Merge semi-1_11_0_9.
[elisp/semi.git] / mime-edit.el
index 7265ccd..873c5bf 100644 (file)
@@ -1,16 +1,14 @@
 ;;; mime-edit.el --- Simple MIME Composer for GNU Emacs
 
-;; Copyright (C) 1993,1994,1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1993,1994,1995,1996,1997,1998 Free Software Foundation, Inc.
 
 ;; 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
 ;;     Renamed: 1997/2/21 from tm-edit.el
-;; Version: $Revision: 0.39 $
 ;; Keywords: MIME, multimedia, multilingual, mail, news
 
-;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+;; 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
 ;; 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].  Mule is required for reading the such
-;; messages.
+;; 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-edit-mode automatically:
 ;;
-;; (autoload 'mime-edit-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-edit-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-edit-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-edit-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:
@@ -81,7 +79,7 @@
 ;;           (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:
@@ -92,7 +90,7 @@
 ;;
 ;; 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]]
 (require 'sendmail)
 (require 'mail-utils)
 (require 'mel)
-(require 'tl-list)
 (require 'mime-view)
-(require 'tm-ew-e)
 (require 'signature)
+(require 'alist)
+(require 'invisible)
 
 
 ;;; @ version
 ;;;
 
-(defconst mime-editor/RCS-ID
-  "$Id: mime-edit.el,v 0.39 1997-02-21 06:57:11 tmorioka 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
+    (eval-when-compile
+      (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-editor/voice-recorder
-  (function mime-editor/voice-recorder-for-sun)
-  "*Function to record a voice message and encode it. [mime-edit.el]")
-
-(defvar mime-edit-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"
@@ -170,19 +187,12 @@ 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"
@@ -200,9 +210,13 @@ 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"))
@@ -211,6 +225,7 @@ To insert a signature file automatically, call the function
     ("image"
      ("gif")
      ("jpeg")
+     ("png")
      ("tiff")
      ("x-pic")
      ("x-mag")
@@ -222,20 +237,88 @@ 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" "winword" nil
+     "base64"
+     "attachment" (("filename" . file))
+     )
+
+    ("\\.pln$"
+     "text"    "plain"         nil
+     nil
+     "inline"          (("filename" . file))
+     )
     ("\\.ps$"
      "application" "postscript"        nil
      "quoted-printable"
      "attachment"      (("filename" . file))
      )
+
+    ;;  Pure binary
+
     ("\\.jpg$"
      "image"   "jpeg"          nil
      "base64"
@@ -246,6 +329,11 @@ To insert a signature file automatically, call the function
      "base64"
      "inline"          (("filename" . file))
      )
+    ("\\.png$"
+     "image"   "png"           nil
+     "base64"
+     "inline"          (("filename" . file))
+     )
     ("\\.tiff$"
      "image"   "tiff"          nil
      "base64"
@@ -281,16 +369,6 @@ To insert a signature file automatically, call the function
      "base64"
      "attachment"      (("filename" . file))
      )
-    ("\\.el$"
-     "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"))
      "base64"
@@ -331,136 +409,187 @@ To insert a signature file automatically, call the function
      "base64"
      "attachment"      (("filename" . file))
      )
-    ("\\.diff$"
-     "application" "octet-stream" (("type" . "patch"))
-     nil
-     "attachment"      (("filename" . file))
-     )
-    ("\\.patch$"
-     "application" "octet-stream" (("type" . "patch"))
-     nil
-     "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
+(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-2022-jp       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")
+    (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-editor/transfer-level)
-
-(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)
-
-(defun mime-editor/make-charset-default-encoding-alist (transfer-level)
-  (mapcar (function
-          (lambda (charset-type)
-            (let ((charset  (car charset-type))
-                  (type     (nth 1 charset-type))
-                  (encoding (nth 2 charset-type))
-                  )
-              (if (<= type transfer-level)
-                  (cons charset (mime/encoding-name type))
-                (cons charset encoding)
-                ))))
-         mime-charset-type-list))
+(make-variable-buffer-local 'mime-transfer-level)
 
-(defvar mime-editor/charset-default-encoding-alist
-  (mime-editor/make-charset-default-encoding-alist mime-editor/transfer-level))
-(make-variable-buffer-local 'mime-editor/charset-default-encoding-alist)
+(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)
+
+
+;;; @@ about content transfer encoding
+
+(defvar mime-content-transfer-encoding-priority-list
+  '(nil "8bit" "binary"))
 
