I'm reminded of this "rambling", where the author shares his enlightenment experience with Lisp macros and a comparison with XML:

http://www.defmacro.org/ramblings/lisp.html

BC

-----Original Message----- From: Abram Hindle [mailto:abram.hindle@softwareprocess.es] Sent: Friday, October 30, 2009 9:10 PM To: toronto-lisp@common-lisp.net Subject: [toronto-lisp] More Sexprs versus XML links

http://rwmj.wordpress.com/2009/10/30/xml-or-s-expressions/

and

http://c2.com/cgi/wiki?XmlIsaPoorCopyOfEssExpressions

More on S-expres http://c2.com/cgi/wiki?EssExpressions

abram