1crlf = %d13.10 2 3command = "command string" 4 5char-line = %x0D.0A *(%x20-7E) %x0D.0A 6 7without-ws-and-ctl = %d1-8 / %d11 / %d12 / %d14-31 / %d127 8 9three-blank-lines = %x0D.0A.0D.0A.0D.0A 10