X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lisp%2Fnnoo.el;h=9c27786bf68b9431380ded8ecc2f896b9c4eed6e;hb=95b36198992b26b8da421dc2721721eb94452e75;hp=eea499eaa35b36c9773439e4192d0bbb5e73bcf4;hpb=097cf341cfee92e9d5d30de9bdbc14a50ddfe414;p=elisp%2Fgnus.git-

diff --git a/lisp/nnoo.el b/lisp/nnoo.el
index eea499e..9c27786 100644
--- a/lisp/nnoo.el
+++ b/lisp/nnoo.el
@@ -1,7 +1,7 @@
 ;;; nnoo.el --- OO Gnus Backends
-;; Copyright (C) 1996,97 Free Software Foundation, Inc.
+;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
 
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
 
 ;; This file is part of GNU Emacs.
@@ -103,7 +103,13 @@
     (nnoo-change-server pbackend
 			(nnoo-current-server backend)
 			(cdr (assq pbackend (nnoo-parents backend))))
-    (apply function args)))
+    (prog1
+	(apply function args)
+    ;; Copy the changed variables back into the child.
+    (let ((vars (cdr (assq pbackend (nnoo-parents backend)))))
+      (while vars
+	(set (cadar vars) (symbol-value (caar vars)))
+	(setq vars (cdr vars)))))))
 
 (defun nnoo-execute (backend function &rest args)
   "Execute FUNCTION on behalf of BACKEND."
@@ -112,7 +118,13 @@
     (nnoo-change-server pbackend
 			(nnoo-current-server backend)
 			(cdr (assq pbackend (nnoo-parents backend))))
-    (apply function args)))
+    (prog1
+	(apply function args)
+      ;; Copy the changed variables back into the child.
+      (let ((vars (cdr (assq pbackend (nnoo-parents backend)))))
+	(while vars
+	  (set (cadar vars) (symbol-value (caar vars)))
+	  (setq vars (cdr vars)))))))
 
 (defmacro nnoo-map-functions (backend &rest maps)
   `(nnoo-map-functions-1 ',backend ',maps))