tm 7.71.
[elisp/tm.git] / tm-edit.el
index 97a4a09..4bd613c 100644 (file)
@@ -8,7 +8,7 @@
 ;;;         MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;;; Created: 1994/08/21 renamed from mime.el
-;;; Version: $Revision: 7.42 $
+;;; Version: $Revision: 7.71 $
 ;;; Keywords: mail, news, MIME, multimedia, multilingual
 ;;;
 ;;; This file is part of tm (Tools for MIME).
 ;;;
 
 (defconst mime-editor/RCS-ID
-  "$Id: tm-edit.el,v 7.42 1996/02/02 17:20:00 morioka Exp $")
+  "$Id: tm-edit.el,v 7.71 1996/07/11 14:54:06 morioka Exp $")
 
 (defconst mime-editor/version (get-version-string mime-editor/RCS-ID))
 
+(defconst mime-editor/version-name
+  (concat "tm-edit " mime-editor/version))
+
 
 ;;; @ variables
 ;;;
 (defvar mime-prefix "\C-c\C-x"
   "*Keymap prefix for MIME commands.")
 
-(defvar mime-signature-file "~/.signature.rtf"
-  "*Signature file to be included as a part of a multipart message.")
-
 (defvar mime-ignore-preceding-spaces nil
   "*Ignore preceding white spaces if non-nil.")
 
@@ -149,18 +149,6 @@ 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-string-encoder
-  (cond ((boundp 'NEMACS)
-        (function mime-string-encoder-for-nemacs))
-       ((featurep 'mule)
-        (function mime-string-encoder-for-mule))
-       ((string-match "^19\\." emacs-version)
-        (function mime-string-encoder-for-emacs19))
-       (t                              ;ASCII only emacs
-        (function mime-string-encoder-for-emacs18)))
-  "*Function to encode a string for given encoding method.
-The method is a form of (CHARSET . ENCODING).")
-
 (defvar mime-voice-recorder
   (function mime-voice-recorder-for-sun)
   "*Function to record a voice message and return a buffer that contains it.")
@@ -170,8 +158,7 @@ The method is a form of (CHARSET . ENCODING).")
 
 (defvar mime-editor/translate-hook nil
   "*Hook called before translating into a MIME compliant message.
-To insert a signature file specified by mime-signature-file
-(`.signature.rtf' by default) automatically, call the function
+To insert a signature file automatically, call the function
 `mime-editor/insert-signature' from this hook.")
 
 (defvar mime-editor/exit-hook nil
@@ -350,6 +337,11 @@ To insert a signature file specified by mime-signature-file
      nil
      "attachment"      (("filename" . file))
      )
+    ("\\.patch$"
+     "application" "octet-stream" (("type" . "patch"))
+     nil
+     "attachment"      (("filename" . file))
+     )
     ("\\.signature"
      "text"    "plain"         nil     nil)
     (".*"
@@ -361,11 +353,40 @@ To insert a signature file specified by mime-signature-file
   "*Alist of file name, types, parameters, and default encoding.
 If encoding is nil, it is determined from its contents.")
 
+;;; @@ about charset, encoding and transfer-level
+;;;
+
+(defvar mime-editor/transfer-level 7
+  "*A number of network transfer level. It should be bigger than 7.")
+(make-variable-buffer-local 'mime-editor/transfer-level)
+
+(defvar mime-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))
+
+(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)
+
 ;;; @@ about message inserting
 ;;;
 
 (defvar mime-editor/yank-ignored-field-list
-  '("Received" "Sender" "Approved" "Path" "Status" "X-VM-.*" "X-UIDL")
+  '("Received" "Approved" "Path" "Replied" "Status" "X-VM-.*" "X-UIDL")
   "Delete these fields from original message when it is inserted
 as message/rfc822 part.
 Each elements are regexp of field-name. [tm-edit.el]")
@@ -396,19 +417,8 @@ Each elements are regexp of field-name. [tm-edit.el]")
 (defvar mime-editor/split-blind-field-regexp
   "\\(^[BDFbdf]cc:\\|^cc:[ \t]*$\\)")
 
-(defvar mime-editor/message-default-sender-alist
-  '((mail-mode . mail-send-and-exit)
-    (mh-letter-mode . mh-send-letter)
-    (news-reply-mode . gnus-inews-news)
-    ))
-
 (defvar mime-editor/split-message-sender-alist
-  '((mail-mode
-     . (lambda ()
-        (interactive)
-        (sendmail-send-it)
-        ))
-    (mh-letter-mode
+  '((mh-letter-mode
      . (lambda (&optional arg)
         (interactive "P")
         (write-region (point-min) (point-max)
@@ -431,22 +441,6 @@ Each elements are regexp of field-name. [tm-edit.el]")
         ))
     ))
 
-(defvar mime-editor/window-config-alist
-  '((mail-mode       . nil)
-    (mh-letter-mode  . mh-previous-window-config)
-    (news-reply-mode . (cond ((boundp 'gnus-winconf-post-news)
-                             (prog1
-                                 gnus-winconf-post-news
-                               (setq gnus-winconf-post-news nil)
-                               ))
-                            ((boundp 'gnus-prev-winconf)
-                             (prog1
-                                 gnus-prev-winconf
-                               (setq gnus-prev-winconf nil)
-                               ))
-                            ))
-    ))
-
 (defvar mime-editor/news-reply-mode-server-running nil)
 
 
@@ -468,12 +462,15 @@ Each elements are regexp of field-name. [tm-edit.el]")
 ;;;
 
 (defconst mime-editor/single-part-tag-regexp
-  "^--[[][[]\\([^]]*\\)]\\([[]\\([^]]*\\)]\\|\\)]"
+  "--[[][[]\\([^]]*\\)]\\([[]\\([^]]*\\)]\\|\\)]"
   "*Regexp of MIME tag in the form of [[CONTENT-TYPE][ENCODING]].")
 
-(defconst mime-editor/multipart-beginning-regexp "^--<<\\([^<>]+\\)>>-{\n")
+(defconst mime-editor/quoted-single-part-tag-regexp
+  (concat "- " (substring mime-editor/single-part-tag-regexp 1)))
+
+(defconst mime-editor/multipart-beginning-regexp "--<<\\([^<>]+\\)>>-{\n")
 
-(defconst mime-editor/multipart-end-regexp "^--}-<<\\([^<>]+\\)>>\n")
+(defconst mime-editor/multipart-end-regexp "--}-<<\\([^<>]+\\)>>\n")
 
 (defconst mime-editor/beginning-tag-regexp
   (regexp-or mime-editor/single-part-tag-regexp
@@ -517,9 +514,11 @@ Each elements are regexp of field-name. [tm-edit.el]")
 Tspecials means any character that matches with it in header must be quoted.")
 
