From 1193a9f5cfb0cbb5a35ccca02a5968b39620f1db Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Sat, 3 Apr 2010 14:25:12 +0000
Subject: Merged patch by Ingo Schwarze allowing `Xr' to pass through with no
 arguments (emits warning of course).

---
 mdoc_html.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'mdoc_html.c')

diff --git a/mdoc_html.c b/mdoc_html.c
index b6d6e8a5..7c99cad8 100644
--- a/mdoc_html.c
+++ b/mdoc_html.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_html.c,v 1.55 2010/03/29 19:28:04 kristaps Exp $ */
+/*	$Id: mdoc_html.c,v 1.56 2010/04/03 14:25:12 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -756,6 +756,9 @@ mdoc_xr_pre(MDOC_ARGS)
 	struct htmlpair	 	 tag[2];
 	const struct mdoc_node	*nn;
 
+	if (NULL == n->child)
+		return(0);
+
 	PAIR_CLASS_INIT(&tag[0], "link-man");
 
 	if (h->base_man) {
-- 
cgit v1.2.3