===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/format.c,v
retrieving revision 1.21
retrieving revision 1.22
diff -c -r1.21 -r1.22
*** src/usr.bin/tmux/format.c	2013/03/25 10:07:21	1.21
--- src/usr.bin/tmux/format.c	2013/03/25 10:11:45	1.22
***************
*** 1,4 ****
! /* $OpenBSD: format.c,v 1.21 2013/03/25 10:07:21 nicm Exp $ */
  
  /*
   * Copyright (c) 2011 Nicholas Marriott <nicm@users.sourceforge.net>
--- 1,4 ----
! /* $OpenBSD: format.c,v 1.22 2013/03/25 10:11:45 nicm Exp $ */
  
  /*
   * Copyright (c) 2011 Nicholas Marriott <nicm@users.sourceforge.net>
***************
*** 280,285 ****
--- 280,286 ----
  	format_add(ft, "session_windows", "%u", winlink_count(&s->windows));
  	format_add(ft, "session_width", "%u", s->sx);
  	format_add(ft, "session_height", "%u", s->sy);
+ 	format_add(ft, "session_id", "%u", s->id);
  
  	sg = session_group_find(s);
  	format_add(ft, "session_grouped", "%d", sg != NULL);