Variable: gnus-mailing-list-groups
gnus-mailing-list-groups is a customizable variable defined in
gnus-msg.el.gz.
Value
nil
Documentation
If non-nil a regexp matching groups that are really mailing lists.
This is useful when you're reading a mailing list that has been gatewayed to a newsgroup, and you want to followup to an article in the group.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-msg.el.gz
(defcustom gnus-mailing-list-groups nil
"If non-nil a regexp matching groups that are really mailing lists.
This is useful when you're reading a mailing list that has been
gatewayed to a newsgroup, and you want to followup to an article in
the group."
:group 'gnus-message
:type '(choice (regexp)
(const nil)))