+(autoload 'binhex-decode-region "binhex")
+(autoload 'binhex-decode-region-external "binhex")
+(autoload 'binhex-decode-region-internal "binhex")
+
+(autoload 'yenc-decode-region "yenc")
+(autoload 'yenc-extract-filename "yenc")
+
+(defcustom mm-uu-decode-function 'uudecode-decode-region
+ "*Function to uudecode.
+Internal function is done in Lisp by default, therefore decoding may
+appear to be horribly slow. You can make Gnus use an external
+decoder, such as uudecode."
+ :type '(choice
+ (function-item :tag "Auto detect" uudecode-decode-region)
+ (function-item :tag "Internal" uudecode-decode-region-internal)
+ (function-item :tag "External" uudecode-decode-region-external))
+ :group 'gnus-article-mime)
+
+(defcustom mm-uu-binhex-decode-function 'binhex-decode-region
+ "*Function to binhex decode.
+Internal function is done in elisp by default, therefore decoding may
+appear to be horribly slow . You can make Gnus use the external Unix
+decoder, such as hexbin."
+ :type '(choice (function-item :tag "Auto detect" binhex-decode-region)
+ (function-item :tag "Internal" binhex-decode-region-internal)
+ (function-item :tag "External" binhex-decode-region-external))
+ :group 'gnus-article-mime)
+
+(defvar mm-uu-yenc-decode-function 'yenc-decode-region)
+
+(defvar mm-uu-pgp-beginning-signature
+ "^-----BEGIN PGP SIGNATURE-----")
+
+(defvar mm-uu-beginning-regexp nil)
+
+(defvar mm-dissect-disposition "inline"
+ "The default disposition of uu parts.
+This can be either \"inline\" or \"attachment\".")
+
+(defcustom mm-uu-emacs-sources-regexp "\\.emacs\\.sources"
+ "The regexp of Emacs sources groups."
+ :version "22.1"
+ :type 'regexp
+ :group 'gnus-article-mime)
+
+(defcustom mm-uu-diff-groups-regexp
+ "\\(gmane\\|gnu\\)\\..*\\(diff\\|commit\\|cvs\\|bug\\|devel\\)"
+ "Regexp matching diff groups."
+ :version "22.1"
+ :type 'regexp
+ :group 'gnus-article-mime)
+
+(defcustom mm-uu-tex-groups-regexp "\\.tex\\>"
+ "*Regexp matching TeX groups."
+ :version "23.0"
+ :type 'regexp
+ :group 'gnus-article-mime)
+
+(defvar mm-uu-type-alist
+ '((postscript
+ "^%!PS-"
+ "^%%EOF$"
+ mm-uu-postscript-extract
+ nil)
+ (uu ;; Maybe we should have a more strict test here.
+ "^begin[ \t]+0?[0-7][0-7][0-7][ \t]+"
+ "^end[ \t]*$"
+ mm-uu-uu-extract
+ mm-uu-uu-filename)
+ (binhex
+ "^:.\\{63,63\\}$"
+ ":$"
+ mm-uu-binhex-extract
+ nil
+ mm-uu-binhex-filename)
+ (yenc
+ "^=ybegin.*size=[0-9]+.*name=.*$"
+ "^=yend.*size=[0-9]+"
+ mm-uu-yenc-extract
+ mm-uu-yenc-filename)
+ (shar
+ "^#! */bin/sh"
+ "^exit 0$"
+ mm-uu-shar-extract)
+ (forward
+ ;; Thanks to Edward J. Sabol <sabol@alderaan.gsfc.nasa.gov> and
+ ;; Peter von der Ah\'e <pahe@daimi.au.dk>
+ "^-+ \\(Start of \\)?Forwarded message"
+ "^-+ End \\(of \\)?forwarded message"
+ mm-uu-forward-extract
+ nil
+ mm-uu-forward-test)
+ (gnatsweb
+ "^----gnatsweb-attachment----"
+ nil
+ mm-uu-gnatsweb-extract)
+ (pgp-signed
+ "^-----BEGIN PGP SIGNED MESSAGE-----"
+ "^-----END PGP SIGNATURE-----"
+ mm-uu-pgp-signed-extract
+ nil
+ nil)
+ (pgp-encrypted
+ "^-----BEGIN PGP MESSAGE-----"
+ "^-----END PGP MESSAGE-----"
+ mm-uu-pgp-encrypted-extract
+ nil
+ nil)
+ (pgp-key
+ "^-----BEGIN PGP PUBLIC KEY BLOCK-----"
+ "^-----END PGP PUBLIC KEY BLOCK-----"
+ mm-uu-pgp-key-extract
+ mm-uu-gpg-key-skip-to-last
+ nil)
+ (emacs-sources
+ "^;;;?[ \t]*[^ \t]+\\.el[ \t]*--"
+ "^;;;?[ \t]*\\([^ \t]+\\.el\\)[ \t]+ends here"
+ mm-uu-emacs-sources-extract
+ nil
+ mm-uu-emacs-sources-test)
+ (diff
+ "^Index: "
+ nil
+ mm-uu-diff-extract
+ nil
+ mm-uu-diff-test)
+ (message-marks
+ ;; Text enclosed with tags similar to `message-mark-insert-begin' and
+ ;; `message-mark-insert-end'. Don't use those variables to avoid
+ ;; dependency on `message.el'.
