Refutable pattern

Andreas Rossberg rossberg at
Fri Feb 1 11:00:58 PST 2013

On 1 February 2013 18:24, Brandon Benvie <brandon at> wrote:
> A postfix '?' would require backtracking when the next '}' is found...I
> think?

Yeah. I admit that I don't remember much of the earlier discussions on
respective parsing difficulties. Naively, it would seem to me that a
prefix '?' should actually be easier to parse.


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