===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/cmd-show-options.c,v
retrieving revision 1.67
retrieving revision 1.68
diff -c -r1.67 -r1.68
*** src/usr.bin/tmux/cmd-show-options.c	2021/08/21 10:22:39	1.67
--- src/usr.bin/tmux/cmd-show-options.c	2021/10/21 08:23:48	1.68
***************
*** 1,4 ****
! /* $OpenBSD: cmd-show-options.c,v 1.67 2021/08/21 10:22:39 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: cmd-show-options.c,v 1.68 2021/10/21 08:23:48 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 127,132 ****
--- 127,138 ----
  		parent = 0;
  	if (o != NULL)
  		cmd_show_options_print(self, item, o, idx, parent);
+ 	else if (*name == '@') {
+ 		if (args_has(args, 'q'))
+ 			goto fail;
+ 		cmdq_error(item, "invalid option: %s", argument);
+ 		goto fail;
+ 	}
  
  	free(name);
  	free(argument);