Subject: Re: problem with delete From: Erik Naggum <firstname.lastname@example.org> Date: 2000/10/02 Newsgroups: comp.lang.lisp Message-ID: <email@example.com> * Frode Vatvedt Fjeld <firstname.lastname@example.org> | Really? My understanding of the hyperspec is that DELETE may or may | not modify the list. So what is | | (let ((list '(1 2 3 4))) | (delete 2 list) | list) | | defined to return? Apart from the undefined behavior of modifying a constant, of course, the first cons cell of the original list. (You didn't expect this. :) #:Erik -- If this is not what you expected, please alter your expectations.