===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.1,v
retrieving revision 1.642
retrieving revision 1.643
diff -c -r1.642 -r1.643
*** src/usr.bin/tmux/tmux.1	2019/05/02 20:12:40	1.642
--- src/usr.bin/tmux/tmux.1	2019/05/03 20:44:24	1.643
***************
*** 1,4 ****
! .\" $OpenBSD: tmux.1,v 1.642 2019/05/02 20:12:40 nicm Exp $
  .\"
  .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
  .\"
--- 1,4 ----
! .\" $OpenBSD: tmux.1,v 1.643 2019/05/03 20:44:24 nicm Exp $
  .\"
  .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
  .\"
***************
*** 14,20 ****
  .\" 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: May 2 2019 $
  .Dt TMUX 1
  .Os
  .Sh NAME
--- 14,20 ----
  .\" 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: May 3 2019 $
  .Dt TMUX 1
  .Os
  .Sh NAME
***************
*** 2204,2210 ****
  the command behaves like
  .Ic last-window .
  .It Xo Ic split-window
! .Op Fl bdfhvP
  .Op Fl c Ar start-directory
  .Op Fl e Ar environment
  .Oo Fl l
--- 2204,2210 ----
  the command behaves like
  .Ic last-window .
  .It Xo Ic split-window
! .Op Fl bdfhIvP
  .Op Fl c Ar start-directory
  .Op Fl e Ar environment
  .Oo Fl l
***************
*** 2240,2245 ****
--- 2240,2263 ----
  or full window width (with
  .Fl v ) ,
  instead of splitting the active pane.
+ .Pp
+ An empty
+ .Ar shell-command
+ ('') will create a pane with no command running in it.
+ Output can be sent to such a pane with the
+ .Ic display-message
+ command.
+ The
+ .Fl I
+ flag (if
+ .Ar shell-command
+ is not specified or empty)
+ will create an empty pane and forward any output from stdin to it.
+ For example:
+ .Bd -literal -offset indent
+ $ make 2>&1|tmux splitw -dI &
+ .Ed
+ .Pp
  All other options have the same meaning as for the
  .Ic new-window
  command.
***************
*** 2822,2828 ****
  is used as a login shell.
  .It Ic default-size Ar XxY
  Set the default size of new windows when the
! .Ar window-size
  option is set to manual or when a session is created with
  .Ic new-session
  .Fl d .
--- 2840,2846 ----
  is used as a login shell.
  .It Ic default-size Ar XxY
  Set the default size of new windows when the
! .Ic window-size
  option is set to manual or when a session is created with
  .Ic new-session
  .Fl d .
***************
*** 4428,4434 ****
  This command works only from inside
  .Nm .
  .It Xo Ic display-message
! .Op Fl apv
  .Op Fl c Ar target-client
  .Op Fl t Ar target-pane
  .Op Ar message
--- 4446,4452 ----
  This command works only from inside
  .Nm .
  .It Xo Ic display-message
! .Op Fl aIpv
  .Op Fl c Ar target-client
  .Op Fl t Ar target-pane
  .Op Ar message
***************
*** 4455,4460 ****
--- 4473,4482 ----
  prints verbose logging as the format is parsed and
  .Fl a
  lists the format variables and their values.
+ .Pp
+ .Fl I
+ forwards any input read from stdin to the empty pane given by
+ .Ar target-pane .
  .El
  .Sh BUFFERS
  .Nm