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

[Paul Eggert]

On 01/24/2011 07:47 PM, Joel E. Denny wrote:
> Named references are experimental, and 
> omitting semicolons is deprecated, so I don't see any pressing need to 
> address this now.

OK, but this would mean that we would allow grammars that have
named references but omit semicolons, and this would mean
trouble later if we start rejecting such grammars.

Hmm, how about if we work around the problem for now,
by refusing to accept such grammars?  That is, we have one
variable keep track whether named references are used, and another
to keep track whether any semicolons are omitted, and exit
with nonzero status if both variables are set.  That would
be a small change to what we have now, and would allow us
freedom of implementation later.