 ;;; @@ about message inserting
 ;;;
 
-(defvar mime-editor/yank-ignored-field-list
+(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]")
+(defcustom mime-edit-split-message t
+  "*Split large message if it is non-nil."
+  :group 'mime-edit
+  :type 'boolean)
 
-(defvar mime-editor/message-default-max-lines 1000
-  "*Default maximum lines of a message. [mime-edit.el]")
+(defcustom mime-edit-message-default-max-lines 1000
+  "*Default maximum lines of a message."
+  :group 'mime-edit
+  :type 'integer)
 
-(defvar mime-editor/message-max-lines-alist
+(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-editor/message-default-max-lines' is used. [mime-edit.el]")
+`mime-edit-message-default-max-lines' is used."
+  :group 'mime-edit
+  :type 'list)
 
-(defconst mime-editor/split-ignored-field-regexp
-  "\\(^Content-\\|^Subject:\\|^Mime-Version:\\)")
+(defconst mime-edit-split-ignored-field-regexp
+  "\\(^Content-\\|^Subject:\\|^Mime-Version:\\|^Message-Id:\\)")
 
-(defvar mime-editor/split-blind-field-regexp
-  "\\(^[BDFbdf]cc:\\|^cc:[ \t]*$\\)")
-
-(defvar mime-editor/split-message-sender-alist nil)
-
-(defvar mime-editor/news-reply-mode-server-running nil)
-
-
-;;; @@ about PGP
-;;;
+(defcustom mime-edit-split-blind-field-regexp
+  "\\(^[BDFbdf]cc:\\|^cc:[ \t]*$\\)"
+  "*Regular expression to match field-name to be ignored when split sending."
+  :group 'mime-edit
+  :type 'regexp)
 
-(defvar mime-editor/signing-type 'pgp-elkins
-  "*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 'pgp-elkins
-  "*PGP encrypting type (pgp-elkins, pgp-kazu or nil). [mime-edit.el]")
+(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.")
@@ -468,6 +597,7 @@ If it is not specified for a major-mode,
 (defvar mime-tag-format-with-encoding "--[[%s][%s]]"
   "*Control-string making a MIME tag with encoding.")
 
+
 ;;; @@ multipart boundary
 ;;;
 
@@ -475,11 +605,60 @@ If it is not specified for a major-mode,
   "*Boundary of a multipart message.")
 
 
-;;; @@ buffer local variables
+;;; @@ optional header fields
 ;;;
 
-(defvar mime-edit-mode-old-local-map 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 (featurep 'xemacs)
+             (concat (if (featurep 'mule) "MULE")
+                     " XEmacs"
+                     (if (string-match "\\s +\\\"" emacs-version)
+                         (concat "/"
+                                 (substring emacs-version 0
+                                            (match-beginning 0))
+                                 " (" xemacs-codename ") ("
+                                 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
@@ -489,12 +668,16 @@ If it is not specified for a major-mode,
   "*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 (generated by " mime-editor/version-name ")")
+(defconst mime-edit-mime-version-value
+  (eval-when-compile
+    (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
+  (eval-when-compile
+    (concat "MIME-Version: 1.0 (split by " mime-edit-version ")\n"))
+  "MIME version field for message/partial.")
+
 
 ;;; @ keymap and menu
 ;;;
@@ -502,145 +685,141 @@ Tspecials means any character that matches with it in header must be quoted.")
 (defvar mime-edit-mode-flag nil)
 (make-variable-buffer-local 'mime-edit-mode-flag)
 
