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;;; vm-license.el --- Code to show VM's warranty and copying restrictions
;;
;; This file is part of VM
;;
;; Copyright (C) 1989, 1994 Kyle E. Jones
;; Copyright (C) 2003-2006 Robert Widhopf-Fenk
;;
;; This program 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 of the License, or
;; (at your option) any later version.
;;
;; This program 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 this program; if not, write to the Free Software Foundation, Inc.,
;; 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
;;; Code:
(provide 'vm-license)
(eval-when-compile
(require 'vm-window))
(declare-function Info-goto-node "ext:info" (nodename &optional fork))
;;;###autoload
(defun vm-show-copying-restrictions (&optional warranty)
"Show VM's license, i.e. the GPL."
(interactive)
(require 'info)
(let ((pop-up-windows (eq vm-mutable-window-configuration t))
(pop-up-frames (and vm-mutable-frame-configuration vm-frame-per-help)))
(or
(condition-case ()
(progn (Info-goto-node "(vm)License") t)
(error nil))
(condition-case ()
(progn (Info-goto-node "(vm.info)License") t)
(error nil))
(error "VM Info documentation appears not to be installed"))
(vm-display (current-buffer) t nil nil)
(vm-display nil nil '(vm-show-copying-restrictions vm-show-no-warranty)
(list this-command))
(if warranty
(let ((case-fold-search nil))
(search-forward "NO WARRANTY\n" nil t)
(forward-line -1)
(set-window-start (selected-window) (point))))))
;;;###autoload
(defun vm-show-no-warranty ()
"Display \"NO WARRANTY\" section of the GNU General Public License."
(interactive)
(vm-show-copying-restrictions t))
;;; vm-license.el ends here
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