no need to handle set!/if/begin syntaces at macroexpansion stage
no need to handle set!/if/begin syntaces at macroexpansion stage

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