;;; diff.el --- run `diff' in compilation-mode
;; Copyright (C) 1992, 1994, 1996, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007 Free Software Foundation, Inc.
+;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: unix, tools
(if (equal 0 code) " (no differences)" "")
(current-time-string))))))
+(defvar diff-old-file nil)
+(defvar diff-new-file nil)
+(defvar diff-extra-args nil)
+
;;;###autoload
(defun diff (old new &optional switches no-async)
"Find and display the differences between OLD and NEW files.