(mime-edit-normalize-body): Don't use the `(replace-match "\\1\r\n")' form
[elisp/semi.git] / mime-edit.el
index 42fdb75..18263bf 100644 (file)
@@ -1,88 +1,87 @@
-;;;
 ;;; mime-edit.el --- Simple MIME Composer for GNU Emacs
-;;;
-;;; Copyright (C) 1993 UMEDA Masanobu
-;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
-;;;
-;;; Author: UMEDA Masanobu <umerin@mse.kyutech.ac.jp>
-;;;         MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Created: 1994/08/21 renamed from mime.el by UMEDA Masanobu;
-;;;          1996/05/24 renamed from tm-edit.el
-;;; Version: $Revision: 0.15 $
-;;; Keywords: mail, news, MIME, multimedia, multilingual
-;;;
-;;; This file is part of SEMI (September, Emacs MIME Interface)
-;;;
-;;; This program 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.
-;;;
-;;; This program 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 This program.  If not, write to the Free Software
-;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+;; Copyright (C) 1993,94,95,96,97,98,99,2000,01,02,03
+;;   Free Software Foundation, Inc.
+
+;; Author: UMEDA Masanobu <umerin@mse.kyutech.ac.jp>
+;;     MORIOKA Tomohiko <tomo@kanji.zinbun.kyoto-u.ac.jp>
+;;     Daiki Ueno <ueno@ueda.info.waseda.ac.jp>
+;; Created: 1994/08/21 renamed from mime.el
+;;     Renamed: 1997/2/21 from tm-edit.el
+;; Keywords: MIME, multimedia, multilingual, mail, news
+
+;; This file is part of SEMI (Sophisticated Emacs MIME Interfaces).
+
+;; This program 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.
+
+;; This program 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:
 
 ;; This is an Emacs minor mode for editing Internet multimedia
-;; messages formatted in MIME (RFC 1521 and RFC 1522). All messages in
-;; this mode are composed in the tagged MIME format, that are
-;; described in the following examples. The messages composed in the
-;; tagged MIME format are automatically translated into a MIME
-;; compliant message when exiting the mode.
-
-;; Mule (a multilingual extension to Emacs 18 and 19) has a capability
-;; of handling multilingual text in limited ISO-2022 manner that is
-;; based on early experiences in Japanese Internet community and
-;; resulted in RFC 1468 (ISO-2022-JP charset for MIME). In order to
-;; enable multilingual capability in single text message in MIME,
-;; charset of multilingual text written in Mule is declared as either
-;; `ISO-2022-JP-2' [RFC 1554] or `ISO-2022-INT-1'. Mule is required
-;; for reading the such messages.
+;; messages formatted in MIME (RFC 2045, 2046, 2047, 2048 and 2049).
+;; All messages in this mode are composed in the tagged MIME format,
+;; that are described in the following examples.  The messages
+;; composed in the tagged MIME format are automatically translated
+;; into a MIME compliant message when exiting the mode.
+
+;; Mule (multilingual feature of Emacs 20 and multilingual extension
+;; for XEmacs 20) has a capability of handling multilingual text in
+;; limited ISO-2022 manner that is based on early experiences in
+;; Japanese Internet community and resulted in RFC 1468 (ISO-2022-JP
+;; charset for MIME).  In order to enable multilingual capability in
+;; single text message in MIME, charset of multilingual text written
+;; in Mule is declared as either `ISO-2022-JP-2' [RFC 1554].  Mule is
+;; required for reading the such messages.
 
 ;; This MIME composer can work with Mail mode, mh-e letter Mode, and
 ;; News mode.  First of all, you need the following autoload
-;; definition to load mime/editor-mode automatically:
+;; definition to load mime-edit-mode automatically:
 ;;
-;; (autoload 'mime/editor-mode "mime-edit"
+;; (autoload 'turn-on-mime-edit "mime-edit"
 ;;           "Minor mode for editing MIME message." t)
 ;;
 ;; In case of Mail mode (includes VM mode), you need the following
 ;; hook definition:
 ;;
-;; (add-hook 'mail-mode-hook 'mime/editor-mode)
-;; (add-hook 'mail-send-hook 'mime-editor/maybe-translate)
+;; (add-hook 'mail-mode-hook 'turn-on-mime-edit)
+;; (add-hook 'mail-send-hook 'mime-edit-maybe-translate)
 ;;
 ;; In case of MH-E, you need the following hook definition:
 ;;
 ;; (add-hook 'mh-letter-mode-hook
 ;;           (function
 ;;            (lambda ()
-;;              (mime/editor-mode)
+;;              (turn-on-mime-edit)
 ;;              (make-local-variable 'mail-header-separator)
 ;;              (setq mail-header-separator "--------")
 ;;              ))))
-;; (add-hook 'mh-before-send-letter-hook 'mime-editor/maybe-translate)
+;; (add-hook 'mh-before-send-letter-hook 'mime-edit-maybe-translate)
 ;;
 ;; In case of News mode, you need the following hook definition:
 ;;
-;; (add-hook 'news-reply-mode-hook 'mime/editor-mode)
-;; (add-hook 'news-inews-hook 'mime-editor/maybe-translate)
+;; (add-hook 'news-reply-mode-hook 'turn-on-mime-edit)
+;; (add-hook 'news-inews-hook 'mime-edit-maybe-translate)
 ;;
 ;; In case of Emacs 19, it is possible to emphasize the message tags
 ;; using font-lock mode as follows:
 ;;
-;; (add-hook 'mime/editor-mode-hook
+;; (add-hook 'mime-edit-mode-hook
 ;;           (function
 ;;            (lambda ()
 ;;              (font-lock-mode 1)
-;;              (setq font-lock-keywords (list mime-editor/tag-regexp))
+;;              (setq font-lock-keywords (list mime-edit-tag-regexp))
 ;;              ))))
 
 ;; The message tag looks like:
 ;;
 ;; This is a conventional plain text.  It should be translated into
 ;; text/plain.
-;; 
+;;
 ;;--[[text/plain]]
 ;; This is also a plain text.  But, it is explicitly specified as is.
+;;--[[text/plain; charset=ISO-8859-1]]
+;; This is also a plain text.  But charset is specified as iso-8859-1.
 ;;
-;;--[[text/plain; charset=ISO-2022-JP]]
-;; \e$B$3$l$O\e(B charset \e$B$r\e(B ISO-2022-JP \e$B$K;XDj$7$?F|K\8l$N\e(B plain \e$B%F%-%9%H$G$9\e(B.
-;;
-;;--[[text/richtext]]
+;; ¡Hola!  Buenos días.  ¿Cómo está usted?
+;;--[[text/enriched]]
 ;; <center>This is a richtext.</center>
 ;;
 ;;--[[image/gif][base64]]^M...image encoded in base64 comes here...
 (require 'sendmail)
 (require 'mail-utils)
 (require 'mel)
-(require 'tl-822)
-(require 'tl-list)
-(require 'tm-view)
-(require 'tm-ew-e)
+(require 'mime-view)
 (require 'signature)
+(require 'alist)
+(require 'invisible)
+(require 'pgg-def)
+(require 'pgg-parse)
+
+(autoload 'pgg-encrypt-region "pgg"
+  "PGP encryption of current region." t)
+(autoload 'pgg-sign-region "pgg"
+  "PGP signature of current region." t)
+(autoload 'pgg-insert-key "pgg"
+  "Insert PGP public key at point." t)
+(autoload 'smime-encrypt-region "smime"
+  "S/MIME encryption of current region.")
+(autoload 'smime-sign-region "smime"
+  "S/MIME signature of current region.")
+(defvar smime-output-buffer)
+(defvar smime-errors-buffer)
 
 
 ;;; @ version
 ;;;
 
-(defconst mime-editor/RCS-ID
-  "$Id: mime-edit.el,v 0.15 1996-05-28 02:52:49 morioka Exp $")
-
-(defconst mime-editor/version (get-version-string mime-editor/RCS-ID))
-
-(defconst mime-editor/version-name
-  (concat "SEMI mime-edit " mime-editor/version))
+(eval-and-compile
+  (defconst mime-edit-version
+    (concat
+     (mime-product-name mime-user-interface-product) " "
+     (mapconcat #'number-to-string
+               (mime-product-version mime-user-interface-product) ".")
+     " - \"" (mime-product-code-name mime-user-interface-product) "\"")))
 
 
 ;;; @ variables
 ;;;
 
-(defvar mime-prefix "\C-c\C-x"
-  "*Keymap prefix for MIME commands.")
+(defgroup mime-edit nil
+  "MIME edit mode"
+  :group 'mime)
 
-(defvar mime-ignore-preceding-spaces nil
-  "*Ignore preceding white spaces if non-nil.")
+(defcustom mime-ignore-preceding-spaces nil
+  "*Ignore preceding white spaces if non-nil."
+  :group 'mime-edit
+  :type 'boolean)
 
-(defvar mime-ignore-trailing-spaces nil
-  "*Ignore trailing white spaces if non-nil.")
+(defcustom mime-ignore-trailing-spaces nil
+  "*Ignore trailing white spaces if non-nil."
+  :group 'mime-edit
+  :type 'boolean)
 
-(defvar mime-ignore-same-text-tag t
+(defcustom mime-ignore-same-text-tag t
   "*Ignore preceding text content-type tag that is same with new one.
-If non-nil, the text tag is not inserted unless something different.")
-
-(defvar mime-auto-hide-body t
-  "*Hide non-textual body encoded in base64 after insertion if non-nil.")
-
-(defvar mime-voice-recorder
-  (function mime-voice-recorder-for-sun)
-  "*Function to record a voice message and return a buffer that contains it.")
-
-(defvar mime/editor-mode-hook nil
-  "*Hook called when enter MIME mode.")
-
-(defvar mime-editor/translate-hook nil
+If non-nil, the text tag is not inserted unless something different."
+  :group 'mime-edit
+  :type 'boolean)
+
+(defcustom mime-auto-hide-body t
+  "*Hide non-textual body encoded in base64 after insertion if non-nil."
+  :group 'mime-edit
+  :type 'boolean)
+
+(defcustom mime-edit-voice-recorder
+  (function mime-edit-voice-recorder-for-sun)
+  "*Function to record a voice message and encode it."
+  :group 'mime-edit
+  :type 'function)
+
+(defcustom mime-edit-mode-hook nil
+  "*Hook called when enter MIME mode."
+  :group 'mime-edit
+  :type 'hook)
+
+(defcustom mime-edit-translate-hook nil
   "*Hook called before translating into a MIME compliant message.
 To insert a signature file automatically, call the function
-`mime-editor/insert-signature' from this hook.")
+`mime-edit-insert-signature' from this hook."
+  :group 'mime-edit
+  :type 'hook)
 
-(defvar mime-editor/exit-hook nil
-  "*Hook called when exit MIME mode.")
+(defcustom mime-edit-exit-hook nil
+  "*Hook called when exit MIME mode."
+  :group 'mime-edit
+  :type 'hook)
 
 (defvar mime-content-types
   '(("text"
@@ -172,19 +202,12 @@ To insert a signature file automatically, call the function
      ("plain"
       ;;("charset" "" "ISO-2022-JP" "US-ASCII" "ISO-8859-1" "ISO-8859-8")
       )
-     ("richtext"
-      ;;("charset" "" "ISO-2022-JP" "US-ASCII" "ISO-8859-1" "ISO-8859-8")
-      )
-     ("enriched"
-      ;;("charset" "" "ISO-2022-JP" "US-ASCII" "ISO-8859-1" "ISO-8859-8")
-      )
-     ("x-latex"
-      ;;("charset" "" "ISO-2022-JP" "US-ASCII" "ISO-8859-1" "ISO-8859-8")
-      )
-     ("html"
-      ;;("charset" "" "ISO-2022-JP" "US-ASCII" "ISO-8859-1" "ISO-8859-8")
-      )
-     ("x-rot13-47")
+     ("enriched")
+     ("html")
+     ("css") ; rfc2318
+     ("xml") ; rfc2376
+     ("x-latex")
+     ;; ("x-rot13-47-48")
      )
     ("message"
      ("external-body"
@@ -202,17 +225,23 @@ To insert a signature file automatically, call the function
        ("tftp"        ("site") ("name"))
        ("afs"         ("site") ("name"))
        ("local-file"  ("site") ("name"))
-       ("mail-server" ("server" "ftpmail@nic.karrn.ad.jp"))
+       ("mail-server"
+       ("server" "ftpmail@nic.karrn.ad.jp")
+       ("subject"))
+       ("url"         ("url"))
        ))
      ("rfc822")
+     ("news")
      )
     ("application"
      ("octet-stream" ("type" "" "tar" "shar"))
      ("postscript")
+     ("vnd.ms-powerpoint")
      ("x-kiss" ("x-cnf")))
     ("image"
      ("gif")
      ("jpeg")
+     ("png")
      ("tiff")
      ("x-pic")
      ("x-mag")
@@ -224,21 +253,94 @@ To insert a signature file automatically, call the function
     )
   "*Alist of content-type, subtype, parameters and its values.")
 
-(defvar mime-file-types
-  '(("\\.rtf$"
-     "text"    "richtext"      nil
+(defcustom mime-file-types
+  '(
+
+    ;; Programming languages
+
+    ("\\.cc$"
+     "application" "octet-stream" (("type" . "C++"))
+     "7bit"
+     "attachment"      (("filename" . file))
+     )
+
+    ("\\.el$"
+     "application" "octet-stream" (("type" . "emacs-lisp"))
+     "7bit"
+     "attachment"      (("filename" . file))
+     )
+
+    ("\\.lsp$"
+     "application" "octet-stream" (("type" . "common-lisp"))
+     "7bit"
+     "attachment"      (("filename" . file))
+     )
+
+    ("\\.pl$"
+     "application" "octet-stream" (("type" . "perl"))
+     "7bit"
+     "attachment"      (("filename" . file))
+     )
+
+    ;; Text or translated text
+
+    ("\\.txt$"
+     "text"    "plain"         nil
      nil
-     nil               nil)
+     "inline"          (("filename" . file))
+     )
+
+     ;; .rc : procmail modules pm-xxxx.rc
+     ;; *rc : other resource files
+
+    ("\\.\\(rc\\|lst\\|log\\|sql\\|mak\\)$\\|\\..*rc$"
+     "text"    "plain"         nil
+     nil
+     "attachment"      (("filename" . file))
+     )
+
     ("\\.html$"
      "text"    "html"          nil
      nil
      nil               nil)
+
+    ("\\.diff$\\|\\.patch$"
+     "application" "octet-stream" (("type" . "patch"))
+     nil
+     "attachment"      (("filename" . file))
+     )
+
+    ("\\.signature"
+     "text"    "plain"         nil     nil     nil     nil)
+
+
+    ;;  Octect binary text
+
+    ("\\.doc$"                         ;MS Word
+     "application" "msword" nil
+     "base64"
+     "attachment" (("filename" . file))
+     )
+    ("\\.ppt$"                         ; MS Power Point
+     "application" "vnd.ms-powerpoint" nil
+     "base64"
+     "attachment" (("filename" . file))
+     )
+
+    ("\\.pln$"
+     "text"    "plain"         nil
+     nil
+     "inline"          (("filename" . file))
+     )
     ("\\.ps$"
      "application" "postscript"        nil
      "quoted-printable"
      "attachment"      (("filename" . file))
      )
-    ("\\.jpg$"
+
+    ;;  Pure binary
+
+    ("\\.jpg$\\|\\.jpeg$"
      "image"   "jpeg"          nil
      "base64"
      "inline"          (("filename" . file))
@@ -248,6 +350,11 @@ To insert a signature file automatically, call the function
      "base64"
      "inline"          (("filename" . file))
      )
+    ("\\.png$"
+     "image"   "png"           nil
+     "base64"
+     "inline"          (("filename" . file))
+     )
     ("\\.tiff$"
      "image"   "tiff"          nil
      "base64"
@@ -283,217 +390,230 @@ To insert a signature file automatically, call the function
      "base64"
      "attachment"      (("filename" . file))
      )
-    ("\\.el$"
-     "application" "octet-stream" (("type" . "emacs-lisp"))
-     "7bit"
-     "attachment"      (("filename" . file))
-     )
-    ("\\.lsp$"
-     "application" "octet-stream" (("type" . "common-lisp"))
-     "7bit"
-     "attachment"      (("filename" . file))
-     )
     ("\\.tar\\.gz$"
      "application" "octet-stream" (("type" . "tar+gzip"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
     ("\\.tgz$"
      "application" "octet-stream" (("type" . "tar+gzip"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
     ("\\.tar\\.Z$"
      "application" "octet-stream" (("type" . "tar+compress"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
     ("\\.taz$"
      "application" "octet-stream" (("type" . "tar+compress"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
     ("\\.gz$"
      "application" "octet-stream" (("type" . "gzip"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
     ("\\.Z$"
      "application" "octet-stream" (("type" . "compress"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
     ("\\.lzh$"
      "application" "octet-stream" (("type" . "lha"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
     ("\\.zip$"
      "application" "zip" nil
-     nil
-     "attachment"      (("filename" . file))
-     )
-    ("\\.diff$"
-     "application" "octet-stream" (("type" . "patch"))
-     nil
+     "base64"
      "attachment"      (("filename" . file))
      )
-    ("\\.signature"
-     "text"    "plain"         nil     nil)
+
+    ;; Rest
+
     (".*"
      "application" "octet-stream" nil
      nil
-     "attachment"      (("filename" . file))
-     )
+     "attachment"      (("filename" . file)))
     )
   "*Alist of file name, types, parameters, and default encoding.
-If encoding is nil, it is determined from its contents.")
+If encoding is nil, it is determined from its contents."
+  :type `(repeat
+         (list regexp
+               ;; primary-type
+               (choice :tag "Primary-Type"
+                       ,@(nconc (mapcar (lambda (cell)
+                                          (list 'item (car cell))
+                                          )
+                                        mime-content-types)
+                                '(string)))
+               ;; subtype
+               (choice :tag "Sub-Type"
+                       ,@(nconc
+                          (apply #'nconc
+                                 (mapcar (lambda (cell)
+                                           (mapcar (lambda (cell)
+                                                     (list 'item (car cell))
+                                                     )
+                                                   (cdr cell)))
+                                         mime-content-types))
+                          '(string)))
+               ;; parameters
+               (repeat :tag "Parameters of Content-Type field"
+                       (cons string (choice string symbol)))
+               ;; content-transfer-encoding
+               (choice :tag "Encoding"
+                       ,@(cons
+                          '(const nil)
+                          (mapcar (lambda (cell)
+                                    (list 'item cell)
+                                    )
+                                  (mime-encoding-list))))
+               ;; disposition-type
+               (choice :tag "Disposition-Type"
+                       (item nil)
+                       (item "inline")
+                       (item "attachment")
+                       string)
+               ;; parameters
+               (repeat :tag "Parameters of Content-Disposition field"
+                       (cons string (choice string symbol)))
+               ))
+  :group 'mime-edit)
+
 
 ;;; @@ about charset, encoding and transfer-level
 ;;;
 
-(defvar mime-editor/transfer-level 7
-  "*A number of network transfer level. It should be bigger than 7.")
-(make-variable-buffer-local 'mime-editor/transfer-level)
+(defvar mime-charset-type-list
+  '((us-ascii          7 nil)
+    (iso-8859-1                8 "quoted-printable")
+    (iso-8859-2                8 "quoted-printable")
+    (iso-8859-3                8 "quoted-printable")
+    (iso-8859-4                8 "quoted-printable")
+    (iso-8859-5                8 "quoted-printable")
+    (koi8-r            8 "quoted-printable")
+    (iso-8859-7                8 "quoted-printable")
+    (iso-8859-8                8 "quoted-printable")
+    (iso-8859-9                8 "quoted-printable")
+    (iso-8859-14       8 "quoted-printable")
+    (iso-8859-15       8 "quoted-printable")
+    (iso-2022-jp       7 "base64")
+    (iso-2022-jp-3     7 "base64")
+    (iso-2022-kr       7 "base64")
+    (euc-kr            8 "base64")
+    (cn-gb             8 "base64")
+    (gb2312            8 "base64")
+    (cn-big5           8 "base64")
+    (big5              8 "base64")
+    (shift_jis         8 "base64")
+    (tis-620           8 "base64")
+    (iso-2022-jp-2     7 "base64")
+    (iso-2022-int-1    7 "base64")
+    ))
+
+(defvar mime-transfer-level 7
+  "*A number of network transfer level.  It should be bigger than 7.")
+(make-variable-buffer-local 'mime-transfer-level)
+
+(defsubst mime-encoding-name (transfer-level &optional not-omit)
+  (cond ((> transfer-level 8) "binary")
+       ((= transfer-level 8) "8bit")
+       (not-omit "7bit")
+       ))
+
+(defvar mime-transfer-level-string
+  (mime-encoding-name mime-transfer-level 'not-omit)
+  "A string formatted version of mime-transfer-level")
+(make-variable-buffer-local 'mime-transfer-level-string)
 
-(defvar mime-editor/transfer-level-string
-  (mime/encoding-name mime-editor/transfer-level 'not-omit)
-  "*A string formatted version of mime/defaul-transfer-level")
-(make-variable-buffer-local 'mime-editor/transfer-level-string)
+;;; @@ about content transfer encoding
 
-(defvar mime-editor/charset-default-encoding-alist
-  (mime/make-charset-default-encoding-alist mime-editor/transfer-level))
-(make-variable-buffer-local 'mime-editor/charset-default-encoding-alist)
+(defvar mime-content-transfer-encoding-priority-list
+  '(nil "8bit" "binary"))
 
 ;;; @@ about message inserting
 ;;;
 
-(defvar mime-editor/yank-ignored-field-list
-  '("Received" "Approved" "Path" "Replied" "Status" "X-VM-.*" "X-UIDL")
+(defvar mime-edit-yank-ignored-field-list
+  '("Received" "Approved" "Path" "Replied" "Status"
+    "Xref" "X-UIDL" "X-Filter" "X-Gnus-.*" "X-VM-.*")
   "Delete these fields from original message when it is inserted
 as message/rfc822 part.
-Each elements are regexp of field-name. [mime-edit.el]")
+Each elements are regexp of field-name.")
 
