===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tty-keys.c,v
retrieving revision 1.171
retrieving revision 1.172
diff -c -r1.171 -r1.172
*** src/usr.bin/tmux/tty-keys.c	2023/09/08 06:52:31	1.171
--- src/usr.bin/tmux/tty-keys.c	2023/09/08 07:05:06	1.172
***************
*** 1,4 ****
! /* $OpenBSD: tty-keys.c,v 1.171 2023/09/08 06:52:31 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: tty-keys.c,v 1.172 2023/09/08 07:05:06 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 1399,1406 ****
  			break;
  	}
  
! 	/* Add terminal features. */
  	switch (p[0]) {
  	case 'M': /* mintty */
  		tty_default_features(features, "mintty", 0);
  		break;
--- 1399,1415 ----
  			break;
  	}
  
! 	/*
! 	 * Add terminal features. We add DECSLRM and DECFRA for some
! 	 * identification codes here, notably 64 will catch VT520, even though
! 	 * we can't use level 5 from DA because of VTE.
! 	 */
  	switch (p[0]) {
+ 	case 41: /* VT420 */
+ 	case 61: /* VT510 */
+ 	case 64: /* VT520 */
+ 		tty_add_features(features, "margins,rectfill", ",");
+ 		break;
  	case 'M': /* mintty */
  		tty_default_features(features, "mintty", 0);
  		break;