Variable: mm-body-charset-encoding-alist

mm-body-charset-encoding-alist is a customizable variable defined in mm-bodies.el.gz.

Value

((iso-2022-jp . 7bit) (iso-2022-jp-2 . 7bit) (utf-16 . base64)
 (utf-16be . base64) (utf-16le . base64))

Documentation

Alist of MIME charsets to encodings.

Valid encodings are 7bit, 8bit, quoted-printable and base64.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/mm-bodies.el.gz
(defcustom mm-body-charset-encoding-alist
  '((iso-2022-jp . 7bit)
    (iso-2022-jp-2 . 7bit)
    ;; We MUST encode UTF-16 because it can contain \0's which is
    ;; known to break servers.
    ;; Note: UTF-16 variants are invalid for text parts [RFC 2781],
    ;; so this can't happen :-/.
    ;; PPS: Yes, it can happen if the user specifies UTF-16 in the MML
    ;; markup. - jh.
    (utf-16 . base64)
    (utf-16be . base64)
    (utf-16le . base64))
  "Alist of MIME charsets to encodings.
Valid encodings are `7bit', `8bit', `quoted-printable' and `base64'."
  :type '(repeat (cons (symbol :tag "charset")
		       (choice :tag "encoding"
			       (const 7bit)
			       (const 8bit)
			       (const quoted-printable)
			       (const base64))))
  :group 'mime)