Ticket #20897: 20897.diff

wp-includes/deprecated.php

@@ -3114 +3114 @@
                 'AuthorName' => $theme->display('Author', false, false),
         );
 
+        foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
+                $theme_data[ $extra_header ] = $theme->get( $extra_header );
+        }
+
         return $theme_data;
 }