Scroll up a couple paragraphs from:
http://search.cpan.org/~jesse/perl-5.12.0/pod/perl5120delta.pod#Unicode_overhaul
On Wed, 14 Apr 2010, Brian E. Lozier wrote:
> Details on which libraries?
--
Andrew B. Sweger -- The great thing about multitasking is that several
things can go wrong at once.