Walking through some unanswered e-mails of mine I stumbled across this one, asked in October.
https://lists.gnu.org/archive/html/lilypond-user/2023-10/msg00222.html > How can I make LilyPond display the actual values of > `script-priority` for a stack of grobs? [...] Any suggestions how to do that? Otherwise I'll file an issue. Werner
