On Mon, 19 Dec 2005, Akim Demaille wrote:
> I'd like to see 2.2 out in January if we can, so I'd like to close
> this file. Do we agree that:
>
> - we desire a warning about typed $n not used in the actions. A
> simple macro that ignores its argument suffice to avoid the
> complaints.
>
> - we desire that in all the skeletons no $n is ever freed from an
> "active" rule, even if we leave it using YYACCEPT, YYERROR, or
> YYABORT.
I agree.
Do these rules also apply to implicit actions? That is, no user-specified
action still means exactly {$$ = $1;}, and that may result in warnings
about unused $n? For the sake of simplicity, this is my preference.
Joel
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