;;; nnoo.el --- OO Gnus Backends
;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-;; 2004, 2005 Free Software Foundation, Inc.
+;; 2004, 2005, 2006 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(defmacro nnoo-declare (backend &rest parents)
`(eval-and-compile
- (push (list ',backend
- (mapcar (lambda (p) (list p)) ',parents)
- nil nil)
- nnoo-definition-alist)
- (push (list ',backend "*internal-non-initialized-backend*")
- nnoo-state-alist)))
+ (if (assq ',backend nnoo-definition-alist)
+ (setcar (cdr (assq ',backend nnoo-definition-alist))
+ (mapcar 'list ',parents))
+ (push (list ',backend
+ (mapcar 'list ',parents)
+ nil nil)
+ nnoo-definition-alist))
+ (unless (assq ',backend nnoo-state-alist)
+ (push (list ',backend "*internal-non-initialized-backend*")
+ nnoo-state-alist))))
(put 'nnoo-declare 'lisp-indent-function 1)
(defun nnoo-parents (backend)