UTF8 behavior under -T (Taint) mode

Hello,

I have a simple question:

It seems that utf8::decode() does not work for
any tainted variables under the -T (Taint) mode.

Is it right?

Regards,

-- 
Masanori HATA
<lovewing(_at_)dream(_dot_)big(_dot_)or(_dot_)jp>
He's always with us!