Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.1193
diff -u -p -r1.1193 common.inc
--- includes/common.inc	24 Jul 2010 17:28:25 -0000	1.1193
+++ includes/common.inc	27 Jul 2010 21:57:42 -0000
@@ -2642,27 +2642,28 @@ function drupal_add_html_head_link($attr
  * Calling drupal_static_reset('drupal_add_css') will clear all cascading
  * stylesheets added so far.
  *
- * If preprocessing is turned on, the cascading style sheets added using this
- * function will be preprocessed before they are added to the HTML header of the
- * page. Preprocessing merges all the CSS files into one file, which is then
- * compressed by removing all extraneous white space. Note that preprocessed
- * inline stylesheets will not be aggregated into this single file; instead,
- * they will just be compressed when being output on the page. External
- * stylesheets will also not be aggregated.
+ * If the "Aggregate and compress CSS files into one file" setting is turned on,
+ * then cascading style sheets added with $options['preprocess'] set to TRUE
+ * will be preprocessed before they are added to the HTML header of the page.
+ * Preprocessing merges all the CSS files into one aggregate file, which is then
+ * compressed by removing all extraneous white space. Preprocessed inline
+ * stylesheets will not be aggregated into this single file; instead, they will
+ * just be compressed when being output on the page. Externally hosted
+ * stylesheets will not be aggregated or compressed.
  *
- * The reason for merging the CSS files is outlined quite thoroughly here:
+ * The reason for aggregating the CSS files is outlined quite thoroughly here:
  * http://www.die.net/musings/page_load_time/ "Load fewer external objects. Due
  * to request overhead, one bigger file just loads faster than two smaller ones
- * half its size."
- *
- * However, you should *not* preprocess every file as this can lead to redundant
- * caches. You should set $options['preprocess'] to FALSE when your styles are
- * only used on a few pages of the site. This could be a special admin page, the
- * homepage, or a handful of pages that does not represent the majority of the
- * pages on your site.
- *
- * Typical candidates for preprocessing are for example styles for nodes across
- * the site, or styles used in the theme.
+ * half its size.". You should set $options['preprocess'] to TRUE only when the
+ * CSS for that file would be needed by a typical user on the majority of site
+ * page views, for example styles for node or field display.
+ *
+ * For aggregate caches to work efficiently it is critical that all CSS files
+ * added with 'preprocess' set to TRUE are added unconditionally on every page,
+ * even if the styles don't happen to be needed on that page. This is normally
+ * done by calling drupal_add_css() in a hook_init() implementation. Note that
+ * this is the opposite approach to non-preprocessed files, which should only be
+ * added to the page when it is certain they will be needed.
  *
  * @param $data
  *   (optional) The stylesheet data to be added, depending on what is passed
@@ -2710,9 +2711,9 @@ function drupal_add_html_head_link($attr
  *     always come last.
  *   - 'media': The media type for the stylesheet, e.g., all, print, screen.
  *     Defaults to 'all'.
- *   - 'preprocess': If TRUE, Allows the CSS to be aggregated and compressed if
- *     the Optimize CSS feature has been turned on under the performance
- *     section.  Defaults to TRUE.
+ *   - 'preprocess': If TRUE, and the "Aggregate and compress CSS files into one
+ *     file" setting is turned on under the performance section then this file
