array('dir' => false)
    );
    /**
     * @param HTMLPurifier_Config $config
     */
    public function setup($config)
    {
        $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[] = new HTMLPurifier_AttrTransform_BdoDir();
        $this->attr_collections['I18N']['dir'] = 'Enum#ltr,rtl';
    }
}
// vim: et sw=4 sts=4