I recently heard about a QuickTime animation by Rainer Joswig showing an interaction with Genera, but I lost the reference. Where can I find the file? Paolo -- EncyCMUCLopedia * Extensive collection of CMU Common Lisp documentation http://www.paoloamoroso.it/ency/README [http://cvs2.cons.org:8000/cmucl/doc/EncyCMUCLopedia/]