===================================================================
RCS file: /cvs/mandoc/read.c,v
retrieving revision 1.171
retrieving revision 1.172
diff -u -p -r1.171 -r1.172
--- mandoc/read.c	2017/06/06 15:01:04	1.171
+++ mandoc/read.c	2017/06/07 23:29:48	1.172
@@ -1,4 +1,4 @@
-/*	$Id: read.c,v 1.171 2017/06/06 15:01:04 schwarze Exp $ */
+/*	$Id: read.c,v 1.172 2017/06/07 23:29:48 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -90,6 +90,8 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = 
 
 	"useless macro",
 	"consider using OS macro",
+	"errnos out of order",
+	"duplicate errno",
 	"description line ends with a full stop",
 
 	"generic warning",