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Re: POSIX and reduce/reduce conflicts

From: Paul Eggert
Subject: Re: POSIX and reduce/reduce conflicts
Date: Mon, 8 Apr 2002 11:26:01 -0700 (PDT)

> From: Akim Demaille <address@hidden>
> Date: 08 Apr 2002 19:20:17 +0200

> what does POSIX say about reduce/reduce conflicts?

I'm not sure what you're looking for here, but POSIX says that yacc
must report reduce/reduce conflicts (as well as shift/reduce
conflicts) to stderr in an unspecified format.

Also, when there is a reduce/reduce conflict, yacc must reduce by the
grammar rule that occurs earliest in the input.

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