Common Lisp Pitfalls

Here is a list of Common Lisp pitfalls compiled by Jeff Dalton. They were originally posted to comp.lang.lisp in 1995. If, like me, you’re a Lisp programmer but you don’t write in Common Lisp everyday, it’s probably a good idea to read over this list now and then to remind yourself of the gotchas that are lurking in Common Lisp.