[racket] Key events, shift, and, get-shift-key-code

From: Jens Axel Søgaard (jensaxel at soegaard.net)
Date: Fri Jan 2 09:51:13 EST 2015

I found an old thread on the mailing list asking about using the
Option key as Meta in DrRacket.
Is this the missing piece?

Posted on the users mailing list.