protected void writeHtmlComponent(HtmlComponent htmlComponent, ComponentKey componentKey,
JRXmlWriter reportWriter) throws IOException {
JRXmlWriteHelper writer = reportWriter.getXmlWriteHelper();
XmlNamespace namespace = new XmlNamespace(
HtmlComponentExtensionsRegistryFactory.NAMESPACE,
componentKey.getNamespacePrefix(),
HtmlComponentExtensionsRegistryFactory.XSD_LOCATION);
writer.startElement("html", namespace);