-(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 "7"    'mime-editor/set-transfer-level-7bit)
-    (define-key keymap "8"    'mime-editor/set-transfer-level-8bit)
-    (define-key keymap "/"    'mime-editor/set-split)
-    (define-key keymap "v"    'mime-editor/set-sign)
-    (define-key keymap "h"    'mime-editor/set-encrypt)
-    (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)
-
-(defun mime-editor/toggle-mode ()
-  (interactive)
-  (if mime-edit-mode-flag
-      (mime-editor/exit 'nomime)
-    (mime-edit-mode)
-    ))
-
-(cond (running-xemacs
-       (defconst mime-editor/minor-mime-map nil "Keymap for MIME commands.")
-       (or mime-editor/minor-mime-map
-          (progn
-            (setq mime-editor/minor-mime-map 
-                  (make-sparse-keymap 'mime-editor/minor-mime-map))
-            (define-key
-              mime-editor/minor-mime-map mime-prefix mime-editor/mime-map)
-            ))
-       (add-minor-mode 'mime-edit-mode-flag
-                      '((" MIME-Edit "  mime-editor/transfer-level-string))
-                      mime-editor/minor-mime-map
-                      nil
-                      'mime-editor/toggle-mode)
-       )
-      (t
-       (set-alist 'minor-mode-alist
-                 'mime-edit-mode-flag
-                 '((" MIME-Edit "  mime-editor/transfer-level-string))))
-      )
-
-(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-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     "About split"           mime-edit-set-split)
+    (sign      "About sign"            mime-edit-set-sign)
+    (encrypt   "About encryption"      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-edit-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-edit-mode ()
   "MIME minor mode for editing the tagged MIME message.
@@ -651,74 +830,72 @@ format. The message tag looks like:
        --[[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
+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.
-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
+Available charsets depend on Emacs version being used.  The following
 lists the available charsets of each emacs.
 
-EMACS 18:      US-ASCII is only available.
-NEmacs:                US-ASCII and ISO-2022-JP are available.
-EMACS 19:      US-ASCII and ISO-8859-1 (or other charset) are available.
-XEmacs 19:     US-ASCII and ISO-8859-1 (or other charset) are available.
-Mule:          US-ASCII, ISO-8859-* (except for ISO-8859-5), KOI8-R,
-               ISO-2022-JP, ISO-2022-JP-2, ISO-2022-KR, BIG5 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
-be used to represent multilingual text in intermixed manner. Any
+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.
 
-If you want to use non-ISO-8859-1 charset in EMACS 19 or XEmacs 19,
-please set variable `default-mime-charset'. This variable must be
-symbol of which name is a MIME charset.
+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 leading-char/charset and value is symbol of MIME
-charset. (leading-char is a term of MULE 1.* and 2.*. charset is a
-term of XEmacs/mule, mule merged EMACS and MULE 3.*) If name of
-coding-system is different as MIME charset, please set variable
-`mime-charset-coding-system-alist'. This variable must be alist of
+`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:
 
 \[make single part\]
-\\[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-key]     insert PGP public key.
-\\[mime-editor/insert-tag]     insert a new MIME tag.
+\\[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-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/enclose-quote-region]   enclose as verbose mode (to avoid to expand tags)
+\\[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-editor/set-transfer-level-7bit]        set transfer-level as 7.
-\\[mime-editor/set-transfer-level-8bit]        set transfer-level as 8.
-\\[mime-editor/set-split]      set message splitting mode.
-\\[mime-editor/set-sign]       set PGP-sign mode.
-\\[mime-editor/set-encrypt]    set PGP-encryption mode.
-\\[mime-editor/preview-message]        preview editing MIME message.
-\\[mime-editor/exit]   exit and translate into a MIME compliant message.
-\\[mime-editor/help]   show this help.
-\\[mime-editor/maybe-translate]        exit and translate if in MIME mode, then split.
+\\[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.
@@ -743,7 +920,7 @@ TABs at the beginning of the line are not a part of the message:
        --[[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
@@ -756,79 +933,95 @@ User customizable variables (not documented all of them):
     Hide a non-textual body message encoded in base64 after insertion
     if non-nil.
 
- mime-editor/transfer-level
+ 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-editor/voice-recorder
+ mime-edit-voice-recorder
     Specifies a function to record a voice message and encode it.
-    The function `mime-editor/voice-recorder-for-sun' is for Sun
+    The function `mime-edit-voice-recorder-for-sun' is for Sun
     SparcStations.
 
  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-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-edit-mode-flag t)
-    ;; Remember old key bindings.
-    (if running-xemacs
-       (use-local-map (or (current-local-map) (make-sparse-keymap)))
-      (make-local-variable 'mime-edit-mode-old-local-map)
-      (setq mime-edit-mode-old-local-map (current-local-map))
-      ;; Add MIME commands to current local map.
-      (use-local-map (copy-keymap (or (current-local-map)
-                                     (make-sparse-keymap))))
-      )
-    (if (not (lookup-key (current-local-map) mime-prefix))
-       (define-key (current-local-map) mime-prefix mime-editor/mime-map))
 
