No, an ID3v1 tag is always written if writing of ID3v1 is activated. That option only tells MP3Tag to write an additional ID3v2 tag if the information you entered either overflows one of the ID3v1 fields or if the information contains characters that are not ASCII.
oooohh....i see...that's the logic...anyway..thanks for helping..anyway i'm happy for being involved on the new mp3Tag build...even i'm so frustrated with my graduation ceremonies awhile ago...thanks again...