(save-place-to-alist): Optimize out the degenerate

[bpt/emacs.git] / lisp / emacs-lisp / copyright.el

;;; copyright.el --- update the copyright notice in current buffer

;; Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.

;; Author: Daniel.Pfeiffer@Informatik.START.dbp.de
;;		 fax (+49 69) 7588-2389
;; Keywords: maint, tools

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Commentary:

;; Allows updating the copyright year and above mentioned GPL version manually
;; or when saving a file.  Do (add-hook 'write-file-hooks 'copyright-update).

;;; Code:

(defvar copyright-limit 2000
  "*Don't try to update copyright beyond this position unless interactive.
`nil' means to search whole buffer.")


(defvar copyright-regexp