I believe this may be a case where you need to use \applyOutput, as
documented here:
https://extending-lilypond.readthedocs.io/en/latest/extending/translation.html#tweaking-grobs-during-translation
.
On Tue, Jan 31, 2023 at 5:57 PM Ahanu Banerjee <athecell...@gmail.com>
wrote:
> I am trying to modify the color of the ledger lines for a single note. My
> understanding is that I need to use \stopStaff and \startStaff for this.
> However, doing so causes the staff lines to be discontinuous. This rounds
> the ends of the staff lines surrounding the point at which the staff is
> stopped and causes adjacent notes to have increased horizontal spacing. How
> can this be avoided?
>
> See code below.
>
> \version "2.24.0"
> \language "english"
> { g8 \stopStaff \startStaff
> \once \override Staff.LedgerLineSpanner.color = green
> g \stopStaff \startStaff g g }
>
> Thanks,
> -Ahanu
>
