This works for me using Clozure 64-bit on OSX, evaluating each form in Slime. What Lisp and OS are you using? I'm using Lispworks on win xp. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mailman.common-lisp.net/pipermail/tbnl-devel/attachments/20100617/d80d0ebb/attachment.html>