Prolog
The Prolog consists of an XML declaration, followed by a DTD declaration, followed by a series of processing instructions.
The XML declaration is either
<?<SP>XML<SP>version="1.0"<SP>encoding="UTF-8"?>
or
<?<SP>XML<SP>version="1.0"<SP>encoding="Shift_JIS"?>
The DTD declaration is
<!DOCTYPE<SP>TTMAKER<SP>SYSTEM<SP>"ttmaker60.dtd">