| Age | Commit message (Collapse) | Author | 
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Sorry these changes are packed together in one commit!
We have no excuse. :+1:
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Also disable the fallback behavior when divideTrackListsByGroups
is empty, because what's the use of this listing at all, at that
point...?
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And report null directories.
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Sorry this commit is kind of monolithic! It's difficult to
separate out any of the changes since they're all related to
track sections' basic functionality.
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