commit 38d2333119686d8822e37a8a57bf76b14f50d05a
Author: Stefan Topfstedt <widukind@1097440.no-reply.drupal.org>
Date:   Tue Apr 16 00:16:02 2013 -0400

    1963476_new_changes

diff --git a/core/modules/datetime/datetime.module b/core/modules/datetime/datetime.module
index 7e3c395..3f8ce42 100644
--- a/core/modules/datetime/datetime.module
+++ b/core/modules/datetime/datetime.module
@@ -386,7 +386,7 @@ function template_preprocess_datetime_wrapper(&$variables) {
   $element = $variables['element'];
 
   // If the element is required, a required marker is appended to the label.
-  $required = '';
+  $required = array();
   if (!empty($element['#required'])) {
     $required = array(
       '#theme' => 'form_required_marker',
diff --git a/core/modules/datetime/templates/datetime-wrapper.html.twig b/core/modules/datetime/templates/datetime-wrapper.html.twig
index 3510c59..a105a50 100644
--- a/core/modules/datetime/templates/datetime-wrapper.html.twig
+++ b/core/modules/datetime/templates/datetime-wrapper.html.twig
@@ -9,7 +9,7 @@
  * - title: The title of the form element.
  * - attributes: Remaining HTML attributes for the form wrapper.
  * - required: A renderable required marker if the form element is required,
- *   otherwise a blank string.
+ *   otherwise an empty array.
  *
  * @see template_preprocess()
  * @see template_preprocess_datetime_wrapper()