There are other issues with this music, which can bristle with expressive marks: bowing and fingering information, various shorthands for different sorts of ornaments, over and above the placement of the notes. But I'll write another post about that. For the fingering maybe I could possibly also use the markup command to place some characters atop each other, a digit and a row of closely spaced dots. You'll see that although I mentioned in my original post that the dots are in an arc, that's not necessarily the case, and I could probably get away with a straight line.