I don't think it is, but I saw a test case here claiming it is: http://www.cs.northwestern.edu/academics/courses/325/programs/exercise-tests.lisp http://www.cs

I don't think it is, but I saw a test case here claiming it is: http://www.cs.northwestern.edu/academics/courses/325/programs/exercise-tests.lisp http://www.cs.northwestern.edu/academics/courses/325/program...