commit e56b3b0c310df375aceabdbcee0d8740ca8c8a0c
Author: Joel Pittet <joel@pittet.ca>
Date:   Fri Apr 19 18:00:27 2013 -0700

    doc cleanup, revert is defined and -> and remove drupal_render() calls

diff --git a/core/modules/views/templates/views-exposed-form.html.twig b/core/modules/views/templates/views-exposed-form.html.twig
index 74b4d94..78b85ac 100644
--- a/core/modules/views/templates/views-exposed-form.html.twig
+++ b/core/modules/views/templates/views-exposed-form.html.twig
@@ -1,27 +1,28 @@
 {#
 /**
  * @file
- * Default theme implementation of a views exposed form.
+ * Default theme implementation of a Views exposed form.
  *
  * Available variables:
- * - widgets: An array of exposed form widgets. Each widget contains:
- *   - label: The sanitized label of the widget, or NULL.
+ * - widgets: A list of exposed form widgets. Each widget contains:
+ *   - label: The sanitized label of the widget.
  *   - id: The id of the widget, or an empty string.
- *   - operator: The rendered select element for the operator widget,
- *      or NULL.
- *   - description: The sanitized description of the widget, or NULL.
- *   - widget: The rendered widget itself.
- * - sort_by: If defined, the rendered select element to sort the view.
- * - sort_order: If 'sort_by' is defined, the rendered select element
- *    with the ASC, DESC options to define order.
- * - items_per_page: If defined, a rendered select element for the available
- *    items per page.
- * - offset: If defined, a textfield to define the offset of the view.
- * - reset_button: If defined, a button to reset the exposed filter applied.
+ *   - operator: The select element for the operator widget.
+ *   - description: The sanitized description of the widget.
+ *   - widget: The widget itself.
+ *   - index: the widget's row index.
+ * - sort_by: An optional select element to sort the View by fields.
+ * - sort_order: An optional select element with ascending or
+ *   descending order options.
+ * - items_per_page: An optional select element for the available items per page.
+ * - offset: An optional textfield to define the offset of the View.
+ * - reset_button: An optional button to reset the exposed filter applied.
  * - button: The submit button for the form.
  *
+ * @see template_preprocess()
+ * @see template_preprocess_views_exposed_form()
+ *
  * @ingroup themeable
- * @ingroup views_templates
  */
 #}
 {% if q is not empty %}
@@ -33,8 +34,8 @@
 {% endif %}
 <div class="views-exposed-form">
   <div class="views-exposed-widgets clearfix">
-    {% for widget in widgets %}
-      <div id="{{ widget.id }}-wrapper" class="views-exposed-widget views-widget-{{ id }}">
+    {% for index, widget in widgets %}
+      <div id="{{ widget.id }}-wrapper" class="views-exposed-widget views-widget-{{ index }}">
           {% if widget.label %}
           <label for="{{ widget.id }}">
             {{ widget.label }}
@@ -55,7 +56,7 @@
         {% endif %}
       </div>
     {% endfor %}
-    {% if sort_by is defined %}
+    {% if sort_by %}
       <div class="views-exposed-widget views-widget-sort-by">
         {{ sort_by }}
       </div>
@@ -63,12 +64,12 @@
         {{ sort_order }}
       </div>
     {% endif %}
-    {% if items_per_page is defined %}
+    {% if items_per_page %}
       <div class="views-exposed-widget views-widget-per-page">
         {{ items_per_page }}
       </div>
     {% endif %}
-    {% if offset is defined %}
+    {% if offset %}
       <div class="views-exposed-widget views-widget-offset">
         {{ offset }}
       </div>
@@ -76,7 +77,7 @@
     <div class="views-exposed-widget views-submit-button">
       {{ button }}
     </div>
-    {% if reset_button is defined %}
+    {% if reset_button %}
       <div class="views-exposed-widget views-reset-button">
         {{ reset_button }}
       </div>
diff --git a/core/modules/views/templates/views-mini-pager.html.twig b/core/modules/views/templates/views-mini-pager.html.twig
new file mode 100644
index 0000000..f268881
--- /dev/null
+++ b/core/modules/views/templates/views-mini-pager.html.twig
@@ -0,0 +1,16 @@
+{#
+/**
+ * @file
+ * Default theme implementation for a Views mini-pager.
+ *
+ * Available variables:
+ * - items: A list of pager elements.
+ * - pager: A themed list of pager elements.
+ *
+ * @see template_preprocess()
+ * @see template_preprocess_views_mini_pager()
+ *
+ * @ingroup themeable
+ */
+#}
+{{ pager }}
diff --git a/core/modules/views/views.theme.inc b/core/modules/views/views.theme.inc
index 02953d1..b841fe6 100644
--- a/core/modules/views/views.theme.inc
+++ b/core/modules/views/views.theme.inc
@@ -940,74 +940,75 @@ function template_preprocess_views_view_row_rss(&$vars) {
  *
  * Default template: views-exposed-form.html.twig.
  *
- * @param array $variables
+ * @param array $vars
  *   An associative array containing:
  *   - form: A render element representing the form.
  */
-function template_preprocess_views_exposed_form(&$variables) {
-  $form = &$variables['form'];
+function template_preprocess_views_exposed_form(&$vars) {
+  $form = &$vars['form'];
 
