Variable: message-distribution-function
message-distribution-function is a customizable variable defined in
message.el.gz.
Value
nil
Documentation
Function called to return a Distribution header.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defcustom message-distribution-function nil
"Function called to return a Distribution header."
:group 'message-news
:group 'message-headers
:link '(custom-manual "(message)News Headers")
:type '(choice function (const nil)))