;;; mml.el --- A package for parsing and validating MML documents
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(autoload 'gnus-make-local-hook "gnus-util")
(autoload 'message-fetch-field "message")
(autoload 'message-mark-active-p "message")
+ (autoload 'message-info "message")
(autoload 'fill-flowed-encode "flow-fill")
(autoload 'message-posting-charset "message")
- (autoload 'x-dnd-get-local-file-name "x-dnd"))
+ (autoload 'dnd-get-local-file-name "dnd"))
+
+(defvar gnus-article-mime-handles)
+(defvar gnus-mouse-2)
+(defvar gnus-newsrc-hashtb)
+(defvar message-default-charset)
+(defvar message-deletable-headers)
+(defvar message-options)
+(defvar message-posting-charset)
+(defvar message-required-mail-headers)
+(defvar message-required-news-headers)
+(defvar dnd-protocol-alist)
(defcustom mml-content-type-parameters
'(name access-type expiration size permission format)
"*A list of acceptable parameters in MML tag.
These parameters are generated in Content-Type header if exists."
+ :version "22.1"
:type '(repeat (symbol :tag "Parameter"))
:group 'message)
'(filename creation-date modification-date read-date)
"*A list of acceptable parameters in MML tag.
These parameters are generated in Content-Disposition header if exists."
+ :version "22.1"
:type '(repeat (symbol :tag "Parameter"))
:group 'message)
(defcustom mml-insert-mime-headers-always nil
"If non-nil, always put Content-Type: text/plain at top of empty parts.
It is necessary to work against a bug in certain clients."
+ :version "22.1"
:type 'boolean
:group 'message)
with unknown encoding; `multipart': always send messages with more than
one charsets.")
-(defvar mml-generate-default-type "text/plain")
+(defvar mml-generate-default-type "text/plain"
+ "Content type by which the Content-Type header can be omitted.
+The Content-Type header will not be put in the MIME part if the type
+equals the value and there's no parameter (e.g. charset, format, etc.)
+and `mml-insert-mime-headers-always' is nil. The value will be bound
+to \"message/rfc822\" when encoding an article to be forwarded as a MIME
+part. This is for the internal use, you should never modify the value.")
(defvar mml-buffer-list nil)
;; included in the message
(let* (secure-mode
(taginfo (mml-read-tag))
+ (keyfile (cdr (assq 'keyfile taginfo)))
+ (certfile (cdr (assq 'certfile taginfo)))
(recipients (cdr (assq 'recipients taginfo)))
(sender (cdr (assq 'sender taginfo)))
(location (cdr (assq 'tag-location taginfo)))
(setq tags (list "sign" method "encrypt" method))))
(eval `(mml-insert-tag ,secure-mode
,@tags
+ ,(if keyfile "keyfile")
+ ,keyfile
+ ,(if certfile "certfile")
+ ,certfile
,(if recipients "recipients")
,recipients
,(if sender "sender")
(mml-tweak-part cont)
(cond
((or (eq (car cont) 'part) (eq (car cont) 'mml))
- (let ((raw (cdr (assq 'raw cont)))
- coded encoding charset filename type flowed)
- (setq type (or (cdr (assq 'type cont)) "text/plain"))
+ (let* ((raw (cdr (assq 'raw cont)))
+ (filename (cdr (assq 'filename cont)))
+ (type (or (cdr (assq 'type cont))
+ (if filename
+ (or (mm-default-file-encoding filename)
+ "application/octet-stream")
+ "text/plain")))
+ (charset (cdr (assq 'charset cont)))
+ (coding (mm-charset-to-coding-system charset))
+ encoding flowed coded)
+ (cond ((eq coding 'ascii)
+ (setq charset nil
+ coding nil))
+ (charset
+ (setq charset (intern (downcase charset)))))
(if (and (not raw)
(member (car (split-string type "/")) '("text" "message")))
(progn
(with-temp-buffer
- (setq charset (mm-charset-to-coding-system
- (cdr (assq 'charset cont))))
- (when (eq charset 'ascii)
- (setq charset nil))
(cond
((cdr (assq 'buffer cont))
(insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
+ ((and filename
(not (equal (cdr (assq 'nofile cont)) "yes")))
- (let ((coding-system-for-read charset))
+ (let ((coding-system-for-read coding))
(mm-insert-file-contents filename)))
((eq 'mml (car cont))
(insert (cdr (assq 'contents cont))))
(cond
((eq (car cont) 'mml)
(let ((mml-boundary (mml-compute-boundary cont))
+ ;; It is necessary for the case where this
+ ;; function is called recursively since
+ ;; `m-g-d-t' will be bound to "message/rfc822"
+ ;; when encoding an article to be forwarded.