+ *     will be aggregated and compressed - see details above. Defaults to FALSE.
  *   - 'browsers': An array containing information specifying which browsers
  *     should load the CSS item. See drupal_pre_render_conditional_comments()
  *     for details.
@@ -2740,7 +2741,7 @@ function drupal_add_css($data = NULL, $o
       'type' => 'file',
       'weight' => CSS_DEFAULT,
       'media' => 'all',
-      'preprocess' => TRUE,
+      'preprocess' => FALSE,
       'data' => $data,
       'browsers' => array(),
     );
@@ -3576,6 +3577,25 @@ function drupal_region_class($region) {
  * Calling drupal_static_reset('drupal_add_js') will clear all JavaScript added
  * so far.
  *
+ * If the "Aggregate JavaScript files into one file" setting is turned on, then
+ * JavaScript of type 'file' added with $options['preprocess'] set to TRUE will
+ * be merged into one aggregate file before they are added to the HTML header of
+ * the page.
+ *
+ * The reason for aggregating the JavaScript files is outlined quite thoroughly
+ * here: http://www.die.net/musings/page_load_time/ "Load fewer external
+ * objects. Due to request overhead, one bigger file just loads faster than two
+ * smaller ones half its size.". You should set $options['preprocess'] to TRUE
+ * only when the JavaScript for that file would be needed by a typical user on
+ * the majority of site page views, for example on node or field display.
+ *
+ * For aggregate caches to work efficiently it is critical that all JavaScript
+ * files added with 'preprocess' set to TRUE are added unconditionally on every
+ * page, even if the JavaScript doesn't' happen to be needed on that page. This
+ * is normally done by calling drupal_add_css() in a hook_init() implementation.
+ * Note that this is the opposite approach to non-preprocessed files, which
+ * should only be added to the page when it is certain they will be needed.
+ *
  * @param $data
  *   (optional) If given, the value depends on the $options parameter:
  *   - 'file': Path to the file relative to base_path().
@@ -3617,9 +3637,9 @@ function drupal_region_class($region) {
  *   - cache: If set to FALSE, the JavaScript file is loaded anew on every page
  *     call; in other words, it is not cached. Used only when 'type' references
  *     a JavaScript file. Defaults to TRUE.
- *   - preprocess: Aggregate the JavaScript if the JavaScript optimization
- *     setting has been toggled in admin/config/development/performance. Note
- *     that JavaScript of type 'external' is not aggregated. Defaults to TRUE.
+ *   - preprocess: If TRUE, and the "Aggregate JavaScript files into one file"
+ *     setting is turned on under the performance section then this file will be
+ *     aggregated - see details above. Defaults to FALSE.
  *
  * @return
  *   The current array of JavaScript files, settings, and in-line code,
@@ -3712,7 +3732,7 @@ function drupal_js_defaults($data = NULL
     'scope' => 'header',
     'cache' => TRUE,
     'defer' => FALSE,
-    'preprocess' => TRUE,
+    'preprocess' => FALSE,
     'version' => NULL,
     'data' => $data,
   );
Index: includes/locale.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/locale.inc,v
retrieving revision 1.257
diff -u -p -r1.257 locale.inc
--- includes/locale.inc	16 Jul 2010 02:38:16 -0000	1.257
+++ includes/locale.inc	27 Jul 2010 21:57:42 -0000
@@ -1775,7 +1775,7 @@ function _locale_rebuild_js($langcode = 
  */
 function _locale_translate_language_list($translation, $limit_language) {
   // Add CSS.
-  drupal_add_css(drupal_get_path('module', 'locale') . '/locale.css', array('preprocess' => FALSE));
+  drupal_add_css(drupal_get_path('module', 'locale') . '/locale.css');
 
