diff -urp --strip-trailing-cr ../category-orig/category.module ./category.module
--- ../category-orig/category.module	2009-03-05 23:23:54.000000000 +0100
+++ ./category.module	2009-05-09 19:20:55.000000000 +0200
@@ -269,6 +269,7 @@ function category_menu() {
     'title' => 'RSS feed',
     'page callback' => 'category_feed',
     'page arguments' => array(1),
+    'access arguments' => array('access content'),
     'type' => MENU_CALLBACK,
     'file' => 'category.pages.inc',
   );