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Re: [PATCH] Do not allow identifiers that start with a negative number.

From: Joel E. Denny
Subject: Re: [PATCH] Do not allow identifiers that start with a negative number.
Date: Thu, 6 Jan 2011 21:23:48 -0500 (EST)
User-agent: Alpine 2.00 (DEB 1167 2008-08-23) 
Hi Alex,

On Thu, 6 Jan 2011, Alex Rozenman wrote:

> Regarding the documentation, I am not sure that we need to document this. It
> looks like a regular bug fix.
> It is a common sense that identifiers can not start from numbers.

That doesn't explain why Bison now rejects --33-- as a symbol.  Maybe we 
should fix that?

> P.S. Or you meant other changes in documentation ?

The following statement appears in NEWS under 2.5 but is now incorrect:

  grammar symbol names may include dashes in any position,

A similar statement appears in the manual.
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