+;;;###autoload
+(defun gnus-registry-install-nnregistry ()
+ "Install the nnregistry refer method in `gnus-refer-article-method'."
+ (interactive)
+ (setq gnus-refer-article-method
+ (delete-dups
+ (append
+ (if (listp gnus-refer-article-method)
+ gnus-refer-article-method
+ (list gnus-refer-article-method))
+ (list 'nnregistry)))))
+