-(defvar mime-editor/yank-ignored-field-regexp
+(defvar mime-edit-yank-ignored-field-regexp
   (concat "^"
-         (apply (function regexp-or) mime-editor/yank-ignored-field-list)
+         (apply (function regexp-or) mime-edit-yank-ignored-field-list)
          ":"))
 
-(defvar mime-editor/message-inserter-alist nil)
-(defvar mime-editor/mail-inserter-alist nil)
+(defvar mime-edit-message-inserter-alist nil)
+(defvar mime-edit-mail-inserter-alist nil)
+
 
 ;;; @@ about message splitting
 ;;;
 
-(defvar mime-editor/split-message t
-  "*Split large message if it is non-nil. [mime-edit.el]")
-
-(defvar mime-editor/message-default-max-length 1000
-  "*Default maximum size of a message. [mime-edit.el]")
+(defcustom mime-edit-split-message t
+  "*Split large message if it is non-nil."
+  :group 'mime-edit
+  :type 'boolean)
 
-(defvar mime-editor/message-max-length-alist
-  '((news-reply-mode . 500)))
+(defcustom mime-edit-message-default-max-lines 1000
+  "*Default maximum lines of a message."
+  :group 'mime-edit
+  :type 'integer)
 
-(defconst mime-editor/split-ignored-field-regexp
-  "\\(^Content-\\|^Subject:\\|^Mime-Version:\\)")
+(defcustom mime-edit-message-max-lines-alist
+  '((news-reply-mode . 500))
+  "Alist of major-mode vs maximum lines of a message.
+If it is not specified for a major-mode,
+`mime-edit-message-default-max-lines' is used."
+  :group 'mime-edit
+  :type 'list)
 
-(defvar mime-editor/split-blind-field-regexp
-  "\\(^[BDFbdf]cc:\\|^cc:[ \t]*$\\)")
-
-(defvar mime-editor/message-default-sender-alist
-  '((mail-mode . mail-send-and-exit)
-    (mh-letter-mode . mh-send-letter)
-    (news-reply-mode . gnus-inews-news)
-    ))
-
-(defvar mime-editor/split-message-sender-alist
-  '((mail-mode
-     . (lambda ()
-        (interactive)
-        (sendmail-send-it)
-        ))
-    (mh-letter-mode
-     . (lambda (&optional arg)
-        (interactive "P")
-        (write-region (point-min) (point-max)
-                      mime-editor/draft-file-name nil 'no-message)
-        (cond (arg
-               (pop-to-buffer "MH mail delivery")
-               (erase-buffer)
-               (mh-exec-cmd-output mh-send-prog t "-watch" "-nopush"
-                                   "-nodraftfolder"
-                                   mh-send-args mime-editor/draft-file-name)
-               (goto-char (point-max)) ; show the interesting part
-               (recenter -1)
-               (sit-for 1))
-              (t
-               (apply 'mh-exec-cmd-quiet t mh-send-prog 
-                      (mh-list-to-string
-                       (list "-nopush" "-nodraftfolder"
-                             "-noverbose" "-nowatch"
-                             mh-send-args mime-editor/draft-file-name)))))
-        ))
-    ))
-
-(defvar mime-editor/window-config-alist
-  '((mail-mode       . nil)
-    (mh-letter-mode  . mh-previous-window-config)
-    (news-reply-mode . (cond ((boundp 'gnus-winconf-post-news)
-                             (prog1
-                                 gnus-winconf-post-news
-                               (setq gnus-winconf-post-news nil)
-                               ))
-                            ((boundp 'gnus-prev-winconf)
-                             (prog1
-                                 gnus-prev-winconf
-                               (setq gnus-prev-winconf nil)
-                               ))
-                            ))
-    ))
-
-(defvar mime-editor/news-reply-mode-server-running nil)
+(defconst mime-edit-split-ignored-field-regexp
+  "\\(^Content-\\|^Subject:\\|^Mime-Version:\\|^Message-Id:\\)")
 
+(defcustom mime-edit-split-blind-field-regexp
+  "\\(^[BDFbdf]cc:\\|^cc:[ \t]*$\\)"
+  "*Regular expression to match field-name to be ignored when split sending."
+  :group 'mime-edit
+  :type 'regexp)
 
-;;; @@ about PGP
-;;;
-
-(defvar mime-editor/signing-type nil
-  "*PGP signing type (pgp-elkins, pgp-kazu or nil). [mime-edit.el]")
+(defvar mime-edit-split-message-sender-alist nil)
 
-(defvar mime-editor/encrypting-type nil
-  "*PGP encrypting type (pgp-elkins, pgp-kazu or nil). [mime-edit.el]")
-
-(if (or mime-editor/signing-type mime-editor/encrypting-type)
-    (require 'mailcrypt)
-  )
+(defvar mime-edit-news-reply-mode-server-running nil)
 
 
 ;;; @@ about tag
 ;;;
 
-(defconst mime-editor/single-part-tag-regexp
+(defconst mime-edit-single-part-tag-regexp
   "--[[][[]\\([^]]*\\)]\\([[]\\([^]]*\\)]\\|\\)]"
   "*Regexp of MIME tag in the form of [[CONTENT-TYPE][ENCODING]].")
 
-(defconst mime-editor/quoted-single-part-tag-regexp
-  (concat "- " (substring mime-editor/single-part-tag-regexp 1)))
+(defconst mime-edit-quoted-single-part-tag-regexp
+  (concat "- " (substring mime-edit-single-part-tag-regexp 1)))
 
-(defconst mime-editor/multipart-beginning-regexp "--<<\\([^<>]+\\)>>-{\n")
+(defconst mime-edit-multipart-beginning-regexp "--<<\\([^<>]+\\)>>-{\n")
 
-(defconst mime-editor/multipart-end-regexp "--}-<<\\([^<>]+\\)>>\n")
+(defconst mime-edit-multipart-end-regexp "--}-<<\\([^<>]+\\)>>\n")
 
-(defconst mime-editor/beginning-tag-regexp
-  (regexp-or mime-editor/single-part-tag-regexp
-            mime-editor/multipart-beginning-regexp))
+(defconst mime-edit-beginning-tag-regexp
+  (regexp-or mime-edit-single-part-tag-regexp
+            mime-edit-multipart-beginning-regexp))
 
-(defconst mime-editor/end-tag-regexp
-  (regexp-or mime-editor/single-part-tag-regexp
-            mime-editor/multipart-end-regexp))
+(defconst mime-edit-end-tag-regexp
+  (regexp-or mime-edit-single-part-tag-regexp
+            mime-edit-multipart-end-regexp))
 
-(defconst mime-editor/tag-regexp
-  (regexp-or mime-editor/single-part-tag-regexp
-            mime-editor/multipart-beginning-regexp
-            mime-editor/multipart-end-regexp))
+(defconst mime-edit-tag-regexp
+  (regexp-or mime-edit-single-part-tag-regexp
+            mime-edit-multipart-beginning-regexp
+            mime-edit-multipart-end-regexp))
 
 (defvar mime-tag-format "--[[%s]]"
   "*Control-string making a MIME tag.")
@@ -501,6 +621,7 @@ Each elements are regexp of field-name. [mime-edit.el]")
 (defvar mime-tag-format-with-encoding "--[[%s][%s]]"
   "*Control-string making a MIME tag with encoding.")
 
+
 ;;; @@ multipart boundary
 ;;;
 
@@ -508,12 +629,85 @@ Each elements are regexp of field-name. [mime-edit.el]")
   "*Boundary of a multipart message.")
 
 
-;;; @@ buffer local variables
+;;; @@ optional header fields
 ;;;
 
-(defvar mime/editor-mode-old-local-map nil)
-(defvar mime/editor-mode-old-selective-display nil)
-(defvar mime/editing-buffer nil)
+(defvar mime-edit-insert-user-agent-field t
+  "*If non-nil, insert User-Agent header field.")
+
+(defvar mime-edit-user-agent-value
+  (concat (mime-product-name mime-user-interface-product)
+         "/"
+         (mapconcat #'number-to-string
+                    (mime-product-version mime-user-interface-product) ".")
+         " ("
+         (mime-product-code-name mime-user-interface-product)
+         ") "
+         (mime-product-name mime-library-product)
+         "/"
+         (mapconcat #'number-to-string
+                    (mime-product-version mime-library-product) ".")
+         " ("
+         (mime-product-code-name mime-library-product)
+         ") "
+         (if (fboundp 'apel-version)
+             (concat (apel-version) " "))
+         (if (featurep 'xemacs)
+             (concat (cond ((and (featurep 'chise)
+                                 (boundp 'xemacs-chise-version))
+                            (concat "CHISE-MULE/" xemacs-chise-version))
+                           ((featurep 'utf-2000)
+                            (concat "UTF-2000-MULE/" utf-2000-version))
+                           ((featurep 'mule) "MULE"))
+                     " XEmacs"
+                     (if (string-match "^[0-9]+\\(\\.[0-9]+\\)" emacs-version)
+                         (concat
+                          "/"
+                          (substring emacs-version 0 (match-end 0))
+                          (cond ((and (boundp 'xemacs-betaname)
+                                      xemacs-betaname)
+                                 ;; It does not exist in XEmacs
+                                 ;; versions prior to 20.3.
+                                 (concat " " xemacs-betaname))
+                                ((and (boundp 'emacs-patch-level)
+                                      emacs-patch-level)
+                                 ;; It does not exist in FSF Emacs or in
+                                 ;; XEmacs versions earlier than 21.1.1.
+                                 (format " (patch %d)" emacs-patch-level))
+                                (t ""))
+                          " (" xemacs-codename ")"
+                          ;; `xemacs-extra-name' has appeared in the
+                          ;; development version of XEmacs 21.5-b8.
+                          (if (and (boundp 'xemacs-extra-name)
+                                   (symbol-value 'xemacs-extra-name))
+                              (concat " " (symbol-value 'xemacs-extra-name))
+                            "")
+                          " ("
+                          system-configuration ")")
+                       " (" emacs-version ")"))
+           (let ((ver (if (string-match "\\.[0-9]+$" emacs-version)
+                          (substring emacs-version 0 (match-beginning 0))
+                        emacs-version)))
+             (if (featurep 'mule)
+                 (if (boundp 'enable-multibyte-characters)
+                     (concat "Emacs/" ver
+                             " (" system-configuration ")"
+                             (if enable-multibyte-characters
+                                 (concat " MULE/" mule-version)
+                               " (with unibyte mode)")
+                             (if (featurep 'meadow)
+                                 (let ((mver (Meadow-version)))
+                                   (if (string-match "^Meadow-" mver)
+                                       (concat " Meadow/"
+                                               (substring mver
+                                                          (match-end 0)))
+                                     ))))
+                   (concat "MULE/" mule-version
+                           " (based on Emacs " ver ")"))
+               (concat "Emacs/" ver " (" system-configuration ")")))))
+  "Body of User-Agent field.
+If variable `mime-edit-insert-user-agent-field' is not nil, it is
+inserted into message header.")
 
 \f
 ;;; @ constants
@@ -523,182 +717,235 @@ Each elements are regexp of field-name. [mime-edit.el]")
   "*Specify MIME tspecials.
 Tspecials means any character that matches with it in header must be quoted.")
 
-(defconst mime-editor/mime-version-value
-  (concat "1.0 (" mime-editor/version-name ")")
+(defconst mime-edit-mime-version-value
+  (concat "1.0 (generated by " mime-edit-version ")")
   "MIME version number.")
 
-(defconst mime-editor/mime-map (make-sparse-keymap)
-  "Keymap for MIME commands.")
+(defconst mime-edit-mime-version-field-for-message/partial
+  (concat "MIME-Version:"
+         (mime-encode-field-body
+          (concat " 1.0 (split by " mime-edit-version ")\n")
+          "MIME-Version:"))
+  "MIME version field for message/partial.")
 
 
 ;;; @ keymap and menu
 ;;;
 
-(defvar mime/editor-mode-flag nil)
-(make-variable-buffer-local 'mime/editor-mode-flag)
-
-(set-alist 'minor-mode-alist
-          'mime/editor-mode-flag
-          '((" MIME-Edit "  mime-editor/transfer-level-string)))
-
-(defun mime-editor/define-keymap (keymap)
-  "Add mime-editor commands to KEYMAP."
-  (if (not (keymapp keymap))
-      nil
-    (define-key keymap "\C-t" 'mime-editor/insert-text)
-    (define-key keymap "\C-i" 'mime-editor/insert-file)
-    (define-key keymap "\C-e" 'mime-editor/insert-external)
-    (define-key keymap "\C-v" 'mime-editor/insert-voice)
-    (define-key keymap "\C-y" 'mime-editor/insert-message)
-    (define-key keymap "\C-m" 'mime-editor/insert-mail)
-    (define-key keymap "\C-w" 'mime-editor/insert-signature)
-    (define-key keymap "\C-s" 'mime-editor/insert-signature)
-    (define-key keymap "\C-k" 'mime-editor/insert-key)
-    (define-key keymap "t"    'mime-editor/insert-tag)
-    (define-key keymap "a"    'mime-editor/enclose-alternative-region)
-    (define-key keymap "p"    'mime-editor/enclose-parallel-region)
-    (define-key keymap "m"    'mime-editor/enclose-mixed-region)
-    (define-key keymap "d"    'mime-editor/enclose-digest-region)
-    (define-key keymap "s"    'mime-editor/enclose-signed-region)
-    (define-key keymap "e"    'mime-editor/enclose-encrypted-region)
-    (define-key keymap "q"    'mime-editor/enclose-quote-region)
-    (define-key keymap "\C-p" 'mime-editor/preview-message)
-    (define-key keymap "\C-z" 'mime-editor/exit)
-    (define-key keymap "?"    'mime-editor/help)
-    ))
-
-(mime-editor/define-keymap mime-editor/mime-map)
-
-(defconst mime-editor/menu-title "MIME-Edit")
-
-(defconst mime-editor/menu-list
-  '((mime-help "Describe MIME editor mode" mime-editor/help)
-    (file      "Insert File"           mime-editor/insert-file)
-    (external  "Insert External"       mime-editor/insert-external)
-    (voice     "Insert Voice"          mime-editor/insert-voice)
-    (message   "Insert Message"        mime-editor/insert-message)
-    (mail      "Insert Mail"           mime-editor/insert-mail)
-    (signature "Insert Signature"      mime-editor/insert-signature)
-    (text      "Insert Text"           mime-editor/insert-text)
-    (tag       "Insert Tag"            mime-editor/insert-tag)
+(defvar mime-edit-mode-flag nil)
+(make-variable-buffer-local 'mime-edit-mode-flag)
+
+(defvar mime-edit-mode-entity-prefix "\C-c\C-x"
+  "Keymap prefix for MIME-Edit mode commands to insert entity or set status.")
+(defvar mime-edit-mode-entity-map (make-sparse-keymap)
+  "Keymap for MIME-Edit mode commands to insert entity or set status.")
+
+(define-key mime-edit-mode-entity-map "\C-t" 'mime-edit-insert-text)
+(define-key mime-edit-mode-entity-map "\C-i" 'mime-edit-insert-file)
+(define-key mime-edit-mode-entity-map "\C-e" 'mime-edit-insert-external)
+(define-key mime-edit-mode-entity-map "\C-v" 'mime-edit-insert-voice)
+(define-key mime-edit-mode-entity-map "\C-y" 'mime-edit-insert-message)
+(define-key mime-edit-mode-entity-map "\C-m" 'mime-edit-insert-mail)
+(define-key mime-edit-mode-entity-map "\C-w" 'mime-edit-insert-signature)
+(define-key mime-edit-mode-entity-map "\C-s" 'mime-edit-insert-signature)
+(define-key mime-edit-mode-entity-map "\C-k" 'mime-edit-insert-key)
+(define-key mime-edit-mode-entity-map "t"    'mime-edit-insert-tag)
+
+(define-key mime-edit-mode-entity-map "7" 'mime-edit-set-transfer-level-7bit)
+(define-key mime-edit-mode-entity-map "8" 'mime-edit-set-transfer-level-8bit)
+(define-key mime-edit-mode-entity-map "/" 'mime-edit-set-split)
+(define-key mime-edit-mode-entity-map "s" 'mime-edit-set-sign)
+(define-key mime-edit-mode-entity-map "v" 'mime-edit-set-sign)
+(define-key mime-edit-mode-entity-map "e" 'mime-edit-set-encrypt)
+(define-key mime-edit-mode-entity-map "h" 'mime-edit-set-encrypt)
+(define-key mime-edit-mode-entity-map "p" 'mime-edit-preview-message)
+(define-key mime-edit-mode-entity-map "\C-z" 'mime-edit-exit)
+(define-key mime-edit-mode-entity-map "?" 'mime-edit-help)
+
+(defvar mime-edit-mode-enclosure-prefix "\C-c\C-m"
+  "Keymap prefix for MIME-Edit mode commands about enclosure.")
+(defvar mime-edit-mode-enclosure-map (make-sparse-keymap)
+  "Keymap for MIME-Edit mode commands about enclosure.")
+
+(define-key mime-edit-mode-enclosure-map
+  "\C-a" 'mime-edit-enclose-alternative-region)
+(define-key mime-edit-mode-enclosure-map
+  "\C-p" 'mime-edit-enclose-parallel-region)
+(define-key mime-edit-mode-enclosure-map
+  "\C-m" 'mime-edit-enclose-mixed-region)
+(define-key mime-edit-mode-enclosure-map
+  "\C-d" 'mime-edit-enclose-digest-region)
+(define-key mime-edit-mode-enclosure-map
+  "\C-s" 'mime-edit-enclose-pgp-signed-region)
+(define-key mime-edit-mode-enclosure-map
+  "\C-e" 'mime-edit-enclose-pgp-encrypted-region)
+(define-key mime-edit-mode-enclosure-map
+  "\C-q" 'mime-edit-enclose-quote-region)
+
+(defvar mime-edit-mode-map (make-sparse-keymap)
+  "Keymap for MIME-Edit mode commands.")
+(define-key mime-edit-mode-map
+  mime-edit-mode-entity-prefix mime-edit-mode-entity-map)
+(define-key mime-edit-mode-map
+  mime-edit-mode-enclosure-prefix mime-edit-mode-enclosure-map)
+
+(defconst mime-edit-menu-title "MIME-Edit")
+
+(defconst mime-edit-menu-list
+  '((mime-help "Describe MIME editor mode" mime-edit-help)
+    (file      "Insert File"           mime-edit-insert-file)
+    (external  "Insert External"       mime-edit-insert-external)
+    (voice     "Insert Voice"          mime-edit-insert-voice)
+    (message   "Insert Message"        mime-edit-insert-message)
+    (mail      "Insert Mail"           mime-edit-insert-mail)
+    (signature "Insert Signature"      mime-edit-insert-signature)
+    (text      "Insert Text"           mime-edit-insert-text)
+    (tag       "Insert Tag"            mime-edit-insert-tag)
     (alternative "Enclose as alternative"
-                mime-editor/enclose-alternative-region)
-    (parallel  "Enclose as parallel"   mime-editor/enclose-parallel-region)
-    (mixed     "Enclose as serial"     mime-editor/enclose-mixed-region)
-    (digest    "Enclose as digest"     mime-editor/enclose-digest-region)
-    (signed    "Enclose as signed"     mime-editor/enclose-signed-region)
-    (encrypted "Enclose as encrypted"  mime-editor/enclose-encrypted-region)
-    (quote     "Verbatim region"       mime-editor/enclose-quote-region)
-    (key       "Insert Public Key"     mime-editor/insert-key)
-    (split     "About split"           mime-editor/set-split)
-    (sign      "About sign"            mime-editor/set-sign)
-    (encrypt   "About encryption"      mime-editor/set-encrypt)
-    (preview   "Preview Message"       mime-editor/preview-message)
-    (level     "Toggle transfer-level" mime-editor/toggle-transfer-level)
+                mime-edit-enclose-alternative-region)
+    (parallel  "Enclose as parallel"   mime-edit-enclose-parallel-region)
+    (mixed     "Enclose as serial"     mime-edit-enclose-mixed-region)
+    (digest    "Enclose as digest"     mime-edit-enclose-digest-region)
+    (signed    "Enclose as signed"     mime-edit-enclose-pgp-signed-region)
+    (encrypted "Enclose as encrypted"  mime-edit-enclose-pgp-encrypted-region)
+    (quote     "Verbatim region"       mime-edit-enclose-quote-region)
+    (key       "Insert Public Key"     mime-edit-insert-key)
+    (split     "Set splitting"         mime-edit-set-split)
+    (sign      "PGP sign"              mime-edit-set-sign)
+    (encrypt   "PGP encrypt"           mime-edit-set-encrypt)
+    (preview   "Preview Message"       mime-edit-preview-message)
+    (level     "Toggle transfer-level" mime-edit-toggle-transfer-level)
     )
   "MIME-edit menubar entry.")
 
