On Thu, May 17, 2012 at 2:45 PM, Rupert Swarbrick <rswarbrick at gmail.com>wrote: > Why on Earth would you do that? Proving Greenspun's 10th rule right in a > system hosted in Lisp would be downright depressing... Maxima has always done that: meval is similar to eval, but different, and shares no code. -s