(mml-generate-default-type "text/plain"))
(mml-to-mime))
(let ((mm-7bit-chars (concat mm-7bit-chars "\x1b")))
(mm-with-unibyte-buffer
(cond
((cdr (assq 'buffer cont))
- (insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
+ (insert (with-current-buffer (cdr (assq 'buffer cont))
+ (mm-with-unibyte-current-buffer
+ (buffer-string)))))
+ ((and filename
(not (equal (cdr (assq 'nofile cont)) "yes")))
(let ((coding-system-for-read mm-binary-coding-system))
- (mm-insert-file-contents filename nil nil nil nil t)))
+ (mm-insert-file-contents filename nil nil nil nil t))
+ (unless charset
+ (setq charset (mm-coding-system-to-mime-charset
+ (mm-find-buffer-file-coding-system
+ filename)))))
(t
- (insert (cdr (assq 'contents cont)))))
+ (let ((contents (cdr (assq 'contents cont))))
+ (if (if (featurep 'xemacs)
+ (string-match "[^\000-\377]" contents)
+ (mm-multibyte-string-p contents))
+ (progn
+ (mm-enable-multibyte)
+ (insert contents)
+ (setq charset (mm-encode-body charset)))
+ (insert contents)))))
(setq encoding (mm-encode-buffer type)
coded (mm-string-as-multibyte (buffer-string))))
(mml-insert-mime-headers cont type charset encoding nil)
"access-type=url"))
(when parameters
(mml-insert-parameter-string
- cont '(expiration size permission))))
- (insert "\n\n")
- (insert "Content-Type: " (cdr (assq 'type cont)) "\n")
- (insert "Content-ID: " (message-make-message-id) "\n")
- (insert "Content-Transfer-Encoding: "
- (or (cdr (assq 'encoding cont)) "binary"))
- (insert "\n\n")
- (insert (or (cdr (assq 'contents cont))))
- (insert "\n"))
+ cont '(expiration size permission)))
+ (insert "\n\n")
+ (insert "Content-Type: "
+ (or (cdr (assq 'type cont))
+ (if name
+ (or (mm-default-file-encoding name)
+ "application/octet-stream")
+ "text/plain"))
+ "\n")
+ (insert "Content-ID: " (message-make-message-id) "\n")
+ (insert "Content-Transfer-Encoding: "
+ (or (cdr (assq 'encoding cont)) "binary"))
+ (insert "\n\n")
+ (insert (or (cdr (assq 'contents cont))))
+ (insert "\n")))
((eq (car cont) 'multipart)
(let* ((type (or (cdr (assq 'type cont)) "mixed"))
(mml-generate-default-type (if (equal type "digest")
;; Skip `multipart' and attributes.
(when (and (consp part) (consp (cdr part)))
(insert "\n--" mml-boundary "\n")
- (mml-generate-mime-1 part))))
+ (mml-generate-mime-1 part)
+ (goto-char (point-max)))))
(insert "\n--" mml-boundary "--\n")))))
(t
(error "Invalid element: %S" cont)))
"Can't encode a part with several charsets"))
(insert "Content-Type: " type)
(when charset
- (insert "; " (mail-header-encode-parameter
- "charset" (symbol-name charset))))
+ (mml-insert-parameter
+ (mail-header-encode-parameter "charset" (symbol-name charset))))
(when flowed
- (insert "; format=flowed"))
+ (mml-insert-parameter "format=flowed"))
(when parameters
(mml-insert-parameter-string
cont mml-content-type-parameters))
(unless (eq encoding '7bit)
(insert (format "Content-Transfer-Encoding: %s\n" encoding)))
(when (setq description (cdr (assq 'description cont)))
- (insert "Content-Description: "
- (mail-encode-encoded-word-string description) "\n"))))
+ (insert "Content-Description: ")
+ (setq description (prog1
+ (point)
+ (insert description "\n")))
+ (mail-encode-encoded-word-region description (point)))))
(defun mml-parameter-string (cont types)
(let ((string "")
;; First decode the head.
