Parser Problem when union contains ORDER BY

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What steps will reproduce the problem?

Please help, i have problem when i run this query
$sql="(SELECT 1 AS `ID`) UNION (SELECT 2 AS `ID`) ORDER BY ID";
$parser=new PHPSQLParser($sql);

Original issue reported on code.google.com by hith2...@gmail.com on 3 Aug 2013 at 6:39