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