Lute ornamentation - some problems

There has been already a discussion on lute ornamentation, but I think it is good to begin a new one at the present state, especially to help to go on with the lute implementation in the new version of musescore.

Today I tried to "copy" a historic ornamentation table for baroque lute (Beyer, Gellerts Oden, 1760) with musescore.
First I want to say: everything here is possible, but some things are very uncomfortable.

But you have to keep in mind, that the used ornaments are only some of the ornaments that had been used in lute music, there are some more, and sometimes writers used them very differently.

I give my mscz-file, the original table and the resulting pdf and svg.
Probably the bows won't stay in the positions I moved them, because there still is a bug preventing to save other positions than the auto ones.

Here the original table and the svg:

BaroqueLute_Ornaments.svg

Slurs:
I wouldn't think that the reverted bows for pull-off are really necessary in a modern, but that is not to difficult to make even now with the current versions. But it would be good to have the bows always below of the tab signs.
Sometimes a problem can be, that normally all notes are in one voice actually. But it is possible to divide the notes into different voices, which helps for slurs, but sometimes results in problems with the rhythm signs.
The slurs are a little bit too round, when they connect 3 or more tab signs, they should be in fact more shallow for tablature.

Appogiaturas (Abzug and Einfall):
These are pretty nice to work with, but if I copy them from the palette, they will have a wrong position -> it would be good to have a position relating to the tab sign!
After doing it once, it is easily possible to copy them with ctrl-c + v

Mordents
I have in fact tried two signs, but both will always be placed above the system. If I copy them, then they will only be on the same line, they aren't used as acidentals to the note!

The same goes to nearly all other used signs, they don't relate to the selected sign, but on top of the system.

The vertical dash, the sign for playing chords together ("Zugleich geschlagen") should best be a line, that could be drawn between to notes that lie vertical in one row. Here the Beyer table is not really good, as this sign is a little bit small. It would be good to have a flexible line, that is centered between the two notes with a certain gap at both ends.
Could here the concept of the note anchored line be expanded in that way?

Regarding note anchored lines it would be very good, if they could also be copied from one place to another. To get the vertical lines I misused them a little bit, and the second line probably will have a wrong position with every new formatting, as it is connected to the lowest note below.

Unfortunately fingering with (1-2-3-4) isn't possible with the current fingering solution, only the points are shown in lute tablature.

To sum up: It would be very good to have the possibility to anchor the above signs to the notes (or a more universal method?). That would help very much to write lute music more easily in musescore.