xmlTextWriterStartElement (odt->content_wtr, _xml("text:h"));
xmlTextWriterWriteFormatAttribute (odt->content_wtr,
_xml("text:outline-level"), "%d", 2);
xmlTextWriterStartElement (odt->content_wtr, _xml("text:h"));
xmlTextWriterWriteFormatAttribute (odt->content_wtr,
_xml("text:outline-level"), "%d", 2);