Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.1203
diff -u -p -r1.1203 common.inc
--- includes/common.inc	9 Aug 2010 00:13:06 -0000	1.1203
+++ includes/common.inc	9 Aug 2010 17:06:15 -0000
@@ -2748,7 +2748,7 @@ function drupal_add_css($data = NULL, $o
       'type' => 'file',
       'weight' => CSS_DEFAULT,
       'media' => 'all',
-      'preprocess' => FALSE,
+      'preprocess' => !$GLOBALS['user']->uid,
       'data' => $data,
       'browsers' => array(),
     );
@@ -3738,7 +3738,7 @@ function drupal_js_defaults($data = NULL
     'scope' => 'header',
     'cache' => TRUE,
     'defer' => FALSE,
-    'preprocess' => FALSE,
+    'preprocess' => !$GLOBALS['user']->uid,
     'version' => NULL,
     'data' => $data,
   );
Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.952
diff -u -p -r1.952 system.module
--- modules/system/system.module	8 Aug 2010 23:55:30 -0000	1.952
+++ modules/system/system.module	9 Aug 2010 11:27:38 -0000
@@ -1064,9 +1064,8 @@ function system_library() {
     'website' => 'http://jquery.com',
     'version' => '1.4.2',
     'js' => array(
-      'misc/jquery.js' => array('weight' => JS_LIBRARY - 20),
+      'misc/jquery.js' => array('preprocess' => TRUE, 'weight' => JS_LIBRARY - 20),
     ),
-    'preprocess' => TRUE,
   );
 
   // jQuery Once.
@@ -1075,9 +1074,8 @@ function system_library() {
     'website' => 'http://plugins.jquery.com/project/once',
     'version' => '1.2',
     'js' => array(
-      'misc/jquery.once.js' => array('weight' => JS_LIBRARY - 19),
+      'misc/jquery.once.js' => array('preprocess' => TRUE, 'weight' => JS_LIBRARY - 19),
     ),
-    'preprocess' => TRUE,
   );
 
   // jQuery Form Plugin.