DideC wrote:
> The 'opt has made the difference and now it works, but I'm not sure to
understand why 'opt should be use for paren!.
> 
> I suppose that your last remark (about shorter string after modifying
it) was the problem.

I believe Romano meant that there's a bug in 'parse that it should keep
working through the rule until 'parse comes to a rule that requires
content and fail then. 'Parse should not stop just because it's come to
the end of the input after processing the parenthesis value.

Andrew J Martin
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Grail Jedi.
Colenso High School
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