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

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

;; Copyright (C) 1991, 92, 93, 94, 95, 1998, 2001, 2003
;;           Free Software Foundation, Inc.

;; Author: Daniel Pfeiffer <occitan@esperanto.org>
;; 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-functions 'copyright-update).

;;; Code:

(defgroup copyright nil
  "Update the copyright notice in current buffer."
  :group 'tools)

(defcustom copyright-limit 2000
  "*Don't try to update copyright beyond this position unless interactive.
A value of nil means to search whole buffer."
  :group 'copyright
  :type '(choice (integer :tag "Limit")
		 (const :tag "No limit")))

;; Would it be cleaner to specify Latin-1 coding for this file,
;; and not use both unibyte and multibyte copyright symbol characters?

;; The character classes include the unibyte (C) sign,
;; the Latin-1 version, and the Latin-9 version.
(defcustom copyright-regexp