diff -u /home/guerry/elisp/testing/org/ /home/guerry/elisp/testing/bzg/org.el
--- /home/guerry/elisp/testing/org/org.el	2007-12-20 14:38:42.000000000 +0100
+++ /home/guerry/elisp/testing/bzg/org.el	2007-12-29 13:13:03.000000000 +0100
@@ -19618,7 +19618,7 @@
     (setq files (apply 'append
 		       (mapcar (lambda (f)
 				 (if (file-directory-p f)
-				     (directory-files f t "\\.org\\'")
+				     (directory-files f t org-agenda-file-regexp)
 				   (list f)))
 			       files)))
     (if org-agenda-skip-unavailable-files

Diff finished.  Sat Dec 29 13:13:41 2007