irst element. The name following &lt;!DOCTYPE
 should be HTML or html. If the doctype-public property is specified,
 then the output method should output PUBLIC followed by the specified
 public identifier; if the doctype-system property is also specified,
 it should also output the specified system identifier following the
 public identifier. If the doctype-system property is specified but
 the doctype-public property is not specified, then the output method
 should output SYSTEM followed by the specified 