On Fri, Aug 11, 2006 at 04:43:55PM +0100, Alberto Simões wrote:
> Hi
>
> Today in #parrot a question was done:
>
> rule foo { <bar>* }
>
> should be considered:
>
> rule foo { <?ws><bar>*<?ws> }
>
> or
>
> rule foo { <?ws>(<bar><?ws>)* }
In the past we've always gone with the former.
If <bar> is also a rule, then it presumably
eats its own whitespace. If one wants
to grab the whitespace as well, as in the
latter example, it's not too difficult to write
rule foo { [<bar> ]* }
Pm
