===================================================================
RCS file: /cvs/mandoc/roff.7,v
retrieving revision 1.83
retrieving revision 1.84
diff -u -p -r1.83 -r1.84
--- mandoc/roff.7	2017/06/04 00:13:15	1.83
+++ mandoc/roff.7	2017/06/04 22:44:15	1.84
@@ -1,4 +1,4 @@
-.\"	$Id: roff.7,v 1.83 2017/06/04 00:13:15 schwarze Exp $
+.\"	$Id: roff.7,v 1.84 2017/06/04 22:44:15 schwarze Exp $
 .\"
 .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010,2011,2013-2015,2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -1296,7 +1296,9 @@ Set title line length.
 Currently ignored.
 .It Ic \&mc Ar glyph Op Ar dist
 Print margin character in the right margin.
-Currently ignored.
+The
+.Ar dist
+is currently ignored; instead, 1n is used.
 .It Ic \&mediasize Ar media
 Set the device media size.
 This is a Heirloom extension and currently ignored.