 (defconst mime-editor/mime-version-value
-  (format "1.0 (generated by tm-edit %s)" mime-editor/version)
+  (concat "1.0 (generated by " mime-editor/version-name ")")
   "MIME version number.")
 
+(defconst mime-editor/mime-map (make-sparse-keymap)
+  "Keymap for MIME commands.")
 
 ;;; @ keymap and menu
 ;;;
@@ -527,8 +526,6 @@ Tspecials means any character that matches with it in header must be quoted.")
 (defvar mime/editor-mode-flag nil)
 (make-variable-buffer-local 'mime/editor-mode-flag)
 
-(set-alist 'minor-mode-alist 'mime/editor-mode-flag '(" MIME-Edit"))
-
 (defun mime-editor/define-keymap (keymap)
   "Add mime-editor commands to KEYMAP."
   (if (not (keymapp keymap))
@@ -549,11 +546,42 @@ Tspecials means any character that matches with it in header must be quoted.")
     (define-key keymap "d"    'mime-editor/enclose-digest-region)
     (define-key keymap "s"    'mime-editor/enclose-signed-region)
     (define-key keymap "e"    'mime-editor/enclose-encrypted-region)
+    (define-key keymap "q"    'mime-editor/enclose-quote-region)
     (define-key keymap "\C-p" 'mime-editor/preview-message)
     (define-key keymap "\C-z" 'mime-editor/exit)
     (define-key keymap "?"    'mime-editor/help)
     ))
 
+(mime-editor/define-keymap mime-editor/mime-map)
+
+(defun mime-editor/toggle-mode ()
+  (interactive)
+  (if mime/editor-mode-flag
+      (mime-editor/exit 'nomime)
+    (mime/editor-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/editor-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/editor-mode-flag
+                 '((" MIME-Edit "  mime-editor/transfer-level-string))))
+      )
+
 (defconst mime-editor/menu-title "MIME-Edit")
 
 (defconst mime-editor/menu-list
@@ -573,11 +601,13 @@ Tspecials means any character that matches with it in header must be quoted.")
     (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 menubar entry.")
 
@@ -596,7 +626,7 @@ Tspecials means any character that matches with it in header must be quoted.")
          (reverse mime-editor/menu-list)
          ))
 
-;;; modified by Pekka Marjola <pema@niksula.hut.fi>
+;;; 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."
@@ -615,8 +645,7 @@ Tspecials means any character that matches with it in header must be quoted.")
 
 ;;; modified by Steven L. Baur <steve@miranova.com>
 ;;;    1995/12/6 (c.f. [tm-en:209])
-(if (and (string-match "XEmacs\\|Lucid" emacs-version)
-        (not (boundp 'mime-editor/popup-menu-for-xemacs)))
+(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)
@@ -681,7 +710,7 @@ Following commands are available in addition to major mode commands:
 \\[mime-editor/insert-key]     insert PGP public key.
 \\[mime-editor/preview-message]        preview editing MIME message.
 \\[mime-editor/exit]   exit and translate into a MIME compliant message.
-\\[mime-editor/maybe-translate]        exit, translate and run the original command.
+\\[mime-editor/maybe-translate]        exit and translate if in MIME mode, then split.
 \\[mime-editor/help]   show this help.
 
 Additional commands are available in some major modes:
@@ -708,10 +737,6 @@ User customizable variables (not documented all of them):
  mime-prefix
     Specifies a key prefix for MIME minor mode commands.
 
- mime-signature-file
-    Specifies a signature file to be included as part of a multipart
-    message.
-
  mime-ignore-preceding-spaces
     Preceding white spaces in a message body are ignored if non-nil.
 
@@ -725,10 +750,6 @@ User customizable variables (not documented all of them):
     Hide a non-textual body message encoded in base64 after insertion
     if non-nil.
 
- mime-string-encoder
-    Specifies a function to encode a string for given encoding method.
-    The method is a form of (CHARSET . ENCODING).
-
  mime-voice-recorder
     Specifies a function to record a voice message and return a buffer
     that contains it.  The function mime-voice-recorder-for-sun is for
@@ -752,21 +773,27 @@ User customizable variables (not documented all of them):
       (error "You are already editing a MIME message.")
     (setq mime/editor-mode-flag t)
     ;; Remember old key bindings.
-    (make-local-variable 'mime/editor-mode-old-local-map)
-    (setq mime/editor-mode-old-local-map (current-local-map))
-    ;; Add MIME commands to current local map.
-    (use-local-map (copy-keymap (current-local-map)))
+    (if running-xemacs
+       nil
+      (make-local-variable 'mime/editor-mode-old-local-map)
+      (setq mime/editor-mode-old-local-map (current-local-map))
+      ;; Add MIME commands to current local map.
+      (use-local-map (copy-keymap (current-local-map)))
+      )
     (if (not (lookup-key (current-local-map) mime-prefix))
-       (define-key (current-local-map) mime-prefix (make-sparse-keymap)))
-    (mime-editor/define-keymap (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))
+    (force-mode-line-update)
     
     ;; Define menu.  Menus for other emacs implementations are
     ;; welcome.
-    ;; modified by Pekka Marjola <pema@niksula.hut.fi>
-    ;;         1995/9/5 (c.f. [tm-eng:69])
-    (cond ((string-match "XEmacs\\|Lucid" emacs-version)
+    (cond (running-xemacs
           (mime-editor/define-menu-for-xemacs))
-         ((string-match "^19\\." emacs-version)
+         ((>= emacs-major-version 19)
           (mime-editor/define-menu-for-emacs19)
           ))
     ;; end
@@ -807,18 +834,10 @@ just return to previous mode."
          (mime-editor/translate-buffer)))
     ;; Restore previous state.
     (setq mime/editor-mode-flag nil)
-    (use-local-map mime/editor-mode-old-local-map)
-    
-    ;; modified by Pekka Marjola <pema@niksula.hut.fi>
-    ;; 1995/9/5 (c.f. [tm-eng:69])
-    (if (string-match "XEmacs\\|Lucid" emacs-version)
-       (progn
-         (delete-menu-item (list mime-editor/menu-title))
-                                       ; should rather be const
-          ;; (while mime-editor/xemacs-old-bindings
-          ;;   (eval (pop mime-editor/xemacs-old-bindings)))
-         (local-unset-key mime-prefix)))
-    ;; end
+    (cond (running-xemacs
+          (delete-menu-item (list mime-editor/menu-title)))
+         (t
+          (use-local-map mime/editor-mode-old-local-map)))
     
     (setq selective-display mime/editor-mode-old-selective-display)
     (set-buffer-modified-p (buffer-modified-p))
@@ -945,32 +964,17 @@ Charset is automatically obtained from the `mime/lc-charset-alist'."
       )))
 