     ;; 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
-    
+
+    ;; 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-edit-mode-hook)
     (message
      (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-edit-mode)          ; for convenience
-(defalias 'mime-mode 'mime-edit-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."
@@ -839,29 +1032,27 @@ just return to previous mode."
        )
     (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-edit-mode-flag nil)
-    (cond (running-xemacs
-          (if (featurep 'menubar) 
-              (delete-menu-item (list mime-editor/menu-title))))
-         (t
-          (use-local-map mime-edit-mode-old-local-map)))
-    
+    (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*"
@@ -869,28 +1060,28 @@ just return to previous 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 `charsets-mime-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)
-  (let ((ret (mime-editor/insert-tag "text" nil nil)))
-  (if ret
-      (progn
-       (if (looking-at mime-editor/single-part-tag-regexp)
-           (progn
-             ;; Make a space between the following message.
-             (insert "\n")
-             (forward-char -1)
-             ))
-       (if (and (member (second ret) '("enriched" "richtext"))
-                (fboundp 'enriched-mode)
-                )
-           (enriched-mode t)
-         (if (boundp 'enriched-mode)
-             (enriched-mode nil)
-           ))))))
+  (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 &optional verbose)
+(defun mime-edit-insert-file (file &optional verbose)
   "Insert a message from a file."
   (interactive "fInsert file as MIME message: \nP")
   (let*  ((guess (mime-find-file-type file))
@@ -942,14 +1133,14 @@ Charset is automatically obtained from the `charsets-mime-charset-alist'."
                  )
                ))
          ))
-    (mime-editor/insert-tag type 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)
@@ -961,36 +1152,37 @@ Charset is automatically obtained from the `charsets-mime-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)
   (let ((encoding
         (completing-read
          "What transfer encoding: "
-         mime-file-encoding-method-alist nil t nil)))
-    (mime-editor/insert-tag "audio" "basic" nil)
-    (mime-editor/define-encoding 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-editor/voice-recorder encoding)
+         (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-file-name))
+           (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)
@@ -999,13 +1191,13 @@ Charset is automatically obtained from the `charsets-mime-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-editor/goto-tag)
-    (if (and (re-search-forward mime-editor/tag-regexp nil t)
+    (mime-edit-goto-tag)
+    (if (and (re-search-forward mime-edit-tag-regexp nil t)
             (< (match-beginning 0) p)
             (< p (match-end 0))
             )
@@ -1030,7 +1222,7 @@ 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")
@@ -1038,7 +1230,7 @@ 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
@@ -1056,7 +1248,7 @@ If nothing is inserted, return nil."
       )
     ))
 
-(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* ((tagend (1- (point)))         ;End of the tag
@@ -1080,36 +1272,36 @@ Optional argument ENCODING specifies an encoding method such as base64."
        (goto-char (point-max))
        ))
     (or hide-p
-       (looking-at mime-editor/tag-regexp)
+       (looking-at mime-edit-tag-regexp)
        (= (point)(point-max))
-       (mime-editor/insert-tag "text" "plain")
+       (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)
+         (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)
@@ -1117,12 +1309,12 @@ 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)
@@ -1139,56 +1331,55 @@ 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-editor/set-parameter
-            (mime-editor/get-contype tag)
+           (mime-edit-set-parameter
+            (mime-edit-get-contype tag)
             "charset" (upcase (symbol-name charset)))
-           (mime-editor/get-encoding tag)))
+           (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."
-  (detect-mime-charset-region (point) (mime-editor/content-end))
+  (detect-mime-charset-region (point) (mime-edit-content-end))
   )
 
 (defun mime-make-text-tag (&optional subtype)
@@ -1215,20 +1406,20 @@ 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))))
@@ -1246,7 +1437,7 @@ Nil if no such parameter."
     nil                                        ;No such parameter
     ))
 
-(defun mime-editor/set-parameter (contype parameter value)
+(defun mime-edit-set-parameter (contype parameter value)
   "For given CONTYPE set PARAMETER to VALUE."
   (let (ctype opt-fields)
     (if (string-match "\n[^ \t\n\r]+:" contype)
@@ -1393,13 +1584,13 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
     ))
 
 (defun mime-prompt-for-encoding (default)
-  "Ask for Content-Transfer-Encoding. [mime-edit.el]"
+  "Ask for Content-Transfer-Encoding."
   (let (encoding)
     (while (string=
            (setq encoding
                  (completing-read
                   "What transfer encoding: "
-                  mime-file-encoding-method-alist nil t default)
+                  (mime-encoding-alist) nil t default)
                  )
            ""))
     encoding))
@@ -1408,59 +1599,55 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
 ;;; @ Translate the tagged MIME messages into a MIME compliant message.
 ;;;
 
