Andre van Tonder <[EMAIL PROTECTED]> writes:

> For each identifier, the expander needs to keep track of its binding
> at all different levels of the syntactic tower.

I would say: for each level of the syntactic tower, the expander needs
to keep track of bindings of all identifiers there.

-- 
   __("<         Marcin Kowalczyk
   \__/       [EMAIL PROTECTED]
    ^^     http://qrnik.knm.org.pl/~qrczak/

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