"John A. Turner" <turner(a)blueskystudios.com&gt; writes: You need something like this diff -u /scratch/vroonhof/xemacs/debug/xemacs-packages/lisp/edit-utils/uniquify.el~ /scratch/vroonhof/xemacs/debug/xemacs-packages/lisp/edit-utils/uniquify.el --- /scratch/vroonhof/xemacs/debug/xemacs-packages/lisp/edit-utils/uniquify.el~ Wed Apr 12 17:11:34 2000 +++ /scratch/vroonhof/xemacs/debug/xemacs-packages/lisp/edit-utils/uniquify.el Wed Apr 12 17:11:34 2000 ＠＠ -111,7 +111,8 ＠＠ (const post-forward) (const post-forward-angle-brackets) (const :tag "standard Emacs behavior (nil)" nil)) - :group 'uniquify) + :group 'uniquify + :require 'uniquify) (defcustom uniquify-after-kill-buffer-p nil "*If non-nil, rerationalize buffer names after a buffer has been killed. Then bytecompile, Quit XEmacs and customize the variable again.. Save changes, Quit XEmacs and it should work. The custom-set-variable line should now have an extra argument require on it. Jan