From ce3e6e6c76cc1cfca6d316eee86a713e5a145ba6 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Tue, 27 Jun 2017 12:18:00 +0000
Subject: warn about .Ns macros that have no effect because they are followed
 by an isolated closing delimiter; inspired by mdoclint

---
 mdoc_validate.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'mdoc_validate.c')

diff --git a/mdoc_validate.c b/mdoc_validate.c
index 08f23583..a7d91ec0 100644
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.343 2017/06/25 17:43:45 schwarze Exp $ */
+/*	$Id: mdoc_validate.c,v 1.344 2017/06/27 12:18:00 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -1983,10 +1983,13 @@ post_hyph(POST_ARGS)
 static void
 post_ns(POST_ARGS)
 {
+	struct roff_node	*n;
 
-	if (mdoc->last->flags & NODE_LINE)
+	n = mdoc->last;
+	if (n->flags & NODE_LINE ||
+	    (n->next != NULL && n->next->flags & NODE_DELIMC))
 		mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse,
-		    mdoc->last->line, mdoc->last->pos, NULL);
+		    n->line, n->pos, NULL);
 }
 
 static void
-- 
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