use #, reader literal to write eof-object
use #, reader literal to write eof-object

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