;;; diff.el --- run `diff' -*- lexical-binding: t -*-
-;; Copyright (C) 1992, 1994, 1996, 2001-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1994, 1996, 2001-2013 Free Software Foundation,
+;; Inc.
;; Author: Frank Bresz
;; (according to authors.el)
When called interactively with a prefix argument, prompt
interactively for diff switches. Otherwise, the switches
-specified in `diff-switches' are passed to the diff command."
+specified in the variable `diff-switches' are passed to the diff command."
(interactive
(let* ((newf (if (and buffer-file-name (file-exists-p buffer-file-name))
(read-file-name