Constructor for creating a new rdf:HTML literal
mixed $value The HTML fragment:
string $lang Should be null (literals with a datatype can't have a language):
string $datatype Optional datatype (default 'rdf:HTML'):
object EasyRdf_Literal_HTML
Overrides EasyRdf_Literal::__construct
public function __construct($value, $lang = null, $datatype = null) {
parent::__construct($value, null, $datatype);
}