--- MailFormatHelper.php	2015-11-13 06:21:34.000000000 -0500
+++ MailFormatHelper.php.nocaps	2015-11-16 16:38:07.328399924 -0500
@@ -226,12 +226,10 @@
           // Fancy headers.
           case 'h1':
             $indent[] = '======== ';
-            $casing = '\Drupal\Component\Utility\Unicode::strtoupper';
             break;
 
           case 'h2':
             $indent[] = '-------- ';
-            $casing = '\Drupal\Component\Utility\Unicode::strtoupper';
             break;
 
           case '/h1':