===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.1,v
retrieving revision 1.766
retrieving revision 1.767
diff -u -r1.766 -r1.767
--- src/usr.bin/tmux/tmux.1	2020/05/16 16:02:24	1.766
+++ src/usr.bin/tmux/tmux.1	2020/05/16 16:07:55	1.767
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.766 2020/05/16 16:02:24 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.767 2020/05/16 16:07:55 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 .\"
@@ -23,7 +23,7 @@
 .Sh SYNOPSIS
 .Nm tmux
 .Bk -words
-.Op Fl 2CluvV
+.Op Fl 2CDluvV
 .Op Fl c Ar shell-command
 .Op Fl f Ar file
 .Op Fl L Ar socket-name
@@ -122,6 +122,17 @@
 when
 .Nm
 is used as a login shell.
+.It Fl D
+Do not start the
+.Nm
+server as a daemon.
+This also turns the
+.Ic exit-empty
+option off.
+With
+.Fl D ,
+.Ar command
+may not be specified.
 .It Fl f Ar file
 Specify an alternative configuration file.
 By default,