Variable: gnus-save-duplicate-list
gnus-save-duplicate-list is a customizable variable defined in
gnus-dup.el.gz.
Value
nil
Documentation
If non-nil, save the duplicate list when shutting down Gnus.
If nil, duplicate suppression will only work on duplicates seen in the same session.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-dup.el.gz
(defcustom gnus-save-duplicate-list nil
"If non-nil, save the duplicate list when shutting down Gnus.
If nil, duplicate suppression will only work on duplicates
seen in the same session."
:type 'boolean)