From e16f33ffa196e897ff89b90138f8ebb37efdb896 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Sat, 27 Jun 2015 13:29:14 +0000
Subject: Ignore blank characters at the beginning of a conditional block, that
 is, after "\{". Issue found by Markus <Waldeck at gmx dot de> in bash(1).

---
 roff.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/roff.c b/roff.c
index 0dfcb46c..3123d8f3 100644
--- a/roff.c
+++ b/roff.c
@@ -1,4 +1,4 @@
-/*	$Id: roff.c,v 1.271 2015/05/31 23:13:22 schwarze Exp $ */
+/*	$Id: roff.c,v 1.272 2015/06/27 13:29:14 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
@@ -2265,6 +2265,8 @@ roff_cond(ROFF_ARGS)
 	if (buf->buf[pos] == '\\' && buf->buf[pos + 1] == '{') {
 		r->last->endspan = -1;
 		pos += 2;
+		while (buf->buf[pos] == ' ')
+			pos++;
 		goto out;
 	}
 
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