Hello Aaron,

With regard to the "skip to" expression, if it's helpful, I got good
> performance results implementing x -> t as a fresh non-terminal (like
> repetition):
>
> N := t / x N
>
> It uses the ordered choice property of PEGs to avoid double-testing t as
> in (!t x)* t
>
Well, s= (e)* in PEG is equivalen to s= S ; S = e S | epsilon.

I’ve thought about using recursion to resolve closures in TatSu, to make
the code clearer, and the algorithms “prettier”, but iteration is much more
effective in Python.

Cheers!
​
-- 
Juancarlo *Añez*
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