   // Put all single checkboxes together in the last spot.
-  $checkboxes = '';
+  $checkboxes = array();
 
   if (!empty($form['q'])) {
-    $variables['q'] = drupal_render($form['q']);
+    $vars['q'] = $form['q'];
   }
 
-  $variables['widgets'] = array();
+  $vars['widgets'] = array();
   foreach ($form['#info'] as $id => $info) {
     // Set aside checkboxes.
     if (isset($form[$info['value']]['#type']) && $form[$info['value']]['#type'] == 'checkbox') {
-      $checkboxes .= drupal_render($form[$info['value']]);
+      $checkboxes[] = $form[$info['value']];
       continue;
     }
     $widget = new stdClass();
     // set up defaults so that there's always something there.
-    $widget->label = $widget->operator = $widget->widget = $widget->description = NULL;
+    $widget->label = $widget->operator = $widget->widget = $widget->description = '';
 
     $widget->id = isset($form[$info['value']]['#id']) ? $form[$info['value']]['#id'] : '';
-
+    debug($form[$info['value']]['#id']);
+    debug($widget->id);
     if (!empty($info['label'])) {
       $widget->label = check_plain($info['label']);
     }
-    if (!empty($info['operator'])) {
-      $widget->operator = drupal_render($form[$info['operator']]);
+    if (!empty($info['operator']) && isset($form[$info['operator']])) {
+      $widget->operator = $form[$info['operator']];
     }
 
-    $widget->widget = drupal_render($form[$info['value']]);
+    $widget->widget = $form[$info['value']];
 
     if (!empty($info['description'])) {
       $widget->description = check_plain($info['description']);
     }
 
-    $variables['widgets'][$id] = $widget;
+    $vars['widgets'][$id] = $widget;
   }
 
   // Wrap up all the checkboxes we set aside into a widget.
-  if ($checkboxes) {
+  if (!empty($checkboxes)) {
     $widget = new stdClass();
     // set up defaults so that there's always something there.
-    $widget->label = $widget->operator = $widget->widget = NULL;
+    $widget->label = $widget->operator = $widget->widget = '';
     $widget->id = 'checkboxes';
     $widget->widget = $checkboxes;
-    $variables['widgets']['checkboxes'] = $widget;
+    $vars['widgets']['checkboxes'] = $widget;
   }
 
   if (isset($form['sort_by'])) {
-    $variables['sort_by'] = drupal_render($form['sort_by']);
-    $variables['sort_order'] = drupal_render($form['sort_order']);
+    $vars['sort_by'] = $form['sort_by'];
+    $vars['sort_order'] = $form['sort_order'];
   }
   if (isset($form['items_per_page'])) {
-    $variables['items_per_page'] = drupal_render($form['items_per_page']);
+    $vars['items_per_page'] = $form['items_per_page'];
   }
   if (isset($form['offset'])) {
-    $variables['offset'] = drupal_render($form['offset']);
+    $vars['offset'] = $form['offset'];
   }
   if (isset($form['reset'])) {
-    $variables['reset_button'] = drupal_render($form['reset']);
+    $vars['reset_button'] = $form['reset'];
   }
   // This includes the submit button.
-  $variables['button'] = drupal_render_children($form);
+  $vars['button'] = drupal_render_children($form);
 }
 
 /**