#1169180 - Drupal 7.x - Messaging 7.x-1.0-alpha1 - Element prerendering patch

messaging_fix_element_prerendering-1169180.patch

diff --git messaging_template/messaging_template.module messaging_template/messaging_template.module
index 05eacf2..435a2d3 100644
--- messaging_template/messaging_template.module
+++ messaging_template/messaging_template.module
@@ -121,8 +121,10 @@ function messaging_template_pre_render_element($element) {
     '#method' => $element['#method'],
   );
   foreach (element_children($element) as $index) {
-    $element[$index] = $properties + $element[$index];
-    $element[$index] = messaging_template_pre_render_element($element[$index]);
+	if (!empty($element[$index])) {
+		$element[$index] = $properties + $element[$index];
+		$element[$index] = messaging_template_pre_render_element($element[$index]);
+	}
   }
   return $element;
 }