"Melisma" for Roman numerals analysis

[lgvr123]

Your idea

Add a similar mechanism for the Roman Numeral Analysis(RNA) as for the lyrics where consecutive "_" will be transformed into a continuous melisma line.

For the RNA, this should be applied to the "-" and "=" signs.

Typing this:

Would be transformed into this:

Problem to be solved

In RNA, the following analysis, although apparently correct, doesn't make sense.

This leads to confusion, because a IV usually belongs to the the Sub-Dominant domain while in the measure 3, the IV belongs to the Tonic domain, as a Neighbour chord between to I's.

The same applies for the I64 in measure 5. It does not belong to the Tonic domain but to the Domibant domain as a Arpegiating Dominant chord (or Cadential64).

According to different sources, the correct notation for those cases is the following one (*):

Today, this is not possible to enter this notation.

This proposition will make this notation possible and easy to write.

---

(*) according (a.o.) to Clendinning/Marvin's "The Musician's Guide To Theory and Analysis" book:

Prior art

/

Additional context

/