lisp/mail/mh-xemacs-compat.el

   1 ;;; mh-xemacs-compat.el --- GNU Emacs Functions needed by XEmacs
   2
   3 ;; Copyright (C) 2001, 2002 Free Software Foundation, Inc.
   4
   5 ;; Author: FSF
   6 ;; Maintainer: Bill Wohler <wohler@newt.com>
   7 ;; Keywords: mail
   8 ;; See: mh-e.el
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26
  27 ;;; Commentary:
  28
  29 ;;; Change Log:
  30
  31 ;; $Id: mh-xemacs-compat.el,v 1.7 2002/04/07 19:20:55 wohler Exp $
  32
  33 ;;; Code:
  34
  35 ;;; Simple compatibility:
  36
  37 (unless (fboundp 'match-string-no-properties)
  38   (defalias 'match-string-no-properties 'match-string))
  39
  40 ;;; Functions from simple.el of Emacs-21.1
  41 ;;; simple.el --- basic editing commands for Emacs
  42
  43 ;; Copyright (C) 1985, 86, 87, 93, 94, 95, 96, 97, 98, 99, 2000, 2001
  44 ;;        Free Software Foundation, Inc.
  45
  46 (defun rfc822-goto-eoh ()
  47   ;; Go to header delimiter line in a mail message, following RFC822 rules
  48   (goto-char (point-min))
  49   (while (looking-at "^[^: \n]+:\\|^[ \t]")
  50     (forward-line 1))
  51   (point))
  52
  53 ;;; Functions from sendmail.el of Emacs-21.1
  54 ;;; sendmail.el --- mail sending commands for Emacs.
  55
  56 ;; Copyright (C) 1985, 86, 92, 93, 94, 95, 96, 98, 2000, 2001
  57 ;;   Free Software Foundation, Inc.
  58
  59 (defun mail-header-end ()
  60   "Return the buffer location of the end of headers, as a number."
  61   (save-restriction
  62     (widen)
  63     (save-excursion
  64       (rfc822-goto-eoh)
  65       (point))))
  66
  67 (defun mail-mode-fill-paragraph (arg)
  68   ;; Do something special only if within the headers.
  69   (if (< (point) (mail-header-end))
  70       (let (beg end fieldname)
  71         (when (prog1 (re-search-backward "^[-a-zA-Z]+:" nil 'yes)
  72                 (setq beg (point)))
  73         (setq fieldname
  74                 (downcase (buffer-substring beg (1- (match-end 0))))))
  75         (forward-line 1)
  76         ;; Find continuation lines and get rid of their continuation markers.
  77         (while (looking-at "[ \t]")
  78           (delete-horizontal-space)
  79           (forward-line 1))
  80         (setq end (point-marker))
  81         (goto-char beg)
  82         ;; If this field contains addresses,
  83         ;; make sure we can fill after each address.
  84         (if (member fieldname
  85                     '("to" "cc" "bcc" "from" "reply-to"
  86                       "resent-to" "resent-cc" "resent-bcc"
  87                       "resent-from" "resent-reply-to"))
  88             (while (search-forward "," end t)
  89               (or (looking-at "[ \t]")
  90                   (insert " "))))
  91         (fill-region-as-paragraph beg end)
  92         ;; Mark all lines except the first as continuations.
  93         (goto-char beg)
  94         (forward-line 1)
  95         (while (< (point) end)
  96           (insert "  ")
  97           (forward-line 1))
  98         (move-marker end nil)
  99         t)))
 100
 101 (provide 'mh-xemacs-compat)
 102
 103 ;;; mh-xemacs-compat.el ends here