error on line 18 at column 47: Namespace prefix wml on do is not defined error on line 19 at column 42: Namespace prefix wml on go is not defined error on line 21 at column 45: Namespace prefix wml on do is not defined error on line 22 at column 11: Namespace prefix wml on noop is not defined error on line 28 at column 33: AttValue: " or ' expected