    public function setup($config) {
        $contents = 'Chameleon: #PCDATA | Inline ! #PCDATA | Flow';
        $attr = array(
            'cite' => 'URI',
            // 'datetime' => 'Datetime', // not implemented
        );
        $this->addElement('del', 'Inline', $contents, 'Common', $attr);
        $this->addElement('ins', 'Inline', $contents, 'Common', $attr);
    }
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.