   $languages = language_list();
   unset($languages['en']);
Index: includes/theme.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/theme.inc,v
retrieving revision 1.603
diff -u -p -r1.603 theme.inc
--- includes/theme.inc	25 Jul 2010 02:45:27 -0000	1.603
+++ includes/theme.inc	27 Jul 2010 21:57:42 -0000
@@ -164,7 +164,7 @@ function _drupal_theme_initialize($theme
   // And now add the stylesheets properly
   foreach ($final_stylesheets as $media => $stylesheets) {
     foreach ($stylesheets as $stylesheet) {
-      drupal_add_css($stylesheet, array('weight' => CSS_THEME, 'media' => $media));
+      drupal_add_css($stylesheet, array('weight' => CSS_THEME, 'media' => $media, 'preprocess' => TRUE));
     }
   }
 
@@ -189,7 +189,7 @@ function _drupal_theme_initialize($theme
 
   // Add scripts used by this theme.
   foreach ($final_scripts as $script) {
-    drupal_add_js($script, array('weight' => JS_THEME));
+    drupal_add_js($script, array('weight' => JS_THEME, 'preprocess' => TRUE));
   }
 
   $theme_engine = NULL;
Index: modules/aggregator/aggregator.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/aggregator/aggregator.module,v
retrieving revision 1.439
diff -u -p -r1.439 aggregator.module
--- modules/aggregator/aggregator.module	1 May 2010 08:12:22 -0000	1.439
+++ modules/aggregator/aggregator.module	27 Jul 2010 21:57:42 -0000
@@ -286,7 +286,7 @@ function _aggregator_category_title($cat
  * Implements hook_init().
  */
 function aggregator_init() {
-  drupal_add_css(drupal_get_path('module', 'aggregator') . '/aggregator.css');
+  drupal_add_css(drupal_get_path('module', 'aggregator') . '/aggregator.css', array('preprocess' => TRUE));
 }
 
 /**
Index: modules/block/block.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/block/block.admin.inc,v
retrieving revision 1.84
diff -u -p -r1.84 block.admin.inc
--- modules/block/block.admin.inc	24 Jul 2010 17:53:55 -0000	1.84
+++ modules/block/block.admin.inc	27 Jul 2010 21:57:42 -0000
@@ -10,7 +10,7 @@
  * Menu callback for admin/structure/block/demo.
  */
 function block_admin_demo($theme = NULL) {
-  drupal_add_css(drupal_get_path('module', 'block') . '/block.css', array('preprocess' => FALSE));
+  drupal_add_css(drupal_get_path('module', 'block') . '/block.css');
   return '';
 }
 
@@ -53,7 +53,7 @@ function block_admin_display($theme = NU
  */
 function block_admin_display_form($form, &$form_state, $blocks, $theme) {
 
-  drupal_add_css(drupal_get_path('module', 'block') . '/block.css', array('preprocess' => FALSE));
+  drupal_add_css(drupal_get_path('module', 'block') . '/block.css');
 
   $block_regions = system_region_list($theme, REGIONS_VISIBLE) + array(BLOCK_REGION_NONE => '<' . t('none') . '>');
 
Index: modules/book/book.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/book/book.module,v
retrieving revision 1.547
diff -u -p -r1.547 book.module
--- modules/book/book.module	7 Jul 2010 01:07:33 -0000	1.547
+++ modules/book/book.module	27 Jul 2010 21:57:42 -0000
@@ -222,7 +222,7 @@ function book_admin_paths() {
  * Implements hook_init().
  */
 function book_init() {
-  drupal_add_css(drupal_get_path('module', 'book') . '/book.css');
+  drupal_add_css(drupal_get_path('module', 'book') . '/book.css', array('preprocess' => TRUE));
 }
 
 /**
Index: modules/color/color.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/color/color.module,v
retrieving revision 1.88
diff -u -p -r1.88 color.module
--- modules/color/color.module	16 Jul 2010 02:37:05 -0000	1.88
+++ modules/color/color.module	27 Jul 2010 21:57:42 -0000
@@ -189,7 +189,7 @@ function color_scheme_form($complete_for
       ),
       // Add custom CSS.
       'css' => array(
-        $base . '/color.css' => array('preprocess' => FALSE),
+        $base . '/color.css' => array(),
       ),
       // Add custom JavaScript.
       'js' => array(
Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.884
diff -u -p -r1.884 comment.module
--- modules/comment/comment.module	24 Jul 2010 17:48:16 -0000	1.884
+++ modules/comment/comment.module	27 Jul 2010 21:57:42 -0000
@@ -290,6 +290,13 @@ function comment_menu() {
 }
 
