;;; gnus-topic.el --- a folding minor mode for Gnus group buffers
-;; Copyright (C) 1995-2011 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2012 Free Software Foundation, Inc.
;; Author: Ilja Weis <kult@uni-paderborn.de>
;; Lars Magne Ingebrigtsen <larsi@gnus.org>
;; 2. Can't process on several marked groups with a same name,
;; because gnus-group-marked only keeps one copy.
+(defvar gnus-topic-history nil)
+
(defun gnus-topic-move-group (n topic &optional copyp)
"Move the next N groups to TOPIC.
If COPYP, copy the groups instead."