+ || note->in_event_class ("trill-span-event"))
+ // option to skip accidentals on string harmonics
+ && (to_boolean (get_property ("harmonicAccidentals"))
+ || !scm_is_eq (info.grob ()->get_property ("style"),
+ ly_symbol2scm ("harmonic")))
+ // ignore accidentals in non-printing voices like NullVoice
+ && !to_boolean (info.context ()->get_property ("nullAccidentals")))