-(defun mime-editor/define-menu-for-emacs19 ()
-  "Define menu for Emacs 19."
-  (define-key (current-local-map) [menu-bar mime-edit]
-    (cons mime-editor/menu-title
-         (make-sparse-keymap mime-editor/menu-title)))
-  (mapcar (function
-          (lambda (item)
-            (define-key (current-local-map)
-              (vector 'menu-bar 'mime-edit (car item))
-              (cons (nth 1 item)(nth 2 item))
+(cond ((featurep 'xemacs)
+       ;; modified by Pekka Marjola <pema@iki.fi>
+       ;;      1995/9/5 (c.f. [tm-en:69])
+       (defun mime-edit-define-menu-for-xemacs ()
+        "Define menu for XEmacs."
+        (cond ((featurep 'menubar)
+               (make-local-variable 'current-menubar)
+               (set-buffer-menubar current-menubar)
+               (add-submenu
+                nil
+                (cons mime-edit-menu-title
+                      (mapcar (function
+                               (lambda (item)
+                                 (vector (nth 1 item)(nth 2 item)
+                                         mime-edit-mode-flag)
+                                 ))
+                              mime-edit-menu-list)))
+               )))
+
+       ;; modified by Steven L. Baur <steve@miranova.com>
+       ;;      1995/12/6 (c.f. [tm-en:209])
+       (or (boundp 'mime-edit-popup-menu-for-xemacs)
+          (setq mime-edit-popup-menu-for-xemacs
+                (append '("MIME Commands" "---")
+                        (mapcar (function (lambda (item)
+                                            (vector (nth 1 item)
+                                                    (nth 2 item)
+                                                    t)))
+                                mime-edit-menu-list)))
+          )
+       )
+      ((>= emacs-major-version 19)
+       (define-key mime-edit-mode-map [menu-bar mime-edit]
+        (cons mime-edit-menu-title
+              (make-sparse-keymap mime-edit-menu-title)))
+       (mapcar (function
+               (lambda (item)
+                 (define-key mime-edit-mode-map
+                   (vector 'menu-bar 'mime-edit (car item))
+                   (cons (nth 1 item)(nth 2 item))
+                   )
+                 ))
+              (reverse mime-edit-menu-list)
               )
-            ))
-         (reverse mime-editor/menu-list)
-         ))
-
-;;; modified by Pekka Marjola <pema@iki.fi>
-;;;    1995/9/5 (c.f. [tm-en:69])
-(defun mime-editor/define-menu-for-xemacs ()
-  "Define menu for Emacs 19."
-  (cond ((featurep 'menubar)
-        (make-local-variable 'current-menubar)
-        (set-buffer-menubar current-menubar)
-        (add-submenu nil
-                     (cons mime-editor/menu-title
-                           (mapcar (function
-                                    (lambda (item)
-                                      (vector (nth 1 item)(nth 2 item)
-                                              mime/editor-mode-flag)
-                                      ))
-                                   mime-editor/menu-list)))
-        )))
-
-;;; modified by Steven L. Baur <steve@miranova.com>
-;;;    1995/12/6 (c.f. [tm-en:209])
-(if (and running-xemacs (not (boundp 'mime-editor/popup-menu-for-xemacs)))
-    (setq mime-editor/popup-menu-for-xemacs
-         (append '("MIME Commands" "---")
-                 (mapcar (function (lambda (item)
-                                     (vector (nth 1 item)
-                                             (nth 2 item)
-                                             t)))
-                         mime-editor/menu-list)))
-  )
-;;; end
+       ))
 
 
 ;;; @ functions
 ;;;
 
+(defvar mime-edit-touched-flag nil)
+
 ;;;###autoload
-(defun mime/editor-mode ()
+(defun mime-edit-mode ()
   "MIME minor mode for editing the tagged MIME message.
 
 In this mode, basically, the message is composed in the tagged MIME
-format.  The message tag looks like:
+format. The message tag looks like:
 
-       `--[[text/plain; charset=ISO-2022-JP][7bit]]'.
+       --[[text/plain; charset=ISO-2022-JP][7bit]]
 
 The tag specifies the MIME content type, subtype, optional parameters
 and transfer encoding of the message following the tag.  Messages
 without any tag are treated as `text/plain' by default.  Charset and
 transfer encoding are automatically defined unless explicitly
-specified.  Binary messages such as audio and image are usually hidden
-using selective-display facility.  The messages in the tagged MIME
-format are automatically translated into a MIME compliant message when
-exiting this mode.
+specified.  Binary messages such as audio and image are usually
+hidden.  The messages in the tagged MIME format are automatically
+translated into a MIME compliant message when exiting this mode.
 
 Available charsets depend on Emacs version being used.  The following
 lists the available charsets of each emacs.
 
-Emacs18:       US-ASCII is only available.
-NEmacs:                US-ASCII and ISO-2022-JP are available.
-Emacs19:       US-ASCII and ISO-8859-1 are available.
-Mule:          US-ASCII, ISO-8859-* (except for ISO-8859-6),
-               ISO-2022-JP, ISO-2022-JP-2 and ISO-2022-INT-1 are available.
+Without mule:  US-ASCII and ISO-8859-1 (or other charset) are available.
+With mule:     US-ASCII, ISO-8859-* (except for ISO-8859-5), KOI8-R,
+               ISO-2022-JP, ISO-2022-JP-2, EUC-KR, CN-GB-2312,
+               CN-BIG5 and ISO-2022-INT-1 are available.
 
-ISO-2022-JP-2 and ISO-2022-INT-1 charsets used in Mule is expected to
+ISO-2022-JP-2 and ISO-2022-INT-1 charsets used in mule is expected to
 be used to represent multilingual text in intermixed manner.  Any
 languages that has no registered charset are represented as either
-ISO-2022-JP-2 or ISO-2022-INT-1 in Mule.
+ISO-2022-JP-2 or ISO-2022-INT-1 in mule.
+
+If you want to use non-ISO-8859-1 charset in Emacs 19 or XEmacs
+without mule, please set variable `default-mime-charset'.  This
+variable must be symbol of which name is a MIME charset.
+
+If you want to add more charsets in mule, please set variable
+`charsets-mime-charset-alist'.  This variable must be alist of which
+key is list of charset and value is symbol of MIME charset.  If name
+of coding-system is different as MIME charset, please set variable
+`mime-charset-coding-system-alist'.  This variable must be alist of
+which key is MIME charset and value is coding-system.
 
 Following commands are available in addition to major mode commands:
-\\[mime-editor/insert-text]    insert a text message.
-\\[mime-editor/insert-file]    insert a (binary) file.
-\\[mime-editor/insert-external]        insert a reference to external body.
-\\[mime-editor/insert-voice]   insert a voice message.
-\\[mime-editor/insert-message] insert a mail or news message.
-\\[mime-editor/insert-mail]    insert a mail message.
-\\[mime-editor/insert-signature]       insert a signature file at end.
-\\[mime-editor/insert-tag]     insert a new MIME tag.
-\\[mime-editor/enclose-alternative-region]     enclose as multipart/alternative.
-\\[mime-editor/enclose-parallel-region]        enclose as multipart/parallel.
-\\[mime-editor/enclose-mixed-region]   enclose as multipart/mixed.
-\\[mime-editor/enclose-digest-region]  enclose as multipart/digest.
-\\[mime-editor/enclose-signed-region]  enclose as PGP signed.
-\\[mime-editor/enclose-encrypted-region]       enclose as PGP encrypted.
-\\[mime-editor/insert-key]     insert PGP public key.
-\\[mime-editor/preview-message]        preview editing MIME message.
-\\[mime-editor/exit]   exit and translate into a MIME compliant message.
-\\[mime-editor/maybe-translate]        exit and translate if in MIME mode, then split.
-\\[mime-editor/help]   show this help.
+
+\[make single part\]
+\\[mime-edit-insert-text]      insert a text message.
+\\[mime-edit-insert-file]      insert a (binary) file.
+\\[mime-edit-insert-external]  insert a reference to external body.
+\\[mime-edit-insert-voice]     insert a voice message.
+\\[mime-edit-insert-message]   insert a mail or news message.
+\\[mime-edit-insert-mail]      insert a mail message.
+\\[mime-edit-insert-signature] insert a signature file at end.
+\\[mime-edit-insert-key]       insert PGP public key.
+\\[mime-edit-insert-tag]       insert a new MIME tag.
+
+\[make enclosure (maybe multipart)\]
+\\[mime-edit-enclose-alternative-region]   enclose as multipart/alternative.
+\\[mime-edit-enclose-parallel-region]     enclose as multipart/parallel.
+\\[mime-edit-enclose-mixed-region]        enclose as multipart/mixed.
+\\[mime-edit-enclose-digest-region]       enclose as multipart/digest.
+\\[mime-edit-enclose-pgp-signed-region]           enclose as PGP signed.
+\\[mime-edit-enclose-pgp-encrypted-region] enclose as PGP encrypted.
+\\[mime-edit-enclose-quote-region]        enclose as verbose mode
+                                          (to avoid to expand tags)
+
+\[other commands\]
+\\[mime-edit-set-transfer-level-7bit]  set transfer-level as 7.
+\\[mime-edit-set-transfer-level-8bit]  set transfer-level as 8.
+\\[mime-edit-set-split]                        set message splitting mode.
+\\[mime-edit-set-sign]                 set PGP-sign mode.
+\\[mime-edit-set-encrypt]              set PGP-encryption mode.
+\\[mime-edit-preview-message]          preview editing MIME message.
+\\[mime-edit-exit]                     exit and translate into a MIME
+                                       compliant message.
+\\[mime-edit-help]                     show this help.
+\\[mime-edit-maybe-translate]          exit and translate if in MIME mode,
+                                       then split.
 
 Additional commands are available in some major modes:
 C-c C-c                exit, translate and run the original command.
@@ -712,16 +959,18 @@ TABs at the beginning of the line are not a part of the message:
        --[[text/plain]]
        This is also a plain text.  But, it is explicitly specified as
        is.
-       --[[text/plain; charset=ISO-2022-JP]]
-       \e$B$3$l$O\e(B charset \e$B$r\e(B ISO-2022-JP \e$B$K;XDj$7$?F|K\8l$N\e(B plain \e$B%F%-%9\e(B
-       \e$B%H$G$9\e(B.
-       --[[text/richtext]]
-       <center>This is a richtext.</center>
-       --[[image/gif][base64]]^M...image encoded in base64 here...
-       --[[audio/basic][base64]]^M...audio encoded in base64 here...
+       --[[text/plain; charset=ISO-8859-1]]
+       This is also a plain text.  But charset is specified as
+       iso-8859-1.
+
+       ¡Hola!  Buenos días.  ¿Cómo está usted?
+       --[[text/enriched]]
+       This is a <bold>enriched text</bold>.
+       --[[image/gif][base64]]...image encoded in base64 here...
+       --[[audio/basic][base64]]...audio encoded in base64 here...
 
 User customizable variables (not documented all of them):
- mime-prefix
+ mime-edit-prefix
     Specifies a key prefix for MIME minor mode commands.
 
  mime-ignore-preceding-spaces
@@ -730,164 +979,177 @@ User customizable variables (not documented all of them):
  mime-ignore-trailing-spaces
     Trailing white spaces in a message body are ignored if non-nil.
 
- mime-auto-fill-header
-    Fill header fields that contain encoded-words if non-nil.
-
  mime-auto-hide-body
     Hide a non-textual body message encoded in base64 after insertion
     if non-nil.
 
- mime-voice-recorder
-    Specifies a function to record a voice message and return a buffer
-    that contains it.  The function mime-voice-recorder-for-sun is for
-    Sun SparcStations.
+ mime-transfer-level
+    A number of network transfer level.  It should be bigger than 7.
+    If you are in 8bit-through environment, please set 8.
+
+ mime-edit-voice-recorder
+    Specifies a function to record a voice message and encode it.
+    The function `mime-edit-voice-recorder-for-sun' is for Sun
+    SparcStations.
 
- mime/editor-mode-hook
-    Turning on MIME mode calls the value of mime/editor-mode-hook, if
+ mime-edit-mode-hook
+    Turning on MIME mode calls the value of mime-edit-mode-hook, if
     it is non-nil.
 
- mime-editor/translate-hook
-    The value of mime-editor/translate-hook is called just before translating
+ mime-edit-translate-hook
+    The value of mime-edit-translate-hook is called just before translating
     the tagged MIME format into a MIME compliant message if it is
-    non-nil.  If the hook call the function mime-editor/insert-signature,
+    non-nil.  If the hook call the function mime-edit-insert-signature,
     the signature file will be inserted automatically.
 
- mime-editor/exit-hook
-    Turning off MIME mode calls the value of mime-editor/exit-hook, if it is
+ mime-edit-exit-hook
+    Turning off MIME mode calls the value of mime-edit-exit-hook, if it is
     non-nil."
   (interactive)
-  (if mime/editor-mode-flag
+  (if mime-edit-mode-flag
+      (mime-edit-exit)
+    (if mime-edit-touched-flag
+       (mime-edit-again)
+      (make-local-variable 'mime-edit-touched-flag)
+      (setq mime-edit-touched-flag t)
+      (turn-on-mime-edit)
+      )))
+
+
+(cond ((featurep 'xemacs)
+       (add-minor-mode 'mime-edit-mode-flag
+                      '((" MIME-Edit "  mime-transfer-level-string))
+                      mime-edit-mode-map
+                      nil
+                      'mime-edit-mode)
+       )
+      (t
+       (set-alist 'minor-mode-alist
+                 'mime-edit-mode-flag
+                 '((" MIME-Edit "  mime-transfer-level-string)))
+       (set-alist 'minor-mode-map-alist
+                 'mime-edit-mode-flag
+                 mime-edit-mode-map)
+       ))
+
+
+;;;###autoload
+(defun turn-on-mime-edit ()
+  "Unconditionally turn on MIME-Edit mode."
+  (interactive)
+  (if mime-edit-mode-flag
       (error "You are already editing a MIME message.")
-    (setq mime/editor-mode-flag t)
-    ;; Remember old key bindings.
-    (if running-xemacs
-       nil
-      (make-local-variable 'mime/editor-mode-old-local-map)
-      (setq mime/editor-mode-old-local-map (current-local-map))
-      ;; Add MIME commands to current local map.
-      (use-local-map (copy-keymap (current-local-map)))
-      )
-    (if (not (lookup-key (current-local-map) mime-prefix))
-       (define-key (current-local-map) mime-prefix mime-editor/mime-map))
+    (setq mime-edit-mode-flag t)
 
     ;; Set transfer level into mode line
     ;;
-    (setq mime-editor/transfer-level-string
-         (mime/encoding-name mime-editor/transfer-level 'not-omit))
+    (setq mime-transfer-level-string
+         (mime-encoding-name mime-transfer-level 'not-omit))
     (force-mode-line-update)
-    
-    ;; Define menu.  Menus for other emacs implementations are
-    ;; welcome.
-    (cond (running-xemacs
-          (mime-editor/define-menu-for-xemacs))
-         ((>= emacs-major-version 19)
-          (mime-editor/define-menu-for-emacs19)
-          ))
-    ;; end
-    
-    ;; Remember old selective-display.
-    (make-local-variable 'mime/editor-mode-old-selective-display)
-    (setq mime/editor-mode-old-selective-display selective-display)
-    (setq selective-display t)
+
+    ;; Define menu for XEmacs.
+    (if (featurep 'xemacs)
+       (mime-edit-define-menu-for-xemacs)
+      )
+
+    (enable-invisible)
+
     ;; I don't care about saving these.
     (setq paragraph-start
-         (regexp-or mime-editor/single-part-tag-regexp
+         (regexp-or mime-edit-single-part-tag-regexp
                     paragraph-start))
     (setq paragraph-separate
-         (regexp-or mime-editor/single-part-tag-regexp
+         (regexp-or mime-edit-single-part-tag-regexp
                     paragraph-separate))
-    (run-hooks 'mime/editor-mode-hook)
+    (run-hooks 'mime-edit-mode-hook)
     (message
+     "%s"
      (substitute-command-keys
-      "Type \\[mime-editor/exit] to exit MIME mode, and type \\[mime-editor/help] to get help."))
+      "Type \\[mime-edit-exit] to exit MIME mode, and type \\[mime-edit-help] to get help."))
     ))
 
 ;;;###autoload
-(defalias 'edit-mime 'mime/editor-mode)                ; for convenience
-(defalias 'mime-mode 'mime/editor-mode)                ; for convenience
+(defalias 'edit-mime 'turn-on-mime-edit) ; for convenience
 
-(defun mime-editor/exit (&optional nomime no-error)
+
+(defun mime-edit-exit (&optional nomime no-error)
   "Translate the tagged MIME message into a MIME compliant message.
 With no argument encode a message in the buffer into MIME, otherwise
 just return to previous mode."
   (interactive "P")
-  (if (not mime/editor-mode-flag)
+  (if (not mime-edit-mode-flag)
       (if (null no-error)
          (error "You aren't editing a MIME message.")
        )
     (if (not nomime)
        (progn
-         (run-hooks 'mime-editor/translate-hook)
-         (mime-editor/translate-buffer)))
+         (run-hooks 'mime-edit-translate-hook)
+         (mime-edit-translate-buffer)))
     ;; Restore previous state.
-    (setq mime/editor-mode-flag nil)
-    (cond (running-xemacs
-          ;; mime-prefix only defined if binding was nil
-          (if (eq (lookup-key (current-local-map) mime-prefix)
-                  mime-editor/mime-map)
-              (define-key (current-local-map) mime-prefix nil))
-          (delete-menu-item (list mime-editor/menu-title)))
-         (t
-          (use-local-map mime/editor-mode-old-local-map)))
-    
-    (setq selective-display mime/editor-mode-old-selective-display)
+    (setq mime-edit-mode-flag nil)
+    (if (and (featurep 'xemacs)
+            (featurep 'menubar))
+       (delete-menu-item (list mime-edit-menu-title))
+      )
+    (end-of-invisible)
     (set-buffer-modified-p (buffer-modified-p))
-    (run-hooks 'mime-editor/exit-hook)
+    (run-hooks 'mime-edit-exit-hook)
     (message "Exit MIME editor mode.")
     ))
 