 /**
+ * Implements hook_init().
+ */
+function comment_init() {
+  drupal_add_css(drupal_get_path('module', 'comment') . '/comment.css', array('preprocess' => TRUE));
+}
+
+/**
  * Implements hook_menu_alter().
  */
 function comment_menu_alter(&$items) {
@@ -716,7 +723,6 @@ function comment_node_page_additions($no
       $comments = comment_load_multiple($cids);
       comment_prepare_thread($comments);
       $build = comment_view_multiple($comments, $node);
-      $build['#attached']['css'][] = drupal_get_path('module', 'comment') . '/comment.css';
       $build['pager']['#theme'] = 'pager';
       $additions['comments'] = $build;
     }
Index: modules/dblog/dblog.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/dblog/dblog.module,v
retrieving revision 1.53
diff -u -p -r1.53 dblog.module
--- modules/dblog/dblog.module	29 Jun 2010 00:39:15 -0000	1.53
+++ modules/dblog/dblog.module	27 Jul 2010 21:57:42 -0000
@@ -91,7 +91,7 @@ function dblog_menu() {
 function dblog_init() {
   if (arg(0) == 'admin' && arg(1) == 'reports') {
     // Add the CSS for this module
-    drupal_add_css(drupal_get_path('module', 'dblog') . '/dblog.css', array('preprocess' => FALSE));
+    drupal_add_css(drupal_get_path('module', 'dblog') . '/dblog.css');
   }
 }
 
Index: modules/field/field.attach.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/field/field.attach.inc,v
retrieving revision 1.92
diff -u -p -r1.92 field.attach.inc
--- modules/field/field.attach.inc	26 Jul 2010 17:00:13 -0000	1.92
+++ modules/field/field.attach.inc	27 Jul 2010 21:57:43 -0000
@@ -542,7 +542,6 @@ function field_attach_form($entity_type,
 
   // Add custom weight handling.
   list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
-  $form['#attached']['css'][] = drupal_get_path('module', 'field') . '/theme/field.css';
   $form['#pre_render'][] = '_field_extra_fields_pre_render';
   $form['#entity_type'] = $entity_type;
   $form['#bundle'] = $bundle;
@@ -1129,9 +1128,6 @@ function field_attach_view($entity_type,
   $output['#entity_type'] = $entity_type;
   $output['#bundle'] = $bundle;
 
-  // Include CSS styles.
-  $output['#attached']['css'][] = drupal_get_path('module', 'field') . '/theme/field.css';
-
   // Let other modules alter the renderable array.
   $context = array(
     'entity_type' => $entity_type,
Index: modules/field/field.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/field/field.module,v
retrieving revision 1.76
diff -u -p -r1.76 field.module
--- modules/field/field.module	24 Jun 2010 21:37:49 -0000	1.76
+++ modules/field/field.module	27 Jul 2010 21:57:43 -0000
@@ -166,6 +166,13 @@ function field_theme() {
 }
 
 /**
+ * Implements hook_init().
+ */
+function field_init() {
+  drupal_add_css(drupal_get_path('module', 'field') . '/theme/field.css', array('preprocess' => TRUE));
+}
+
+/**
  * Implements hook_cron().
  *
  * Purges some deleted Field API data, if any exists.
@@ -811,7 +818,6 @@ function field_view_field($entity_type, 
 
     if (isset($result[$field_name])) {
       $output = $result[$field_name];
-      $output['#attached']['css'][] = drupal_get_path('module', 'field') . '/theme/field.css';
     }
   }
 
Index: modules/forum/forum.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/forum/forum.module,v
retrieving revision 1.568
diff -u -p -r1.568 forum.module
--- modules/forum/forum.module	24 Jul 2010 17:28:25 -0000	1.568
+++ modules/forum/forum.module	27 Jul 2010 21:57:43 -0000
@@ -221,7 +221,7 @@ function forum_menu_local_tasks_alter(&$
  * Implements hook_init().
  */
 function forum_init() {
-  drupal_add_css(drupal_get_path('module', 'forum') . '/forum.css');
+  drupal_add_css(drupal_get_path('module', 'forum') . '/forum.css', array('preprocess' => TRUE));
 }
 
