I see what you're saying. If the options at the bottom of the form were in the disc numbering section, then I would not be able to control when MP3Tag determines a new disc (to reset my track number) unless I actually choose to renumber discs as well (which I may not want to do).
I realize that everyone sees it differently so there is no right or wrong. I guess I see it working like this:
[ ] Track Number
....Begin at track number: 1
....[ ] Save total count of tracks: 1
....[ ] Leading zeroes for track numbers (01, 02, ...)
....[ ] Reset track number/counter on disc change
....[ ] Reset track number/counter on change of
[ ] Disc Number
....Begin at disc number 1
....[ ] Save total count of discs 1
....[ ] Leading zeroes for disc numbers (01, 02, ...)
....[ ] Reset disc counter on change of
[ ] Next disc on change of folder
[ ] Next disc on change of
I don't think "Reset disc counter" affects anything but disc numbering so it could be in the disc numbering section. Maybe I'm wrong.
That would leave just the two options at the bottom related to how MP3Tag determines a new disc. I think it functionally groups well.
I added the option "Reset track number/counter on disc change" to the track numbering section. This just says reset the track number if the disc changes (or not). How we actually determine a disc change is based on the options at the bottom. I could change those options and my track numbering would simply follow if I chose.
I also added "Reset track number/counter on change of" because if anyone tried to batch convert multiple albums with my numbering scheme, they would want the track number resetting when MP3Tag detected a new album but not on every folder change.
So for the normal sane users who want their track numbers from 1..n on every disc of every album, they would check "Reset track number/counter on disc change" and they would likely have "Next disc on change of folder" selected if each disc was in its own folder. Disc counter would reset on change of ALBUM.
For my unusual numbering, I would choose not to check "Reset track number/counter on disc change" and keep "Reset track number/counter on change of: ALBUM" selected. This would cause my track numbers to increment across all discs of an album, but reset on an album change.
My discs would increment on change of folder because I have all discs in separate folders, and I would reset my disc counter on change of ALBUM.
Would this now accomplish everything?