- ADD_LISTENER (Gregorian_ligature_engraver, pes_or_flexa);
- ADD_LISTENER (Ligature_engraver, ligature);
- ADD_ACKNOWLEDGER (Ligature_engraver, rest);
- ADD_ACKNOWLEDGER (Ligature_engraver, ligature_head);
+ ADD_LISTENER (Vaticana_ligature_engraver, pes_or_flexa);
+ ADD_LISTENER (Vaticana_ligature_engraver, ligature);
+ ADD_ACKNOWLEDGER (Vaticana_ligature_engraver, rest);
+ ADD_ACKNOWLEDGER (Vaticana_ligature_engraver, ligature_head);