commit 745832a111d8fc96603d34a31ee20190cdd38a2c
Author: Shane Auckland <shane.auckland@gmail.com>
Date:   Fri Apr 12 15:43:01 2013 +0100

    1898480-new_changes

diff --git a/core/includes/form.inc b/core/includes/form.inc
index 8bd75da..730398e 100644
--- a/core/includes/form.inc
+++ b/core/includes/form.inc
@@ -4762,6 +4762,30 @@ function template_preprocess_form_element_label(&$variables) {
 }
 
 /**
+ * Preprocess variables for exposed filters templates.
+ *
+ * Default template: exposed-filters.html.twig.
+ *
+ * @param $variables
+ *   An associative array containing:
+ *   - form: An associative array containing the structure of the form.
+ */
+function template_preprocess_exposed_filters(&$variables) {
+  $form = $variables['form'];
+
+  $variables['items'] = '';
+  if (isset($form['current'])) {
+    $items = array();
+    foreach (element_children($form['current']) as $key) {
+      $items[] = drupal_render($form['current'][$key]);
+    }
+    $variables['items'] .= theme('item_list', array('items' => $items, 'attributes' => array('class' => array('clearfix', 'current-filters'))));
+  }
+
+  $variables['form'] = drupal_render_children($form);
+}
+
+/**
  * Sets a form element's class attribute.
  *
  * Adds 'required' and 'error' classes as needed.
diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 71c9eca..021b3dc 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -3287,6 +3287,7 @@ function drupal_common_theme() {
     ),
     'exposed_filters' => array(
       'render element' => 'form',
+      'template' => 'exposed-filters',
     ),
     'checkboxes' => array(
       'render element' => 'element',
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 18a5a89..c5fdd54 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -3924,35 +3924,6 @@ function theme_system_settings_form($variables) {
 }
 
 /**
- * Returns HTML for an exposed filter form.
- *
- * @param $variables
- *   An associative array containing:
- *   - form: An associative array containing the structure of the form.
- *
- * @return
- *   A string containing an HTML-formatted form.
- *
- * @ingroup themeable
- */
-function theme_exposed_filters($variables) {
-  $form = $variables['form'];
-  $output = '';
-
-  if (isset($form['current'])) {
-    $items = array();
-    foreach (element_children($form['current']) as $key) {
-      $items[] = $form['current'][$key];
-    }
-    $output .= theme('item_list', array('items' => $items, 'attributes' => array('class' => array('clearfix', 'current-filters'))));
-  }
-
-  $output .= drupal_render_children($form);
-
-  return '<div class="exposed-filters">' . $output . '</div>';
-}
-
-/**
  * Implements hook_admin_paths().
  */
 function system_admin_paths() {
diff --git a/core/modules/system/templates/exposed-filters.html.twig b/core/modules/system/templates/exposed-filters.html.twig
new file mode 100644
index 0000000..a9904e4
--- /dev/null
+++ b/core/modules/system/templates/exposed-filters.html.twig
@@ -0,0 +1,20 @@
+{#
+/**
+ * @file
+ * Default theme implementation of an exposed filter form.
+ *
+ * Available variables:
+ *   - form: An associative array containing the structure of the form.
+ *
+ * @see template_preprocess()
+ * @see template_preprocess_exposed_filters()
+ *
+ * @ingroup themeable
+ */
+#}
+<div class="exposed-filters">
+  {% if items %}
+    {{ items }}
+  {% endif %}
+  {{ form }}
+</div>