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-;;; rmailedit.el --- "RMAIL edit mode" Edit the current message.
-
-;; Copyright (C) 1985, 1994 Free Software Foundation, Inc.
-
-;; Maintainer: FSF
-;; Keywords: mail
-
-;; 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.
-
-;;; Code:
-
-(require 'rmail)
-
-(defvar rmail-edit-map nil)
-(if rmail-edit-map
- nil
- ;; Make a keymap that inherits text-mode-map.
- (setq rmail-edit-map (nconc (make-sparse-keymap) text-mode-map))
- (define-key rmail-edit-map "\C-c\C-c" 'rmail-cease-edit)
- (define-key rmail-edit-map "\C-c\C-]" 'rmail-abort-edit))
-
-;; Rmail Edit mode is suitable only for specially formatted data.
-(put 'rmail-edit-mode 'mode-class 'special)
-
-(defun rmail-edit-mode ()
- "Major mode for editing the contents of an RMAIL message.
-The editing commands are the same as in Text mode, together with two commands
-to return to regular RMAIL:
- * rmail-abort-edit cancels the changes
- you have made and returns to RMAIL
- * rmail-cease-edit makes them permanent.
-\\{rmail-edit-map}"
- (use-local-map rmail-edit-map)
- (setq major-mode 'rmail-edit-mode)
- (setq mode-name "RMAIL Edit")
- (if (boundp 'mode-line-modified)
- (setq mode-line-modified (default-value 'mode-line-modified))
- (setq mode-line-format (default-value 'mode-line-format)))
- (if (rmail-summary-exists)
- (save-excursion
- (set-buffer rmail-summary-buffer)
- (rmail-summary-disable)))
- (run-hooks 'text-mode-hook 'rmail-edit-mode-hook))
-
-;;;###autoload
-(defun rmail-edit-current-message ()
- "Edit the contents of this message."
- (interactive)
- (rmail-edit-mode)
- (make-local-variable 'rmail-old-text)
- (setq rmail-old-text (buffer-substring (point-min) (point-max)))
- (setq buffer-read-only nil)
- (force-mode-line-update)
- (if (and (eq (key-binding "\C-c\C-c") 'rmail-cease-edit)
- (eq (key-binding "\C-c\C-]") 'rmail-abort-edit))
- (message "Editing: Type C-c C-c to return to Rmail, C-c C-] to abort")
- (message "%s" (substitute-command-keys
- "Editing: Type \\[rmail-cease-edit] to return to Rmail, \\[rmail-abort-edit] to abort"))))
-
-(defun rmail-cease-edit ()
- "Finish editing message; switch back to Rmail proper."
- (interactive)
- (if (rmail-summary-exists)
- (save-excursion
- (set-buffer rmail-summary-buffer)
- (rmail-summary-enable)))
- ;; Make sure buffer ends with a newline.
- (save-excursion
- (goto-char (point-max))
- (if (/= (preceding-char) ?\n)
- (insert "\n"))
- ;; Adjust the marker that points to the end of this message.
- (set-marker (aref rmail-message-vector (1+ rmail-current-message))
- (point)))
- (let ((old rmail-old-text))
- (force-mode-line-update)
- (rmail-mode-1)
- (if (and (= (length old) (- (point-max) (point-min)))
- (string= old (buffer-substring (point-min) (point-max))))
- ()
- (setq old nil)
- (rmail-set-attribute "edited" t)
- (if (boundp 'rmail-summary-vector)
- (progn
- (aset rmail-summary-vector (1- rmail-current-message) nil)
- (save-excursion
- (rmail-widen-to-current-msgbeg
- (function (lambda ()
- (forward-line 2)
- (if (looking-at "Summary-line: ")
- (let ((buffer-read-only nil))
- (delete-region (point)
- (progn (forward-line 1)
- (point))))))))
- (rmail-show-message))))))
- (setq buffer-read-only t))
-
-(defun rmail-abort-edit ()
- "Abort edit of current message; restore original contents."
- (interactive)
- (delete-region (point-min) (point-max))
- (insert rmail-old-text)
- (rmail-cease-edit)
- (rmail-highlight-headers))
-
-;;; rmailedit.el ends here