===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cu/cu.1,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- src/usr.bin/cu/cu.1	2012/07/12 13:11:46	1.6
+++ src/usr.bin/cu/cu.1	2012/07/15 06:55:28	1.7
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: cu.1,v 1.6 2012/07/12 13:11:46 nicm Exp $
+.\"	$OpenBSD: cu.1,v 1.7 2012/07/15 06:55:28 nicm Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)tip.1	8.4 (Berkeley) 4/18/94
 .\"
-.Dd $Mdocdate: July 12 2012 $
+.Dd $Mdocdate: July 15 2012 $
 .Dt CU 1
 .Os
 .Sh NAME
@@ -123,6 +123,8 @@
 1 \*(Lt-\*(Gt remote tty out
 2 \*(Lt-\*(Gt local tty stderr
 .Ed
+.It Ic ~D
+Deassert the data terminal ready (DTR) line briefly.
 .It Ic ~R
 Record all output from the remote system to a file.
 If the given file already exists, it is appended to.