Variable: mml-insert-mime-headers-always
mml-insert-mime-headers-always is a customizable variable defined in
mml.el.gz.
Value
t
Documentation
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.
This variable was added, or its default value changed, in Emacs 24.1.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/mml.el.gz
(defcustom mml-insert-mime-headers-always t
"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 "24.1"
:type 'boolean
:group 'message)