===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/key-string.c,v
retrieving revision 1.26
retrieving revision 1.27
diff -c -r1.26 -r1.27
*** src/usr.bin/tmux/key-string.c	2015/04/19 21:34:21	1.26
--- src/usr.bin/tmux/key-string.c	2015/10/26 22:03:04	1.27
***************
*** 1,4 ****
! /* $OpenBSD: key-string.c,v 1.26 2015/04/19 21:34:21 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
--- 1,4 ----
! /* $OpenBSD: key-string.c,v 1.27 2015/10/26 22:03:04 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
***************
*** 238,245 ****
  	}
  
  	/* Invalid keys are errors. */
! 	if (key == 127 || key > 255)
! 		return (NULL);
  
  	/* Check for standard or control key. */
  	if (key >= 0 && key <= 32) {
--- 238,247 ----
  	}
  
  	/* Invalid keys are errors. */
! 	if (key == 127 || key > 255) {
! 		snprintf(out, sizeof out, "<INVALID#%04x>", key);
! 		return (out);
! 	}
  
  	/* Check for standard or control key. */
  	if (key >= 0 && key <= 32) {