;;; infohack.el --- a hack to format info file.
-;; Copyright (C) 2001 Free Software Foundation, Inc.
+;; Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
;; Keywords: info
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(require 'texinfmt)
+(if (fboundp 'texinfo-copying)
+ nil
+ ;; Support @copying and @insertcopying for Emacs 21.3 and lesser and
+ ;; XEmacs.
+ (defvar texinfo-copying-text ""
+ "Text of the copyright notice and copying permissions.")
+
+ (defun texinfo-copying ()
+ "Copy the copyright notice and copying permissions from the Texinfo file,
+as indicated by the @copying ... @end copying command;
+insert the text with the @insertcopying command."
+ (let ((beg (progn (beginning-of-line) (point)))
+ (end (progn (re-search-forward "^@end copying[ \t]*\n") (point))))
+ (setq texinfo-copying-text
+ (buffer-substring-no-properties
+ (save-excursion (goto-char beg) (forward-line 1) (point))
+ (save-excursion (goto-char end) (forward-line -1) (point))))
+ (delete-region beg end)))
+
+ (defun texinfo-insertcopying ()
+ "Insert the copyright notice and copying permissions from the Texinfo file,
+which are indicated by the @copying ... @end copying command."
+ (insert (concat "\n" texinfo-copying-text)))
+
+ (defadvice texinfo-format-scan (before expand-@copying-section activate)
+ "Extract @copying and replace @insertcopying with it."
+ (goto-char (point-min))
+ (when (search-forward "@copying" nil t)
+ (texinfo-copying))
+ (while (search-forward "@insertcopying" nil t)
+ (delete-region (match-beginning 0) (match-end 0))
+ (texinfo-insertcopying))))
+
(defun infohack-remove-unsupported ()
(goto-char (point-min))
(while (re-search-forward "@\\(end \\)?ifnottex" nil t)