(save-restriction
(message-narrow-to-head)
- (mail-decode-encoded-word-region (point-min) (point-max)))
+ (let ((rfc2047-quote-decoded-words-containing-tspecials t))
+ (mail-decode-encoded-word-region (point-min) (point-max))))
(unless handles
(setq handles (mm-dissect-buffer t)))
(goto-char (point-min))
(unless (setq textp (equal (mm-handle-media-supertype handle) "text"))
(save-excursion
(set-buffer (setq buffer (mml-generate-new-buffer " *mml*")))
- (mm-insert-part handle)
+ (mm-insert-part handle 'no-cache)
(if (setq mmlp (equal (mm-handle-media-type handle)
"message/rfc822"))
(mime-to-mml)))))
(defun mml-insert-parameter (&rest parameters)
"Insert PARAMETERS in a nice way."
- (dolist (param parameters)
- (insert ";")
- (let ((point (point)))
+ (let (start end)
+ (dolist (param parameters)
+ (insert ";")
+ (setq start (point))
(insert " " param)
- (when (> (current-column) 71)
- (goto-char point)
- (insert "\n ")
- (end-of-line)))))
+ (setq end (point))
+ (goto-char start)
+ (end-of-line)
+ (if (> (current-column) 76)
+ (progn
+ (goto-char start)
+ (insert "\n")
+ (goto-char (1+ end)))
+ (goto-char end)))))
;;;
;;; Mode for inserting and editing MML forms
(encryptpart (make-sparse-keymap))
(map (make-sparse-keymap))
(main (make-sparse-keymap)))
+ (define-key map "\C-s" 'mml-secure-message-sign)
+ (define-key map "\C-c" 'mml-secure-message-encrypt)
+ (define-key map "\C-e" 'mml-secure-message-sign-encrypt)
+ (define-key map "\C-p\C-s" 'mml-secure-sign)
+ (define-key map "\C-p\C-c" 'mml-secure-encrypt)
(define-key sign "p" 'mml-secure-message-sign-pgpmime)
(define-key sign "o" 'mml-secure-message-sign-pgp)
(define-key sign "s" 'mml-secure-message-sign-smime)
["Attach File..." mml-attach-file
,@(if (featurep 'xemacs) '(t)
'(:help "Attach a file at point"))]
- ["Attach Buffer..." mml-attach-buffer t]
- ["Attach External..." mml-attach-external t]
- ["Insert Part..." mml-insert-part t]
- ["Insert Multipart..." mml-insert-multipart t]
- ["PGP/MIME Sign" mml-secure-message-sign-pgpmime t]
- ["PGP/MIME Encrypt" mml-secure-message-encrypt-pgpmime t]
- ["PGP Sign" mml-secure-message-sign-pgp t]
- ["PGP Encrypt" mml-secure-message-encrypt-pgp t]
- ["S/MIME Sign" mml-secure-message-sign-smime t]
- ["S/MIME Encrypt" mml-secure-message-encrypt-smime t]
- ("Secure MIME part"
- ["PGP/MIME Sign Part" mml-secure-sign-pgpmime t]
- ["PGP/MIME Encrypt Part" mml-secure-encrypt-pgpmime t]
- ["PGP Sign Part" mml-secure-sign-pgp t]
- ["PGP Encrypt Part" mml-secure-encrypt-pgp t]
- ["S/MIME Sign Part" mml-secure-sign-smime t]
- ["S/MIME Encrypt Part" mml-secure-encrypt-smime t])
- ["Encrypt/Sign off" mml-unsecure-message t]
+ ["Attach Buffer..." mml-attach-buffer
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Attach a buffer to the outgoing MIME message"))]
+ ["Attach External..." mml-attach-external
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Attach reference to file"))]
+ ;;
+ ("Change Security Method"
+ ["PGP/MIME"
+ (lambda () (interactive) (setq mml-secure-method "pgpmime"))
