[plt-scheme] #%app and tail recursion

On Thu, 17 Jul 2003, Anton van Straaten wrote:
> Maybe I'm overly optimistic, but having briefly looked at the docs for
> EnvDraw, it looks to me as though integrated with PLT Scheme, without a
> meta-circular evaluator, it could be quite a useful debugging tool.
>
> Quoting (heavily edited) from
> http://www.xcf.berkeley.edu/~jmacd/envdraw/node3.html :

We'll see how far I get.. But even if I dont port everything from the old
envdraw, like stepping, there's no reason why someone else couldnt add it.

So far I've only ported the box n pointer diagrammer part of envdraw
(called view).