On Mon, May 02, 2005 at 01:52:52AM +0900, Izumi Tsutsui wrote: > Isn't it better to test ((mbc->buf[0] & 0x80) == 0) for readability > if it checks control characters? In this case it doesn't, the line was: mbc->buf[0] >= 0x00 && mbc->buf[0] <= 0x1F Thomas