-(defvar mime-editor/translate-buffer-hook
-  '(mime-editor/pgp-enclose-buffer
-    mime-editor/translate-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-editor/translate-header ()
+(defun mime-edit-translate-header ()
   "Encode the message header into network representation."
-  (mime/encode-message-header 'code-conversion)
-  (run-hooks 'mime-editor/translate-header-hook)
+  (eword-encode-header '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
+  (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))
@@ -1472,36 +1659,33 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
          (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 "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
@@ -1511,54 +1695,53 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
                 ))
          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)))
          )))))
 
-(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))
+             (mime-edit-translate-region beg end boundary))
             (ctype    (car ret))
             (encoding (nth 1 ret))
-            (parts    (nth 3 ret))
-            (pgp-boundary (concat "pgp-sign-" boundary))
-            )
+            (pgp-boundary (concat "pgp-sign-" boundary)))
        (goto-char beg)
        (insert (format "Content-Type: %s\n" ctype))
        (if encoding
            (insert (format "Content-Transfer-Encoding: %s\n" encoding))
          )
        (insert "\n")
-       (or (funcall (pgp-function 'mime-sign)
-                    (point-min)(point-max) nil nil pgp-boundary)
-           (throw 'mime-editor/error 'pgp-error)
+       (or (as-binary-process
+            (funcall (pgp-function 'mime-sign)
+                     (point-min)(point-max) nil nil pgp-boundary))
+           (throw 'mime-edit-error 'pgp-error)
            )
        ))))
 
-(defvar mime-editor/encrypt-recipient-fields-list '("To" "cc"))
+(defvar mime-edit-encrypt-recipient-fields-list '("To" "cc"))
 
-(defun mime-editor/make-encrypt-recipient-header ()
-  (let* ((names mime-editor/encrypt-recipient-fields-list)
+(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))
@@ -1589,23 +1772,21 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
     (vector from recipients header)
     ))
 
-(defun mime-editor/encrypt-pgp-elkins (beg end boundary)
+(defun mime-edit-encrypt-pgp-mime (beg end boundary)
   (save-excursion
     (save-restriction
       (let (from recipients header)
-       (let ((ret (mime-editor/make-encrypt-recipient-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-editor/translate-region beg end boundary))
+               (mime-edit-translate-region beg end boundary))
               (ctype    (car ret))
               (encoding (nth 1 ret))
-              (parts    (nth 3 ret))
-              (pgp-boundary (concat "pgp-" boundary))
-              )
+              (pgp-boundary (concat "pgp-" boundary)))
          (goto-char beg)
          (insert header)
          (insert (format "Content-Type: %s\n" ctype))
@@ -1615,7 +1796,7 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
          (insert "\n")
          (or (funcall (pgp-function 'encrypt)
                       recipients (point-min) (point-max) from)
-             (throw 'mime-editor/error 'pgp-error)
+             (throw 'mime-edit-error 'pgp-error)
              )
          (goto-char beg)
          (insert (format "--[[multipart/encrypted;
@@ -1633,16 +1814,14 @@ Content-Transfer-Encoding: 7bit
          (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
@@ -1652,7 +1831,7 @@ Content-Transfer-Encoding: 7bit
        (or (as-binary-process
             (funcall (pgp-function 'traditional-sign)
                      beg (point-max)))
-           (throw 'mime-editor/error 'pgp-error)
+           (throw 'mime-edit-error 'pgp-error)
            )
        (goto-char beg)
        (insert
@@ -1660,22 +1839,19 @@ 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 recipients header)
-      (let ((ret (mime-editor/make-encrypt-recipient-header)))
-       (setq from (aref ret 0)
-             recipients (aref ret 1)
+    (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)
          (insert header)
          (insert (format "Content-Type: %s\n" ctype))
@@ -1687,7 +1863,7 @@ Content-Transfer-Encoding: 7bit
               (funcall (pgp-function 'encrypt)
                        recipients beg (point-max) nil 'maybe)
               )
-             (throw 'mime-editor/error 'pgp-error)
+             (throw 'mime-edit-error 'pgp-error)
              )
          (goto-char beg)
          (insert
@@ -1695,17 +1871,28 @@ Content-Transfer-Encoding: 7bit
          ))
       )))
 
-(defun mime-editor/translate-body ()
+(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))
        )
@@ -1726,17 +1913,22 @@ 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))
@@ -1754,31 +1946,33 @@ Content-Transfer-Encoding: 7bit
              (insert encoding)))
        ))))
 
