(defvar gnus-next-page-map
(let ((map (make-sparse-keymap)))
+ (unless (>= emacs-major-version 21)
+ ;; XEmacs doesn't care.
+ (set-keymap-parent map gnus-article-mode-map))
(define-key map gnus-mouse-2 'gnus-button-next-page)
(define-key map "\r" 'gnus-button-next-page)
map))