quote used to mark data as opposed to code can be tricky while using CDR & CAR : http://stackoverflow.com/questions/18697105/cdadr-on-nested-data-list-in-lisp h

quote used to mark data as opposed to code can be tricky while using CDR & CAR : http://stackoverflow.com/questions/18697105/cdadr-on-nested-data-list-in-lisp http://stackoverflow.com/questions/18697105/cdadr-on-nested-...