On Sun, 14 Aug 2005, Michael Sperber wrote:

> I'm not sure I understand: Last I looked, the psyntax implementation
> had no source-location tracking at all.  Also, I don't think Chez's
> implementation tracks the location of compound expressions.  How does
> this allow you inferences about the complexity of implementing it?

The latest version does have it, in the sense that it is written to handle and
propagate annotations correctly provided a couple of hooks are supplied.

Cheers
Andre