-(defun mime-editor/maybe-translate ()
+(defun mime-edit-maybe-translate ()
   (interactive)
-  (mime-editor/exit nil t)
-  (call-interactively 'mime-editor/maybe-split-and-send)
+  (mime-edit-exit nil t)
+  (call-interactively 'mime-edit-maybe-split-and-send)
   )
 
-(defun mime-editor/help ()
+(defun mime-edit-help ()
   "Show help message about MIME mode."
   (interactive)
   (with-output-to-temp-buffer "*Help*"
     (princ "MIME editor mode:\n")
-    (princ (documentation 'mime/editor-mode))
+    (princ (documentation 'mime-edit-mode))
     (print-help-return-message)))
 
-(defun mime-editor/insert-text ()
+(defun mime-edit-insert-text (&optional subtype)
   "Insert a text message.
-Charset is automatically obtained from the `mime/lc-charset-alist'."
+Charset is automatically obtained from the `charsets-mime-charset-alist'.
+If optional argument SUBTYPE is not nil, text/SUBTYPE tag is inserted."
   (interactive)
-  (if (and (mime-editor/insert-tag "text" nil nil)
-          (looking-at mime-editor/single-part-tag-regexp))
-      (progn
-       ;; Make a space between the following message.
-       (insert "\n")
-       (forward-char -1)
-       )))
+  (let ((ret (mime-edit-insert-tag "text" subtype nil)))
+    (when ret
+      (if (looking-at mime-edit-single-part-tag-regexp)
+         (progn
+           ;; Make a space between the following message.
+           (insert "\n")
+           (forward-char -1)
+           ))
+      (if (and (member (cadr ret) '("enriched"))
+              (fboundp 'enriched-mode))
+         (enriched-mode t)
+       (if (boundp 'enriched-mode)
+           (enriched-mode -1)
+         ))
+      )))
 
-(defun mime-editor/insert-file (file)
+(defun mime-edit-insert-file (file &optional verbose)
   "Insert a message from a file."
-  (interactive "fInsert file as MIME message: ")
+  (interactive "fInsert file as MIME message: \nP")
   (let*  ((guess (mime-find-file-type file))
-         (pritype (nth 0 guess))
+         (type (nth 0 guess))
          (subtype (nth 1 guess))
          (parameters (nth 2 guess))
-         (default (nth 3 guess))       ;Guess encoding from its file name.
+         (encoding (nth 3 guess))
          (disposition-type (nth 4 guess))
          (disposition-params (nth 5 guess))
-         (encoding
-          (if (not (interactive-p))
-              default
-            (completing-read
-             (concat "What transfer encoding"
-                     (if default
-                         (concat " (default "
-                                 (if (string-equal default "")
-                                     "\"\""
-                                   default)
-                                 ")"
-                                 ))
-                     ": ")
-             mime-encoding-method-alist nil t nil))))
-    (if (string-equal encoding "")
-       (setq encoding default))
+         )
+    (if verbose
+       (setq type    (mime-prompt-for-type type)
+             subtype (mime-prompt-for-subtype type subtype)
+             ))
+    (if (or (interactive-p) verbose)
+       (setq encoding (mime-prompt-for-encoding encoding))
+      )
     (if (or (consp parameters) (stringp disposition-type))
        (let ((rest parameters) cell attribute value)
          (setq parameters "")
@@ -896,7 +1158,7 @@ Charset is automatically obtained from the `mime/lc-charset-alist'."
            (setq attribute (car cell))
            (setq value (cdr cell))
            (if (eq value 'file)
-               (setq value (rfc822/wrap-as-quoted-string
+               (setq value (std11-wrap-as-quoted-string
                             (file-name-nondirectory file)))
              )
            (setq parameters (concat parameters "; " attribute "=" value))
@@ -913,7 +1175,7 @@ Charset is automatically obtained from the `mime/lc-charset-alist'."
                  (setq attribute (car cell))
                  (setq value (cdr cell))
                  (if (eq value 'file)
-                     (setq value (rfc822/wrap-as-quoted-string
+                     (setq value (std11-wrap-as-quoted-string
                                   (file-name-nondirectory file)))
                    )
                  (setq parameters
@@ -922,14 +1184,14 @@ Charset is automatically obtained from the `mime/lc-charset-alist'."
                  )
                ))
          ))
-    (mime-editor/insert-tag pritype subtype parameters)
-    (mime-editor/insert-binary-file file encoding)
+    (mime-edit-insert-tag type subtype parameters)
+    (mime-edit-insert-binary-file file encoding)
     ))
 
-(defun mime-editor/insert-external ()
+(defun mime-edit-insert-external ()
   "Insert a reference to external body."
   (interactive)
-  (mime-editor/insert-tag "message" "external-body" nil ";\n\t")
+  (mime-edit-insert-tag "message" "external-body" nil ";\n\t")
   ;;(forward-char -1)
   ;;(insert "Content-Description: " (read-string "Content-Description: ") "\n")
   ;;(forward-line 1)
@@ -941,27 +1203,37 @@ Charset is automatically obtained from the `mime/lc-charset-alist'."
         (insert "Content-Type: "
                 pritype "/" subtype (or parameters "") "\n")))
   (if (and (not (eobp))
-          (not (looking-at mime-editor/single-part-tag-regexp)))
+          (not (looking-at mime-edit-single-part-tag-regexp)))
       (insert (mime-make-text-tag) "\n")))
 
-(defun mime-editor/insert-voice ()
+(defun mime-edit-insert-voice ()
   "Insert a voice message."
   (interactive)
-  (mime-editor/insert-tag "audio" "basic" nil)
-  (let ((buffer (funcall mime-voice-recorder)))
-    (unwind-protect
-       (mime-editor/insert-binary-buffer buffer "base64")
-      (kill-buffer buffer)
-      )))
+  (let ((encoding
+        (completing-read
+         "What transfer encoding: "
+         (mime-encoding-alist) nil t nil)))
+    (mime-edit-insert-tag "audio" "basic" nil)
+    (mime-edit-define-encoding encoding)
+    (save-restriction
+      (narrow-to-region (1- (point))(point))
+      (unwind-protect
+         (funcall mime-edit-voice-recorder encoding)
+       (progn
+         (insert "\n")
+         (invisible-region (point-min)(point-max))
+         (goto-char (point-max))
+         )))))
 
-(defun mime-editor/insert-signature (&optional arg)
+(defun mime-edit-insert-signature (&optional arg)
   "Insert a signature file."
   (interactive "P")
   (let ((signature-insert-hook
          (function
           (lambda ()
-            (apply (function mime-editor/insert-tag)
-                   (mime-find-file-type signature))
+           (let ((items (mime-find-file-type signature-file-name)))
+             (apply (function mime-edit-insert-tag)
+                    (car items) (cadr items) (list (caddr items))))
             )))
         )
     (insert-signature arg)
@@ -970,10 +1242,19 @@ Charset is automatically obtained from the `mime/lc-charset-alist'."
 \f
 ;; Insert a new tag around a point.
 
-(defun mime-editor/insert-tag (&optional pritype subtype parameters delimiter)
+(defun mime-edit-insert-tag (&optional pritype subtype parameters delimiter)
   "Insert new MIME tag and return a list of PRITYPE, SUBTYPE, and PARAMETERS.
 If nothing is inserted, return nil."
   (interactive)
+  (let ((p (point)))
+    (mime-edit-goto-tag)
+    (if (and (re-search-forward mime-edit-tag-regexp nil t)
+            (< (match-beginning 0) p)
+            (< p (match-end 0))
+            )
+       (goto-char (match-beginning 0))
+      (goto-char p)
+      ))
   (let ((oldtag nil)
        (newtag nil)
        (current (point))
@@ -992,7 +1273,7 @@ If nothing is inserted, return nil."
     ;; Find an current MIME tag.
     (setq oldtag
          (save-excursion
-           (if (mime-editor/goto-tag)
+           (if (mime-edit-goto-tag)
                (buffer-substring (match-beginning 0) (match-end 0))
              ;; Assume content type is 'text/plan'.
              (mime-make-tag "text" "plain")
@@ -1000,7 +1281,7 @@ If nothing is inserted, return nil."
     ;; We are only interested in TEXT.
     (if (and oldtag
             (not (mime-test-content-type
-                  (mime-editor/get-contype oldtag) "text")))
+                  (mime-edit-get-contype oldtag) "text")))
        (setq oldtag nil))
     ;; Make a new tag.
     (if (or (not oldtag)               ;Not text
@@ -1018,93 +1299,60 @@ If nothing is inserted, return nil."
       )
     ))
 
-;; Insert the binary content after MIME tag.
-;;     modified by MORITA Masahiro <hiro@isl.ntt.JP>
-;;     for x-uue
-(defun mime-editor/insert-binary-file (file &optional encoding)
+(defun mime-edit-insert-binary-file (file &optional encoding)
   "Insert binary FILE at point.
 Optional argument ENCODING specifies an encoding method such as base64."
-  (let ((tmpbuf (get-buffer-create " *MIME insert*")))
-    (save-excursion
-      (set-buffer tmpbuf)
-      (erase-buffer)
-      (let ((mc-flag nil)              ;Mule
-           (file-coding-system-for-read
-            (if (featurep 'mule) *noconv*))
-           (kanji-flag nil)            ;NEmacs
-           (emx-binary-mode t)         ;Stop CRLF to LF conversion in OS/2
-           )
-       (let (jka-compr-compression-info-list
-             jam-zcat-filename-list)
-         (insert-file-contents file))))
-    (prog1
-       (if (and (stringp encoding)
-                (string-equal (downcase encoding) "x-uue"))
-           (progn
-             (require 'mel-u)
-             (let ((uuencode-external-encoder
-                    (cons (car uuencode-external-encoder)
-                          (list (file-name-nondirectory file))
-                          )))
-               (mime-editor/insert-binary-buffer tmpbuf encoding)
-               ))
-         (mime-editor/insert-binary-buffer tmpbuf encoding))
-      (kill-buffer tmpbuf))))
-
-;; Insert the binary content after MIME tag.
-;;     modified by MORITA Masahiro <hiro@isl.ntt.JP>
-;;     for x-uue
-(defun mime-editor/insert-binary-buffer (buffer &optional encoding)
-  "Insert binary BUFFER at point.
-Optional argument ENCODING specifies an encoding method such as base64."
   (let* ((tagend (1- (point)))         ;End of the tag
         (hide-p (and mime-auto-hide-body
                      (stringp encoding)
-                     (let ((en (downcase encoding)))
-                       (or (string-equal en "base64")
-                           (string-equal en "x-uue")
-                           ))))
+                     (not
+                      (let ((en (downcase encoding)))
+                        (or (string-equal en "7bit")
+                            (string-equal en "8bit")
+                            (string-equal en "binary")
+                            )))))
         )
     (save-restriction
-      (narrow-to-region (1- (point)) (point))
-      (let ((start (point))
-           (emx-binary-mode t))        ;Stop LF to CRLF conversion in OS/2
-       (insert-buffer-substring buffer)
-       ;; Encode binary message if necessary.
-       (if encoding
-           (mime-encode-region start (point-max) encoding)
-         ))
+      (narrow-to-region tagend (point))
+      (mime-insert-encoded-file file encoding)
       (if hide-p
          (progn
            (invisible-region (point-min) (point-max))
            (goto-char (point-max))
            )
+       (goto-char (point-max))
        ))
+    (or hide-p
+       (looking-at mime-edit-tag-regexp)
+       (= (point)(point-max))
+       (mime-edit-insert-tag "text" "plain")
+       )
     ;; Define encoding even if it is 7bit.
     (if (stringp encoding)
        (save-excursion
-         (goto-char tagend)            ;Make sure which line the tag is on.
-         (mime-editor/define-encoding encoding)))
+         (goto-char tagend) ; Make sure which line the tag is on.
+         (mime-edit-define-encoding encoding)
+         ))
     ))
 
 \f
 ;; Commands work on a current message flagment.
 
-(defun mime-editor/goto-tag ()
+(defun mime-edit-goto-tag ()
   "Search for the beginning of the tagged MIME message."
-  (let ((current (point)) multipart)
-    (if (looking-at mime-editor/tag-regexp)
+  (let ((current (point)))
+    (if (looking-at mime-edit-tag-regexp)
        t
       ;; At first, go to the end.
-      (cond ((re-search-forward mime-editor/beginning-tag-regexp nil t)
+      (cond ((re-search-forward mime-edit-beginning-tag-regexp nil t)
             (goto-char (1- (match-beginning 0))) ;For multiline tag
             )
            (t
             (goto-char (point-max))
             ))
-      ;; Then search for the beginning. 
-      (re-search-backward mime-editor/end-tag-regexp nil t)
-      (or (looking-at mime-editor/beginning-tag-regexp)
+      ;; Then search for the beginning.
+      (re-search-backward mime-edit-end-tag-regexp nil t)
+      (or (looking-at mime-edit-beginning-tag-regexp)
          ;; Restore previous point.
          (progn
            (goto-char current)
@@ -1112,12 +1360,12 @@ Optional argument ENCODING specifies an encoding method such as base64."
            ))
       )))
 
-(defun mime-editor/content-beginning ()
+(defun mime-edit-content-beginning ()
   "Return the point of the beginning of content."
   (save-excursion
     (let ((beg (save-excursion
                 (beginning-of-line) (point))))
-      (if (mime-editor/goto-tag)
+      (if (mime-edit-goto-tag)
          (let ((top (point)))
            (goto-char (match-end 0))
            (if (and (= beg top)
@@ -1134,54 +1382,59 @@ Optional argument ENCODING specifies an encoding method such as base64."
        (point))
       )))
 
-(defun mime-editor/content-end ()
+(defun mime-edit-content-end ()
   "Return the point of the end of content."
   (save-excursion
-    (let ((beg (point)))
-      (if (mime-editor/goto-tag)
-         (let ((top (point)))
-           (goto-char (match-end 0))
-           (if (invisible-p (point))
-               (next-visible-point (point))
-             ;; Move to the end of this text.
-             (if (re-search-forward mime-editor/tag-regexp nil 'move)
-                 ;; Don't forget a multiline tag.
-                 (goto-char (match-beginning 0))
-               )
-             (point)
-             ))
-       ;; Assume the message begins with text/plain.
-       (goto-char (mime-editor/content-beginning))
-       (if (re-search-forward mime-editor/tag-regexp nil 'move)
-           ;; Don't forget a multiline tag.
-           (goto-char (match-beginning 0)))
-       (point))
-      )))
+    (if (mime-edit-goto-tag)
+       (progn
+         (goto-char (match-end 0))
+         (if (invisible-p (point))
+             (next-visible-point (point))
+           ;; Move to the end of this text.
+           (if (re-search-forward mime-edit-tag-regexp nil 'move)
+               ;; Don't forget a multiline tag.
+               (goto-char (match-beginning 0))
+             )
+           (point)
+           ))
+      ;; Assume the message begins with text/plain.
+      (goto-char (mime-edit-content-beginning))
+      (if (re-search-forward mime-edit-tag-regexp nil 'move)
+         ;; Don't forget a multiline tag.
+         (goto-char (match-beginning 0)))
+      (point))
+    ))
 
-(defun mime-editor/define-charset (charset)
+(defun mime-edit-define-charset (charset)
   "Set charset of current tag to CHARSET."
   (save-excursion
-    (if (mime-editor/goto-tag)
+    (if (mime-edit-goto-tag)
        (let ((tag (buffer-substring (match-beginning 0) (match-end 0))))
          (delete-region (match-beginning 0) (match-end 0))
          (insert
-          (mime-create-tag (mime-set-parameter
-                            (mime-editor/get-contype tag) "charset" charset)
-                           (mime-editor/get-encoding tag))))
-      )))
+          (mime-create-tag
+           (mime-edit-set-parameter
+            (mime-edit-get-contype tag)
+            "charset"
+            (let ((comment (get charset 'mime-charset-comment)))
+              (if comment
+                  (concat (upcase (symbol-name charset)) " (" comment ")")
+                (upcase (symbol-name charset)))))
+           (mime-edit-get-encoding tag)))
+         ))))
 
-(defun mime-editor/define-encoding (encoding)
+(defun mime-edit-define-encoding (encoding)
   "Set encoding of current tag to ENCODING."
   (save-excursion
-    (if (mime-editor/goto-tag)
+    (if (mime-edit-goto-tag)
        (let ((tag (buffer-substring (match-beginning 0) (match-end 0))))
          (delete-region (match-beginning 0) (match-end 0))
-         (insert (mime-create-tag (mime-editor/get-contype tag) encoding)))
+         (insert (mime-create-tag (mime-edit-get-contype tag) encoding)))
       )))
 
-(defun mime-editor/choose-charset ()
+(defun mime-edit-choose-charset ()
   "Choose charset of a text following current point."
-  (mime/find-charset-region (point) (mime-editor/content-end))
+  (detect-mime-charset-region (point) (mime-edit-content-end))
   )
 
 (defun mime-make-text-tag (&optional subtype)
@@ -1208,20 +1461,20 @@ Otherwise, it is obtained from mime-content-types."
   (format (if encoding mime-tag-format-with-encoding mime-tag-format)
          contype encoding))
 
-(defun mime-editor/get-contype (tag)
+(defun mime-edit-get-contype (tag)
   "Return Content-Type (including parameters) of TAG."
   (and (stringp tag)
-       (or (string-match mime-editor/single-part-tag-regexp tag)
-          (string-match mime-editor/multipart-beginning-regexp tag)
-          (string-match mime-editor/multipart-end-regexp tag)
+       (or (string-match mime-edit-single-part-tag-regexp tag)
+          (string-match mime-edit-multipart-beginning-regexp tag)
+          (string-match mime-edit-multipart-end-regexp tag)
           )
        (substring tag (match-beginning 1) (match-end 1))
        ))
 
-(defun mime-editor/get-encoding (tag)
+(defun mime-edit-get-encoding (tag)
   "Return encoding of TAG."
   (and (stringp tag)
-       (string-match mime-editor/single-part-tag-regexp tag)
+       (string-match mime-edit-single-part-tag-regexp tag)
        (match-beginning 3)
        (not (= (match-beginning 3) (match-end 3)))
        (substring tag (match-beginning 3) (match-end 3))))
@@ -1239,19 +1492,27 @@ Nil if no such parameter."
     nil                                        ;No such parameter
     ))
 
-(defun mime-set-parameter (contype parameter value)
+(defun mime-edit-set-parameter (contype parameter value)
   "For given CONTYPE set PARAMETER to VALUE."
-  (if (string-match
-       (concat
-       ";[ \t\n]*\\("
-       (regexp-quote parameter)
-       "[ \t\n]*=[ \t\n]*\\([^\" \t\n;]*\\|\"[^\"]*\"\\)\\)[ \t\n]*\\(;\\|$\\)")
-       contype)
-      ;; Change value
-      (concat (substring contype 0 (match-beginning 1))
-             parameter "=" value
-             (substring contype (match-end 1)))
-    (concat contype "; " parameter "=" value)))
+  (let (ctype opt-fields)
+    (if (string-match "\n[^ \t\n\r]+:" contype)
+       (setq ctype (substring contype 0 (match-beginning 0))
+             opt-fields (substring contype (match-beginning 0)))
+      (setq ctype contype)
+      )
+    (if (string-match
+        (concat
+         ";[ \t\n]*\\("
+         (regexp-quote parameter)
+         "[ \t\n]*=[ \t\n]*\\([^\" \t\n;]*\\|\"[^\"]*\"\\)\\)[ \t\n]*\\(;\\|$\\)")
+        ctype)
+       ;; Change value
+       (concat (substring ctype 0 (match-beginning 1))
+               parameter "=" value
+               (substring ctype (match-end 1))
+               opt-fields)
+      (concat ctype "; " parameter "=" value opt-fields)
+      )))
 
 (defun mime-strip-parameters (contype)
   "Return primary content-type and subtype without parameters for CONTYPE."
@@ -1280,7 +1541,7 @@ Nil if no such parameter."
     guess
     ))
 
-(defun mime-prompt-for-type ()
+(defun mime-prompt-for-type (&optional default)
   "Ask for Content-type."
   (let ((type ""))
     ;; Repeat until primary content type is specified.
@@ -1290,7 +1551,7 @@ Nil if no such parameter."
                             mime-content-types
                             nil
                             'require-match ;Type must be specified.
-                            nil
+                            default
                             ))
       (if (string-equal type "")
          (progn
@@ -1299,19 +1560,22 @@ Nil if no such parameter."
            (sit-for 1)
            ))
       )
-    type
-    ))
-
-(defun mime-prompt-for-subtype (pritype)
-  "Ask for Content-type subtype of Content-Type PRITYPE."
-  (let* ((default (car (car (cdr (assoc pritype mime-content-types)))))
-        (answer
+    type))
+
+(defun mime-prompt-for-subtype (type &optional default)
+  "Ask for subtype of media-type TYPE."
+  (let ((subtypes (cdr (assoc type mime-content-types))))
+    (or (and default
+            (assoc default subtypes))
+       (setq default (car (car subtypes)))
+       ))
+  (let* ((answer
          (completing-read
           (if default
               (concat
                "What content subtype: (default " default ") ")
             "What content subtype: ")
-          (cdr (assoc pritype mime-content-types))
+          (cdr (assoc type mime-content-types))
           nil
           'require-match               ;Subtype must be specified.
           nil
@@ -1343,7 +1607,7 @@ Optional DELIMITER specifies parameter delimiter (';' by default)."
 