 /**
Index: modules/help/help.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/help/help.admin.inc,v
retrieving revision 1.11
diff -u -p -r1.11 help.admin.inc
--- modules/help/help.admin.inc	13 Oct 2009 05:26:57 -0000	1.11
+++ modules/help/help.admin.inc	27 Jul 2010 21:57:43 -0000
@@ -11,7 +11,7 @@
  */
 function help_main() {
   // Add CSS
-  drupal_add_css(drupal_get_path('module', 'help') . '/help.css', array('preprocess' => FALSE));
+  drupal_add_css(drupal_get_path('module', 'help') . '/help.css');
   $output = '<h2>' . t('Help topics') . '</h2><p>' . t('Help is available on the following items:') . '</p>' . help_links_as_list();
   return $output;
 }
Index: modules/image/image.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/image/image.admin.inc,v
retrieving revision 1.20
diff -u -p -r1.20 image.admin.inc
--- modules/image/image.admin.inc	24 Apr 2010 14:49:14 -0000	1.20
+++ modules/image/image.admin.inc	27 Jul 2010 21:57:43 -0000
@@ -16,7 +16,7 @@ function image_style_list() {
   $page['image_style_list'] = array(
     '#markup' => theme('image_style_list', array('styles' => $styles)),
     '#attached' => array(
-      'css' => array(drupal_get_path('module', 'image') . '/image.admin.css' => array('preprocess' => FALSE)),
+      'css' => array(drupal_get_path('module', 'image') . '/image.admin.css' => array()),
     ),
   );
 
@@ -48,7 +48,7 @@ function image_style_form($form, &$form_
 
   $form_state['image_style'] = $style;
   $form['#tree'] = TRUE;
-  $form['#attached']['css'][drupal_get_path('module', 'image') . '/image.admin.css'] = array('preprocess' => FALSE);
+  $form['#attached']['css'][drupal_get_path('module', 'image') . '/image.admin.css'] = array();
 
   // Show the thumbnail preview.
   $form['preview'] = array(
@@ -383,7 +383,7 @@ function image_effect_form($form, &$form
   }
 
   $form['#tree'] = TRUE;
-  $form['#attached']['css'][drupal_get_path('module', 'image') . '/image.admin.css'] = array('preprocess' => FALSE);
+  $form['#attached']['css'][drupal_get_path('module', 'image') . '/image.admin.css'] = array();
   if (function_exists($effect['form callback'])) {
     $form['data'] = call_user_func($effect['form callback'], $effect['data']);
   }
Index: modules/locale/locale.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/locale/locale.admin.inc,v
retrieving revision 1.16
diff -u -p -r1.16 locale.admin.inc
--- modules/locale/locale.admin.inc	26 Jun 2010 21:32:20 -0000	1.16
+++ modules/locale/locale.admin.inc	27 Jul 2010 21:57:43 -0000
@@ -784,7 +784,7 @@ function locale_translate_overview_scree
  */
 function locale_translate_seek_screen() {
   // Add CSS.
-  drupal_add_css(drupal_get_path('module', 'locale') . '/locale.css', array('preprocess' => FALSE));
+  drupal_add_css(drupal_get_path('module', 'locale') . '/locale.css');
 
   $elements = drupal_get_form('locale_translation_filter_form');
   $output = drupal_render($elements);
Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.1280
diff -u -p -r1.1280 node.module
--- modules/node/node.module	16 Jul 2010 02:37:06 -0000	1.1280
+++ modules/node/node.module	27 Jul 2010 21:57:43 -0000
@@ -1998,7 +1998,7 @@ function _node_custom_theme() {
  * Implements hook_init().
  */
 function node_init() {
-  drupal_add_css(drupal_get_path('module', 'node') . '/node.css');
+  drupal_add_css(drupal_get_path('module', 'node') . '/node.css', array('preprocess' => TRUE));
 }
 
 function node_last_changed($nid) {
Index: modules/poll/poll.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/poll/poll.module,v
retrieving revision 1.353
diff -u -p -r1.353 poll.module
--- modules/poll/poll.module	19 Jul 2010 22:03:48 -0000	1.353
+++ modules/poll/poll.module	27 Jul 2010 21:57:43 -0000
@@ -31,7 +31,7 @@ function poll_help($path, $arg) {
  * Implements hook_init().
  */
 function poll_init() {
-  drupal_add_css(drupal_get_path('module', 'poll') . '/poll.css');
+  drupal_add_css(drupal_get_path('module', 'poll') . '/poll.css', array('preprocess' => TRUE));
 }
 
