More :-) - "A symbol that begins with a vertical bar (|) is a quoted symbol." That's circular and probably incorrect :-) I think a better way to describe it would be to extend the R5RS grammar. If we're getting into lexical syntax at all, this should probably be done generally. - "prehaps" -> "perhaps" -- Cheers =8-} Mike Friede, V?lkerverst?ndigung und ?berhaupt blabla