 (defun mime-prompt-for-parameter (parameter)
   "Ask for PARAMETER.
-Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
+Parameter must be '(PROMPT CHOICE1 (CHOICE2...))."
   (let* ((prompt (car parameter))
         (choices (mapcar (function
                           (lambda (e)
@@ -1374,69 +1638,71 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
          (mime-prompt-for-parameters-1 (cdr (assoc answer (cdr parameter)))))
     ))
 
-(defun mime-flag-region (from to flag)
-  "Hides or shows lines from FROM to TO, according to FLAG.
-If FLAG is `\\n' (newline character) then text is shown,
-while if FLAG is `\\^M' (control-M) the text is hidden."
-  (let ((buffer-read-only nil)         ;Okay even if write protected.
-       (modp (buffer-modified-p)))
-    (unwind-protect
-        (subst-char-in-region from to
-                             (if (= flag ?\n) ?\^M ?\n)
-                             flag t)
-      (set-buffer-modified-p modp))))
+(defun mime-prompt-for-encoding (default)
+  "Ask for Content-Transfer-Encoding."
+  (let (encoding)
+    (while (string=
+           (setq encoding
+                 (completing-read
+                  "What transfer encoding: "
+                  (mime-encoding-alist) nil t default)
+                 )
+           ""))
+    encoding))
 
 \f
 ;;; @ Translate the tagged MIME messages into a MIME compliant message.
 ;;;
 
-(defvar mime-editor/translate-buffer-hook
-  '(mime-editor/pgp-enclose-buffer
-    mime/encode-message-header
-    mime-editor/translate-body))
+(defvar mime-edit-translate-buffer-hook
+  '(mime-edit-pgp-enclose-buffer
+    mime-edit-translate-body
+    mime-edit-translate-header))
+
+(defun mime-edit-translate-header ()
+  "Encode the message header into network representation."
+  (mime-encode-header-in-buffer 'code-conversion)
+  (run-hooks 'mime-edit-translate-header-hook))
 
-(defun mime-editor/translate-buffer ()
+(defun mime-edit-translate-buffer ()
   "Encode the tagged MIME message in current buffer in MIME compliant message."
   (interactive)
-  (if (catch 'mime-editor/error
+  (undo-boundary)
+  (if (catch 'mime-edit-error
        (save-excursion
-         (run-hooks 'mime-editor/translate-buffer-hook)
+         (run-hooks 'mime-edit-translate-buffer-hook)
          ))
       (progn
        (undo)
        (error "Translation error!")
        )))
 
-(defun mime-editor/find-inmost ()
+(defun mime-edit-find-inmost ()
   (goto-char (point-min))
-  (if (re-search-forward mime-editor/multipart-beginning-regexp nil t)
+  (if (re-search-forward mime-edit-multipart-beginning-regexp nil t)
       (let ((bb (match-beginning 0))
            (be (match-end 0))
            (type (buffer-substring (match-beginning 1)(match-end 1)))
-           end-exp eb ee)
+           end-exp eb)
        (setq end-exp (format "--}-<<%s>>\n" type))
        (widen)
        (if (re-search-forward end-exp nil t)
-           (progn
-             (setq eb (match-beginning 0))
-             (setq ee (match-end 0))
-             )
+           (setq eb (match-beginning 0))
          (setq eb (point-max))
-         (setq ee (point-max))
          )
        (narrow-to-region be eb)
        (goto-char be)
-       (if (re-search-forward mime-editor/multipart-beginning-regexp nil t)
-           (let (ret)
+       (if (re-search-forward mime-edit-multipart-beginning-regexp nil t)
+           (progn
              (narrow-to-region (match-beginning 0)(point-max))
-             (mime-editor/find-inmost)
+             (mime-edit-find-inmost)
              )
          (widen)
          (list type bb be eb)
          ))))
 
-(defun mime-editor/process-multipart-1 (boundary)
-  (let ((ret (mime-editor/find-inmost)))
+(defun mime-edit-process-multipart-1 (boundary)
+  (let ((ret (mime-edit-find-inmost)))
     (if ret
        (let ((type (car ret))
              (bb (nth 1 ret))(be (nth 2 ret))
@@ -1448,36 +1714,39 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
          (setq eb (point-max))
          (widen)
          (goto-char eb)
-         (if (looking-at mime-editor/multipart-end-regexp)
+         (if (looking-at mime-edit-multipart-end-regexp)
              (let ((beg (match-beginning 0))
                    (end (match-end 0))
                    )
                (delete-region beg end)
-               (or (looking-at mime-editor/beginning-tag-regexp)
+               (or (looking-at mime-edit-beginning-tag-regexp)
                    (eobp)
                    (insert (concat (mime-make-text-tag) "\n"))
                    )))
          (cond ((string-equal type "quote")
-                (mime-editor/enquote-region bb eb)
+                (mime-edit-enquote-region bb eb)
                 )
-               ((string-equal type "signed")
-                (cond ((eq mime-editor/signing-type 'pgp-elkins)
-                       (mime-editor/sign-pgp-elkins bb eb boundary)
-                       )
-                      ((eq mime-editor/signing-type 'pgp-kazu)
-                       (mime-editor/sign-pgp-kazu bb eb boundary)
-                       ))
+               ((string-equal type "pgp-signed")
+                (mime-edit-sign-pgp-mime bb eb boundary)
+                )
+               ((string-equal type "pgp-encrypted")
+                (mime-edit-encrypt-pgp-mime bb eb boundary)
+                )
+               ((string-equal type "kazu-signed")
+                (mime-edit-sign-pgp-kazu bb eb boundary)
+                )
+               ((string-equal type "kazu-encrypted")
+                (mime-edit-encrypt-pgp-kazu bb eb boundary)
+                )
+               ((string-equal type "smime-signed")
+                (mime-edit-sign-smime bb eb boundary)
+                )
+               ((string-equal type "smime-encrypted")
+                (mime-edit-encrypt-smime bb eb boundary)
                 )
-               ((string-equal type "encrypted")
-                (cond ((eq mime-editor/encrypting-type 'pgp-elkins)
-                       (mime-editor/encrypt-pgp-elkins bb eb boundary)
-                       )
-                      ((eq mime-editor/encrypting-type 'pgp-kazu)
-                       (mime-editor/encrypt-pgp-kazu bb eb boundary)
-                       )))
                (t
                 (setq boundary
-                      (nth 2 (mime-editor/translate-region bb eb
+                      (nth 2 (mime-edit-translate-region bb eb
                                                            boundary t)))
                 (goto-char bb)
                 (insert
@@ -1487,220 +1756,153 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
                 ))
          boundary))))
 
-(defun mime-editor/enquote-region (beg end)
+(defun mime-edit-enquote-region (beg end)
   (save-excursion
     (save-restriction
       (narrow-to-region beg end)
       (goto-char beg)
-      (while (re-search-forward mime-editor/single-part-tag-regexp nil t)
+      (while (re-search-forward mime-edit-single-part-tag-regexp nil t)
        (let ((tag (buffer-substring (match-beginning 0)(match-end 0))))
          (replace-match (concat "- " (substring tag 1)))
          )))))
 
-(defun mime-editor/dequote-region (beg end)
+(defun mime-edit-dequote-region (beg end)
   (save-excursion
     (save-restriction
       (narrow-to-region beg end)
       (goto-char beg)
       (while (re-search-forward
-             mime-editor/quoted-single-part-tag-regexp nil t)
+             mime-edit-quoted-single-part-tag-regexp nil t)
        (let ((tag (buffer-substring (match-beginning 0)(match-end 0))))
          (replace-match (concat "-" (substring tag 2)))
          )))))
 
-(autoload 'mc-pgp-lookup-key "mc-pgp")
-(autoload 'mc-pgp-sign-region "mc-pgp")
-(autoload 'mc-pgp-encrypt-region "mc-pgp")
-
-(defun tm:mc-pgp-generic-parser (result)
-  (let ((ret (mc-pgp-generic-parser result)))
-    (if (consp ret)
-       (vector (car ret)(cdr ret))
-      )))
-
-(defun tm:mc-process-region
-  (beg end passwd program args parser &optional buffer boundary)
-  (let ((obuf (current-buffer))
-       (process-connection-type nil)
-       mybuf result rgn proc)
-    (unwind-protect
-       (progn
-         (setq mybuf (or buffer (generate-new-buffer " *mailcrypt temp")))
-         (set-buffer mybuf)
-         (erase-buffer)
-         (set-buffer obuf)
-         (buffer-disable-undo mybuf)
-         (setq proc
-               (apply 'start-process "*PGP*" mybuf program args))
-         (if passwd
-             (progn
-               (process-send-string proc (concat passwd "\n"))
-               (or mc-passwd-timeout (mc-deactivate-passwd t))))
-         (process-send-region proc beg end)
-         (process-send-eof proc)
-         (while (eq 'run (process-status proc))
-           (accept-process-output proc 5))
-         (setq result (process-exit-status proc))
-         ;; Hack to force a status_notify() in Emacs 19.29
-         (delete-process proc)
-         (set-buffer mybuf)
-         (goto-char (point-max))
-         (if (re-search-backward "\nProcess \\*PGP.*\n\\'" nil t)
-             (delete-region (match-beginning 0) (match-end 0)))
-         (goto-char (point-min))
-         ;; CRNL -> NL
-         (while (search-forward "\r\n" nil t)
-           (replace-match "\n"))
-         ;; Hurm.  FIXME; must get better result codes.
-         (if (stringp result)
-             (error "%s exited abnormally: '%s'" program result)
-           (setq rgn (funcall parser result))
-           ;; If the parser found something, migrate it
-           (if (consp rgn)
-               (progn
-                 (set-buffer obuf)
-                 (if boundary
-                     (save-restriction
-                       (narrow-to-region beg end)
-                       (goto-char beg)
-                       (insert (format "--%s\n" boundary))
-                       (goto-char (point-max))
-                       (insert (format "\n--%s
-Content-Type: application/pgp-signature
-Content-Transfer-Encoding: 7bit
+(defvar mime-edit-pgp-user-id nil)
 
-" boundary))
-                       (insert-buffer-substring mybuf (car rgn) (cdr rgn))
-                       (goto-char (point-max))
-                       (insert (format "\n--%s--\n" boundary))
-                       )
-                   (delete-region beg end)
-                   (goto-char beg)
-                   (insert-buffer-substring mybuf (car rgn) (cdr rgn))
-                   )
-                 (set-buffer mybuf)
-                 (delete-region (car rgn) (cdr rgn)))))
-         ;; Return nil on failure and exit code on success
-         (if rgn result))
-      ;; Cleanup even on nonlocal exit
-      (if (and proc (eq 'run (process-status proc)))
-         (interrupt-process proc))
-      (set-buffer obuf)
-      (or buffer (null mybuf) (kill-buffer mybuf)))))
-
-(defun tm:mc-pgp-sign-region (start end &optional id unclear boundary)
-  (if (not (boundp 'mc-pgp-user-id))
-      (load "mc-pgp")
-    )
-  (let ((process-environment process-environment)
-       (buffer (get-buffer-create mc-buffer-name))
-       passwd args key
-       (parser (function mc-pgp-generic-parser))
-       (pgp-path mc-pgp-path)
-       )
-    (setq key (mc-pgp-lookup-key (or id mc-pgp-user-id)))
-    (setq passwd
-         (mc-activate-passwd
-          (cdr key)
-          (format "PGP passphrase for %s (%s): " (car key) (cdr key))))
-    (setenv "PGPPASSFD" "0")
-    (setq args
-         (cons
-          (if boundary
-              "-fbast"
-            "-fast")
-          (list "+verbose=1" "+language=en"
-                (format "+clearsig=%s" (if unclear "off" "on"))
-                "+batchmode" "-u" (cdr key))))
-    (if mc-pgp-comment
-       (setq args (cons (format "+comment=%s" mc-pgp-comment) args))
-      )
-    (message "Signing as %s ..." (car key))
-    (if (tm:mc-process-region
-        start end passwd pgp-path args parser buffer boundary)
-       (progn
-         (if boundary
-             (progn
-               (goto-char (point-min))
-               (insert
-                (format "\
---[[multipart/signed; protocol=\"application/pgp-signature\";
- boundary=\"%s\"; micalg=pgp-md5][7bit]]\n" boundary))
-               ))
-         (message "Signing as %s ... Done." (car key))
-         t)
-      nil)))
-
-(defun mime-editor/sign-pgp-elkins (beg end boundary)
+(defun mime-edit-sign-pgp-mime (beg end boundary)
   (save-excursion
     (save-restriction
-      (narrow-to-region beg end)
-      (let* ((ret
-             (mime-editor/translate-region beg end boundary))
+      (let* ((from (std11-field-body "From" mail-header-separator))
+            (ret (progn 
+                   (narrow-to-region beg end)
+                   (mime-edit-translate-region beg end boundary)))
             (ctype    (car ret))
             (encoding (nth 1 ret))
-            (parts    (nth 3 ret))
             (pgp-boundary (concat "pgp-sign-" boundary))
-            )
+            micalg)
        (goto-char beg)
        (insert (format "Content-Type: %s\n" ctype))
        (if encoding
            (insert (format "Content-Transfer-Encoding: %s\n" encoding))
          )
        (insert "\n")
-       (or (tm:mc-pgp-sign-region (point-min)(point-max)
-                                  nil nil pgp-boundary)
-           (throw 'mime-editor/error 'pgp-error)
+       (or (let ((pgg-default-user-id 
+                  (or mime-edit-pgp-user-id
+                      (if from 
+                          (nth 1 (std11-extract-address-components from))
+                        pgg-default-user-id))))
+             (pgg-sign-region (point-min)(point-max)))
+           (throw 'mime-edit-error 'pgp-error)
            )
+       (setq micalg
+             (cdr (assq 'hash-algorithm
+                        (cdar (with-current-buffer pgg-output-buffer
+                                (pgg-parse-armor-region 
+                                 (point-min)(point-max))))))
+             micalg 
+             (if micalg
+                 (concat "; micalg=pgp-" (downcase (symbol-name micalg)))
+               ""))
+       (goto-char beg)
+       (insert (format "--[[multipart/signed;
+ boundary=\"%s\"%s;
+ protocol=\"application/pgp-signature\"][7bit]]
+--%s
+" pgp-boundary micalg pgp-boundary))
+       (goto-char (point-max))
+       (insert (format "\n--%s
+Content-Type: application/pgp-signature
+Content-Transfer-Encoding: 7bit
+
+" pgp-boundary))
+       (insert-buffer-substring pgg-output-buffer)
+       (goto-char (point-max))
+       (insert (format "\n--%s--\n" pgp-boundary))
        ))))
 
-(defun mime-editor/encrypt-pgp-elkins (beg end boundary)
+(defvar mime-edit-encrypt-recipient-fields-list '("To" "cc"))
+
+(defun mime-edit-make-encrypt-recipient-header ()
+  (let* ((names mime-edit-encrypt-recipient-fields-list)
+        (values
+         (std11-field-bodies (cons "From" names)
+                             nil mail-header-separator))
+        (from (prog1
+                  (car values)
+                (setq values (cdr values))))
+        (header (and (stringp from)
+                     (if (string-equal from "")
+                         ""
+                       (format "From: %s\n" from)
+                       )))
+        recipients)
+    (while (and names values)
+      (let ((name (car names))
+           (value (car values))
+           )
+       (and (stringp value)
+            (or (string-equal value "")
+                (progn
+                  (setq header (concat header name ": " value "\n")
+                        recipients (if recipients
+                                       (concat recipients " ," value)
+                                     value))
+                  ))))
+      (setq names (cdr names)
+           values (cdr values))
+      )
+    (vector from recipients header)
+    ))
+
+(defun mime-edit-encrypt-pgp-mime (beg end boundary)
   (save-excursion
     (save-restriction
-      (let ((from (rfc822/get-field-body "From"))
-           (to (rfc822/get-field-body "To"))
-           (cc (rfc822/get-field-body "cc"))
-           recipients)
-       (narrow-to-region beg end)
-       (let* ((ret
-               (mime-editor/translate-region beg end boundary))
-              (ctype    (car ret))
-              (encoding (nth 1 ret))
-              (parts    (nth 3 ret))
-              (pgp-boundary (concat "pgp-" boundary))
-              )
-         (goto-char beg)
-         (if (and (stringp from)
-                  (not (string-equal from "")))
-             (insert (format "From: %s\n" from))
-           )
-         (if (and (stringp to)
-                  (not (string-equal to "")))
-             (progn
-               (insert (format "To: %s\n" to))
-               (setq recipients to)
-               ))
-         (if (and (stringp cc)
-                  (not (string-equal cc "")))
-             (progn
-               (insert (format "cc: %s\n" cc))
-               (if recipients
-                   (setq recipients (concat recipients "," cc))
-                 (setq recipients cc)
-                 )))
-         (insert (format "Content-Type: %s\n" ctype))
-         (if encoding
-             (insert (format "Content-Transfer-Encoding: %s\n" encoding))
-           )
-         (insert "\n")
-         (if (null
-              (let ((mc-pgp-always-sign 'never))
-                (mc-pgp-encrypt-region
-                 (mc-split "\\([ \t\n]*,[ \t\n]*\\)+" recipients)
-                 (point-min) (point-max) from nil)
-                ))
-             (throw 'mime-editor/error 'pgp-error)
-           )
+      (let (from recipients header)
+        (let ((ret (mime-edit-make-encrypt-recipient-header)))
+          (setq from (aref ret 0)
+                recipients (aref ret 1)
+                header (aref ret 2))
+         )
+        (narrow-to-region beg end)
+        (let* ((ret
+                (mime-edit-translate-region beg end boundary))
+               (ctype    (car ret))
+               (encoding (nth 1 ret))
+               (pgp-boundary (concat "pgp-" boundary)))
+          (goto-char beg)
+          (insert header)
+          (insert (format "Content-Type: %s\n" ctype))
+          (if encoding
+              (insert (format "Content-Transfer-Encoding: %s\n" encoding))
+            )
+          (insert "\n")
+         (mime-encode-header-in-buffer)
+         (or (let ((pgg-default-user-id 
+                    (or mime-edit-pgp-user-id
+                        (if from 
+                            (nth 1 (std11-extract-address-components from))
+                          pgg-default-user-id))))                   
+               (pgg-encrypt-region 
+                (point-min) (point-max) 
+                (mapcar (lambda (recipient)
+                          (nth 1 (std11-extract-address-components
+                                  recipient)))
+                        (split-string recipients 
+                                      "\\([ \t\n]*,[ \t\n]*\\)+")))
+               )
+             (throw 'mime-edit-error 'pgp-error)
+             )
+         (delete-region (point-min)(point-max))
          (goto-char beg)
          (insert (format "--[[multipart/encrypted;
  boundary=\"%s\";
@@ -1713,34 +1915,27 @@ Content-Type: application/octet-stream
 Content-Transfer-Encoding: 7bit
 
 " pgp-boundary pgp-boundary pgp-boundary))
+         (insert-buffer-substring pgg-output-buffer)
          (goto-char (point-max))
          (insert (format "\n--%s--\n" pgp-boundary))
          )))))
 