 /**
Index: modules/search/search.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/search/search.module,v
retrieving revision 1.352
diff -u -p -r1.352 search.module
--- modules/search/search.module	22 Jul 2010 16:16:42 -0000	1.352
+++ modules/search/search.module	27 Jul 2010 21:57:43 -0000
@@ -98,6 +98,13 @@ function search_help($path, $arg) {
 }
 
 /**
+ * Implements hook_init().
+ */
+function search_init() {
+  drupal_add_css(drupal_get_path('module', 'search') . '/search.css', array('preprocess' => TRUE));
+}
+
+/**
  * Implements hook_theme().
  */
 function search_theme() {
@@ -875,9 +882,6 @@ function search_get_keys() {
  *   An HTML string containing the search form.
  */
 function search_form($form, &$form_state, $action = '', $keys = '', $type = NULL, $prompt = NULL) {
-  // Add CSS
-  drupal_add_css(drupal_get_path('module', 'search') . '/search.css', array('preprocess' => FALSE));
-
   if (!$action) {
     $action = 'search/' . $type;
   }
Index: modules/simpletest/tests/ajax.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/tests/ajax.test,v
retrieving revision 1.11
diff -u -p -r1.11 ajax.test
--- modules/simpletest/tests/ajax.test	30 Apr 2010 08:07:55 -0000	1.11
+++ modules/simpletest/tests/ajax.test	27 Jul 2010 21:57:43 -0000
@@ -53,7 +53,7 @@ class AJAXFrameworkTestCase extends AJAX
    * Test behavior of ajax_render_error().
    */
   function testAJAXRenderError() {
-    $result = $this->drupalGetAJAX('ajax-test/render-error');
+    $result = $this->discardSettings($this->drupalGetAJAX('ajax-test/render-error'));
     // Verify default error message.
     $this->assertEqual($result[0]['command'], 'alert', t('ajax_render_error() invokes alert command.'));
     $this->assertEqual($result[0]['text'], t('An error occurred while handling the request: The server received invalid input.'), t('Default error message is output.'));
@@ -61,7 +61,7 @@ class AJAXFrameworkTestCase extends AJAX
     $edit = array(
       'message' => 'Custom error message.',
     );
-    $result = $this->drupalGetAJAX('ajax-test/render-error', array('query' => $edit));
+    $result = $this->discardSettings($this->drupalGetAJAX('ajax-test/render-error', array('query' => $edit)));
     $this->assertEqual($result[0]['text'], $edit['message'], t('Custom error message is output.'));
   }
 }
Index: modules/simpletest/tests/common.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/tests/common.test,v
retrieving revision 1.116
diff -u -p -r1.116 common.test
--- modules/simpletest/tests/common.test	7 Jul 2010 17:00:43 -0000	1.116
+++ modules/simpletest/tests/common.test	27 Jul 2010 21:57:44 -0000
@@ -621,7 +621,7 @@ class CascadingStylesheetsTestCase exten
   function testRenderInlinePreprocess() {
     $css = 'body { padding: 0px; }';
     $css_preprocessed = '<style type="text/css" media="all">' . drupal_load_stylesheet_content($css, TRUE) . '</style>';
-    drupal_add_css($css, 'inline');
+    drupal_add_css($css, array('type' => 'inline', 'preprocess' => TRUE));
     $styles = drupal_get_css();
     $this->assertEqual(trim($styles), $css_preprocessed, t('Rendering preprocessed inline CSS adds it to the page.'));
   }
@@ -631,7 +631,7 @@ class CascadingStylesheetsTestCase exten
    */
   function testRenderInlineNoPreprocess() {
     $css = 'body { padding: 0px; }';
-    drupal_add_css($css, array('type' => 'inline', 'preprocess' => FALSE));
+    drupal_add_css($css, array('type' => 'inline'));
     $styles = drupal_get_css();
     $this->assertTrue(strpos($styles, $css) > 0, t('Rendering non-preprocessed inline CSS adds it to the page.'));
   }
@@ -641,7 +641,7 @@ class CascadingStylesheetsTestCase exten
    */
   function testRenderInlineFullPage() {
     $css = 'body { font-size: 254px; }';
-    $expected = 'font-size:254px;';
+    $expected = $css;
 
