I made a backup copy of my Addams Family (1964) DVDs and noticed that my backup software produced MKV files in the wrong order, most likely due to the DVD indexes not being in the correct order. So I can't trust the order of the DVD content.
That, too, means I can't trust the order of the different tracks in the MKVs. While audio is no big problem as the languages have been successfully tagged in the output, the subtitle tracks can be either in the order of "regular, force…