===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/screen.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -c -r1.12 -r1.13
*** src/usr.bin/tmux/screen.c	2009/12/03 22:50:10	1.12
--- src/usr.bin/tmux/screen.c	2010/01/03 17:12:04	1.13
***************
*** 1,4 ****
! /* $OpenBSD: screen.c,v 1.12 2009/12/03 22:50:10 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
--- 1,4 ----
! /* $OpenBSD: screen.c,v 1.13 2010/01/03 17:12:04 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
***************
*** 234,244 ****
  	struct screen_sel	*sel = &s->sel;
  
  	memcpy(&sel->cell, gc, sizeof sel->cell);
- 
  	sel->flag = 1;
! 	if (ey < sy || (sy == ey && ex < sx)) {
  		sel->sx = ex; sel->sy = ey;
! 		sel->ex = sx; sel->ey = sy;
  	} else {
  		sel->sx = sx; sel->sy = sy;
  		sel->ex = ex; sel->ey = ey;
--- 234,264 ----
  	struct screen_sel	*sel = &s->sel;
  
  	memcpy(&sel->cell, gc, sizeof sel->cell);
  	sel->flag = 1;
! 
! 	/* starting line < ending line -- downward selection. */
! 	if (sy < ey) {
! 		sel->sx = sx; sel->sy = sy;
! 		sel->ex = ex; sel->ey = ey;
! 		return;
! 	}
! 
! 	/* starting line > ending line -- upward selection. */
! 	if (sy > ey) {
! 		if (sx > 0) {
! 			sel->sx = ex; sel->sy = ey;
! 			sel->ex = sx - 1; sel->ey = sy;
! 		} else {
! 			sel->sx = ex; sel->sy = ey;
! 			sel->ex = -1; sel->ey = sy - 1;
! 		}
! 		return;
! 	}
! 
! 	/* starting line == ending line. */
! 	if (ex < sx) {
  		sel->sx = ex; sel->sy = ey;
! 		sel->ex = sx - 1; sel->ey = sy;
  	} else {
  		sel->sx = sx; sel->sy = sy;
  		sel->ex = ex; sel->ey = ey;