+ "^-+[8<>]*-\\{9,\\}[a-z ]+-\\{9,\\}[a-z ]+-\\{9,\\}[8<>]*-+$"
+ "^-+[8<>]*-\\{9,\\}[a-z ]+-\\{9,\\}[a-z ]+-\\{9,\\}[8<>]*-+$"
+ (lambda () (mm-uu-verbatim-marks-extract 0 -1 1 -1))
+ nil)
+ ;; Omitting [a-z8<] leads to false positives (bogus signature separators
+ ;; and mailing list banners).
+ (insert-marks
+ "^ *\\(-\\|_\\)\\{30,\\}.*[a-z8<].*\\(-\\|_\\)\\{30,\\} *$"
+ "^ *\\(-\\|_\\)\\{30,\\}.*[a-z8<].*\\(-\\|_\\)\\{30,\\} *$"
+ (lambda () (mm-uu-verbatim-marks-extract 0 0 1 -1))
+ nil)
+ (verbatim-marks
+ ;; slrn-style verbatim marks, see
+ ;; http://www.slrn.org/manual/slrn-manual-6.html#ss6.81
+ "^#v\\+"
+ "^#v\\-$"
+ (lambda () (mm-uu-verbatim-marks-extract 0 0 1 -1))
+ nil)
+ (LaTeX
+ "^\\([\\\\%][^\n]+\n\\)*\\\\documentclass.*[[{%]"
+ "^\\\\end{document}"
+ mm-uu-latex-extract
+ nil
+ mm-uu-latex-test))
+ "A list of specifications for non-MIME attachments.
+Each element consist of the following entries: label,
+start-regexp, end-regexp, extract-function, test-function.
+
+After modifying this list you must run \\[mm-uu-configure].")
+
+(defcustom mm-uu-configure-list '((shar . disabled))
+ "A list of mm-uu configuration.
+To disable dissecting shar codes, for instance, add
+`(shar . disabled)' to this list."
+ :type 'alist
+ :options (mapcar (lambda (entry)
+ (list (car entry) '(const disabled)))
+ mm-uu-type-alist)
+ :group 'gnus-article-mime)
+
+(defvar mm-uu-text-plain-type '("text/plain" (charset . gnus-decoded))
+ "MIME type and parameters for text/plain parts.
+`gnus-decoded' is a fake charset, which means no further decoding.")
+
+;; functions
+
+(defsubst mm-uu-type (entry)
+ (car entry))
+
+(defsubst mm-uu-beginning-regexp (entry)
+ (nth 1 entry))
+
+(defsubst mm-uu-end-regexp (entry)
+ (nth 2 entry))
+
+(defsubst mm-uu-function-extract (entry)
+ (nth 3 entry))
+
+(defsubst mm-uu-function-1 (entry)
+ (nth 4 entry))
+
+(defsubst mm-uu-function-2 (entry)
+ (nth 5 entry))
+
+;; In Emacs 22, we could use `min-colors' in the face definition. But Emacs
+;; 21 and XEmacs don't support it.
+(defcustom mm-uu-hide-markers
+ (< 16 (or (and (fboundp 'defined-colors)
+ (length (defined-colors)))
+ (and (fboundp 'device-color-cells)
+ (device-color-cells))
+ 0))
+ "If non-nil, hide verbatim markers.
+The value should be nil on displays where the face
+`mm-uu-extract' isn't distinguishable to the face `default'."
+ :type '(choice (const :tag "Hide" t)
+ (const :tag "Don't hide" nil))
+ :version "23.0" ;; No Gnus
+ :group 'gnus-article-mime)
+
+(defface mm-uu-extract '(;; Colors from `gnus-cite-3' plus background:
+ (((class color)
+ (background dark))
+ (:foreground "light yellow"
+ :background "dark green"))
+ (((class color)
+ (background light))
+ (:foreground "dark green"
+ :background "light yellow"))
+ (t
+ ()))
+ "Face for extracted buffers."
+ ;; See `mm-uu-verbatim-marks-extract'.
+ :version "23.0" ;; No Gnus
+ :group 'gnus-article-mime)
+
+(defun mm-uu-copy-to-buffer (&optional from to properties)
+ "Copy the contents of the current buffer to a fresh buffer.
+Return that buffer.
+
+If PROPERTIES is non-nil, PROPERTIES are applied to the buffer,
+see `set-text-properties'. If PROPERTIES equals t, this means to
+apply the face `mm-uu-extract'."
+ (let ((obuf (current-buffer))
+ (coding-system
+ ;; Might not exist in non-MULE XEmacs
+ (when (boundp 'buffer-file-coding-system)
+ buffer-file-coding-system)))
+ (with-current-buffer (generate-new-buffer " *mm-uu*")
+ (setq buffer-file-coding-system coding-system)