Mon May 20 15:50:47 EDT 2013

Is it too crufty?

The collection of ad-hoc extensions makes it hard to see what is
happening where.  The ai-array code is too complicated.

However, the meaning of the language itself is quite straightforward,
which can be seen in the relative simplicityt of ai-stream.rkt

So maybe this should just be left as is, since the complexity is quite