     // Create a node, using the PHP filter that tests drupal_add_css().
     $php_format_id = db_query_range('SELECT format FROM {filter_format} WHERE name = :name', 0, 1, array(':name' => 'PHP code'))->fetchField();
Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.948
diff -u -p -r1.948 system.module
--- modules/system/system.module	26 Jul 2010 03:04:29 -0000	1.948
+++ modules/system/system.module	27 Jul 2010 21:57:44 -0000
@@ -1066,6 +1066,7 @@ function system_library() {
     'js' => array(
       'misc/jquery.js' => array('weight' => JS_LIBRARY - 20),
     ),
+    'preprocess' => TRUE,
   );
 
   // jQuery Once.
@@ -1076,6 +1077,7 @@ function system_library() {
     'js' => array(
       'misc/jquery.once.js' => array('weight' => JS_LIBRARY - 19),
     ),
+    'preprocess' => TRUE,
   );
 
   // jQuery Form Plugin.
@@ -1120,7 +1122,7 @@ function system_library() {
       'misc/farbtastic/farbtastic.js' => array(),
     ),
     'css' => array(
-      'misc/farbtastic/farbtastic.css' => array('preprocess' => FALSE),
+      'misc/farbtastic/farbtastic.css' => array(),
     ),
   );
 
@@ -1816,14 +1818,15 @@ function _system_filetransfer_backend_fo
  * Implements hook_init().
  */
 function system_init() {
+  $path = drupal_get_path('module', 'system');
   // Add the CSS for this module.
   if (arg(0) == 'admin' || (variable_get('node_admin_theme', '0') && arg(0) == 'node' && (arg(1) == 'add' || arg(2) == 'edit' || arg(2) == 'delete'))) {
-    drupal_add_css(drupal_get_path('module', 'system') . '/admin.css', array('weight' => CSS_SYSTEM));
+    drupal_add_css($path . '/admin.css', array('weight' => CSS_SYSTEM));
   }
-  drupal_add_css(drupal_get_path('module', 'system') . '/system.css', array('weight' => CSS_SYSTEM));
-  drupal_add_css(drupal_get_path('module', 'system') . '/system-behavior.css', array('weight' => CSS_SYSTEM));
-  drupal_add_css(drupal_get_path('module', 'system') . '/system-menus.css', array('weight' => CSS_SYSTEM));
-  drupal_add_css(drupal_get_path('module', 'system') . '/system-messages.css', array('weight' => CSS_SYSTEM));
+  drupal_add_css($path . '/system.css', array('weight' => CSS_SYSTEM, 'preprocess' => TRUE));
+  drupal_add_css($path . '/system-behavior.css', array('weight' => CSS_SYSTEM, 'preprocess' => TRUE));
+  drupal_add_css($path . '/system-menus.css', array('weight' => CSS_SYSTEM, 'preprocess' => TRUE));
+  drupal_add_css($path . '/system-messages.css', array('weight' => CSS_SYSTEM, 'preprocess' => TRUE));
 
