[plt-scheme] DrScheme Debug button

I'm guessing that the HtDP languages install their own eval-handler that 
bypasses the one installed by the debug tool.  That would explain why the 
button behaves identically to Execute.

On Tue, 13 Sep 2005, Prabhakar Ragde wrote:

> Gregory Cooper wrote:
>> 
>> Could you send me the code you are trying to debug.  Which language level 
>> are you using?
>
> I just typed something in to try it out, something like
>
> (define (f x) (* x x))
>
> (f 3)
> (f 5)
>
> I had tried something a little more elaborate (solutions to the first 
> assignment in the HtDP course I'm teaching, five questions using a teachpack) 
> and got the same sort of behaviour.
>
> I think I was running Beginning Student, but I tried it with Intermediate 
> with Lambda also.
>
> My immediate purpose is to be able to answer student questions of the form 
> "What does that 'Debug' button do?" So I'm not really looking for full 
> functionality; on the other hand, "It appears to do nothing" is not that 
> satisfactory an answer. --PR
>