From 58ec1de730c493d7dac46e9e8c77b5551fcc8df3 Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Thu, 12 Mar 2009 15:55:11 +0000
Subject: NetBSD '.[[:whitespace:]]*' properly handled. mdoc.3 indicates
 compatibilities and bugs.

---
 mdoc.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'mdoc.c')

diff --git a/mdoc.c b/mdoc.c
index 9c25faaf..719434ae 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -1,4 +1,4 @@
-/* $Id: mdoc.c,v 1.62 2009/03/12 02:57:36 kristaps Exp $ */
+/* $Id: mdoc.c,v 1.63 2009/03/12 15:55:11 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -520,7 +520,19 @@ parsemacro(struct mdoc *m, int ln, char *buf)
 	int		  i, c;
 	char		  mac[5];
 
-	/* Comments are quickly ignored. */
+	/* Comments and empties are quickly ignored. */
+
+	if (0 == buf[1])
+		return(1);
+
+	if (isspace((unsigned char)buf[1])) {
+		i = 2;
+		while (buf[i] && isspace((unsigned char)buf[i]))
+			i++;
+		if (0 == buf[i])
+			return(1);
+		return(mdoc_perr(m, ln, 1, "invalid syntax"));
+	}
 
 	if (buf[1] && '\\' == buf[1])
 		if (buf[2] && '\"' == buf[2])
-- 
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