[racket] on-line programming languages course

We are making freely available our upper-level programming languages
course.  People anywhere are welcome to participate in this on-line
version.  All the details are here:

http://www.cs.brown.edu/courses/cs173/2012/OnLine/

Please feel free to disseminate this information.

If you have questions, please post them here:

https://plus.google.com/117185293319274359863/posts/9rfginQ3w82

I look forward to seeing you in class!

Shriram Krishnamurthi, Instructor
Joe Gibbs Politz, Associate Instructor