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diff --git a/lisp/mail-utils.el b/lisp/mail-utils.el
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+;; Utility functions used both by rmail and rnews
+;; Copyright (C) 1985 Free Software Foundation, Inc.
+
+;; 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+
+(provide 'mail-utils)
+		     
+;; should be in loaddefs
+(defvar mail-use-rfc822 nil
+  "*If non-nil, use a full, hairy RFC822 parser on mail addresses.
+Otherwise, (the default) use a smaller, somewhat faster and
+often-correct parser.")
+
+(defun mail-string-delete (string start end)
+  "Returns a string containing all of STRING except the part
+from START (inclusive) to END (exclusive)."
+  (if (null end) (substring string 0 start)
+    (concat (substring string 0 start)
+	    (substring string end nil))))
+
+(defun mail-strip-quoted-names (address)
+  "Delete comments and quoted strings in an address list ADDRESS.
+Also delete leading/trailing whitespace and replace FOO <BAR> with just BAR.
+Return a modified address list."
+  (if (null address)
+      nil
+    (if mail-use-rfc822
+	(progn (require 'rfc822)
+	       (mapconcat 'identity (rfc822-addresses address) ", "))
+      (let (pos)
+       ;; Strip rfc822 comments (within parens).
+       ;; Understand properly the effect of backslashes and string quotes.
+       (let (instring (depth 0) start)
+	 (setq pos -1)
+	 (while pos
+	   (cond ((< pos 0))
+		 ((= (aref address pos) ?\\)
+		  (setq pos (1+ pos)))
+		 ((= (aref address pos) ?\")
+		  (setq instring (not instring)))
+		 (instring nil)
+		 ((= (aref address pos) ?\()
+		  (if (= depth 0) (setq start pos))
+		  (setq depth (1+ depth)))
+		 ((= (aref address pos) ?\))
+		  (setq depth (1- depth))
+		  (if (= depth 0)
+		      (setq address (mail-string-delete address start (1+ pos))
+			    pos (1- start)))))
+	   (setq pos (string-match "[\"\\()]" address (1+ pos)))))
+
+       ;; strip surrounding whitespace
+       (string-match "\\`[ \t\n]*" address)
+       (setq address (substring address
+				(match-end 0)
+				(string-match "[ \t\n]*\\'" address
+					      (match-end 0))))
+
+       ;; Strip whitespace before commas.
+       (let (instring)
+	 (setq pos -1)
+	 (while pos
+	   (cond ((< pos 0))
+		 ((= (aref address pos) ?\\)
+		  (setq pos (1+ pos)))
+		 ((= (aref address pos) ?\")
+		  (setq instring (not instring)))
+		 (instring nil)
+		 ((eq (string-match "[ \t]*," address pos) pos)
+		  (setq address (mail-string-delete address pos
+						    (1- (match-end 0))))))
+	   (setq pos (string-match "[ \t,\"\\]" address (1+ pos)))))
+
+       ;; strip `quoted' names (This is supposed to hack `"Foo Bar" <bar@host>')
+       (setq pos 0)
+       (while (setq pos (string-match
+			  "[ \t]*\"\\([^\"\\]\\|\\\\.\\|\\\\\n\\)*\"[ \t\n]*"
+			  address pos))
+	 ;; If the next thing is "@", we have "foo bar"@host.  Leave it.
+	 (if (and (> (length address) (match-end 0))
+		  (= (aref address (match-end 0)) ?@))
+	     (setq pos (match-end 0))
+	   (setq address
+		 (mail-string-delete address
+				     pos (match-end 0)))))
+       ;; Retain only part of address in <> delims, if there is such a thing.
+       (while (setq pos (string-match "\\(,\\|\\`\\)[^,]*<\\([^>,]*>\\)"
+				      address))
+	 (let ((junk-beg (match-end 1))
+	       (junk-end (match-beginning 2))
+	       (close (match-end 0)))
+	   (setq address (mail-string-delete address (1- close) close))
+	   (setq address (mail-string-delete address junk-beg junk-end))))
+       address))))
+  
+(or (and (boundp 'rmail-default-dont-reply-to-names)
+	 (not (null rmail-default-dont-reply-to-names)))
+    (setq rmail-default-dont-reply-to-names "info-"))
+
+; rmail-dont-reply-to-names is defined in loaddefs
+(defun rmail-dont-reply-to (userids)
+  "Returns string of mail addresses USERIDS sans any recipients
+that start with matches for  rmail-dont-reply-to-names.
