/** Fix the content-type and encoding of this entity */
protected function fixHeaders()
{
parent::fixHeaders();
if (count($this->getChildren())) {
$this->setHeaderParameter('Content-Type', 'charset', null);
$this->setHeaderParameter('Content-Type', 'format', null);
$this->setHeaderParameter('Content-Type', 'delsp', null);
} else {
$this->setCharset($this->userCharset);
$this->setFormat($this->userFormat);
$this->setDelSp($this->userDelSp);
}
}