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-rw-r--r--lisp/gnus/gnus-group.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index eec47aaa06e..521fd21d0dd 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -87,7 +87,7 @@ with the best level."
This means that they will still be listed when there are no unread
articles in the groups."
:group 'gnus-group-listing
- :type 'regexp)
+ :type '(choice regexp (const nil)))
(defcustom gnus-list-groups-with-ticked-articles t
"*If non-nil, list groups that have only ticked articles.