(defvar nnregistry-within-nnregistry nil)
(deffoo nnregistry-request-article (id &optional group server buffer)
(and (not nnregistry-within-nnregistry)
(let* ((nnregistry-within-nnregistry t)
(defvar nnregistry-within-nnregistry nil)
(deffoo nnregistry-request-article (id &optional group server buffer)
(and (not nnregistry-within-nnregistry)
(let* ((nnregistry-within-nnregistry t)