[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: MCL bug??

You're modifying a quoted constant '(nil nil), definitely something to be
avoided in Common Lisp. Also, you're confusing the scope of the variable list1
and its value (nil nil).
In such cases, build a new value each time : instead of '(nil nil), use
(list nil nil).