+ ,@(if (featurep 'xemacs) nil
+ '(:help "Set Security Method to PGP/MIME"))
+ :style radio
+ :selected (equal mml-secure-method "pgpmime") ]
+ ["S/MIME"
+ (lambda () (interactive) (setq mml-secure-method "smime"))
+ ,@(if (featurep 'xemacs) nil
+ '(:help "Set Security Method to S/MIME"))
+ :style radio
+ :selected (equal mml-secure-method "smime") ]
+ ["Inline PGP"
+ (lambda () (interactive) (setq mml-secure-method "pgp"))
+ ,@(if (featurep 'xemacs) nil
+ '(:help "Set Security Method to inline PGP"))
+ :style radio
+ :selected (equal mml-secure-method "pgp") ] )
+ ;;
+ ["Sign Message" mml-secure-message-sign t]
+ ["Encrypt Message" mml-secure-message-encrypt t]
+ ["Sign and Encrypt Message" mml-secure-message-sign-encrypt t]
+ ["Encrypt/Sign off" mml-unsecure-message
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Don't Encrypt/Sign Message"))]
+ ;; Maybe we could remove these, because people who write MML most probably
+ ;; don't use the menu:
+ ["Insert Part..." mml-insert-part
+ :active (message-in-body-p)]
+ ["Insert Multipart..." mml-insert-multipart
+ :active (message-in-body-p)]
+ ;;
+ ;; Do we have separate encrypt and encrypt/sign commands for parts?
+ ["Sign Part" mml-secure-sign t]
+ ["Encrypt Part" mml-secure-encrypt t]
;;["Narrow" mml-narrow-to-part t]
- ["Quote MML" mml-quote-region
+ ["Quote MML in region" mml-quote-region
:active (message-mark-active-p)
,@(if (featurep 'xemacs) nil
'(:help "Quote MML tags in region"))]
["Validate MML" mml-validate t]
- ["Preview" mml-preview t]))
+ ["Preview" mml-preview t]
+ "----"
+ ["Emacs MIME manual" (lambda () (interactive) (message-info 4))
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Display the Emacs MIME manual"))]
+ ["PGG manual" (lambda () (interactive) (message-info 16))
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Display the PGG manual"))]))
(defvar mml-mode nil
"Minor mode for editing MML.")
(> (prefix-numeric-value arg) 0)))
(add-minor-mode 'mml-mode " MML" mml-mode-map)
(easy-menu-add mml-menu mml-mode-map)
- (when (boundp 'x-dnd-protocol-alist)
- (set (make-local-variable 'x-dnd-protocol-alist)
- '(("^file:///" . mml-x-dnd-attach-file)
- ("^file://" . x-dnd-open-file)
- ("^file:" . mml-x-dnd-attach-file))))
+ (when (boundp 'dnd-protocol-alist)
+ (set (make-local-variable 'dnd-protocol-alist)
+ (append mml-dnd-protocol-alist dnd-protocol-alist)))
(run-hooks 'mml-mode-hook)))
;;;
;;; inserting stuff to the buffer.
;;;
+(defcustom mml-default-directory mm-default-directory
+ "The default directory where mml will find files.
+If not set, `default-directory' will be used."
+ :type '(choice directory (const :tag "Default" nil))
+ :version "23.0" ;; No Gnus
+ :group 'message)
+
(defun mml-minibuffer-read-file (prompt)
(let* ((completion-ignored-extensions nil)
- (file (read-file-name prompt nil nil t)))
+ (file (read-file-name prompt
+ (or mml-default-directory default-directory)
+ nil t)))
;; Prevent some common errors. This is inspired by similar code in
;; VM.
