Now that the original ELIZA code is available (elizagen.org), we should figure out how to make it run. It's in MAD-SLIP. There's an Open Source MAD interpreter (due to ESR:  and JW published most of SLIP (with the notable exception of YMATCH and ASSMBL -- but these are well documented).Oh...right, a question: Is there an open source challenges page where where folks could publish problems like this one?