-(defun mime-editor/translate-single-part-tag (&optional prefix)
-  (if (re-search-forward mime-editor/single-part-tag-regexp nil t)
+(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))
-            )
+            (tag (buffer-substring beg end)))
        (delete-region beg end)
-       (setq contype (mime-editor/get-contype tag))
-       (setq encoding (mime-editor/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-message-header)
-         )
-       t)))
+       (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"))
+           (eword-encode-header)
+           )
+         (cons (and contype
+                    (downcase contype))
+               (and encoding
+                    (downcase 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-region (beg end &optional boundary multipart)
+  (or boundary
+      (setq boundary (mime-edit-make-boundary))
+      )
   (save-excursion
     (save-restriction
       (narrow-to-region beg end)
@@ -1788,10 +1982,10 @@ 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
@@ -1799,57 +1993,60 @@ 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))
-         (and (mime-editor/translate-single-part-tag)
-              (while (mime-editor/translate-single-part-tag "\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))
+           (end (mime-edit-content-end))
            )
        (if (= end (point-max))
            nil
          (goto-char end)
-         (or (looking-at mime-editor/beginning-tag-regexp)
+         (or (looking-at mime-edit-beginning-tag-regexp)
              (eobp)
              (insert (mime-make-text-tag) "\n")
              ))
@@ -1865,21 +2062,19 @@ Content-Transfer-Encoding: 7bit
        ;; Define charset for text if necessary.
        (setq charset (if charset
                          (intern (downcase charset))
-                       (mime-editor/choose-charset)))
-       (mime-editor/define-charset charset)
-       (cond ((string-equal contype "text/x-rot13-47")
+                       (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))
                       )
                   ;; Patch for hard newlines
                    ;; (save-excursion
@@ -1899,30 +2094,59 @@ Content-Transfer-Encoding: 7bit
        ;; Define encoding and encode text if necessary.
        (or encoding    ;Encoding is not specified.
            (let* ((encoding
-                   (cdr
-                    (assq charset
-                          mime-editor/charset-default-encoding-alist)
-                    ))
-                  (beg (mime-editor/content-beginning))
-                  )
-             (encode-mime-charset-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)
+                     (replace-match "\\1\r\n"))))
+             (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)
        ))
       )))
@@ -1943,9 +2167,9 @@ Content-Transfer-Encoding: 7bit
 
 ;; Sun implementations
 
-(defun mime-editor/voice-recorder-for-sun (encoding)
+(defun mime-edit-voice-recorder-for-sun (encoding)
   "Record voice in a buffer using Sun audio device,
-and insert data encoded as ENCODING. [mime-edit.el]"
+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)
@@ -1957,29 +2181,29 @@ and insert data encoded as ENCODING. [mime-edit.el]"
 
 ;; 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))
@@ -1992,7 +2216,7 @@ and insert data encoded as ENCODING. [mime-edit.el]"
          )
        (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+ (std11-field-end)))
                    )
@@ -2004,67 +2228,72 @@ and insert data encoded as ENCODING. [mime-edit.el]"
 ;;; @ 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-edit-enclose-kazu-encrypted-region (beg end)
+  (interactive "*r")
+  (mime-edit-enclose-region-internal 'kazu-encrypted beg end)
+  )
 
-(defun mime-editor/insert-key (&optional arg)
+(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")
+  (mime-edit-insert-tag "application" "pgp-keys")
+  (mime-edit-define-encoding "7bit")
   (funcall (pgp-function 'insert-key))
   )
 
@@ -2072,94 +2301,85 @@ and insert data encoded as ENCODING. [mime-edit.el]"
 ;;; @ 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-editor/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-editor/set-transfer-level-7bit ()
+(defun mime-edit-set-transfer-level-7bit ()
   (interactive)
-  (mime-editor/toggle-transfer-level 7)
+  (mime-edit-toggle-transfer-level 7)
   )
 
