===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cu/cu.1,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- src/usr.bin/cu/cu.1	2012/07/10 11:42:02	1.4
+++ src/usr.bin/cu/cu.1	2012/07/10 12:47:23	1.5
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: cu.1,v 1.4 2012/07/10 11:42:02 nicm Exp $
+.\"	$OpenBSD: cu.1,v 1.5 2012/07/10 12:47:23 nicm Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -123,6 +123,10 @@
 1 \*(Lt-\*(Gt remote tty out
 2 \*(Lt-\*(Gt local tty stderr
 .Ed
+.It Ic ~R
+Record all output from the remote system to a file.
+If the given file already exists, it is appended to.
+If no file is specified, any existing recording is stopped.
 .It Ic ~S
 Change the speed of the connection.
 .It Ic ~X