update benz (improve compliance)
update benz (improve compliance)

ktakashi/picrin,dcurrie/picrin,omasanori/picrin,leavesbnw/picrin,picrin-scheme/picrin,omasanori/picrin,picrin-scheme/picrin,leavesbnw/picrin,koba-e964/picrin,koba-e964/picrin,koba-e964/picrin,dcurrie/picrin,ktakashi/picrin,leavesbnw/picrin,ktakashi/picrin