(when (file-directory-p file)
description))
(defun mml-minibuffer-read-disposition (type &optional default)
- (let* ((default (or default
- (if (string-match "^text/.*" type)
- "inline"
- "attachment")))
- (disposition (completing-read
- (format "Disposition: (default %s): " default)
+ (unless default (setq default
+ (if (and (string-match "\\`text/" type)
+ (not (string-match "\\`text/rtf\\'" type)))
+ "inline"
+ "attachment")))
+ (let ((disposition (completing-read
+ (format "Disposition (default %s): " default)
'(("attachment") ("inline") (""))
- nil
- nil)))
+ nil t nil nil default)))
(if (not (equal disposition ""))
disposition
default)))
;;; Attachment functions.
+(defcustom mml-dnd-protocol-alist
+ '(("^file:///" . mml-dnd-attach-file)
+ ("^file://" . dnd-open-file)
+ ("^file:" . mml-dnd-attach-file))
+ "The functions to call when a drop in `mml-mode' is made.
+See `dnd-protocol-alist' for more information. When nil, behave
+as in other buffers."
+ :type '(choice (repeat (cons (regexp) (function)))
+ (const :tag "Behave as in other buffers" nil))
+ :version "22.1" ;; Gnus 5.10.9
+ :group 'message)
+
+(defcustom mml-dnd-attach-options nil
+ "Which options should be queried when attaching a file via drag and drop.
+
+If it is a list, valid members are `type', `description' and
+`disposition'. `disposition' implies `type'. If it is nil,
+don't ask for options. If it is t, ask the user whether or not
+to specify options."
+ :type '(choice
+ (const :tag "Non" nil)
+ (const :tag "Query" t)
+ (list :value (type description disposition)
+ (set :inline t
+ (const type)
+ (const description)
+ (const disposition))))
+ :version "22.1" ;; Gnus 5.10.9
+ :group 'message)
+
(defun mml-attach-file (file &optional type description disposition)
"Attach a file to the outgoing MIME message.
The file is not inserted or encoded until you send the message with
`\\[message-send-and-exit]' or `\\[message-send]'.
-FILE is the name of the file to attach. TYPE is its content-type, a
-string of the form \"type/subtype\". DESCRIPTION is a one-line
-description of the attachment."
+FILE is the name of the file to attach. TYPE is its
+content-type, a string of the form \"type/subtype\". DESCRIPTION
+is a one-line description of the attachment. The DISPOSITION
+specifies how the attachment is intended to be displayed. It can
+be either \"inline\" (displayed automatically within the message
+body) or \"attachment\" (separate from the body)."
(interactive
(let* ((file (mml-minibuffer-read-file "Attach file: "))
(type (mml-minibuffer-read-type file))
(description (mml-minibuffer-read-description))
(disposition (mml-minibuffer-read-disposition type)))
(list file type description disposition)))
- (mml-insert-empty-tag 'part
- 'type type
- 'filename file
- 'disposition (or disposition "attachment")
- 'description description))
-
-(defun mml-x-dnd-attach-file (uri action)
- "Attach a drag and drop file."
- (let ((file (x-dnd-get-local-file-name uri t)))
+ (save-excursion
+ (unless (message-in-body-p) (goto-char (point-max)))
+ (mml-insert-empty-tag 'part
+ 'type type
+ 'filename file
+ 'disposition (or disposition "attachment")
+ 'description description)))
+
+(defun mml-dnd-attach-file (uri action)
+ "Attach a drag and drop file.
+
+Ask for type, description or disposition according to
+`mml-dnd-attach-options'."