 
   // Ignore slave database servers for this request.
Index: modules/tracker/tracker.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/tracker/tracker.pages.inc,v
retrieving revision 1.31
diff -u -p -r1.31 tracker.pages.inc
--- modules/tracker/tracker.pages.inc	14 Jan 2010 06:23:40 -0000	1.31
+++ modules/tracker/tracker.pages.inc	27 Jul 2010 21:57:44 -0000
@@ -113,7 +113,7 @@ function tracker_page($account = NULL, $
     '#theme' => 'table',
     '#empty' => t('No content available.'),
     '#attached' => array(
-      'css' => array(drupal_get_path('module', 'tracker') . '/tracker.css' => array('preprocess' => FALSE)),
+      'css' => array(drupal_get_path('module', 'tracker') . '/tracker.css' => array()),
     ),
   );
   $page['pager'] = array(
Index: modules/user/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.module,v
retrieving revision 1.1186
diff -u -p -r1.1186 user.module
--- modules/user/user.module	26 Jul 2010 03:04:29 -0000	1.1186
+++ modules/user/user.module	27 Jul 2010 21:57:44 -0000
@@ -1784,7 +1784,7 @@ function user_menu_site_status_alter(&$m
  * Implements hook_init().
  */
 function user_init() {
-  drupal_add_css(drupal_get_path('module', 'user') . '/user.css');
+  drupal_add_css(drupal_get_path('module', 'user') . '/user.css', array('preprocess' => TRUE));
 }
 
 /**
Index: themes/bartik/template.php
===================================================================
RCS file: /cvs/drupal/drupal/themes/bartik/template.php,v
retrieving revision 1.2
diff -u -p -r1.2 template.php
--- themes/bartik/template.php	11 Jul 2010 22:06:40 -0000	1.2
+++ themes/bartik/template.php	27 Jul 2010 21:57:44 -0000
@@ -23,8 +23,8 @@ function bartik_preprocess_html(&$variab
   }
 
   // Add conditional stylesheets for IE
-  drupal_add_css(path_to_theme() . '/css/ie.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 7', '!IE' => FALSE), 'preprocess' => FALSE));
-  drupal_add_css(path_to_theme() . '/css/ie6.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'IE 6', '!IE' => FALSE), 'preprocess' => FALSE));
+  drupal_add_css(path_to_theme() . '/css/ie.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 7', '!IE' => FALSE)));
+  drupal_add_css(path_to_theme() . '/css/ie6.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'IE 6', '!IE' => FALSE)));
 }
 
 /**
Index: themes/garland/template.php
===================================================================
RCS file: /cvs/drupal/drupal/themes/garland/template.php,v
retrieving revision 1.39
diff -u -p -r1.39 template.php
--- themes/garland/template.php	4 Mar 2010 09:03:08 -0000	1.39
+++ themes/garland/template.php	27 Jul 2010 21:57:44 -0000
@@ -42,7 +42,7 @@ function garland_preprocess_html(&$vars)
     $vars['classes_array'][] = 'fluid-width';
   }
   // Add conditional CSS for IE6.
-  drupal_add_css(path_to_theme() . '/fix-ie.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE), 'preprocess' => FALSE));
+  drupal_add_css(path_to_theme() . '/fix-ie.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE)));
 }
 
 /**
Index: themes/seven/template.php
===================================================================
RCS file: /cvs/drupal/drupal/themes/seven/template.php,v
retrieving revision 1.18
diff -u -p -r1.18 template.php
--- themes/seven/template.php	26 Jul 2010 13:13:23 -0000	1.18
+++ themes/seven/template.php	27 Jul 2010 21:57:44 -0000
@@ -18,9 +18,9 @@ function seven_preprocess_maintenance_pa
  */
 function seven_preprocess_html(&$vars) {
   // Add conditional CSS for IE8 and below.
-  drupal_add_css(path_to_theme() . '/ie.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 8', '!IE' => FALSE), 'preprocess' => FALSE));
+  drupal_add_css(path_to_theme() . '/ie.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 8', '!IE' => FALSE)));
   // Add conditional CSS for IE6.
-  drupal_add_css(path_to_theme() . '/ie6.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE), 'preprocess' => FALSE));
+  drupal_add_css(path_to_theme() . '/ie6.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE)));
 }
 
 /**
