===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/layout.c,v
retrieving revision 1.31
retrieving revision 1.32
diff -c -r1.31 -r1.32
*** src/usr.bin/tmux/layout.c	2016/10/16 22:06:40	1.31
--- src/usr.bin/tmux/layout.c	2017/03/11 15:16:35	1.32
***************
*** 1,4 ****
! /* $OpenBSD: layout.c,v 1.31 2016/10/16 22:06:40 nicm Exp $ */
  
  /*
   * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: layout.c,v 1.32 2017/03/11 15:16:35 nicm Exp $ */
  
  /*
   * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 904,913 ****
  
  		/* Create the new cell. */
  		lcnew = layout_create_cell(lc);
  		if (lc->type == LAYOUT_LEFTRIGHT)
! 			layout_set_size(lcnew, new_size, sy, 0, 0);
  		else if (lc->type == LAYOUT_TOPBOTTOM)
! 			layout_set_size(lcnew, sx, new_size, 0, 0);
  		if (insert_before)
  			TAILQ_INSERT_HEAD(&lc->cells, lcnew, entry);
  		else
--- 904,914 ----
  
  		/* Create the new cell. */
  		lcnew = layout_create_cell(lc);
+ 		size = saved_size - 1 - new_size;
  		if (lc->type == LAYOUT_LEFTRIGHT)
! 			layout_set_size(lcnew, size, sy, 0, 0);
  		else if (lc->type == LAYOUT_TOPBOTTOM)
! 			layout_set_size(lcnew, sx, size, 0, 0);
  		if (insert_before)
  			TAILQ_INSERT_HEAD(&lc->cells, lcnew, entry);
  		else