+ (let ((file (dnd-get-local-file-name uri t)))
(when (and file (file-regular-p file))
- (let* ((type (mml-minibuffer-read-type file))
- (description (mml-minibuffer-read-description))
- (disposition (mml-minibuffer-read-disposition type)))
+ (let ((mml-dnd-attach-options mml-dnd-attach-options)
+ type description disposition)
+ (setq mml-dnd-attach-options
+ (when (and (eq mml-dnd-attach-options t)
+ (not
+ (y-or-n-p
+ "Use default type, disposition and description? ")))
+ '(type description disposition)))
+ (when (or (memq 'type mml-dnd-attach-options)
+ (memq 'disposition mml-dnd-attach-options))
+ (setq type (mml-minibuffer-read-type file)))
+ (when (memq 'description mml-dnd-attach-options)
+ (setq description (mml-minibuffer-read-description)))
+ (when (memq 'disposition mml-dnd-attach-options)
+ (setq disposition (mml-minibuffer-read-disposition type)))
(mml-attach-file file type description disposition)))))
(defun mml-attach-buffer (buffer &optional type description)
(type (mml-minibuffer-read-type buffer "text/plain"))
(description (mml-minibuffer-read-description)))
(list buffer type description)))
- (mml-insert-empty-tag 'part 'type type 'buffer buffer
- 'disposition "attachment" 'description description))
+ (save-excursion
+ (unless (message-in-body-p) (goto-char (point-max)))
+ (mml-insert-empty-tag 'part 'type type 'buffer buffer
+ 'disposition "attachment"
+ 'description description)))
(defun mml-attach-external (file &optional type description)
"Attach an external file into the buffer.
(type (mml-minibuffer-read-type file))
(description (mml-minibuffer-read-description)))
(list file type description)))
- (mml-insert-empty-tag 'external 'type type 'name file
- 'disposition "attachment" 'description description))
+ (save-excursion
+ (unless (message-in-body-p) (goto-char (point-max)))
+ (mml-insert-empty-tag 'external 'type type 'name file
+ 'disposition "attachment" 'description description)))
(defun mml-insert-multipart (&optional type)
(interactive (list (completing-read "Multipart type (default mixed): "
(message-position-on-field "Mail-Followup-To" "X-Draft-From")
(insert (message-make-mail-followup-to))))
+(defvar mml-preview-buffer nil)
+
(defun mml-preview (&optional raw)
"Display current buffer with Gnus, in a new buffer.
-If RAW, don't highlight the article."
+If RAW, display a raw encoded MIME message.
+
+The window layout for the preview buffer is controled by the variables
+`special-display-buffer-names', `special-display-regexps', or
+`gnus-buffer-configuration' (the first match made will be used),
+or the `pop-to-buffer' function."
(interactive "P")
+ (setq mml-preview-buffer (generate-new-buffer
+ (concat (if raw "*Raw MIME preview of "
+ "*MIME preview of ") (buffer-name))))
(save-excursion
(let* ((buf (current-buffer))
(message-options message-options)
(message-fetch-field "Newsgroups")))
message-posting-charset)))
(message-options-set-recipient)
- (switch-to-buffer (generate-new-buffer
- (concat (if raw "*Raw MIME preview of "
- "*MIME preview of ") (buffer-name))))
(when (boundp 'gnus-buffers)
- (push (current-buffer) gnus-buffers))
- (erase-buffer)
- (insert-buffer-substring buf)
+ (push mml-preview-buffer gnus-buffers))
+ (save-restriction
+ (widen)
+ (set-buffer mml-preview-buffer)
+ (erase-buffer)
+ (insert-buffer-substring buf))
(mml-preview-insert-mail-followup-to)
(let ((message-deletable-headers (if (message-news-p)
nil
(concat "^" (regexp-quote mail-header-separator) "\n") nil t)
(replace-match "\n"))
(let ((mail-header-separator ""));; mail-header-separator is removed.
+ (message-sort-headers)
(mml-to-mime))
(if raw
(when (fboundp 'set-buffer-multibyte)
(lambda (event)
(interactive "@e")
(widget-button-press (widget-event-point event) event)))
- (goto-char (point-min)))))
+ ;; FIXME: Buffer is in article mode, but most tool bar commands won't
+ ;; work. Maybe only keep the following icons: search, print, quit
+ (goto-char (point-min))))
+ (if (and (not (mm-special-display-p (buffer-name mml-preview-buffer)))
+ (boundp 'gnus-buffer-configuration)
+ (assq 'mml-preview gnus-buffer-configuration))
+ (let ((gnus-message-buffer (current-buffer)))
+ (gnus-configure-windows 'mml-preview))
+ (pop-to-buffer mml-preview-buffer)))
(defun mml-validate ()
"Validate the current MML document."