On Mar 8, 2006, at 7:03 PM, Dave Burt wrote:

> Your section on control structures is a little broken. You have  
> "loop do ...
> end while ...". The while condition will only be evaluated once (so  
> it's
> equivalent to "if"), and if true "loop" will repeat the block  
> forever. What
> did you intend this example to do?

Oh yikes!  It's just a poor example and it's what I get for working  
on this in the wee hours of the morning.

I updated it.  Thanks for catching that Dave!

--Steve