Right, any lisp is basically a readable (and with macros dynamically editable) AST. The author even suggests XML as a possible format, which is significantly mo

Right, any lisp is basically a readable (and with macros dynamically editable) AST. The author even suggests XML as a possible format, which is significantly more difficult to read and edit than simple s-expressions. Checkout this article for more about lisp s-expressions vs XML. http://www.defmacro.org/ramblings/lisp.html http://www.defmacro.org/ramblings/lisp.html