===================================================================
RCS file: /cvs/mandoc/read.c,v
retrieving revision 1.172
retrieving revision 1.173
diff -u -p -r1.172 -r1.173
--- mandoc/read.c	2017/06/07 23:29:48	1.172
+++ mandoc/read.c	2017/06/08 00:23:30	1.173
@@ -1,4 +1,4 @@
-/*	$Id: read.c,v 1.172 2017/06/07 23:29:48 schwarze Exp $ */
+/*	$Id: read.c,v 1.173 2017/06/08 00:23:30 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -177,6 +177,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = 
 	"unknown AT&T UNIX version",
 	"comma in function argument",
 	"parenthesis in function name",
+	"unknown library name",
 	"invalid content in Rs block",
 	"invalid Boolean argument",
 	"unknown font, skipping request",