[racket] tutorial: exploring the boundaries of outer space

A few minutes ago, Danny Yoo wrote:
> I'll be releasing an update to my "outer" tutorial shortly, but
> would like to double check that the result I'm aiming toward is of
> good quality before I finish the text.

I still think that the splicing stuff is unnecessarily(?) complicating
things...  (I'm not sure though, since I didn't try it.)

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!