MDL-14898 upgraded html purifier to 3.1.0 in HEAD

lib/htmlpurifier/HTMLPurifier/HTMLModule/Bdo.php

@@ -1,8 +1,5 @@
 <?php
 
-require_once 'HTMLPurifier/HTMLModule.php';
-require_once 'HTMLPurifier/AttrTransform/BdoDir.php';
-
 /**
  * XHTML 1.1 Bi-directional Text Module, defines elements that
  * declare directionality of content. Text Extension Module.
@@ -10,14 +7,14 @@ require_once 'HTMLPurifier/AttrTransform/BdoDir.php';
 class HTMLPurifier_HTMLModule_Bdo extends HTMLPurifier_HTMLModule
 {
     
-    var $name = 'Bdo';
-    var $attr_collections = array(
+    public $name = 'Bdo';
+    public $attr_collections = array(
         'I18N' => array('dir' => false)
     );
     
-    function HTMLPurifier_HTMLModule_Bdo() {
-        $bdo =& $this->addElement(
-            'bdo', true, 'Inline', 'Inline', array('Core', 'Lang'),
+    public function __construct() {
+        $bdo = $this->addElement(
+            'bdo', 'Inline', 'Inline', array('Core', 'Lang'),
             array(
                 'dir' => 'Enum#ltr,rtl', // required
                 // The Abstract Module specification has the attribute