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On 22/03/2012 16.44, Roberto Ierusalimschy wrote:
What feature are being limited? How?

The ability to efficiently use long strings as table keys (assuming I understood correctly the implications of not being able to restore the previous behavior, not even by changing a header and recompiling). Not all programs need long string keys to be efficient (i.e. interned), but for those needing it (now or in the future) it would be useful to retain the choice.

--
  Enrico