===================================================================
RCS file: /cvs/mandoc/read.c,v
retrieving revision 1.50
retrieving revision 1.51
diff -u -p -r1.50 -r1.51
--- mandoc/read.c	2014/06/20 23:02:31	1.50
+++ mandoc/read.c	2014/06/21 22:24:01	1.51
@@ -1,4 +1,4 @@
-/*	$Id: read.c,v 1.50 2014/06/20 23:02:31 schwarze Exp $ */
+/*	$Id: read.c,v 1.51 2014/06/21 22:24:01 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -210,7 +210,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = 
 	"static buffer exhausted",
 
 	/* system errors */
-	"cannot open file",
+	NULL,
 	"cannot stat file",
 	"cannot read file",
 };