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Re: Multiple, different, %merge of a token sequence

From: Paul Eggert
Subject: Re: Multiple, different, %merge of a token sequence
Date: Wed, 03 May 2006 16:31:56 -0700
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)

"Joel E. Denny" <address@hidden> writes:

> One characteristic of the underlying problem is that Bison-generated 
> parsers are not careful about how they merge parse trees.

This all sounds vaguely familiar.  Have you read Scott et al, where
they talk about the bugs in Tomita's original algorithm?  It might be
worth a look-see, if only to catch similar bugs in Bison's GLR


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