 (defun mime-editor/insert-signature (&optional arg)
-  "Insert a signature file specified by mime-signature-file."
+  "Insert a signature file."
   (interactive "P")
-  (let ((signature
-        (expand-file-name
-         (if arg
-             (read-file-name "Insert your signature: "
-                             (concat signature-file-name "-")
-                             signature-file-name
-                             nil)
-           (signature/get-signature-file-name))))
-       )
-    (if signature-insert-at-eof
-       (goto-char (point-max))
-      )
-    (apply (function mime-editor/insert-tag)
-          (mime-find-file-type signature))
-    (if (file-readable-p signature)
-       (progn
-         (goto-char (point-max))
-         (if (not (bolp))
-             (insert "\n"))
-         (delete-blank-lines)
-         (insert-file-contents signature)
-         (set-buffer-modified-p (buffer-modified-p))
-                                       ; force mode line update
-         ))))
+  (let ((signature-insert-hook
+         (function
+          (lambda ()
+            (apply (function mime-editor/insert-tag)
+                   (mime-find-file-type signature-file-name))
+            )))
+        )
+    (insert-signature arg)
+    ))
 
 \f
 ;; Insert a new tag around a point.
@@ -982,7 +986,7 @@ If nothing is inserted, return nil."
   (let ((oldtag nil)
        (newtag nil)
        (current (point))
-       exist-prev-tag exist-next-tag)
+       )
     (setq pritype
          (or pritype
              (mime-prompt-for-type)))
@@ -998,13 +1002,7 @@ If nothing is inserted, return nil."
     (setq oldtag
          (save-excursion
            (if (mime-editor/goto-tag)
-               (progn
-                 (if (eq current (match-beginning 0))
-                     (setq exist-next-tag t)
-                   (setq exist-prev-tag t)
-                   )
-                 (buffer-substring (match-beginning 0) (match-end 0))
-                 )
+               (buffer-substring (match-beginning 0) (match-end 0))
              ;; Assume content type is 'text/plan'.
              (mime-make-tag "text" "plain")
              )))
@@ -1013,15 +1011,6 @@ If nothing is inserted, return nil."
             (not (mime-test-content-type
                   (mime-editor/get-contype oldtag) "text")))
        (setq oldtag nil))
-    (cond (exist-prev-tag (insert "\n"))
-         (exist-next-tag (save-excursion
-                           (insert "\n")
-                           )))
-    (if (not (bolp))
-       (if exist-prev-tag
-           (forward-line 1)
-         (insert "\n")
-         ))
     ;; Make a new tag.
     (if (or (not oldtag)               ;Not text
            (or mime-ignore-same-text-tag
@@ -1092,11 +1081,13 @@ Optional argument ENCODING specifies an encoding method such as base64."
        (insert-buffer-substring buffer)
        ;; Encode binary message if necessary.
        (if encoding
-           (mime-encode-region encoding start (point-max))))
+           (mime-encode-region start (point-max) encoding)
+         ))
       (if hide-p
          (progn
-           (mime-flag-region (point-min) (1- (point-max)) ?\^M)
-           (goto-char (point-max)))
+           (invisible-region (point-min) (point-max))
+           (goto-char (point-max))
+           )
        ))
     ;; Define encoding even if it is 7bit.
     (if (stringp encoding)
@@ -1115,16 +1106,13 @@ Optional argument ENCODING specifies an encoding method such as base64."
        t
       ;; At first, go to the end.
       (cond ((re-search-forward mime-editor/beginning-tag-regexp nil t)
-            (goto-char (match-beginning 0)) ;For multiline tag
-            (forward-line -1)
-            (end-of-line)
+            (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)
-      (beginning-of-line)
       (or (looking-at mime-editor/beginning-tag-regexp)
          ;; Restore previous point.
          (progn
@@ -1158,20 +1146,17 @@ Optional argument ENCODING specifies an encoding method such as base64."
 (defun mime-editor/content-end ()
   "Return the point of the end of content."
   (save-excursion
-    (let ((beg (save-excursion
-                (beginning-of-line) (point))))
+    (let ((beg (point)))
       (if (mime-editor/goto-tag)
          (let ((top (point)))
            (goto-char (match-end 0))
-           (if (and (= beg top)        ;Must be on the same line.
-                    (= (following-char) ?\^M))
-               (progn
-                 (end-of-line)
-                 (point))
+           (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)))
+                 (goto-char (match-beginning 0))
+               )
              (point)
              ))
        ;; Assume the message begins with text/plain.
@@ -1189,10 +1174,12 @@ Optional argument ENCODING specifies an encoding method such as base64."
        (let ((tag (buffer-substring (match-beginning 0) (match-end 0))))
          (delete-region (match-beginning 0) (match-end 0))
          (insert
-          (mime-create-tag (mime-set-parameter
-                            (mime-editor/get-contype tag) "charset" charset)
-                           (mime-editor/get-encoding tag))))
-      )))
+          (mime-create-tag
+           (mime-editor/set-parameter
+            (mime-editor/get-contype tag)
+            "charset" (upcase (symbol-name charset)))
+           (mime-editor/get-encoding tag)))
+         ))))
 
 (defun mime-editor/define-encoding (encoding)
   "Set encoding of current tag to ENCODING."
@@ -1205,7 +1192,7 @@ Optional argument ENCODING specifies an encoding method such as base64."
 
 (defun mime-editor/choose-charset ()
   "Choose charset of a text following current point."
-  (mime/find-charset-region (point) (mime-editor/content-end))
+  (detect-mime-charset-region (point) (mime-editor/content-end))
   )
 
 (defun mime-make-text-tag (&optional subtype)
@@ -1263,19 +1250,27 @@ Nil if no such parameter."
     nil                                        ;No such parameter
     ))
 
-(defun mime-set-parameter (contype parameter value)
+(defun mime-editor/set-parameter (contype parameter value)
   "For given CONTYPE set PARAMETER to VALUE."
-  (if (string-match
-       (concat
-       ";[ \t\n]*\\("
-       (regexp-quote parameter)
-       "[ \t\n]*=[ \t\n]*\\([^\" \t\n;]*\\|\"[^\"]*\"\\)\\)[ \t\n]*\\(;\\|$\\)")
-       contype)
-      ;; Change value
-      (concat (substring contype 0 (match-beginning 1))
-             parameter "=" value
-             (substring contype (match-end 1)))
-    (concat contype "; " parameter "=" value)))
+  (let (ctype opt-fields)
+    (if (string-match "\n[^ \t\n\r]+:" contype)
+       (setq ctype (substring contype 0 (match-beginning 0))
+             opt-fields (substring contype (match-beginning 0)))
+      (setq ctype contype)
+      )
+    (if (string-match
+        (concat
+         ";[ \t\n]*\\("
+         (regexp-quote parameter)
+         "[ \t\n]*=[ \t\n]*\\([^\" \t\n;]*\\|\"[^\"]*\"\\)\\)[ \t\n]*\\(;\\|$\\)")
+        ctype)
+       ;; Change value
+       (concat (substring ctype 0 (match-beginning 1))
+               parameter "=" value
+               (substring contype (match-end 1))
+               opt-fields)
+      (concat ctype "; " parameter "=" value opt-fields)
+      )))
 
