support extra features

includes/mdutils.php

@@ -11,7 +11,7 @@ function loadmdfile($file) {
 
 function md($text) {
 	require 'vendor/autoload.php';
-	$Extra = new \Noi\ParsedownRubyText();
+	$Extra = new \Noi\ParsedownExtraRubyText();
 	echo $Extra->text($text);
 }