$xp = xml_parser_create($this->encoding);
xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, 0);
xml_set_object($xp, $this);
$xp = xml_parser_create($this->encoding);
xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, 0);
xml_set_object($xp, $this);