 (defun mime-strip-parameters (contype)
   "Return primary content-type and subtype without parameters for CONTYPE."
@@ -1398,30 +1393,6 @@ Parameter must be '(PROMPT CHOICE1 (CHOISE2 ...))."
          (mime-prompt-for-parameters-1 (cdr (assoc answer (cdr parameter)))))
     ))
 
-(defun mime-encode-string (encoding string)
-  "Using ENCODING encode a STRING.
-If the STRING is too long, the encoded string may be broken into
-several lines."
-  (save-excursion
-    (set-buffer (get-buffer-create " *MIME encoding*"))
-    (erase-buffer)
-    (insert string)
-    (mime-encode-region encoding (point-min) (point-max))
-    (prog1
-       (buffer-substring (point-min) (point-max))
-      (kill-buffer (current-buffer)))))
-
-(defun mime-decode-string (encoding string)
-  "Using ENCODING decode a STRING."
-  (save-excursion
-    (set-buffer (get-buffer-create " *MIME decoding*"))
-    (erase-buffer)
-    (insert string)
-    (mime-decode-region encoding (point-min) (point-max))
-    (prog1
-       (buffer-substring (point-min) (point-max))
-      (kill-buffer (current-buffer)))))
-
 (defun mime-flag-region (from to flag)
   "Hides or shows lines from FROM to TO, according to FLAG.
 If FLAG is `\\n' (newline character) then text is shown,
@@ -1438,14 +1409,17 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
 ;;; @ Translate the tagged MIME messages into a MIME compliant message.
 ;;;
 
+(defvar mime-editor/translate-buffer-hook
+  '(mime-editor/pgp-enclose-buffer
+    mime/encode-message-header
+    mime-editor/translate-body))
+
 (defun mime-editor/translate-buffer ()
   "Encode the tagged MIME message in current buffer in MIME compliant message."
   (interactive)
   (if (catch 'mime-editor/error
        (save-excursion
-         (mime-editor/pgp-enclose-buffer)
-         (mime/encode-message-header)
-         (mime-editor/translate-body)
+         (run-hooks 'mime-editor/translate-buffer-hook)
          ))
       (progn
        (undo)
@@ -1459,7 +1433,7 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
            (be (match-end 0))
            (type (buffer-substring (match-beginning 1)(match-end 1)))
            end-exp eb ee)
-       (setq end-exp (format "^--}-<<%s>>\n" type))
+       (setq end-exp (format "--}-<<%s>>\n" type))
        (widen)
        (if (re-search-forward end-exp nil t)
            (progn
@@ -1477,7 +1451,6 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
              (mime-editor/find-inmost)
              )
          (widen)
-         ;;(delete-region eb ee)
          (list type bb be eb)
          ))))
 
@@ -1499,26 +1472,27 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
                    (end (match-end 0))
                    )
                (delete-region beg end)
-               (if (and (not (looking-at mime-editor/single-part-tag-regexp))
-                        (not (eobp)))
+               (or (looking-at mime-editor/beginning-tag-regexp)
+                   (eobp)
                    (insert (concat (mime-make-text-tag) "\n"))
-                 )))
-         (cond ((string= type "signed")
+                   )))
+         (cond ((string-equal type "quote")
+                (mime-editor/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/process-pgp-kazu 'mc-sign
-                                                     bb eb boundary)
-                       )
-                      ))
-               ((string= type "encrypted")
-                (cond ((eq mime-editor/signing-type 'pgp-elkins)
+                       (mime-editor/sign-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/signing-type 'pgp-kazu)
-                       (mime-editor/process-pgp-kazu 'mc-encrypt
-                                                     bb eb boundary)
+                      ((eq mime-editor/encrypting-type 'pgp-kazu)
+                       (mime-editor/encrypt-pgp-kazu bb eb boundary)
                        )))
                (t
                 (setq boundary
@@ -1532,14 +1506,37 @@ while if FLAG is `\\^M' (control-M) the text is hidden."
                 ))
          boundary))))
 
+(defun mime-editor/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)
+       (let ((tag (buffer-substring (match-beginning 0)(match-end 0))))
+         (replace-match (concat "- " (substring tag 1)))
+         )))))
+
+(defun mime-editor/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)
+       (let ((tag (buffer-substring (match-beginning 0)(match-end 0))))
+         (replace-match (concat "-" (substring tag 2)))
+         )))))
+
+(autoload 'mc-pgp-lookup-key "mc-pgp")
+(autoload 'mc-pgp-sign-region "mc-pgp")
+(autoload 'mc-pgp-encrypt-region "mc-pgp")
+
 (defun tm:mc-pgp-generic-parser (result)
   (let ((ret (mc-pgp-generic-parser result)))
     (if (consp ret)
        (vector (car ret)(cdr ret))
       )))
 
-(autoload 'mc-pgp-lookup-key "mc-pgp")
-
 (defun tm:mc-process-region
   (beg end passwd program args parser &optional buffer boundary)
   (let ((obuf (current-buffer))
@@ -1679,36 +1676,52 @@ Content-Transfer-Encoding: 7bit
 (defun mime-editor/encrypt-pgp-elkins (beg end boundary)
   (save-excursion
     (save-restriction
-      (narrow-to-region beg end)
-      (let* ((ret
-             (mime-editor/translate-region beg end boundary))
-            (ctype    (car ret))
-            (encoding (nth 1 ret))
-            (parts    (nth 3 ret))
-            (pgp-boundary (concat "pgp-" boundary))
-            )
-       (goto-char beg)
-       (insert (format "Content-Type: %s\n" ctype))
-       (if encoding
-           (insert (format "Content-Transfer-Encoding: %s\n" encoding))
-         )
-       (insert "\n")
-       (if (null
-            (progn
-              (goto-char beg)
-              (insert "=\n")
-              (prog1
-                  (let ((mail-header-separator "="))
-                    (call-interactively 'mc-encrypt)
-                    )
-                (goto-char beg)
-                (and (search-forward "=\n")
-                     (replace-match ""))
-                )))
-           (throw 'mime-editor/error 'pgp-error)
-         )
-       (goto-char beg)
-       (insert (format "--[[multipart/encrypted;
+      (let ((from (rfc822/get-field-body "From"))
+           (to (rfc822/get-field-body "To"))
+           (cc (rfc822/get-field-body "cc"))
+           recipients)
+       (narrow-to-region beg end)
+       (let* ((ret
+               (mime-editor/translate-region beg end boundary))
+              (ctype    (car ret))
+              (encoding (nth 1 ret))
+              (parts    (nth 3 ret))
+              (pgp-boundary (concat "pgp-" boundary))
+              )
+         (goto-char beg)
+         (if (and (stringp from)
+                  (not (string-equal from "")))
+             (insert (format "From: %s\n" from))
+           )
+         (if (and (stringp to)
+                  (not (string-equal to "")))
+             (progn
+               (insert (format "To: %s\n" to))
+               (setq recipients to)
+               ))
+         (if (and (stringp cc)
+                  (not (string-equal cc "")))
+             (progn
+               (insert (format "cc: %s\n" cc))
+               (if recipients
+                   (setq recipients (concat recipients "," cc))
+                 (setq recipients cc)
+                 )))
+         (insert (format "Content-Type: %s\n" ctype))
+         (if encoding
+             (insert (format "Content-Transfer-Encoding: %s\n" encoding))
+           )
+         (insert "\n")
+         (if (null
+              (let ((mc-pgp-always-sign 'never))
+                (mc-pgp-encrypt-region
+                 (mc-split "\\([ \t\n]*,[ \t\n]*\\)+" recipients)
+                 (point-min) (point-max) from nil)
+                ))
+             (throw 'mime-editor/error 'pgp-error)
+           )
+         (goto-char beg)
+         (insert (format "--[[multipart/encrypted;
  boundary=\"%s\";
  protocol=\"application/pgp-encrypted\"][7bit]]
 --%s
@@ -1719,12 +1732,11 @@ Content-Type: application/octet-stream
 Content-Transfer-Encoding: 7bit
 
