===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.1,v
retrieving revision 1.149
retrieving revision 1.150
diff -u -r1.149 -r1.150
--- src/usr.bin/tmux/tmux.1	2010/02/07 20:33:27	1.149
+++ src/usr.bin/tmux/tmux.1	2010/02/08 00:14:38	1.150
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.149 2010/02/07 20:33:27 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.150 2010/02/08 00:14:38 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 .\"
@@ -14,7 +14,7 @@
 .\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 .\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: February 7 2010 $
+.Dd $Mdocdate: February 8 2010 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -1897,6 +1897,19 @@
 .Xc
 Duplicate input to any pane to all other panes in the same window, except
 for panes that are not in output mode.
+.Pp
+.It Xo Ic alternate-screen
+.Op Ic on | off
+.Xc
+This option configures whether programs running inside
+.Nm
+may use the terminal alternate screen feature, which allows the
+.Em smcup
+and
+.Em rmcup
+.Xr terminfo 5
+capabilities to be issued to preserve the existing window content on start and
+restore it on exit.
 .Pp
 .It Xo Ic utf8
 .Op Ic on | off