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Break or fixed width delimiters are different than enclosing delimiters.

There's no longer any parens matching.

And not 2 things to keep track of (notice how Bel is both using parens but also following a whitespace convention for readability--that is then stripped and ignored by the compiler).

And also, your program is never in a syntactic error state--such things no longer exist. Semantic errors are still there, of course, but a whole class of errors goes puff.



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