-(defun mime-editor/set-transfer-level-8bit ()
+(defun mime-edit-set-transfer-level-8bit ()
   (interactive)
-  (mime-editor/toggle-transfer-level 8)
+  (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
+       (setq mime-edit-pgp-processing 'sign)
+       (message "This message will be signed.")
        )
-    (if (eq mime-editor/pgp-processing 'sign)
-       (setq mime-editor/pgp-processing nil)
+    (if (eq mime-edit-pgp-processing 'sign)
+       (setq mime-edit-pgp-processing nil)
       )
     (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
+       (setq mime-edit-pgp-processing 'encrypt)
+       (message "This message will be encrypt.")
        )
-    (if (eq mime-editor/pgp-processing 'encrypt)
-       (setq mime-editor/pgp-processing nil)
+    (if (eq mime-edit-pgp-processing 'encrypt)
+       (setq mime-edit-pgp-processing nil)
       )
     (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"))
@@ -2168,11 +2388,11 @@ Optional TRANSFER-LEVEL is a number of transfer-level, 7 or 8."
        (end (point-max))
        )
     (if beg
-       (cond ((eq mime-editor/pgp-processing 'sign)
-              (mime-editor/enclose-signed-region beg end)
+       (cond ((eq mime-edit-pgp-processing 'sign)
+              (mime-edit-enclose-pgp-signed-region beg end)
               )
-             ((eq mime-editor/pgp-processing 'encrypt)
-              (mime-editor/enclose-encrypted-region beg end)
+             ((eq mime-edit-pgp-processing 'encrypt)
+              (mime-edit-enclose-pgp-encrypted-region beg end)
               ))
       )))
 
@@ -2180,58 +2400,57 @@ Optional TRANSFER-LEVEL is a number of transfer-level, 7 or 8."
 ;;; @ 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-lines-alist))
-               mime-editor/message-default-max-lines))
+  (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 
+  (let* ((mime-edit-draft-file-name
          (or (buffer-file-name)
              (make-temp-name
-              (expand-file-name "mime-draft" mime/tmp-dir))))
+              (expand-file-name "mime-draft" temporary-file-directory))))
         (separator mail-header-separator)
         (id (concat "\""
                     (replace-space-with-underline (current-time-string))
                     "@" (system-name) "\"")))
-    (run-hooks 'mime-editor/before-split-hook)
+    (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-editor/split-ignored-field-regexp separator))
+                  mime-edit-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)
+         (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-editor/split-message-sender-alist))
+                     mime-edit-split-message-sender-alist))
               (function
                (lambda ()
                  (interactive)
                  (error "Split sender is not specified for `%s'." major-mode)
                  ))
               ))
-         (mime-editor/partial-number 1)
+         (mime-edit-partial-number 1)
          data)
       (save-excursion
        (set-buffer copy-buf)
@@ -2245,34 +2464,34 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
                (narrow-to-region (point-min) he)
                ))
          (goto-char (point-min))
-         (while (re-search-forward mime-editor/split-blind-field-regexp nil t)
+         (while (re-search-forward mime-edit-split-blind-field-regexp nil t)
            (delete-region (match-beginning 0)
                           (1+ (std11-field-end)))
            )))
-      (while (< mime-editor/partial-number total)
+      (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))
          )
-       (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-editor/partial-number total))
+                          mime-edit-partial-number total))
          (call-interactively command)
          (message (format "Sending %d/%d... done"
-                          mime-editor/partial-number total))
+                          mime-edit-partial-number total))
          )
-       (setq mime-editor/partial-number
-             (1+ mime-editor/partial-number))
+       (setq mime-edit-partial-number
+             (1+ mime-edit-partial-number))
        )
       (erase-buffer)
       (save-excursion
@@ -2280,36 +2499,38 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
        (setq data (buffer-string))
        (erase-buffer)
        )
-      (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-editor/partial-number total))
+                        mime-edit-partial-number total))
        (message (format "Sending %d/%d... done"
-                        mime-editor/partial-number total))
+                        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-lines-alist))
-            mime-editor/message-default-max-lines))
+  (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)
@@ -2327,260 +2548,225 @@ 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)
+
+    (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-view-mode)
+    (mime-view-buffer)
     ))
 
