===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.1,v
retrieving revision 1.871
retrieving revision 1.872
diff -u -r1.871 -r1.872
--- src/usr.bin/tmux/tmux.1	2021/11/11 09:22:33	1.871
+++ src/usr.bin/tmux/tmux.1	2021/12/10 12:45:32	1.872
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.871 2021/11/11 09:22:33 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.872 2021/12/10 12:45:32 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 .\"
@@ -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: November 11 2021 $
+.Dd $Mdocdate: December 10 2021 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -6292,6 +6292,11 @@
 .Bd -literal -offset indent
 $ printf '\e033]12;red\e033\e\e'
 .Ed
+.Pp
+The colour is an
+.Xr X 7
+colour, see
+.Xr XParseColor 3 .
 .It Em \&Cmg, \&Clmg, \&Dsmg , \&Enmg
 Set, clear, disable or enable DECSLRM margins.
 These are set automatically if the terminal reports it is