-(defun mime-editor/sign-pgp-kazu (beg end boundary)
+(defun mime-edit-sign-pgp-kazu (beg end boundary)
   (save-excursion
     (save-restriction
       (narrow-to-region beg end)
       (let* ((ret
-             (mime-editor/translate-region beg end boundary))
+             (mime-edit-translate-region beg end boundary))
             (ctype    (car ret))
-            (encoding (nth 1 ret))
-            (parts    (nth 3 ret))
-            )
+            (encoding (nth 1 ret)))
        (goto-char beg)
        (insert (format "Content-Type: %s\n" ctype))
        (if encoding
            (insert (format "Content-Transfer-Encoding: %s\n" encoding))
          )
        (insert "\n")
-       (or (let ((program-coding-system-alist
-                  (cons (cons (cons nil ".*pgp.*")
-                              (cons *noconv* *noconv*))
-                        program-coding-system-alist))
-                 )
-             (mc-pgp-sign-region beg (point-max))
-             )
-           (throw 'mime-editor/error 'pgp-error)
+       (or (pgg-sign-region beg (point-max) 'clearsign)
+           (throw 'mime-edit-error 'pgp-error)
            )
        (goto-char beg)
        (insert
@@ -1748,54 +1943,28 @@ Content-Transfer-Encoding: 7bit
        ))
     ))
 
-(defun mime-editor/encrypt-pgp-kazu (beg end boundary)
+(defun mime-edit-encrypt-pgp-kazu (beg end boundary)
   (save-excursion
-    (let ((from (rfc822/get-field-body "From"))
-         (to (rfc822/get-field-body "To"))
-         (cc (rfc822/get-field-body "cc"))
-         recipients)
+    (let (recipients header)
+      (let ((ret (mime-edit-make-encrypt-recipient-header)))
+       (setq recipients (aref ret 1)
+             header (aref ret 2))
+       )
       (save-restriction
        (narrow-to-region beg end)
        (let* ((ret
-               (mime-editor/translate-region beg end boundary))
+               (mime-edit-translate-region beg end boundary))
               (ctype    (car ret))
-              (encoding (nth 1 ret))
-              (parts    (nth 3 ret))
-              )
+              (encoding (nth 1 ret)))
          (goto-char beg)
-         (if (and (stringp from)
-                  (not (string-equal from "")))
-             (insert (format "From: %s\n" from))
-           )
-         (if (and (stringp to)
-                  (not (string-equal to "")))
-             (progn
-               (insert (format "To: %s\n" to))
-               (setq recipients to)
-               ))
-         (if (and (stringp cc)
-                  (not (string-equal cc "")))
-             (progn
-               (insert (format "cc: %s\n" cc))
-               (if recipients
-                   (setq recipients (concat recipients "," cc))
-                 (setq recipients cc)
-                 )))
+         (insert header)
          (insert (format "Content-Type: %s\n" ctype))
          (if encoding
              (insert (format "Content-Transfer-Encoding: %s\n" encoding))
            )
          (insert "\n")
-         (or (let ((program-coding-system-alist
-                    (cons (cons (cons nil ".*pgp.*")
-                                (cons *noconv* *noconv*))
-                          program-coding-system-alist))
-                   )
-               (mc-pgp-encrypt-region
-                (mc-split "\\([ \t\n]*,[ \t\n]*\\)+" recipients)
-                beg (point-max))
-               )
-             (throw 'mime-editor/error 'pgp-error)
+         (or (pgg-encrypt-region beg (point-max) recipients)
+             (throw 'mime-edit-error 'pgp-error)
              )
          (goto-char beg)
          (insert
@@ -1803,17 +1972,100 @@ Content-Transfer-Encoding: 7bit
          ))
       )))
 
-(defun mime-editor/translate-body ()
+(defun mime-edit-sign-smime (beg end boundary)
+  (save-excursion
+    (save-restriction
+      (let* ((ret (progn 
+                   (narrow-to-region beg end)
+                   (mime-edit-translate-region beg end boundary)))
+            (ctype    (car ret))
+            (encoding (nth 1 ret))
+            (smime-boundary (concat "smime-sign-" boundary)))
+       (goto-char beg)
+       (insert (format "Content-Type: %s\n" ctype))
+       (if encoding
+           (insert (format "Content-Transfer-Encoding: %s\n" encoding))
+         )
+       (insert "\n")
+       (let (buffer-undo-list)
+         (goto-char (point-min))
+         (while (progn (end-of-line) (not (eobp)))
+           (insert "\r")
+           (forward-line 1))
+         (or (prog1 (smime-sign-region (point-min)(point-max))
+               (push nil buffer-undo-list)
+               (ignore-errors (undo)))
+             (throw 'mime-edit-error 'pgp-error)
+             ))
+       (goto-char beg)
+       (insert (format "--[[multipart/signed;
+ boundary=\"%s\"; micalg=sha1;
+ protocol=\"application/pkcs7-signature\"][7bit]]
+--%s
+" smime-boundary smime-boundary))
+       (goto-char (point-max))
+       (insert (format "\n--%s
+Content-Type: application/pkcs7-signature; name=\"smime.p7s\"
+Content-Transfer-Encoding: base64
+Content-Disposition: attachment; filename=\"smime.p7s\"
+Content-Description: S/MIME Cryptographic Signature
+
+"  smime-boundary))
+       (insert-buffer-substring smime-output-buffer)
+       (goto-char (point-max))
+       (insert (format "\n--%s--\n" smime-boundary))
+       ))))
+
+(defun mime-edit-encrypt-smime (beg end boundary)
+  (save-excursion
+    (save-restriction
+      (let* ((ret (progn 
+                   (narrow-to-region beg end)
+                   (mime-edit-translate-region beg end boundary)))
+            (ctype    (car ret))
+            (encoding (nth 1 ret)))
+       (goto-char beg)
+       (insert (format "Content-Type: %s\n" ctype))
+       (if encoding
+           (insert (format "Content-Transfer-Encoding: %s\n" encoding))
+         )
+       (insert "\n")
+       (goto-char (point-min))
+       (while (progn (end-of-line) (not (eobp)))
+         (insert "\r")
+         (forward-line 1))
+       (or (smime-encrypt-region (point-min)(point-max))
+           (throw 'mime-edit-error 'pgp-error)
+           )
+       (delete-region (point-min)(point-max))
+       (insert "--[[application/pkcs7-mime; name=\"smime.p7m\"
+Content-Disposition: attachment; filename=\"smime.p7m\"
+Content-Description: S/MIME Encrypted Message][base64]]\n")
+       (insert-buffer-substring smime-output-buffer)
+       ))))
+
+(defsubst replace-space-with-underline (str)
+  (mapconcat (function
+             (lambda (arg)
+               (char-to-string
+                (if (eq arg ?\ )
+                    ?_
+                  arg)))) str "")
+  )
+
+(defun mime-edit-make-boundary ()
+  (concat mime-multipart-boundary "_"
+         (replace-space-with-underline (current-time-string))
+         ))
+
+(defun mime-edit-translate-body ()
   "Encode the tagged MIME body in current buffer in MIME compliant message."
   (interactive)
   (save-excursion
-    (let ((boundary
-          (concat mime-multipart-boundary "_"
-                  (replace-space-with-underline (current-time-string))
-                  ))
+    (let ((boundary (mime-edit-make-boundary))
          (i 1)
          ret)
-      (while (mime-editor/process-multipart-1
+      (while (mime-edit-process-multipart-1
              (format "%s-%d" boundary i))
        (setq i (1+ i))
        )
@@ -1834,17 +2086,22 @@ Content-Transfer-Encoding: 7bit
                       (re-search-backward "[^ \t\n]\n" beg t)
                       (forward-char 1))
                  (point))))
-         (setq ret (mime-editor/translate-region
+         (setq ret (mime-edit-translate-region
                     beg end
                     (format "%s-%d" boundary i)))
          ))
-      (mime-editor/dequote-region (point-min)(point-max))
+      (mime-edit-dequote-region (point-min)(point-max))
       (let ((contype (car ret))                ;Content-Type
            (encoding (nth 1 ret))      ;Content-Transfer-Encoding
            )
+       ;; Insert User-Agent field
+       (and mime-edit-insert-user-agent-field
+            (or (mail-position-on-field "User-Agent")
+                (insert mime-edit-user-agent-value)
+                ))
        ;; Make primary MIME headers.
-       (or (mail-position-on-field "Mime-Version")
-           (insert mime-editor/mime-version-value))
+       (or (mail-position-on-field "MIME-Version")
+           (insert mime-edit-mime-version-value))
        ;; Remove old Content-Type and other fields.
        (save-restriction
          (goto-char (point-min))
@@ -1862,12 +2119,32 @@ Content-Transfer-Encoding: 7bit
              (insert encoding)))
        ))))
 
-(defun mime-editor/translate-region (beg end &optional boundary multipart)
-  (if (null boundary)
-      (setq boundary
-           (concat mime-multipart-boundary "_"
-                   (replace-space-with-underline (current-time-string))))
-    )
+(defun mime-edit-translate-single-part-tag (boundary &optional prefix)
+  "Translate single-part-tag to MIME header."
+  (if (re-search-forward mime-edit-single-part-tag-regexp nil t)
+      (let* ((beg (match-beginning 0))
+            (end (match-end 0))
+            (tag (buffer-substring beg end)))
+       (delete-region beg end)
+       (let ((contype (mime-edit-get-contype tag))
+             (encoding (mime-edit-get-encoding tag)))
+         (insert (concat prefix "--" boundary "\n"))
+         (save-restriction
+           (narrow-to-region (point)(point))
+           (insert "Content-Type: " contype "\n")
+           (if encoding
+               (insert "Content-Transfer-Encoding: " encoding "\n"))
+           (mime-encode-header-in-buffer))
+         (cons (and contype
+                    (downcase contype))
+               (and encoding
+                    (downcase encoding))))
+       )))
+
+(defun mime-edit-translate-region (beg end &optional boundary multipart)
+  (or boundary
+      (setq boundary (mime-edit-make-boundary))
+      )
   (save-excursion
     (save-restriction
       (narrow-to-region beg end)
@@ -1877,10 +2154,10 @@ Content-Transfer-Encoding: 7bit
            (nparts 0))                 ;Number of body parts
        ;; Normalize the body part by inserting appropriate message
        ;; tags for every message contents.
-       (mime-editor/normalize-body)
+       (mime-edit-normalize-body)
        ;; Counting the number of Content-Type.
        (goto-char (point-min))
-       (while (re-search-forward mime-editor/single-part-tag-regexp nil t)
+       (while (re-search-forward mime-edit-single-part-tag-regexp nil t)
          (setq nparts (1+ nparts)))
        ;; Begin translation.
        (cond
@@ -1888,81 +2165,63 @@ Content-Transfer-Encoding: 7bit
          ;; It's a singular message.
          (goto-char (point-min))
          (while (re-search-forward
-                 mime-editor/single-part-tag-regexp nil t)
+                 mime-edit-single-part-tag-regexp nil t)
            (setq tag
                  (buffer-substring (match-beginning 0) (match-end 0)))
            (delete-region (match-beginning 0) (1+ (match-end 0)))
-           (setq contype (mime-editor/get-contype tag))
-           (setq encoding (mime-editor/get-encoding tag))
+           (setq contype (mime-edit-get-contype tag))
+           (setq encoding (mime-edit-get-encoding tag))
            ))
         (t
          ;; It's a multipart message.
          (goto-char (point-min))
-         (if (re-search-forward
-              mime-editor/single-part-tag-regexp nil t)
-             (progn
-               (setq tag
-                     (buffer-substring
-                      (match-beginning 0) (match-end 0)))
-               (delete-region (match-beginning 0) (match-end 0))
-               (setq contype (mime-editor/get-contype tag))
-               (setq encoding (mime-editor/get-encoding tag))
-               (insert "--" boundary "\n")
-               (insert "Content-Type: " contype "\n")
-               (if encoding
-                   (insert "Content-Transfer-Encoding: " encoding "\n"))
-               
-               (while (re-search-forward
-                       mime-editor/single-part-tag-regexp nil t)
-                 (setq tag
-                       (buffer-substring (match-beginning 0) (match-end 0)))
-                 (delete-region (match-beginning 0) (match-end 0))
-                 (setq contype (mime-editor/get-contype tag))
-                 (setq encoding (mime-editor/get-encoding tag))
-                 (insert "\n--" boundary "\n")
-                 (insert "Content-Type: " contype "\n")
-                 (if encoding
-                     (insert "Content-Transfer-Encoding: " encoding "\n"))
-                 )))
-         ;; Define Content-Type as "multipart/mixed".
-         (setq contype
-               (concat "multipart/mixed;\n boundary=\"" boundary "\""))
-         ;; Content-Transfer-Encoding must be "7bit".
-         ;; The following encoding can be `nil', but is
-         ;; specified as is since there is no way that a user
-         ;; specifies it.
-         (setq encoding "7bit")
-         ;; Insert the trailer.
-         (goto-char (point-max))
-         (insert "\n--" boundary "--\n")
-         ))
-       (list contype encoding boundary nparts)
-       ))))
+         (let ((prio mime-content-transfer-encoding-priority-list)
+               part-info nprio)
+           (when (setq part-info
+                       (mime-edit-translate-single-part-tag boundary))
+             (and (setq nprio (member (cdr part-info) prio))
+                  (setq prio nprio))
+             (while (setq part-info
+                          (mime-edit-translate-single-part-tag boundary "\n"))
+               (and (setq nprio (member (cdr part-info) prio))
+                    (setq prio nprio))))
+           ;; Define Content-Type as "multipart/mixed".
+           (setq contype
+                 (concat "multipart/mixed;\n boundary=\"" boundary "\""))
+           (setq encoding (car prio))
+           ;; Insert the trailer.
+           (goto-char (point-max))
+           (insert "\n--" boundary "--\n")
+           )))
+        (list contype encoding boundary nparts)
+        ))))
 
-(defun mime-editor/normalize-body ()
+(defun mime-edit-normalize-body ()
   "Normalize the body part by inserting appropriate message tags."
   ;; Insert the first MIME tags if necessary.
   (goto-char (point-min))
-  (if (not (looking-at mime-editor/single-part-tag-regexp))
+  (if (not (looking-at mime-edit-single-part-tag-regexp))
       (insert (mime-make-text-tag) "\n"))
   ;; Check each tag, and add new tag or correct it if necessary.
   (goto-char (point-min))
-  (while (re-search-forward mime-editor/single-part-tag-regexp nil t)
+  (while (re-search-forward mime-edit-single-part-tag-regexp nil t)
     (let* ((tag (buffer-substring (match-beginning 0) (match-end 0)))
-          (contype (mime-editor/get-contype tag))
+          (contype (mime-edit-get-contype tag))
           (charset (mime-get-parameter contype "charset"))
-          (encoding (mime-editor/get-encoding tag)))
+          (encoding (mime-edit-get-encoding tag)))
       ;; Remove extra whitespaces after the tag.
       (if (looking-at "[ \t]+$")
          (delete-region (match-beginning 0) (match-end 0)))
       (let ((beg (point))
-           (end (mime-editor/content-end))
-           )
-       (goto-char end)
-       (or (looking-at mime-editor/beginning-tag-regexp)
-           (eobp)
-           (insert (mime-make-text-tag) "\n")
+           (end (mime-edit-content-end))
            )
+       (if (= end (point-max))
+           nil
+         (goto-char end)
+         (or (looking-at mime-edit-beginning-tag-regexp)
+             (eobp)
+             (insert (mime-make-text-tag) "\n")
+             ))
        (visible-region beg end)
        (goto-char beg)
        )
@@ -1973,23 +2232,31 @@ Content-Transfer-Encoding: 7bit
        )
        ((mime-test-content-type contype "text")
        ;; Define charset for text if necessary.
-       (setq charset (or charset (mime-editor/choose-charset)))
-       (mime-editor/define-charset charset)
-       (cond ((string-equal contype "text/x-rot13-47")
+       (setq charset (if charset
+                         (intern (downcase charset))
+                       (mime-edit-choose-charset)))
+       (mime-edit-define-charset charset)
+       (cond ((string-equal contype "text/x-rot13-47-48")
               (save-excursion
                 (forward-line)
-                (set-mark (point))
-                (goto-char (mime-editor/content-end))
-                (tm:caesar-region)
+                (mule-caesar-region (point) (mime-edit-content-end))
                 ))
              ((string-equal contype "text/enriched")
               (save-excursion
                 (let ((beg (progn
                              (forward-line)
                              (point)))
-                      (end (mime-editor/content-end))
+                      (end (mime-edit-content-end))
                       )
-                  (enriched-encode beg end)
+                  ;; Patch for hard newlines
+                   ;; (save-excursion
+                   ;;   (goto-char beg)
+                   ;;   (while (search-forward "\n" end t)
+                   ;;     (put-text-property (match-beginning 0)
+                   ;;                        (point)
+                   ;;                        'hard t)))
+                  ;; End patch for hard newlines
+                  (enriched-encode beg end nil)
                   (goto-char beg)
                   (if (search-forward "\n\n")
                       (delete-region beg (match-end 0))
@@ -1999,30 +2266,64 @@ Content-Transfer-Encoding: 7bit
        ;; Define encoding and encode text if necessary.
        (or encoding    ;Encoding is not specified.
            (let* ((encoding
-                   (cdr
-                    (assoc charset
-                           mime-editor/charset-default-encoding-alist)
-                    ))
-                  (beg (mime-editor/content-beginning))
-                  )
-             (mime-charset-encode-region beg (mime-editor/content-end)
+                   (let (bits conv)
+                     (let ((ret (cdr (assq charset mime-charset-type-list))))
+                       (if ret
+                           (setq bits (car ret)
+                                 conv (nth 1 ret))
+                         (setq bits 8
+                               conv "quoted-printable")))
+                     (if (<= bits mime-transfer-level)
+                         (mime-encoding-name bits)
+                       conv)))
+                  (beg (mime-edit-content-beginning)))
+             (encode-mime-charset-region beg (mime-edit-content-end)
                                          charset)
-             (mime-encode-region beg (mime-editor/content-end) encoding)
-             (mime-editor/define-encoding encoding)
+             ;; Protect "From " in beginning of line
+             (save-restriction
+               (narrow-to-region beg (mime-edit-content-end))
+               (goto-char beg)
+               (let (case-fold-search)
+                 (if (re-search-forward "^From " nil t)
+                     (unless encoding
+                       (if (memq charset '(iso-2022-jp
+                                           iso-2022-jp-2
+                                           iso-2022-int-1
+                                           x-ctext))
+                           (while (progn
+                                    (replace-match "\e(BFrom ")
+                                    (re-search-forward "^From " nil t)
+                                    ))
+                         (setq encoding "quoted-printable")
+                         )))))
+             ;; canonicalize line break code
+             (or (member encoding '(nil "7bit" "8bit" "quoted-printable"))
+                 (save-restriction
+                   (narrow-to-region beg (mime-edit-content-end))
+                   (goto-char beg)
+                   (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
+                     ;; Don't use this in the multibyte buffer since it may
+                     ;; convert the unibyte string into multibyte.
+                     ;;;;(replace-match "\\1\r\n"))))
+                     (backward-char 1)
+                     (insert "\r")
+                     (forward-char 1))))
+             (goto-char beg)
+             (mime-encode-region beg (mime-edit-content-end)
+                                 (or encoding "7bit"))
+             (mime-edit-define-encoding encoding)
              ))
-       (goto-char (mime-editor/content-end))
+       (goto-char (mime-edit-content-end))
        )
        ((null encoding)                ;Encoding is not specified.
        ;; Application, image, audio, video, and any other
        ;; unknown content-type without encoding should be
        ;; encoded.
        (let* ((encoding "base64")      ;Encode in BASE64 by default.
-              (beg (mime-editor/content-beginning))
-              (end (mime-editor/content-end))
-              (body (buffer-substring beg end))
-              )
+              (beg (mime-edit-content-beginning))
+              (end (mime-edit-content-end)))
          (mime-encode-region beg end encoding)
-         (mime-editor/define-encoding encoding))
+         (mime-edit-define-encoding encoding))
        (forward-line 1)
        ))
       )))
@@ -2033,8 +2334,7 @@ Content-Transfer-Encoding: 7bit
     (goto-char (point-min))
     (while (re-search-forward regexp nil t)
       (delete-region (match-beginning 0)
-                    (progn (forward-line 1) (point)))
-      )))
+                    (1+ (std11-field-end))))))
 
 \f
 ;;;
@@ -2043,46 +2343,13 @@ Content-Transfer-Encoding: 7bit
 
 ;; Sun implementations
 
-(defun mime-voice-recorder-for-sun ()
-  "Record voice in a buffer using Sun audio device, and return the buffer.
-If the environment variable AUDIOHOST is defined, its value is used as
-a recording host instead of local host."
-  (let ((buffer (get-buffer-create " *MIME audio*"))
-       (host (getenv "AUDIOHOST")))
-    (message "Start the recording on %s.  Type C-g to finish the recording..."
-            (or host (system-name)))
-    (save-excursion
-      (set-buffer buffer)
-      (erase-buffer)
-      (condition-case errorcode
-         (let ((selective-display nil) ;Disable ^M to nl translation.
-               (mc-flag nil)           ;Mule
-               (kanji-flag nil))       ;NEmacs
-           ;; If AUDIOHOST is defined, use the value as recording host.
-           (cond ((not (null host))
-                  ;; Disable automatic conversion of coding system if Mule.
-                  (if (featurep 'mule)
-                      (define-program-coding-system nil "rsh" *noconv*))
-                  (call-process "rsh"
-                                nil
-                                buffer
-                                nil
-                                host
-                                "cat"
-                                "/dev/audio"
-                                ))
-                 (t
-                  ;; Disable automatic conversion of coding system if Mule.
-                  (if (featurep 'mule)
-                      (define-program-coding-system nil "cat" *noconv*))
-                  (call-process "cat"
-                                "/dev/audio"
-                                buffer
-                                nil
-                                ))))
-       (quit (message "Type C-g to finish recording... done.")
-             buffer                    ;Return the buffer
-             )))))
+(defun mime-edit-voice-recorder-for-sun (encoding)
+  "Record voice in a buffer using Sun audio device,
+and insert data encoded as ENCODING."
+  (message "Start the recording on %s.  Type C-g to finish the recording..."
+          (system-name))
+  (mime-insert-encoded-file "/dev/audio" encoding)
+  )
 
 \f
 ;;; @ Other useful commands.
@@ -2090,29 +2357,29 @@ a recording host instead of local host."
 