-(defun mime-editor/quitting-method ()
-  (let ((temp mime::preview/article-buffer)
+(defun mime-edit-quitting-method ()
+  "Quitting method for mime-view."
+  (let ((temp mime-raw-buffer)
        buf)
-    (mime-view-kill-buffer)
+    (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-view-quitting-method-alist
-          'mime/temporary-message-mode
-          (function mime-editor/quitting-method)
-          )
-
-
-;;; @ 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.")
+
+(defun mime-edit-decode-multipart-in-buffer (content-type not-decode-text)
+  (let* ((subtype (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)
+               (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-view-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)
+  (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))))))
     (save-excursion
-      (switch-to-buffer mother)
-      (goto-char (point-min))
-      (if (and
-          (re-search-forward
-           (concat "^\\("
-                   (regexp-quote mime::article/draft-header-separator)
-                   "\\)?$") nil t)
-          (bolp))
+      (if (re-search-forward
+          "^Content-Transfer-Encoding:" limit t)
+         (let ((beg (match-beginning 0))
+               (hbeg (match-end 0))
+               (end (std11-field-end)))
+           (setq encoding
+                 (downcase
+                  (eliminate-top-spaces
+                   (std11-unfold-string
+                    (buffer-substring hbeg end)))))
+           (if (or charset (eq type 'text))
+               (progn
+                 (delete-region beg (1+ end))
+                 (goto-char (point-min))
+                 (if (search-forward "\n\n" nil t)
+                     (progn
+                       (mime-decode-region
+                        (match-end 0)(point-max) encoding)
+                       (setq encoded t
+                             encoding nil)
+                       )))))))
+    (if (or encoded (not not-decode-text))
+       (decode-mime-charset-region (point-min)(point-max)
+                                   (or charset default-mime-charset))
+      )
+    (let ((he (if (re-search-forward "^$" 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-view-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-view-quitting-method-alist
-          'mh-letter-mode
-          (function mime-viewer::quitting-method/draft-preview)
-          )
-
-(set-alist 'mime-view-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= ctype "application/pgp-signature")
+            ((and (eq type 'application)
+                  (eq (mime-content-type-subtype ctl) 'pgp-signature))
              (delete-region (point-min)(point-max))
              )
-            ((string= type "multipart")
-             (let* ((boundary (assoc-value "boundary" params))
-                    (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" stype))
-                 (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" stype))
-                 (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)
-                           (mime-editor::edit-again code-conversion)
-                           (goto-char (point-max))
-                           ))))
-                   ))
-               (goto-char (point-min))
-               (or (= (point-min) 1)
-                   (delete-region (point-min)
-                                  (if (search-forward "\n\n" nil t)
-                                      (match-end 0)
-                                    (point-min)
-                                    )))
-               ))
+            ((eq type 'multipart)
+             (mime-edit-decode-multipart-in-buffer ctl not-decode-text)
+             )
             (t
-             (let* (charset
-                    (pstr
-                     (let ((bytes (+ 14 (length ctype))))
-                       (mapconcat (function
-                                   (lambda (attr)
-                                     (if (string-equal (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)
-                                           )
-                                         ))))
-                                  params "")))
-                    encoding
-                    encoded)
-               (save-excursion
-                 (if (re-search-forward
-                      "Content-Transfer-Encoding:" nil t)
-                     (let ((beg (match-beginning 0))
-                           (hbeg (match-end 0))
-                           (end (std11-field-end)))
-                       (setq encoding
-                             (eliminate-top-spaces
-                              (std11-unfold-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)
-                   (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 (= (point-min) 1)
-                     (progn
-                       (goto-char he)
-                       (insert
-                        (concat "\n"
-                                (mime-create-tag
-                                 (concat type "/" stype pstr) encoding)))
-                       )
-                   (delete-region (point-min) he)
-                   (insert
-                    (mime-create-tag
-                     (concat type "/" stype pstr) encoding))
-                   ))
-               ))))
-       (if code-conversion
+             (mime-edit-decode-single-part-in-buffer ctl not-decode-text)
+             )))
+       (or not-decode-text
            (decode-mime-charset-region (point-min) (point-max)
-                                       default-mime-charset)
-         )
-       ))))
+                                       default-mime-charset))
+       )
+      (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
-         (concat "^\\(" (regexp-quote mail-header-separator) "\\)?$")
-         nil t)
-        (match-end 0)
-       (point-max)
-       ))
-    (goto-char (point-min))
-    (while (re-search-forward
-           "^\\(Content-.*\\|Mime-Version\\):" nil t)
-      (delete-region (match-beginning 0) (1+ (std11-field-end)))
-      ))
+  (if (search-forward
+       (concat "\n" (regexp-quote mail-header-separator) "\n")
+       nil t)
+      (replace-match "\n\n")
+    )
+  (mime-edit-decode-message-in-buffer nil not-decode-text)
+  (goto-char (point-min))
   (or no-separator
       (and (re-search-forward "^$")
           (replace-match mail-header-separator)
           ))
-  (or no-mode
-      (mime-edit-mode)
+  (or not-turn-on
+      (turn-on-mime-edit)
       ))