array('dir' => false) ); 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 // inclusions wrong for bdo: bdo allows Lang ) ); $bdo->attr_transform_post['required-dir'] = new HTMLPurifier_AttrTransform_BdoDir(); $this->attr_collections['I18N']['dir'] = 'Enum#ltr,rtl'; } }