As seen here (http://www.mylittlekaraoke.com/forum/index.php?topic=261.0), there's an encoding issue somewhere.
à ç ß À Ç é É ? ? ? ? ?
This is probably not a smf issue, but an inefficient database parameter. I'll look into it.
For Polish:
? ? ? ? ó ? ? ? ?
EDIT:
Checking if works:
ą ć ę ł ń ó ś ź ż - ok, works
Let's see about the Hungarians:
Á É Í Ó Ú Ö Ő Ü Ű
The ones missing are the Ö and Ü with lines instead of dots.
Now let's see about the German "Eszet": ß
Should be fixed!
Jup. The Hungarian ones all work now.