-(defvar gnus-use-full-window t
- "*If non-nil, use the entire Emacs screen.")
+(defgroup gnus-windows nil
+ "Window configuration."
+ :group 'gnus)
+
+(defcustom gnus-use-full-window t
+ "*If non-nil, use the entire Emacs screen."
+ :group 'gnus-windows
+ :type 'boolean)