 " pgp-boundary pgp-boundary pgp-boundary))
-       (goto-char (point-max))
-       (insert (format "\n--%s--\n" pgp-boundary))
-       ))
-    ))
+         (goto-char (point-max))
+         (insert (format "\n--%s--\n" pgp-boundary))
+         )))))
 
-(defun mime-editor/process-pgp-kazu (type beg end boundary)
+(defun mime-editor/sign-pgp-kazu (beg end boundary)
   (save-excursion
     (save-restriction
       (narrow-to-region beg end)
@@ -1740,26 +1752,66 @@ Content-Transfer-Encoding: 7bit
            (insert (format "Content-Transfer-Encoding: %s\n" encoding))
          )
        (insert "\n")
-       (if (null
-            (progn
-              (goto-char beg)
-              (insert "=\n")
-              (prog1
-                  (let ((mail-header-separator "="))
-                    (call-interactively type)
-                    )
-                (goto-char beg)
-                (and (search-forward "=\n")
-                     (replace-match ""))
-                )))
+       (or (as-binary-process (mc-pgp-sign-region beg (point-max)))
            (throw 'mime-editor/error 'pgp-error)
-         )
+           )
        (goto-char beg)
        (insert
         "--[[application/pgp; format=mime][7bit]]\n")
        ))
     ))
 
+(defun mime-editor/encrypt-pgp-kazu (beg end boundary)
+  (save-excursion
+    (let ((from (rfc822/get-field-body "From"))
+         (to (rfc822/get-field-body "To"))
+         (cc (rfc822/get-field-body "cc"))
+         recipients)
+      (save-restriction
+       (narrow-to-region beg end)
+       (let* ((ret
+               (mime-editor/translate-region beg end boundary))
+              (ctype    (car ret))
+              (encoding (nth 1 ret))
+              (parts    (nth 3 ret))
+              )
+         (goto-char beg)
+         (if (and (stringp from)
+                  (not (string-equal from "")))
+             (insert (format "From: %s\n" from))
+           )
+         (if (and (stringp to)
+                  (not (string-equal to "")))
+             (progn
+               (insert (format "To: %s\n" to))
+               (setq recipients to)
+               ))
+         (if (and (stringp cc)
+                  (not (string-equal cc "")))
+             (progn
+               (insert (format "cc: %s\n" cc))
+               (if recipients
+                   (setq recipients (concat recipients "," cc))
+                 (setq recipients cc)
+                 )))
+         (insert (format "Content-Type: %s\n" ctype))
+         (if encoding
+             (insert (format "Content-Transfer-Encoding: %s\n" encoding))
+           )
+         (insert "\n")
+         (or (as-binary-process
+              (mc-pgp-encrypt-region
+               (mc-split "\\([ \t\n]*,[ \t\n]*\\)+" recipients)
+               beg (point-max))
+              )
+             (throw 'mime-editor/error 'pgp-error)
+             )
+         (goto-char beg)
+         (insert
+          "--[[application/pgp; format=mime][7bit]]\n")
+         ))
+      )))
+
 (defun mime-editor/translate-body ()
   "Encode the tagged MIME body in current buffer in MIME compliant message."
   (interactive)
@@ -1795,6 +1847,7 @@ Content-Transfer-Encoding: 7bit
                     beg end
                     (format "%s-%d" boundary i)))
          ))
+      (mime-editor/dequote-region (point-min)(point-max))
       (let ((contype (car ret))                ;Content-Type
            (encoding (nth 1 ret))      ;Content-Transfer-Encoding
            )
@@ -1818,6 +1871,25 @@ 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)
+      (let* ((beg (match-beginning 0))
+            (end (match-end 0))
+            (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)))
+
 (defun mime-editor/translate-region (beg end &optional boundary multipart)
   (if (null boundary)
       (setq boundary
@@ -1839,46 +1911,36 @@ Content-Transfer-Encoding: 7bit
        (while (re-search-forward mime-editor/single-part-tag-regexp nil t)
          (setq nparts (1+ nparts)))
        ;; Begin translation.
-       (cond ((and (<= nparts 1)(not multipart))
-              ;; It's a singular message.
-              (goto-char (point-min))
-              (while (re-search-forward
-                      mime-editor/single-part-tag-regexp nil t)
-                (setq tag
-                      (buffer-substring (match-beginning 0) (match-end 0)))
-                (delete-region (match-beginning 0) (1+ (match-end 0)))
-                (setq contype (mime-editor/get-contype tag))
-                (setq encoding (mime-editor/get-encoding tag))
-                ))
-             (t
-              ;; It's a multipart message.
-              (goto-char (point-min))
-              (while (re-search-forward
-                      mime-editor/single-part-tag-regexp nil t)
-                (setq tag
-                      (buffer-substring (match-beginning 0) (match-end 0)))
-                (delete-region (match-beginning 0) (match-end 0))
-                (setq contype (mime-editor/get-contype tag))
-                (setq encoding (mime-editor/get-encoding tag))
-                (insert "--" boundary "\n")
-                (insert "Content-Type: " contype "\n")
-                (if encoding
-                    (insert "Content-Transfer-Encoding: " encoding "\n"))
-                )
-              ;; Define Content-Type as "multipart/mixed".
-              (setq contype
-                    (concat "multipart/mixed;\n boundary=\"" boundary "\""))
-              ;; Content-Transfer-Encoding must be "7bit".
-              ;; The following encoding can be `nil', but is
-              ;; specified as is since there is no way that a user
-              ;; specifies it.
-              (setq encoding "7bit")
-              ;; Insert the trailer.
-              (goto-char (point-max))
-              (if multipart
-                  (insert "--" boundary "--\n")
-                (insert "\n--" boundary "--\n")
-                )))
+       (cond
+        ((and (<= nparts 1)(not multipart))
+         ;; It's a singular message.
+         (goto-char (point-min))
+         (while (re-search-forward
+                 mime-editor/single-part-tag-regexp nil t)
+           (setq tag
+                 (buffer-substring (match-beginning 0) (match-end 0)))
+           (delete-region (match-beginning 0) (1+ (match-end 0)))
+           (setq contype (mime-editor/get-contype tag))
+           (setq encoding (mime-editor/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)
        ))))
 
