Managed to track down that post, thanks for the pointer.
herby-t posted it on March 13,2011 (in german)
/t/11709/1
somenick and dano were discussing UTF-8 and unicode support which might be related, I'll try and unravel that latter.
If you are refering to mp3tag Options > Tags >
it looks right to me. I'll do some reading on ID3 and related to gain a better understanding.
Thank You and Good Night.