Import NetBSD vis(1) mandoc fixes

contrib/vis/vis.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: vis.1,v 1.17 2013/02/14 14:00:00 christos Exp $
+.\"	$NetBSD: vis.1,v 1.19 2013/03/14 19:17:23 njoly Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993, 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)vis.1	8.4 (Berkeley) 4/19/94
 .\"
-.Dd February 13, 2013
+.Dd February 19, 2013
 .Dt VIS 1
 .Os
 .Sh NAME
@@ -154,6 +154,7 @@ instead.
 .It Ev LC_CTYPE
 Specify the locale of the input data.
 Set to C if the input data locale is unknown.
+.El
 .Sh SEE ALSO
 .Xr unvis 1 ,
 .Xr svis 3 ,
@@ -164,6 +165,6 @@ The
 command appears in
 .Bx 4.4 .
 Myltibyte character support was added in
-.Nx 6.1
+.Nx 7.0
 and
 .Fx 9.2 .