@@ -1898,74 +1960,78 @@ Content-Transfer-Encoding: 7bit
       ;; Remove extra whitespaces after the tag.
       (if (looking-at "[ \t]+$")
          (delete-region (match-beginning 0) (match-end 0)))
-      (cond ((= (following-char) ?\^M)
-            ;; It must be image, audio or video.
-            (let ((beg (point))
-                  (end (mime-editor/content-end)))
-              ;; Insert explicit MIME tags after hidden messages.
-              (forward-line 1)
-              (if (and (not (eobp))
-                       (not (looking-at mime-editor/single-part-tag-regexp)))
-                  (progn
-                    (insert (mime-make-text-tag) "\n")
-                    (forward-line -1)  ;Process it again as text.
-                    ))
-              ;; Show a hidden message.  The point is not altered
-              ;; after the conversion.
-              (mime-flag-region beg end ?\n)))
-           ((mime-test-content-type contype "message")
-            ;; Content-type "message" should be sent as is.
-            (forward-line 1))
-           ((mime-test-content-type contype "text")
-            ;; Define charset for text if necessary.
-            (setq charset (or charset (mime-editor/choose-charset)))
-            (mime-editor/define-charset charset)
-            (if (string-equal contype "text/x-rot13-47")
-                (save-excursion
-                  (forward-line)
-                  (set-mark (point))
-                  (goto-char (mime-editor/content-end))
-                  (tm:caesar-region)
-                  ))
-            ;; Point is now on current tag.
-            ;; Define encoding and encode text if necessary.
-            (if (null encoding)        ;Encoding is not specified.
-                (let* ((encoding
-                        (cdr
-                         (assoc charset mime/charset-default-encoding-alist)
-                         ))
-                       (beg (mime-editor/content-beginning))
-                       (end (mime-editor/content-end))
-                       (body (buffer-substring beg end))
-                       (encoded (funcall mime-string-encoder
-                                         (cons charset encoding) body)))
-                  (if (not (string-equal body encoded))
-                      (progn
-                        (goto-char beg)
-                        (delete-region beg end)
-                        (insert encoded)
-                        (goto-char beg)))
-                  (mime-editor/define-encoding encoding)))
-            (forward-line 1))
-           ((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))
-                   (encoded (funcall mime-string-encoder
-                                     (cons nil encoding) body)))
-              (if (not (string-equal body encoded))
-                  (progn
-                    (goto-char beg)
-                    (delete-region beg end)
-                    (insert encoded)
-                    (goto-char beg)))
-              (mime-editor/define-encoding encoding))
-            (forward-line 1))
+      (let ((beg (point))
+           (end (mime-editor/content-end))
+           )
+       (goto-char end)
+       (or (looking-at mime-editor/beginning-tag-regexp)
+           (eobp)
+           (insert (mime-make-text-tag) "\n")
            )
+       (visible-region beg end)
+       (goto-char beg)
+       )
+      (cond
+       ((mime-test-content-type contype "message")
+       ;; Content-type "message" should be sent as is.
+       (forward-line 1)
+       )
+       ((mime-test-content-type contype "text")
+       ;; 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")
+              (save-excursion
+                (forward-line)
+                (set-mark (point))
+                (goto-char (mime-editor/content-end))
+                (tm:caesar-region)
+                ))
+             ((string-equal contype "text/enriched")
+              (save-excursion
+                (let ((beg (progn
+                             (forward-line)
+                             (point)))
+                      (end (mime-editor/content-end))
+                      )
+                  (enriched-encode beg end)
+                  (goto-char beg)
+                  (if (search-forward "\n\n")
+                      (delete-region beg (match-end 0))
+                    )
+                  ))))
+       ;; Point is now on current tag.
+       ;; 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)
+                                         charset)
+             (mime-encode-region beg (mime-editor/content-end) encoding)
+             (mime-editor/define-encoding encoding)
+             ))
+       (goto-char (mime-editor/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))
+              )
+         (mime-encode-region beg end encoding)
+         (mime-editor/define-encoding encoding))
+       (forward-line 1)
+       ))
       )))
 
 (defun mime-delete-field (field)
@@ -1982,93 +2048,6 @@ Content-Transfer-Encoding: 7bit
 ;;; Platform dependent functions
 ;;;
 
