[Announce] Unicode::Collate 0.21

[SADAHIRO Tomoyuki]

Hello, all.

Unicode::Collate 0.21 is uploaded to CPAN.

* Some tests are added for UCA version 9.
* "keys.txt" is based on allkeys-3.1.1.txt, on Unicode 3.1.1.
  The size of "keys.txt" is reduced about to half.

Regards,
SADAHIRO Tomoyuki