+Usenet paths ending in an element that matches are removed also."
+  (if (null rmail-dont-reply-to-names)
+      (setq rmail-dont-reply-to-names
+	    (concat (if rmail-default-dont-reply-to-names
+			(concat rmail-default-dont-reply-to-names "\\|")
+		        "")
+		    (concat (regexp-quote
+			      (or (getenv "USER") (getenv "LOGNAME")
+				  (user-login-name)))
+			    "\\>"))))
+  (let ((match (concat "\\(^\\|,\\)[ \t\n]*\\([^,\n]*!\\|\\)\\("
+		       rmail-dont-reply-to-names
+		       "\\)"))
+	(case-fold-search t)
+	pos epos)
+    (while (setq pos (string-match match userids))
+      (if (> pos 0) (setq pos (1+ pos)))
+      (setq epos
+	    (if (string-match "[ \t\n,]+" userids (match-end 0))
+		(match-end 0)
+	      (length userids)))
+      (setq userids
+	    (mail-string-delete
+	      userids pos epos)))
+    ;; get rid of any trailing commas
+    (if (setq pos (string-match "[ ,\t\n]*\\'" userids))
+	(setq userids (substring userids 0 pos)))
+    ;; remove leading spaces. they bother me.
+    (if (string-match "\\s *" userids)
+	(substring userids (match-end 0))
+      userids)))
+
+(defun mail-fetch-field (field-name &optional last all)
+  "Return the value of the header field FIELD.
+The buffer is expected to be narrowed to just the headers of the message.
+If 2nd arg LAST is non-nil, use the last such field if there are several.
+If 3rd arg ALL is non-nil, concatenate all such fields, with commas between."
+  (save-excursion
+    (goto-char (point-min))
+    (let ((case-fold-search t)
+	  (name (concat "^" (regexp-quote field-name) "[ \t]*:[ \t]*")))
+      (goto-char (point-min))
+      (if all
+	  (let ((value ""))
+	    (while (re-search-forward name nil t)
+	      (let ((opoint (point)))
+		(while (progn (forward-line 1)
+			      (looking-at "[ \t]")))
+		(setq value (concat value
+				    (if (string= value "") "" ", ")
+				    (buffer-substring opoint (1- (point)))))))
+	    (and (not (string= value "")) value))
+	(if (re-search-forward name nil t)
+	    (progn
+	      (if last (while (re-search-forward name nil t)))
+	      (let ((opoint (point)))
+		(while (progn (forward-line 1)
+			      (looking-at "[ \t]")))
+		(buffer-substring opoint (1- (point))))))))))
+
+;; Parse a list of tokens separated by commas.
+;; It runs from point to the end of the visible part of the buffer.
+;; Whitespace before or after tokens is ignored,
+;; but whitespace within tokens is kept.
+(defun mail-parse-comma-list ()
+  (let (accumulated
+	beg)
+    (skip-chars-forward " ")
+    (while (not (eobp))
+      (setq beg (point))
+      (skip-chars-forward "^,")
+      (skip-chars-backward " ")
+      (setq accumulated
+	    (cons (buffer-substring beg (point))
+		  accumulated))
+      (skip-chars-forward "^,")
+      (skip-chars-forward ", "))
+    accumulated))
+
+(defun mail-comma-list-regexp (labels)
+  (let (pos)
+    (setq pos (or (string-match "[^ \t]" labels) 0))
+    ;; Remove leading and trailing whitespace.
+    (setq labels (substring labels pos (string-match "[ \t]*$" labels pos)))
+    ;; Change each comma to \|, and flush surrounding whitespace.
+    (while (setq pos (string-match "[ \t]*,[ \t]*" labels))
+      (setq labels
+	    (concat (substring labels 0 pos)
+		    "\\|"
+		    (substring labels (match-end 0))))))
+  labels)