This album http://musicbrainz.org/release/79ff15fb-6eca-4c80-8b87-144fcdd93a44 is converted into this
XMAG 81 (CD2) - 2005 - The Best Of ista Stage by this pattern
catalogno + ’ - ’ + year + ’ - ’ + album
Where is missing ? and accent above a ?
Diacrtitics in foldername
Works okay for me on a Mac.
Are you sure you don’t have Preferences/File and Folder Correct/Replace Non-Ascii Characters enabled
youre right, it was checked.