From cd37e27b9cf9f352216f9238b796274bbe24945b Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Wed, 22 Feb 2017 08:54:41 +0000
Subject: Handle an odd edge case where .It is preceded by .Sm. NULL
 dereference in man.cgi reported by Gabriel Guzman <gabe at guzman dash nunez
 dot com> on misc@.

---
 mdoc_html.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'mdoc_html.c')

diff --git a/mdoc_html.c b/mdoc_html.c
index e8245141..d3b63b96 100644
--- a/mdoc_html.c
+++ b/mdoc_html.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_html.c,v 1.271 2017/02/16 03:00:23 schwarze Exp $ */
+/*	$Id: mdoc_html.c,v 1.272 2017/02/22 08:54:41 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -751,6 +751,7 @@ mdoc_it_pre(MDOC_ARGS)
 		case ROFFT_HEAD:
 			if (h->style != NULL && !bl->norm->Bl.comp &&
 			    (n->parent->prev == NULL ||
+			     n->parent->prev->body == NULL ||
 			     n->parent->prev->body->child != NULL)) {
 				t = print_otag(h, TAG_DT, "csWl",
 				    cattr, bl->norm->Bl.width);
-- 
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