>Unless you want just Scheme-emulation in Common Lisp (that's trivial), Not really. See Pseudo-Scheme. Rainer Joswig, Lavielle EDV Systemberatung GmbH & Co, Lotharstrasse 2b, D22041 Hamburg, Tel: +49 40 658088, Fax: +49 40 65808-202, Email: joswig@lavielle.com , WWW: http://www.lavielle.com/~joswig/