http://blogs.msdn.com/ericlippert/archive/2003/09/18/53053.aspxI vaguely recall that Waldemar had built a reference implementation of ECMAScript 4 in his metalanguage, and an implementation of the metalanguage in Common Lisp. Like I said, that guy is hard core.en-USCommunityServer 2.1 SP1 (Build: 61025.2)