commit 9c16ce4cadc80334c15ae246cd3c0811ac06eb40
Author: Joel Pittet <joel@pittet.ca>
Date:   Fri May 10 20:26:35 2013 -0700

    cap ID and lowercase V to v

diff --git a/core/modules/views/templates/views-exposed-form.html.twig b/core/modules/views/templates/views-exposed-form.html.twig
index 78b85ac..3768d09 100644
--- a/core/modules/views/templates/views-exposed-form.html.twig
+++ b/core/modules/views/templates/views-exposed-form.html.twig
@@ -1,21 +1,21 @@
 {#
 /**
  * @file
- * Default theme implementation of a Views exposed form.
+ * Default theme implementation of a views exposed form.
  *
  * Available variables:
  * - 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.
+ *   - id: The ID of the widget, or an empty string.
  *   - 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_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.
+ * - 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.
  *
diff --git a/core/modules/views/views.theme.inc b/core/modules/views/views.theme.inc
index 7926754..1dd4666 100644
--- a/core/modules/views/views.theme.inc
+++ b/core/modules/views/views.theme.inc
@@ -939,7 +939,7 @@ function template_preprocess_views_view_row_rss(&$vars) {
 }
 
 /**
- * Prepares variables for Views exposed form templates.
+ * Prepares variables for views exposed form templates.
  *
  * Default template: views-exposed-form.html.twig.
  *
@@ -990,7 +990,7 @@ function template_preprocess_views_exposed_form(&$vars) {
   if (!empty($checkboxes)) {
     $widget = new stdClass();
     // set up defaults so that there's always something there.
-    $widget->label = $widget->operator = $widget->widget = '';
+    $widget->label = $widget->operator = $widget->widget = NULL;
     $widget->id = 'checkboxes';
     $widget->widget = $checkboxes;
     $vars['widgets']['checkboxes'] = $widget;