See this is Jun 2012 post on perl group speaking of unicode support on development branch:
http://code.activestate.com/lists/perl5-porters/173477/

Now, keep in mind, that std.regex had O(1) trie lookup for these things from day one, because inversion lists with O(lnN) lookup  alone were too slow.

-- 
Dmitry Olshansky

On Wed, 21 Mar 2012 10:12:31 +0100, Dmitry Olshansky <dmitry.olsh@gmail.com> wrote:

> See this is Jun 2012 post on perl group speaking of unicode support on development branch:
> http://code.activestate.com/lists/perl5-porters/173477/
>
> Now, keep in mind, that std.regex had O(1) trie lookup for these things from day one, because inversion lists with O(lnN) lookup  alone were too slow.
>

June 2012, eh? When you're done with it, can I borrow your time machine?

On 21.03.2012 19:54, Simen Kjærås wrote:
> On Wed, 21 Mar 2012 10:12:31 +0100, Dmitry Olshansky
> <dmitry.olsh@gmail.com> wrote:
>
>> See this is Jun 2012 post on perl group speaking of unicode support on
>> development branch:
>> http://code.activestate.com/lists/perl5-porters/173477/
>>
>> Now, keep in mind, that std.regex had O(1) trie lookup for these
>> things from day one, because inversion lists with O(lnN) lookup alone
>> were too slow.
>>
>
> June 2012, eh? When you're done with it, can I borrow your time machine?

Ah, it's a nice typo.
It nevertheless underlines how far behind the perl folks are ;)

-- 
Dmitry Olshansky