The author is a <i>very</i> competent Lisper; author of Postmodern:<p><a href="http://common-lisp.net/project/postmodern/" rel="nofollow">http://common-lisp.net/project/postmodern/</a><p>:-)<p>Edit: Holly crap, he wrote a few other things as well:<p><a href="http://marijn.haverbeke.nl/" rel="nofollow">http://marijn.haverbeke.nl/</a>