===================================================================
RCS file: /cvs/mandoc/tbl_term.c,v
retrieving revision 1.56
retrieving revision 1.57
diff -u -p -r1.56 -r1.57
--- mandoc/tbl_term.c	2017/07/08 13:43:15	1.56
+++ mandoc/tbl_term.c	2017/07/31 16:14:10	1.57
@@ -1,4 +1,4 @@
-/*	$Id: tbl_term.c,v 1.56 2017/07/08 13:43:15 schwarze Exp $ */
+/*	$Id: tbl_term.c,v 1.57 2017/07/31 16:14:10 schwarze Exp $ */
 /*
  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011,2012,2014,2015,2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -51,7 +51,10 @@ static	void	tbl_word(struct termp *, const struct tbl_
 static size_t
 term_tbl_sulen(const struct roffsu *su, void *arg)
 {
-	return term_hen((const struct termp *)arg, su);
+	int	 i;
+
+	i = term_hen((const struct termp *)arg, su);
+	return i > 0 ? i : 0;
 }
 
 static size_t