[racket] stumped by a little macro exercise

Yes, you're right; thanks for the clarification.  I'll assume the answer to
my macro-literals question is yes.

On Sat, Oct 9, 2010 at 3:47 PM, Shriram Krishnamurthi <sk at cs.brown.edu>wrote:

> After two steps, do you not get something that looks like this?
>
> [image: mtc.png]
>
> The two mtc's are in different colors.
>
> That is because each came from a different sweep of transformation, so they
> have different marks (colors).  That's precisely the hygiene algorithm at
> work: names introduced together are colored together, names introduced
> separately are colored separately.
>
> Shriram
>
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