if (lasttoken == TLP)
+				readtoken();
 			for (;;) {
 				*app = ap = (union node *)stalloc(sizeof (struct narg));
 				ap->type = NARG;