===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/environ.c,v
retrieving revision 1.24
retrieving revision 1.25
diff -c -r1.24 -r1.25
*** src/usr.bin/tmux/environ.c	2020/03/31 17:14:40	1.24
--- src/usr.bin/tmux/environ.c	2020/05/16 15:40:44	1.25
***************
*** 1,4 ****
! /* $OpenBSD: environ.c,v 1.24 2020/03/31 17:14:40 nicm Exp $ */
  
  /*
   * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: environ.c,v 1.25 2020/05/16 15:40:44 nicm Exp $ */
  
  /*
   * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 252,257 ****
--- 252,259 ----
  	if (!no_TERM) {
  		value = options_get_string(global_options, "default-terminal");
  		environ_set(env, "TERM", 0, "%s", value);
+ 		environ_set(env, "TERM_PROGRAM", 0, "%s", "tmux");
+ 		environ_set(env, "TERM_PROGRAM_VERSION", 0, "%s", getversion());
  	}
  
  	if (s != NULL)