 ;; Message forwarding commands as content-type "message/rfc822".
 
-(defun mime-editor/insert-message (&optional message)
+(defun mime-edit-insert-message (&optional message)
   (interactive)
-  (let ((inserter (assoc-value major-mode mime-editor/message-inserter-alist)))
+  (let ((inserter (cdr (assq major-mode mime-edit-message-inserter-alist))))
     (if (and inserter (fboundp inserter))
        (progn
-         (mime-editor/insert-tag "message" "rfc822")
+         (mime-edit-insert-tag "message" "rfc822")
          (funcall inserter message)
          )
       (message "Sorry, I don't have message inserter for your MUA.")
       )))
 
-(defun mime-editor/insert-mail (&optional message)
+(defun mime-edit-insert-mail (&optional message)
   (interactive)
-  (let ((inserter (assoc-value major-mode mime-editor/mail-inserter-alist)))
+  (let ((inserter (cdr (assq major-mode mime-edit-mail-inserter-alist))))
     (if (and inserter (fboundp inserter))
        (progn
-         (mime-editor/insert-tag "message" "rfc822")
+         (mime-edit-insert-tag "message" "rfc822")
          (funcall inserter message)
          )
       (message "Sorry, I don't have mail inserter for your MUA.")
       )))
 
-(defun mime-editor/inserted-message-filter ()
+(defun mime-edit-inserted-message-filter ()
   (save-excursion
     (save-restriction
       (let ((header-start (point))
@@ -2125,9 +2392,9 @@ a recording host instead of local host."
          )
        (goto-char header-start)
        (while (and (re-search-forward
-                    mime-editor/yank-ignored-field-regexp nil t)
+                    mime-edit-yank-ignored-field-regexp nil t)
                    (setq beg (match-beginning 0))
-                   (setq end (1+ (rfc822/field-end)))
+                   (setq end (1+ (std11-field-end)))
                    )
          (delete-region beg end)
          )
@@ -2137,335 +2404,324 @@ a recording host instead of local host."
 ;;; @ multipart enclosure
 ;;;
 
-(defun mime-editor/enclose-region (type beg end)
+(defun mime-edit-enclose-region-internal (type beg end)
   (save-excursion
     (goto-char beg)
-    (let ((current (point)))
-      (save-restriction
-       (narrow-to-region beg end)
-       (insert (format "--<<%s>>-{\n" type))
-       (goto-char (point-max))
-       (insert (format "--}-<<%s>>\n" type))
-       (goto-char (point-max))
+    (save-restriction
+      (narrow-to-region beg end)
+      (insert (format "--<<%s>>-{\n" type))
+      (goto-char (point-max))
+      (insert (format "--}-<<%s>>\n" type))
+      (goto-char (point-max))
+      )
+    (or (looking-at mime-edit-beginning-tag-regexp)
+       (eobp)
+       (insert (mime-make-text-tag) "\n")
        )
-      (or (looking-at mime-editor/beginning-tag-regexp)
-         (eobp)
-         (insert (mime-make-text-tag) "\n")
-         )
-      )))
+    ))
 
-(defun mime-editor/enclose-quote-region (beg end)
+(defun mime-edit-enclose-quote-region (beg end)
   (interactive "*r")
-  (mime-editor/enclose-region "quote" beg end)
+  (mime-edit-enclose-region-internal 'quote beg end)
   )
 
-(defun mime-editor/enclose-mixed-region (beg end)
+(defun mime-edit-enclose-mixed-region (beg end)
   (interactive "*r")
-  (mime-editor/enclose-region "mixed" beg end)
+  (mime-edit-enclose-region-internal 'mixed beg end)
   )
 
-(defun mime-editor/enclose-parallel-region (beg end)
+(defun mime-edit-enclose-parallel-region (beg end)
   (interactive "*r")
-  (mime-editor/enclose-region "parallel" beg end)
+  (mime-edit-enclose-region-internal 'parallel beg end)
   )
 
-(defun mime-editor/enclose-digest-region (beg end)
+(defun mime-edit-enclose-digest-region (beg end)
   (interactive "*r")
-  (mime-editor/enclose-region "digest" beg end)
+  (mime-edit-enclose-region-internal 'digest beg end)
   )
 
-(defun mime-editor/enclose-alternative-region (beg end)
+(defun mime-edit-enclose-alternative-region (beg end)
   (interactive "*r")
-  (mime-editor/enclose-region "alternative" beg end)
+  (mime-edit-enclose-region-internal 'alternative beg end)
   )
 
-(defun mime-editor/enclose-signed-region (beg end)
+(defun mime-edit-enclose-pgp-signed-region (beg end)
   (interactive "*r")
-  (if mime-editor/signing-type
-      (mime-editor/enclose-region "signed" beg end)
-    (message "Please specify signing type.")
-    ))
+  (mime-edit-enclose-region-internal 'pgp-signed beg end)
+  )
 
-(defun mime-editor/enclose-encrypted-region (beg end)
+(defun mime-edit-enclose-pgp-encrypted-region (beg end)
   (interactive "*r")
-  (if mime-editor/signing-type
-      (mime-editor/enclose-region "encrypted" beg end)
-    (message "Please specify encrypting type.")
-    ))
+  (mime-edit-enclose-region-internal 'pgp-encrypted beg end)
+  )
+
+(defun mime-edit-enclose-kazu-signed-region (beg end)
+  (interactive "*r")
+  (mime-edit-enclose-region-internal 'kazu-signed beg end)
+  )
 
-(defun mime-editor/insert-key (&optional arg)
+(defun mime-edit-enclose-kazu-encrypted-region (beg end)
+  (interactive "*r")
+  (mime-edit-enclose-region-internal 'kazu-encrypted beg end)
+  )
+
+(defun mime-edit-enclose-smime-signed-region (beg end)
+  (interactive "*r")
+  (mime-edit-enclose-region-internal 'smime-signed beg end)
+  )
+
+(defun mime-edit-enclose-smime-encrypted-region (beg end)
+  (interactive "*r")
+  (mime-edit-enclose-region-internal 'smime-encrypted beg end)
+  )
+
+(defun mime-edit-insert-key (&optional arg)
   "Insert a pgp public key."
   (interactive "P")
-  (mime-editor/insert-tag "application" "pgp-keys")
-  (mime-editor/define-encoding "7bit")
-  (mc-insert-public-key)
-  )
+  (mime-edit-insert-tag "application" "pgp-keys")
+  (mime-edit-define-encoding "7bit")
+  (pgg-insert-key)
+  (if (and (not (eobp))
+          (not (looking-at mime-edit-single-part-tag-regexp)))
+      (insert (mime-make-text-tag) "\n")))
 
 
 ;;; @ flag setting
 ;;;
 
-(defun mime-editor/set-split (arg)
+(defun mime-edit-set-split (arg)
   (interactive
    (list
-    (y-or-n-p "Do you want to enable split?")
+    (y-or-n-p "Do you want to enable split? ")
     ))
-  (setq mime-editor/split-message arg)
+  (setq mime-edit-split-message arg)
   (if arg
       (message "This message is enabled to split.")
     (message "This message is not enabled to split.")
     ))
 
-(defun mime-editor/toggle-transfer-level (&optional transfer-level)
+(defun mime-edit-toggle-transfer-level (&optional transfer-level)
   "Toggle transfer-level is 7bit or 8bit through.
 
 Optional TRANSFER-LEVEL is a number of transfer-level, 7 or 8."
   (interactive)
   (if (numberp transfer-level)
-      (setq mime-editor/transfer-level transfer-level)
-    (if (< mime-editor/transfer-level 8)
-       (setq mime-editor/transfer-level 8)
-      (setq mime-editor/transfer-level 7)
+      (setq mime-transfer-level transfer-level)
+    (if (< mime-transfer-level 8)
+       (setq mime-transfer-level 8)
+      (setq mime-transfer-level 7)
       ))
-  (setq mime-editor/charset-default-encoding-alist
-       (mime/make-charset-default-encoding-alist
-        mime-editor/transfer-level))
   (message (format "Current transfer-level is %d bit"
-                  mime-editor/transfer-level))
-  (setq mime-editor/transfer-level-string
-       (mime/encoding-name mime-editor/transfer-level 'not-omit))
+                  mime-transfer-level))
+  (setq mime-transfer-level-string
+       (mime-encoding-name mime-transfer-level 'not-omit))
   (force-mode-line-update)
   )
 
+(defun mime-edit-set-transfer-level-7bit ()
+  (interactive)
+  (mime-edit-toggle-transfer-level 7)
+  )
+
+(defun mime-edit-set-transfer-level-8bit ()
+  (interactive)
+  (mime-edit-toggle-transfer-level 8)
+  )
+
 
 ;;; @ pgp
 ;;;
 
-(defun mime-editor/set-sign (arg)
+(defvar mime-edit-pgp-processing nil)
+(make-variable-buffer-local 'mime-edit-pgp-processing)
+
+(defun mime-edit-set-sign (arg)
   (interactive
    (list
-    (y-or-n-p "Do you want to sign?")
+    (y-or-n-p "Do you want to sign? ")
     ))
   (if arg
-      (if mime-editor/signing-type
-         (progn
-           (setq mime-editor/pgp-processing 'sign)
-           (message "This message will be signed.")
-           )
-       (message "Please specify signing type.")
+      (progn
+       (or (memq 'sign mime-edit-pgp-processing)
+           (setq mime-edit-pgp-processing 
+                 (nconc mime-edit-pgp-processing 
+                        (copy-sequence '(sign)))))
+       (message "This message will be signed.")
        )
-    (if (eq mime-editor/pgp-processing 'sign)
-       (setq mime-editor/pgp-processing nil)
-      )
+    (setq mime-edit-pgp-processing 
+         (delq 'sign mime-edit-pgp-processing))
     (message "This message will not be signed.")
     ))
 
-(defun mime-editor/set-encrypt (arg)
+(defun mime-edit-set-encrypt (arg)
   (interactive
    (list
-    (y-or-n-p "Do you want to encrypt?")
+    (y-or-n-p "Do you want to encrypt? ")
     ))
   (if arg
-      (if mime-editor/encrypting-type
-         (progn
-           (setq mime-editor/pgp-processing 'encrypt)
-           (message "This message will be encrypt.")
-           )
-       (message "Please specify encrypting type.")
+      (progn
+       (or (memq 'encrypt mime-edit-pgp-processing)
+           (setq mime-edit-pgp-processing 
+                 (nconc mime-edit-pgp-processing 
+                        (copy-sequence '(encrypt)))))
+       (message "This message will be encrypt.")
        )
-    (if (eq mime-editor/pgp-processing 'encrypt)
-       (setq mime-editor/pgp-processing nil)
-      )
+    (setq mime-edit-pgp-processing
+         (delq 'encrypt mime-edit-pgp-processing))
     (message "This message will not be encrypt.")
     ))
 
-(defvar mime-editor/pgp-processing nil)
-(make-variable-buffer-local 'mime-editor/pgp-processing)
-
-(defun mime-editor/pgp-enclose-buffer ()
+(defun mime-edit-pgp-enclose-buffer ()
   (let ((beg (save-excursion
               (goto-char (point-min))
               (if (search-forward (concat "\n" mail-header-separator "\n"))
                   (match-end 0)
                 )))
-       (end (point-max))
        )
     (if beg
-       (cond ((eq mime-editor/pgp-processing 'sign)
-              (mime-editor/enclose-signed-region beg end)
-              )
-             ((eq mime-editor/pgp-processing 'encrypt)
-              (mime-editor/enclose-encrypted-region beg end)
-              ))
+       (dolist (pgp-processing mime-edit-pgp-processing)
+         (case pgp-processing
+           (sign
+            (mime-edit-enclose-pgp-signed-region 
+             beg (point-max))
+            )
+           (encrypt
+            (mime-edit-enclose-pgp-encrypted-region 
+             beg (point-max))
+            )))
       )))
 
 
 ;;; @ split
 ;;;
 
-(defun mime-editor/insert-partial-header
-  (fields subject id number total separator)
+(defun mime-edit-insert-partial-header (fields subject
+                                              id number total separator)
   (insert fields)
   (insert (format "Subject: %s (%d/%d)\n" subject number total))
-  (insert (format "Mime-Version: 1.0 (split by %s)\n"
-                 mime-editor/version-name))
+  (insert mime-edit-mime-version-field-for-message/partial)
   (insert (format "\
 Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
                  id number total separator))
   )
 
-(defun mime-editor/split-and-send
-  (&optional cmd lines mime-editor/message-max-length)
+(defun mime-edit-split-and-send
+  (&optional cmd lines mime-edit-message-max-length)
   (interactive)
   (or lines
       (setq lines
            (count-lines (point-min) (point-max)))
       )
-  (or mime-editor/message-max-length
-      (setq mime-editor/message-max-length
-           (or (cdr (assq major-mode mime-editor/message-max-length-alist))
-               mime-editor/message-default-max-length))
+  (or mime-edit-message-max-length
+      (setq mime-edit-message-max-length
+           (or (cdr (assq major-mode mime-edit-message-max-lines-alist))
+               mime-edit-message-default-max-lines))
       )
-  (let* ((mime-editor/draft-file-name 
-         (or (buffer-file-name)
-             (make-temp-name
-              (expand-file-name "tm-draft" mime/tmp-dir))))
-        (separator mail-header-separator)
-        (config
-         (eval (cdr (assq major-mode mime-editor/window-config-alist))))
+  (let* ((separator mail-header-separator)
         (id (concat "\""
                     (replace-space-with-underline (current-time-string))
                     "@" (system-name) "\"")))
-    (run-hooks 'mime-editor/before-split-hook)
-    (let* ((header (rfc822/get-header-string-except
-                   mime-editor/split-ignored-field-regexp separator))
-          (subject (mail-fetch-field "subject"))
-          (total (+ (/ lines mime-editor/message-max-length)
-                    (if (> (mod lines mime-editor/message-max-length) 0)
-                        1)))
-          (the-buf (current-buffer))
-          (buf (get-buffer "*tmp-send*"))
-          (command
-           (or cmd
-               (cdr
-                (assq major-mode
-                      mime-editor/split-message-sender-alist))
-               (cdr
-                (assq major-mode
-                      mime-editor/message-default-sender-alist))
-               ))
-          data)
-      (goto-char (point-min))
-      (if (re-search-forward (concat "^" (regexp-quote separator) "$")
-                            nil t)
-         (replace-match "")
-       )
-      (if buf
-         (progn
-           (switch-to-buffer buf)
-           (erase-buffer)
-           (switch-to-buffer the-buf)
-           )
-       (setq buf (get-buffer-create "*tmp-send*"))
-       )
-      (switch-to-buffer buf)
-      (make-local-variable 'mail-header-separator)
-      (setq mail-header-separator separator)
-      (switch-to-buffer the-buf)
-      (goto-char (point-min))
-      (re-search-forward "^$" nil t)
-      (let ((mime-editor/partial-number 1))
-       (setq data (buffer-substring
-                   (point-min)
-                   (progn
-                     (goto-line mime-editor/message-max-length)
-                     (point))
-                   ))
-       (delete-region (point-min)(point))
-       (switch-to-buffer buf)
-       (mime-editor/insert-partial-header
-        header subject id mime-editor/partial-number total separator)
-       (insert data)
-       (save-excursion
-         (save-restriction
-           (goto-char (point-min))
-           (search-forward (concat "\n" mail-header-separator "\n"))
-           (narrow-to-region
-            (match-end 0)
-            (if (re-search-forward "^$" nil t)
-                (match-beginning 0)
-              (point-max)
+    (run-hooks 'mime-edit-before-split-hook)
+    (let ((the-buf (current-buffer))
+         (copy-buf (get-buffer-create " *Original Message*"))
+         (header (std11-header-string-except
+                  mime-edit-split-ignored-field-regexp separator))
+         (subject (mail-fetch-field "subject"))
+         (total (+ (/ lines mime-edit-message-max-length)
+                   (if (> (mod lines mime-edit-message-max-length) 0)
+                       1)))
+         (command
+          (or cmd
+              (cdr
+               (assq major-mode
+                     mime-edit-split-message-sender-alist))
+              (function
+               (lambda ()
+                 (interactive)
+                 (error "Split sender is not specified for `%s'." major-mode)
+                 ))
               ))
-           (goto-char (point-min))
-           (while (re-search-forward
-                   mime-editor/split-blind-field-regexp nil t)
-             (delete-region (match-beginning 0)
-                            (let ((e (rfc822/field-end)))
-                              (if (< e (point-max))
-                                  (1+ e)
-                                e)))
-             )
-           ))
-       (save-excursion
-         (message (format "Sending %d/%d..."
-                          mime-editor/partial-number total))
-         (call-interactively command)
-         (message (format "Sending %d/%d... done"
-                          mime-editor/partial-number total))
-         )
+         (mime-edit-partial-number 1)
+         data)
+      (save-excursion
+       (set-buffer copy-buf)
        (erase-buffer)
-       (switch-to-buffer the-buf)
-       (setq mime-editor/partial-number 2)
-       (while (< mime-editor/partial-number total)
+       (insert-buffer the-buf)
+       (save-restriction
+         (if (re-search-forward
+              (concat "^" (regexp-quote separator) "$") nil t)
+             (let ((he (match-beginning 0)))
+               (replace-match "")
+               (narrow-to-region (point-min) he)
+               ))
+         (goto-char (point-min))
+         (while (re-search-forward mime-edit-split-blind-field-regexp nil t)
+           (delete-region (match-beginning 0)
+                          (1+ (std11-field-end)))
+           )))
+      (while (< mime-edit-partial-number total)
+       (erase-buffer)
+       (save-excursion
+         (set-buffer copy-buf)
          (setq data (buffer-substring
                      (point-min)
                      (progn
-                       (goto-line mime-editor/message-max-length)
+                       (goto-line mime-edit-message-max-length)
                        (point))
                      ))
          (delete-region (point-min)(point))
-         (switch-to-buffer buf)
-         (mime-editor/insert-partial-header
-          header subject id mime-editor/partial-number total separator)
-         (insert data)
-         (save-excursion
-           (message (format "Sending %d/%d..."
-                            mime-editor/partial-number total))
-           (call-interactively command)
-           (message (format "Sending %d/%d... done"
-                            mime-editor/partial-number total))
-           )
-         (erase-buffer)
-         (switch-to-buffer the-buf)
-         (setq mime-editor/partial-number
-               (1+ mime-editor/partial-number))
          )
-       (goto-char (point-min))
-       (mime-editor/insert-partial-header
-        header subject id mime-editor/partial-number total separator)
+       (mime-edit-insert-partial-header
+        header subject id mime-edit-partial-number total separator)
+       (insert data)
+       (save-excursion
+         (message (format "Sending %d/%d..."
+                          mime-edit-partial-number total))
+         (call-interactively command)
+         (message (format "Sending %d/%d...done"
+                          mime-edit-partial-number total))
+         )
+       (setq mime-edit-partial-number
+             (1+ mime-edit-partial-number))
+       )
+      (erase-buffer)
+      (save-excursion
+       (set-buffer copy-buf)
+       (setq data (buffer-string))
+       (erase-buffer)
+       )
+      (mime-edit-insert-partial-header
+       header subject id mime-edit-partial-number total separator)
+      (insert data)
+      (save-excursion
        (message (format "Sending %d/%d..."
-                        mime-editor/partial-number total))
-       ))))
+                        mime-edit-partial-number total))
+       (message (format "Sending %d/%d...done"
+                        mime-edit-partial-number total))
+       )
+      )))
 