-;; Emacs 18 implementations
-
-(defun mime-string-encoder-for-emacs18 (method string)
-  "For given METHOD that is a cons of charset and encoding, encode a STRING."
-  (let ((charset (car method))
-       (encoding (cdr method)))
-    (cond ((stringp encoding)
-          (mime-encode-string encoding string))
-         ;; Return string without any encoding.
-         (t string)
-         )))
-
-\f
-;; Emacs 19 implementations
-
-(defun mime-string-encoder-for-emacs19 (method string)
-  "For given METHOD that is a cons of charset and encoding, encode a STRING."
-  (let ((charset (car method))
-       (encoding (cdr method)))
-    (cond ((stringp encoding)
-          (mime-encode-string encoding string))
-         ;; Return string without any encoding.
-         (t string)
-         )))
-
-\f
-;; NEmacs implementations
-
-(defun mime-string-encoder-for-nemacs (method string)
-  "For given METHOD that is a cons of charset and encoding, encode a STRING.
-US-ASCII and ISO-2022-JP are supported on NEmacs."
-  (let ((charset (car method))
-       (encoding (cdr method)))
-    (cond ((stringp encoding)
-          (mime-encode-string encoding
-                              ;; Convert internal (EUC) to JIS code.
-                              (convert-string-kanji-code string 3 2)
-                              ))
-         ;; NEmacs can convert into ISO-2022-JP automatically,
-         ;; but can do it myself as follows:
-         ;;(t (convert-string-kanji-code string 3 2))
-
-         ;; Return string without any encoding.
-         (t string)
-         )))
-
-\f
-;; Mule implementations
-;; Thanks to contributions by wkenji@flab.fujitsu.co.jp (Kenji
-;; WAKAMIYA) and handa@etl.go.jp (Kenichi Handa).
-
-(defun mime-string-encoder-for-mule (method string)
-  "For given METHOD that is a cons of charset and encoding, encode a
-STRING.  US-ASCII, ISO-8859-* (except for ISO-8859-6), ISO-2022-JP,
-ISO-2022-JP-2 and ISO-2022-INT-1 are supported on Mule.  Either of
-charset ISO-2022-JP-2 or ISO-2022-INT-1 is used for multilingual
-text."
-  (let* ((charset (car method))
-        (encoding (cdr method))
-        (coding-system
-         (cdr (assoc (and (stringp charset) (upcase charset))
-                     '(("ISO-8859-1" . *ctext*)
-                       ("ISO-8859-2" . *iso-8859-2*)
-                       ("ISO-8859-3" . *iso-8859-3*)
-                       ("ISO-8859-4" . *iso-8859-4*)
-                       ("ISO-8859-5" . *iso-8859-5*)
-                       ;;("ISO-8859-6" . *iso-8859-6*)
-                       ("ISO-8859-7" . *iso-8859-7*)
-                       ("ISO-8859-8" . *iso-8859-8*)
-                       ("ISO-8859-9" . *iso-8859-9*)
-                       ("ISO-2022-JP" . *junet*)
-                       ("ISO-2022-JP-2" . *iso-2022-ss2-7*)
-                       ("ISO-2022-KR" . *korean-mail*)
-                       ("ISO-2022-INT-1" . *iso-2022-int-1*)
-                       )))))
-    ;; In bilingual environment it may be unnecessary to convert the
-    ;; coding system of the string unless transfer encoding is
-    ;; required since such conversion may be performed by mule
-    ;; automatically.
-    (if (not (null coding-system))
-       (setq string (code-convert-string string *internal* coding-system)))
-    (if (stringp encoding)
-       (setq string (mime-encode-string encoding string)))
-    string
-    ))
-
-\f
 ;; Sun implementations
 
 (defun mime-voice-recorder-for-sun ()
@@ -2168,30 +2147,25 @@ a recording host instead of local host."
 (defun mime-editor/enclose-region (type beg end)
   (save-excursion
     (goto-char beg)
-    (let ((current (point))
-         exist-prev-tag)
-      (save-excursion
-       (if (mime-editor/goto-tag)
-           (or (eq current (match-beginning 0))
-               (setq exist-prev-tag t)
-               )))
+    (let ((current (point)))
       (save-restriction
        (narrow-to-region beg end)
-       (goto-char beg)
-        (if exist-prev-tag
-           (insert "\n")
-         )
        (insert (format "--<<%s>>-{\n" type))
        (goto-char (point-max))
-       (insert (format "\n--}-<<%s>>\n" type))
+       (insert (format "--}-<<%s>>\n" type))
        (goto-char (point-max))
        )
-      (if (and (not (looking-at mime-editor/single-part-tag-regexp))
-              (not (eobp)))
+      (or (looking-at mime-editor/beginning-tag-regexp)
+         (eobp)
          (insert (mime-make-text-tag) "\n")
-       )
+         )
       )))
 
+(defun mime-editor/enclose-quote-region (beg end)
+  (interactive "*r")
+  (mime-editor/enclose-region "quote" beg end)
+  )
+
 (defun mime-editor/enclose-mixed-region (beg end)
   (interactive "*r")
   (mime-editor/enclose-region "mixed" beg end)
@@ -2249,6 +2223,27 @@ a recording host instead of local host."
     (message "This message is not enabled to split.")
     ))
 
+(defun mime-editor/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-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))
+  (force-mode-line-update)
+  )
+
 
