This component of Racket is distributed under the Apache 2.0
and MIT licenses. The user can choose the license under which they
will be using the software.

See the files
  https://github.com/racket/racket/blob/master/racket/src/LICENSE-APACHE.txt
and
  https://github.com/racket/racket/blob/master/racket/src/LICENSE-MIT.txt
for the full text of the licenses.
