[racket] nested require modules and global variable

From: Niitsuma Hirotaka (hirotaka.niitsuma at gmail.com)
Date: Sun Dec 18 06:30:52 EST 2011

How about this?
I add some comment

2011/12/18 Danny Yoo <dyoo at cs.wpi.edu>:
> On Saturday, December 17, 2011, Niitsuma Hirotaka
> <hirotaka.niitsuma at gmail.com> wrote:
>> Is this valid behavior?
> The sub.scm file you posted looks malformed, so some copy-and-paste error
> probably happened.
> Otherwise, can you also say what you expected to see?

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