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+;;; mh-xemacs-compat.el --- GNU Emacs Functions needed by XEmacs
+
+;; Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+
+;; Author: FSF
+;; Maintainer: Bill Wohler <wohler@newt.com>
+;; Keywords: mail
+;; See: mh-e.el
+
+;; 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:
+
+;;; Change Log:
+
+;; $Id: mh-xemacs-compat.el,v 1.7 2002/04/07 19:20:55 wohler Exp $
+
+;;; Code:
+
+;;; Simple compatibility:
+
+(unless (fboundp 'match-string-no-properties)
+  (defalias 'match-string-no-properties 'match-string))
+
+;;; Functions from simple.el of Emacs-21.1
+;;; simple.el --- basic editing commands for Emacs
+
+;; Copyright (C) 1985, 86, 87, 93, 94, 95, 96, 97, 98, 99, 2000, 2001
+;;        Free Software Foundation, Inc.
+
+(defun rfc822-goto-eoh ()
+  ;; Go to header delimiter line in a mail message, following RFC822 rules
+  (goto-char (point-min))
+  (while (looking-at "^[^: \n]+:\\|^[ \t]")
+    (forward-line 1))
+  (point))
+
+;;; Functions from sendmail.el of Emacs-21.1
+;;; sendmail.el --- mail sending commands for Emacs.
+
+;; Copyright (C) 1985, 86, 92, 93, 94, 95, 96, 98, 2000, 2001
+;;   Free Software Foundation, Inc.
+
+(defun mail-header-end ()
+  "Return the buffer location of the end of headers, as a number."
+  (save-restriction
+    (widen)
+    (save-excursion
+      (rfc822-goto-eoh)
+      (point))))
+
+(defun mail-mode-fill-paragraph (arg)
+  ;; Do something special only if within the headers.
+  (if (< (point) (mail-header-end))
+      (let (beg end fieldname)
+	(when (prog1 (re-search-backward "^[-a-zA-Z]+:" nil 'yes)
+		(setq beg (point)))
+	(setq fieldname
+		(downcase (buffer-substring beg (1- (match-end 0))))))
+	(forward-line 1)
+	;; Find continuation lines and get rid of their continuation markers.
+	(while (looking-at "[ \t]")
+	  (delete-horizontal-space)
+	  (forward-line 1))
+	(setq end (point-marker))
+	(goto-char beg)
+	;; If this field contains addresses,
+	;; make sure we can fill after each address.
+	(if (member fieldname
+		    '("to" "cc" "bcc" "from" "reply-to"
+		      "resent-to" "resent-cc" "resent-bcc"
+		      "resent-from" "resent-reply-to"))
+	    (while (search-forward "," end t)
+	      (or (looking-at "[ \t]")
+		  (insert " "))))
+	(fill-region-as-paragraph beg end)
+	;; Mark all lines except the first as continuations.
+	(goto-char beg)
+	(forward-line 1)
+	(while (< (point) end)
+	  (insert "  ")
+	  (forward-line 1))
+	(move-marker end nil)
+	t)))
+
+(provide 'mh-xemacs-compat)
+
+;;; mh-xemacs-compat.el ends here