Joel E. Denny wrote:
I haven't had a chance to look through your actual patch, and it might be a while. I believe it needs to wait until after 2.2 is out anyway. If no one else gets to it first, I will look at it eventually.

So far, so good.  Anyway, you might prefer to implement a variant of
Tomita's algorithm so that the hidden left-recursion case ceases to be a
problem.

  The best known variant seems to be described in

Nozohoor-Fashi, R.: _GLR_parsing_for_epsilon-grammars_.  In Tomita, M.,
ed.: Generalized LR parsing.  Kluwer Academic Publishers, Netherlands
(1991) 60--75

  Another interesting variant seems to be described in

Scott, E., Johnstone, A.: _Reducing_non-determinism_in_reduction_
_modified_GLR_parsers_.  Acta Informatica 40:6-7 (2004) 459--489

--
Regards,

  Sylvain


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