[racket] confusion about shadowing predefined functions in interactions window

On 2012-10-23 08:48:35 -0700, Dan Grossman wrote:
>    Thanks, David.* I would be interested in someone walking through how this
>    behavior arises -- as well as the design issue regarding the "hopeless
>    top-level"

A few months ago, I collected all of the instances of "the top-level is
hopeless" that I could find from the archives and collected them here:
  https://gist.github.com/3083053

I think this e-mail in particular is relevant:
  http://lists.racket-lang.org/users/archive/2008-September/027474.html

Cheers,
Asumu