-(defun mime-editor/maybe-split-and-send (&optional cmd)
+(defun mime-edit-maybe-split-and-send (&optional cmd)
   (interactive)
-  (run-hooks 'mime-editor/before-send-hook)
-  (let ((mime-editor/message-max-length
-        (or (cdr (assq major-mode mime-editor/message-max-length-alist))
-            mime-editor/message-default-max-length))
+  (run-hooks 'mime-edit-before-send-hook)
+  (let ((mime-edit-message-max-length
+        (or (cdr (assq major-mode mime-edit-message-max-lines-alist))
+            mime-edit-message-default-max-lines))
        (lines (count-lines (point-min) (point-max)))
        )
-    (if (and (> lines mime-editor/message-max-length)
-            mime-editor/split-message)
-       (mime-editor/split-and-send cmd lines mime-editor/message-max-length)
+    (if (and (> lines mime-edit-message-max-length)
+            mime-edit-split-message)
+       (mime-edit-split-and-send cmd lines mime-edit-message-max-length)
       )))
 
 
 ;;; @ preview message
 ;;;
 
-(defun mime-editor/preview-message ()
-  "preview editing MIME message. [mime-edit.el]"
+(defvar mime-edit-buffer nil) ; buffer local variable
+
+(defun mime-edit-preview-message ()
+  "preview editing MIME message."
   (interactive)
   (let* ((str (buffer-string))
         (separator mail-header-separator)
@@ -2473,6 +2729,7 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
         (buf-name (buffer-name))
         (temp-buf-name (concat "*temp-article:" buf-name "*"))
         (buf (get-buffer temp-buf-name))
+        (pgp-processing mime-edit-pgp-processing)
         )
     (if buf
        (progn
@@ -2483,248 +2740,304 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
       (switch-to-buffer buf)
       )
     (insert str)
-    (setq major-mode 'mime/temporary-message-mode)
+    (setq major-mode 'mime-temp-message-mode)
     (make-local-variable 'mail-header-separator)
     (setq mail-header-separator separator)
-    (make-local-variable 'mime/editing-buffer)
-    (setq mime/editing-buffer the-buf)
-    
-    (run-hooks 'mime-editor/translate-hook)
-    (mime-editor/translate-buffer)
+    (make-local-variable 'mime-edit-buffer)
+    (setq mime-edit-buffer the-buf)
+    (setq mime-edit-pgp-processing pgp-processing)
+
+    (run-hooks 'mime-edit-translate-hook)
+    (mime-edit-translate-buffer)
     (goto-char (point-min))
     (if (re-search-forward
         (concat "^" (regexp-quote separator) "$"))
        (replace-match "")
       )
-    (mime/viewer-mode)
-    ))
-
-(defun mime-editor/quitting-method ()
-  (let ((temp mime::preview/article-buffer)
-       buf)
-    (mime-viewer/kill-buffer)
+    (mime-view-buffer)
+    (make-local-variable 'mime-edit-temp-message-buffer)
+    (setq mime-edit-temp-message-buffer buf)))
+
+(defun mime-edit-quitting-method ()
+  "Quitting method for mime-view."
+  (let* ((temp mime-edit-temp-message-buffer)
+        buf)
+    (mime-preview-kill-buffer)
     (set-buffer temp)
-    (setq buf mime/editing-buffer)
+    (setq buf mime-edit-buffer)
     (kill-buffer temp)
-    (switch-to-buffer buf)
-    ))
-
-(set-alist 'mime-viewer/quitting-method-alist
-          'mime/temporary-message-mode
-          (function mime-editor/quitting-method)
-          )
-
+    (switch-to-buffer buf)))
 
-;;; @ draft preview
-;;; 
-;; by "OKABE Yasuo <okabe@kudpc.kyoto-u.ac.jp>
-;;      Mon, 10 Apr 1995 20:03:07 +0900
+(set-alist 'mime-preview-quitting-method-alist
+          'mime-temp-message-mode
+          #'mime-edit-quitting-method)
 
-(defvar mime-editor/draft-header-separator-alist
-  '((news-reply-mode . mail-header-separator)
-    (mh-letter-mode . mail-header-separator)
-    ))
 
-(defvar mime::article/draft-header-separator nil)
+;;; @ edit again
+;;;
 
-(defun mime-editor/draft-preview ()
-  (interactive)
-  (let ((sep (cdr (assq major-mode mime-editor/draft-header-separator-alist))))
-    (or (stringp sep) (setq sep (eval sep)))
-    (make-variable-buffer-local 'mime::article/draft-header-separator)
+(defvar mime-edit-again-ignored-field-regexp
+  (concat "^\\(" "Content-.*\\|Mime-Version"
+         (if mime-edit-insert-user-agent-field "\\|User-Agent")
+         "\\):")
+  "Regexp for deleted header fields when `mime-edit-again' is called.")
+
+(defsubst eliminate-top-spaces (string)
+  "Eliminate top sequence of space or tab in STRING."
+  (if (string-match "^[ \t]+" string)
+      (substring string (match-end 0))
+    string))
+
+(defun mime-edit-decode-multipart-in-buffer (content-type not-decode-text)
+  (let* ((subtype
+         (or
+          (cdr (assoc (mime-content-type-parameter content-type "protocol")
+                      '(("application/pgp-encrypted" . pgp-encrypted)
+                        ("application/pgp-signature" . pgp-signed))))
+          (mime-content-type-subtype content-type)))
+        (boundary (mime-content-type-parameter content-type "boundary"))
+        (boundary-pat (concat "\n--" (regexp-quote boundary) "[ \t]*\n")))
+    (re-search-forward boundary-pat nil t)
+    (let ((bb (match-beginning 0)) eb tag)
+      (setq tag (format "\n--<<%s>>-{\n" subtype))
+      (goto-char bb)
+      (insert tag)
+      (setq bb (+ bb (length tag)))
+      (re-search-forward
+       (concat "\n--" (regexp-quote boundary) "--[ \t]*\n")
+       nil t)
+      (setq eb (match-beginning 0))
+      (replace-match (format "--}-<<%s>>\n" subtype))
+      (save-restriction
+       (narrow-to-region bb eb)
+       (goto-char (point-min))
+       (while (re-search-forward boundary-pat nil t)
+         (let ((beg (match-beginning 0))
+               end)
+           (delete-region beg (match-end 0))
+           (save-excursion
+             (if (re-search-forward boundary-pat nil t)
+                 (setq end (match-beginning 0))
+               (setq end (point-max))
+               )
+             (save-restriction
+               (narrow-to-region beg end)
+               (cond
+                ((eq subtype 'pgp-encrypted)
+                 (when (and
+                        (progn
+                          (goto-char (point-min))
+                          (re-search-forward "^-+BEGIN PGP MESSAGE-+$"
+                                             nil t))
+                        (prog1 
+                            (save-window-excursion
+                              (pgg-decrypt-region (match-beginning 0)
+                                                  (point-max)))
+                          (delete-region (point-min)(point-max))))
+                   (insert-buffer-substring pgg-output-buffer)
+                   (mime-edit-decode-message-in-buffer 
+                    nil not-decode-text)
+                   (delete-region (goto-char (point-min))
+                                  (if (search-forward "\n\n" nil t)
+                                      (match-end 0)
+                                    (point-min)))
+                   (goto-char (point-max))
+                   ))
+                (t 
+                 (mime-edit-decode-message-in-buffer
+                  (if (eq subtype 'digest)
+                      (eval-when-compile
+                        (make-mime-content-type 'message 'rfc822))
+                    )
+                  not-decode-text)
+                 (goto-char (point-max))
+                 ))
+               ))))
+       ))
     (goto-char (point-min))
-    (re-search-forward
-     (concat "^\\(" (regexp-quote sep) "\\)?$"))
-    (setq mime::article/draft-header-separator
-         (buffer-substring (match-beginning 0) (match-end 0)))
-    (replace-match "")
-    (mime/viewer-mode (current-buffer))
-    (pop-to-buffer (current-buffer))
+    (or (= (point-min) 1)
+       (delete-region (point-min)
+                      (if (search-forward "\n\n" nil t)
+                          (match-end 0)
+                        (point-min)
+                        )))
     ))
 
-(defun mime-viewer::quitting-method/draft-preview ()
-  (let ((mother mime::preview/mother-buffer))
+(defun mime-edit-decode-single-part-in-buffer
+  (content-type not-decode-text &optional content-disposition)
+  (let* ((type (mime-content-type-primary-type content-type))
+        (subtype (mime-content-type-subtype content-type))
+        (ctype (format "%s/%s" type subtype))
+        charset
+        (pstr (let ((bytes (+ 14 (length ctype))))
+                (mapconcat (function
+                            (lambda (attr)
+                              (if (string= (car attr) "charset")
+                                  (progn
+                                    (setq charset (cdr attr))
+                                    "")
+                                (let* ((str (concat (car attr)
+                                                    "=" (cdr attr)))
+                                       (bs (length str)))
+                                  (setq bytes (+ bytes bs 2))
+                                  (if (< bytes 76)
+                                      (concat "; " str)
+                                    (setq bytes (+ bs 1))
+                                    (concat ";\n " str)
+                                    )
+                                  ))))
+                           (mime-content-type-parameters content-type) "")))
+        encoding
+        encoded
+        (limit (save-excursion
+                 (if (search-forward "\n\n" nil t)
+                     (1- (point)))))
+        (disposition-type
+         (mime-content-disposition-type content-disposition))
+        (disposition-str
+         (if disposition-type
+             (let ((bytes (+ 21 (length (format "%s" disposition-type)))))
+               (mapconcat (function
+                           (lambda (attr)
+                             (let* ((str (concat
+                                          (car attr)
+                                          "="
+                                          (if (string-equal "filename"
+                                                            (car attr))
+                                              (std11-wrap-as-quoted-string
+                                               (cdr attr))
+                                            (cdr attr))))
+                                    (bs (length str)))
+                               (setq bytes (+ bytes bs 2))
+                               (if (< bytes 76)
+                                   (concat "; " str)
+                                 (setq bytes (+ bs 1))
+                                 (concat ";\n " str)
+                                 )
+                               )))
+                          (mime-content-disposition-parameters
+                           content-disposition)
+                          ""))))
+        )
+    (if disposition-type
+       (setq pstr (format "%s\nContent-Disposition: %s%s"
+                          pstr disposition-type disposition-str))
+      )
     (save-excursion
-      (switch-to-buffer mother)
-      (goto-char (point-min))
-      (if (and
-          (re-search-forward
-           (concat "^\\("
-                   (regexp-quote mime::article/draft-header-separator)
-                   "\\)?$") nil t)
-          (bolp))
+      (if (re-search-forward
+          "^Content-Transfer-Encoding:" limit t)
+         (let ((beg (match-beginning 0))
+               (hbeg (match-end 0))
+               (end (std11-field-end limit)))
+           (setq encoding
+                 (downcase
+                  (eliminate-top-spaces
+                   (std11-unfold-string
+                    (buffer-substring hbeg end)))))
+           (if (or charset (eq type 'text))
+               (progn
+                 (delete-region beg (1+ end))
+                 (goto-char (point-min))
+                 (if (search-forward "\n\n" nil t)
+                     (progn
+                       (mime-decode-region
+                        (match-end 0)(point-max) encoding)
+                       (setq encoded t
+                             encoding nil)
+                       )))))))
+    (if (and (eq type 'text)
+            (or encoded (not not-decode-text)))
+       (progn
+         (save-excursion
+           (goto-char (point-min))
+           (while (re-search-forward "\r\n" nil t)
+             (replace-match "\n")
+             ))
+         (decode-mime-charset-region (point-min)(point-max)
+                                     (or charset default-mime-charset))
+         ))
+    (let ((he (if (re-search-forward "^$" nil t)
+                 (match-end 0)
+               (point-min)
+               )))
+      (if (and (eq type 'text)
+              (eq subtype 'x-rot13-47-48))
+         (mule-caesar-region he (point-max))
+       )
+      (if (= (point-min) 1)
          (progn
-           (insert mime::article/draft-header-separator)
-           (set-buffer-modified-p (buffer-modified-p))
-           )))
-    (mime-viewer/kill-buffer)
-    (pop-to-buffer mother)
+           (goto-char he)
+           (insert
+            (concat "\n"
+                    (mime-create-tag
+                     (format "%s/%s%s" type subtype pstr)
+                     encoding)))
+           )
+       (delete-region (point-min) he)
+       (insert
+        (mime-create-tag (format "%s/%s%s" type subtype pstr)
+                         encoding))
+       ))
     ))
 
-(set-alist 'mime-viewer/quitting-method-alist
-          'mh-letter-mode
-          (function mime-viewer::quitting-method/draft-preview)
-          )
-
-(set-alist 'mime-viewer/quitting-method-alist
-          'news-reply-mode
-          (function mime-viewer::quitting-method/draft-preview)
-          )
-
-
-;;; @ edit again
-;;;
-
-(defun mime-editor::edit-again (code-conversion)
+;;;###autoload
+(defun mime-edit-decode-message-in-buffer (&optional default-content-type
+                                                    not-decode-text)
   (save-excursion
     (goto-char (point-min))
-    (let ((ctl (mime/Content-Type)))
+    (let ((ctl (or (mime-read-Content-Type)
+                  default-content-type)))
       (if ctl
-         (let ((ctype (car ctl))
-               (params (cdr ctl))
-               type stype)
-           (if (string-match "/" ctype)
-               (progn
-                 (setq type (substring ctype 0 (match-beginning 0)))
-                 (setq stype (substring ctype (match-end 0)))
-                 )
-             (setq type ctype)
-             )
+         (let ((type (mime-content-type-primary-type ctl)))
            (cond
-            ((string-equal type "multipart")
-             (let ((boundary (assoc-value "boundary" params)))
-               (re-search-forward (concat "\n--" boundary) nil t)
-               (let ((bb (match-beginning 0)) eb tag)
-                 (setq tag (format "\n--<<%s>>-{" stype))
-                 (goto-char bb)
-                 (insert tag)
-                 (setq bb (+ bb (length tag)))
-                 (re-search-forward (concat "\n--" boundary "--") nil t)
-                 (setq eb (match-beginning 0))
-                 (replace-match (format "\n--}-<<%s>>" stype))
-                 (save-restriction
-                   (narrow-to-region bb eb)
-                   (goto-char (point-min))
-                   (while (re-search-forward
-                           (concat "\n--" boundary "\n") nil t)
-                     (let ((beg (match-beginning 0))
-                           end)
-                       (delete-region beg (match-end 0))
-                       (save-excursion
-                         (if (re-search-forward
-                              (concat "\n--" boundary) nil t)
-                             (setq end (match-beginning 0))
-                           (setq end (point-max))
-                           )
-                         (save-restriction
-                           (narrow-to-region beg end)
-                           (mime-editor::edit-again code-conversion)
-                           (goto-char (point-max))
-                           ))))
-                   ))
-               (goto-char (point-min))
-               (or (= (point-min) 1)
-                   (delete-region (point-min)
-                                  (if (re-search-forward "^$" nil t)
-                                      (match-end 0)
-                                    (point-min)
-                                    )))
-               ))
+            ((and (eq type 'application)
+                  (eq (mime-content-type-subtype ctl) 'pgp-signature))
+             (delete-region (point-min)(point-max))
+             )
+            ((eq type 'multipart)
+             (mime-edit-decode-multipart-in-buffer ctl not-decode-text)
+             )
             (t
-             (let* (charset
-                    (pstr
-                     (mapconcat (function
-                                 (lambda (attr)
-                                   (if (string-equal (car attr)
-                                                     "charset")
-                                       (progn
-                                         (setq charset (cdr attr))
-                                         "")
-                                     (concat ";" (car attr)
-                                             "=" (cdr attr))
-                                     )
-                                   ))
-                                params ""))
-                    encoding
-                    encoded)
-               (save-excursion
-                 (if (re-search-forward
-                      "Content-Transfer-Encoding:" nil t)
-                     (let ((beg (match-beginning 0))
-                           (hbeg (match-end 0))
-                           (end (rfc822/field-end)))
-                       (setq encoding
-                             (eliminate-top-spaces
-                              (rfc822/unfolding-string
-                               (buffer-substring hbeg end))))
-                       (if (or charset (string-equal type "text"))
-                           (progn
-                             (delete-region beg (1+ end))
-                             (goto-char (point-min))
-                             (if (search-forward "\n\n" nil t)
-                                 (progn
-                                   (mime-decode-region
-                                    (match-end 0)(point-max) encoding)
-                                   (setq encoded t
-                                         encoding nil)
-                                   )))))))
-               (if (or code-conversion encoded)
-                   (if charset
-                       (mime-charset-decode-region (point-min)(point-max)
-                                                   charset)
-                     (character-decode-region (point-min)(point-max)
-                                              mime/default-coding-system)
-                     ))
-               (let ((he
-                      (if (re-search-forward "^$" nil t)
-                          (match-end 0)
-                        (point-min)
-                        )))
-                 (if (= (point-min) 1)
-                     (progn
-                       (goto-char he)
-                       (insert
-                        (concat
-                         "\n"
-                         (mime-create-tag
-                          (concat type "/" stype pstr) encoding)
-                         ))
-                       )
-                   (delete-region (point-min) he)
-                   (insert
-                    (concat "\n"
-                            (mime-create-tag
-                             (concat type "/" stype pstr) encoding)
-                            ))
-                   ))
-               ))))
-       (if code-conversion
-           (character-decode-region (point-min) (point-max)
-                                    mime/default-coding-system)
-         )
-       ))))
+             (mime-edit-decode-single-part-in-buffer
+              ctl not-decode-text (mime-read-Content-Disposition))
+             )))
+       (or not-decode-text
+           (decode-mime-charset-region (point-min) (point-max)
+                                       default-mime-charset))
+       )
+      (if (= (point-min) 1)
+         (progn
+           (save-restriction
+             (std11-narrow-to-header)
+             (goto-char (point-min))
+             (while (re-search-forward
+                     mime-edit-again-ignored-field-regexp nil t)
+               (delete-region (match-beginning 0) (1+ (std11-field-end)))
+               ))
+           (mime-decode-header-in-buffer (not not-decode-text))
+           ))
+      )))
 
-(defun mime/edit-again (&optional code-conversion no-separator no-mode)
+;;;###autoload
+(defun mime-edit-again (&optional not-decode-text no-separator not-turn-on)
+  "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode.
+Content-Type and Content-Transfer-Encoding header fields will be
+converted to MIME-Edit tags."
   (interactive)
-  (mime-editor::edit-again code-conversion)
   (goto-char (point-min))
-  (save-restriction
-    (narrow-to-region (point-min)
-                     (if (re-search-forward "^$" nil t)
-                         (match-end 0)
-                       (point-max)
-                       ))
-    (goto-char (point-min))
-    (while (re-search-forward
-           "^\\(Content-.*\\|Mime-Version\\):" nil t)
-      (delete-region (match-beginning 0) (1+ (rfc822/field-end)))
-      ))
+  (if (search-forward
+       (concat "\n" (regexp-quote mail-header-separator) "\n")
+       nil t)
+      (replace-match "\n\n")
+    )
+  (mime-edit-decode-message-in-buffer nil not-decode-text)
+  (goto-char (point-min))
   (or no-separator
       (and (re-search-forward "^$")
           (replace-match mail-header-separator)
           ))
-  (or no-mode
-      (mime/editor-mode)
+  (or not-turn-on
+      (turn-on-mime-edit)
       ))
 
 
@@ -2732,11 +3045,7 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
 ;;;
 
 (provide 'mime-edit)
-(provide 'tm-edit)
 
-(if (boundp 'mime-edit-load-hook)
-    (run-hooks 'mime-edit-load-hook)
-  (run-hooks 'tm-edit-load-hook)
-  )
+(run-hooks 'mime-edit-load-hook)
 
 ;;; mime-edit.el ends here