--- Comment #31 from Eric Blake <eblake at redhat dot com> ---
(In reply to Florian Weimer from comment #14)
> (In reply to Rich Felker from comment #13)
> > I think bracket range expressions should just always be codepoint ranges.
> > They can't reliably be used for anything else (since the behavior isn't
> > specified), but anything else severely violates the principle of least
> > surprise.
> Codepoint-based ranges would address my concerns.
> I was just trying to come up with something that would open a backdoor to
> get access to collation-order-based ranges in case they are needed (because
> some people seem to like them). But I can't see a useful application for
> them, either.
If you NEED collation-order-based range, we could spell it [[.0.]-[.9.]] (that
is, the range between the two collating sequences.
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