===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.1,v
retrieving revision 1.942
retrieving revision 1.943
diff -c -r1.942 -r1.943
*** src/usr.bin/tmux/tmux.1	2024/05/14 07:40:39	1.942
--- src/usr.bin/tmux/tmux.1	2024/05/14 07:52:19	1.943
***************
*** 1,4 ****
! .\" $OpenBSD: tmux.1,v 1.942 2024/05/14 07:40:39 nicm Exp $
  .\"
  .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
  .\"
--- 1,4 ----
! .\" $OpenBSD: tmux.1,v 1.943 2024/05/14 07:52:19 nicm Exp $
  .\"
  .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
  .\"
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*** 4889,4894 ****
--- 4889,4902 ----
  set-hook -g after-split-window "selectl even-vertical"
  .Ed
  .Pp
+ If a command fails, the
+ .Ql command-error
+ hook will be fired.
+ For example, this could be used to write to a log file:
+ .Bd -literal -offset indent
+ set-hook -g command-error "run-shell \\"echo 'a tmux command failed' >>/tmp/log\\""
+ .Ed
+ .Pp
  All the notifications listed in the
  .Sx CONTROL MODE
  section are hooks (without any arguments), except
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*** 4921,4926 ****
--- 4929,4936 ----
  Run when a client is resized.
  .It client-session-changed
  Run when a client's attached session is changed.
+ .It command-error
+ Run when a command fails.
  .It pane-died
  Run when the program running in a pane exits, but
  .Ic remain-on-exit