Hi!

I'm using drupal 6.6 on php5. And i'm korean.
When i upload files with CJK filename by upload module, filname has broken.
example : xxxxxxx.pdf ( xxxxxxx is hangul[korean alphabet] )
uploaded filaname is changed to 'pdf.'

If filename is english, it works finely.
But korean filename has broken.

I current viewing upload module source code, but i can't understand code... (i don't know drupal api & system..)
Please help.