 ;;; @ pgp
 ;;;
@@ -2319,8 +2314,8 @@ a recording host instead of local host."
   (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 tm-edit %s)\n"
-                 mime-editor/version))
+  (insert (format "Mime-Version: 1.0 (split by %s)\n"
+                 mime-editor/version-name))
   (insert (format "\
 Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
                  id number total separator))
@@ -2343,92 +2338,46 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
              (make-temp-name
               (expand-file-name "tm-draft" mime/tmp-dir))))
         (separator mail-header-separator)
-        (config
-         (eval (cdr (assq major-mode mime-editor/window-config-alist))))
         (id (concat "\""
                     (replace-space-with-underline (current-time-string))
                     "@" (system-name) "\"")))
     (run-hooks 'mime-editor/before-split-hook)
-    (let* ((header (rfc822/get-header-string-except
-                   mime-editor/split-ignored-field-regexp separator))
-          (subject (mail-fetch-field "subject"))
-          (total (+ (/ lines mime-editor/message-max-length)
-                    (if (> (mod lines mime-editor/message-max-length) 0)
-                        1)))
-          (the-buf (current-buffer))
-          (buf (get-buffer "*tmp-send*"))
-          (command
-           (or cmd
-               (cdr
-                (assq major-mode
-                      mime-editor/split-message-sender-alist))
-               (cdr
-                (assq major-mode
-                      mime-editor/message-default-sender-alist))
-               ))
-          data)
-      (goto-char (point-min))
-      (if (re-search-forward (concat "^" (regexp-quote separator) "$")
-                            nil t)
-         (replace-match "")
-       )
-      (if buf
-         (progn
-           (switch-to-buffer buf)
-           (erase-buffer)
-           (switch-to-buffer the-buf)
-           )
-       (setq buf (get-buffer-create "*tmp-send*"))
-       )
-      (switch-to-buffer buf)
-      (make-local-variable 'mail-header-separator)
-      (setq mail-header-separator separator)
-      (switch-to-buffer the-buf)
-      (goto-char (point-min))
-      (re-search-forward "^$" nil t)
-      (let ((mime-editor/partial-number 1))
-       (setq data (buffer-substring
-                   (point-min)
-                   (progn
-                     (goto-line mime-editor/message-max-length)
-                     (point))
-                   ))
-       (delete-region (point-min)(point))
-       (switch-to-buffer buf)
-       (mime-editor/insert-partial-header
-        header subject id mime-editor/partial-number total separator)
-       (insert data)
-       (save-excursion
-         (save-restriction
-           (goto-char (point-min))
-           (search-forward (concat "\n" mail-header-separator "\n"))
-           (narrow-to-region
-            (match-end 0)
-            (if (re-search-forward "^$" nil t)
-                (match-beginning 0)
-              (point-max)
+    (let ((the-buf (current-buffer))
+         (copy-buf (get-buffer-create " *Original Message*"))
+         (header (rfc822/get-header-string-except
+                  mime-editor/split-ignored-field-regexp separator))
+         (subject (mail-fetch-field "subject"))
+         (total (+ (/ lines mime-editor/message-max-length)
+                   (if (> (mod lines mime-editor/message-max-length) 0)
+                       1)))
+         (command
+          (or cmd
+              (cdr
+               (assq major-mode
+                     mime-editor/split-message-sender-alist))
               ))
-           (goto-char (point-min))
-           (while (re-search-forward
-                   mime-editor/split-blind-field-regexp nil t)
-             (delete-region (match-beginning 0)
-                            (let ((e (rfc822/field-end)))
-                              (if (< e (point-max))
-                                  (1+ e)
-                                e)))
-             )
-           ))
-       (save-excursion
-         (message (format "Sending %d/%d..."
-                          mime-editor/partial-number total))
-         (call-interactively command)
-         (message (format "Sending %d/%d... done"
-                          mime-editor/partial-number total))
-         )
+         (mime-editor/partial-number 1)
+         data)
+      (save-excursion
+       (set-buffer copy-buf)
+       (erase-buffer)
+       (insert-buffer the-buf)
+       (save-restriction
+         (if (re-search-forward
+              (concat "^" (regexp-quote separator) "$") nil t)
+             (let ((he (match-beginning 0)))
+               (replace-match "")
+               (narrow-to-region (point-min) he)
+               ))
+         (goto-char (point-min))
+         (while (re-search-forward mime-editor/split-blind-field-regexp nil t)
+           (delete-region (match-beginning 0)
+                          (1+ (rfc822/field-end)))
+           )))
+      (while (< mime-editor/partial-number total)
        (erase-buffer)
-       (switch-to-buffer the-buf)
-       (setq mime-editor/partial-number 2)
-       (while (< mime-editor/partial-number total)
+       (save-excursion
+         (set-buffer copy-buf)
          (setq data (buffer-substring
                      (point-min)
                      (progn
@@ -2436,28 +2385,36 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
                        (point))
                      ))
          (delete-region (point-min)(point))
-         (switch-to-buffer buf)
-         (mime-editor/insert-partial-header
-          header subject id mime-editor/partial-number total separator)
-         (insert data)
-         (save-excursion
-           (message (format "Sending %d/%d..."
-                            mime-editor/partial-number total))
-           (call-interactively command)
-           (message (format "Sending %d/%d... done"
-                            mime-editor/partial-number total))
-           )
-         (erase-buffer)
-         (switch-to-buffer the-buf)
-         (setq mime-editor/partial-number
-               (1+ mime-editor/partial-number))
          )
-       (goto-char (point-min))
        (mime-editor/insert-partial-header
         header subject id mime-editor/partial-number total separator)
+       (insert data)
+       (save-excursion
+         (message (format "Sending %d/%d..."
+                          mime-editor/partial-number total))
+         (call-interactively command)
+         (message (format "Sending %d/%d... done"
+                          mime-editor/partial-number total))
+         )
+       (setq mime-editor/partial-number
+             (1+ mime-editor/partial-number))
+       )
+      (erase-buffer)
+      (save-excursion
+       (set-buffer copy-buf)
+       (setq data (buffer-string))
+       (erase-buffer)
+       )
+      (mime-editor/insert-partial-header
+       header subject id mime-editor/partial-number total separator)
+      (insert data)
+      (save-excursion
        (message (format "Sending %d/%d..."
                         mime-editor/partial-number total))
-       ))))
+       (message (format "Sending %d/%d... done"
+                        mime-editor/partial-number total))
+       )
+      )))
 
 (defun mime-editor/maybe-split-and-send (&optional cmd)
   (interactive)
@@ -2584,17 +2541,162 @@ Content-Type: message/partial; id=%s; number=%d; total=%d\n%s\n"
           )
 
 
-;;; @ etc
+;;; @ edit again
 ;;;
 
-(defun replace-space-with-underline (str)
-  (mapconcat (function
-             (lambda (arg)
-               (char-to-string
-                (if (= arg 32)
-                    ?_
-                  arg)))) str "")
-  )
+(defun mime-editor::edit-again (code-conversion)
+  (save-excursion
+    (goto-char (point-min))
+    (let ((ctl (mime/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)
+             )
+           (cond
+            ((string-equal 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)
+                                    )))
+               ))
+            (t
+             (let* (charset
+                    (pstr
+                     (mapconcat (function
+                                 (lambda (attr)
+                                   (if (string-equal (car attr)
+                                                     "charset")
+                                       (progn
+                                         (setq charset (cdr attr))
+                                         "")
+                                     (concat ";" (car attr)
+                                             "=" (cdr attr))
+                                     )
+                                   ))
+                                params ""))
+                    encoding
+                    encoded)
+               (save-excursion
+                 (if (re-search-forward
+                      "Content-Transfer-Encoding:" nil t)
+                     (let ((beg (match-beginning 0))
+                           (hbeg (match-end 0))
+                           (end (rfc822/field-end)))
+                       (setq encoding
+                             (eliminate-top-spaces
+                              (rfc822/unfolding-string
+                               (buffer-substring hbeg end))))
+                       (if (or charset (string-equal type "text"))
+                           (progn
+                             (delete-region beg (1+ end))
+                             (goto-char (point-min))
+                             (if (search-forward "\n\n" nil t)
+                                 (progn
+                                   (mime-decode-region
+                                    (match-end 0)(point-max) encoding)
+                                   (setq encoded t
+                                         encoding nil)
+                                   )))))))
+               (if (or code-conversion encoded)
+                   (if charset
+                       (mime-charset-decode-region (point-min)(point-max)
+                                                   charset)
+                     (character-decode-region (point-min)(point-max)
+                                              mime/default-coding-system)
+                     ))
+               (let ((he
+                      (if (re-search-forward "^$" nil t)
+                          (match-end 0)
+                        (point-min)
+                        )))
+                 (if (= (point-min) 1)
+                     (progn
+                       (goto-char he)
+                       (insert
+                        (concat "\n"
+                                (mime-create-tag
+                                 (concat type "/" stype pstr) encoding)))
+                       )
+                   (delete-region (point-min) he)
+                   (insert
+                    (mime-create-tag
+                     (concat type "/" stype pstr) encoding))
+                   ))
+               ))))
+       (if code-conversion
+           (character-decode-region (point-min) (point-max)
+                                    mime/default-coding-system)
+         )
+       ))))
+
+(defun mime/edit-again (&optional code-conversion no-separator no-mode)
+  (interactive)
+  (mime-editor::edit-again code-conversion)
+  (goto-char (point-min))
+  (save-restriction
+    (narrow-to-region
+     (point-min)
+     (if (re-search-forward
+         (concat "^\\(" (regexp-quote mail-header-separator) "\\)?$")
+         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+ (rfc822/field-end)))
+      ))
+  (or no-separator
+      (and (re-search-forward "^$")
+          (replace-match mail-header-separator)
+          ))
+  (or no-mode
+      (mime/editor-mode)
+      ))
 
 
 ;;; @ end