-ENTER_DESCRIPTION (Trill_spanner_engraver,
-/* descr */ "Create trill spanner from a Music.",
-/* creats*/ "TrillSpanner",
-/* accepts */ "trill-span-event",
-/* acks */ "note-column-interface",
-/* reads */ "",
-/* write */ "");
+ADD_ACKNOWLEDGER (Trill_spanner_engraver, note_column);
+ADD_TRANSLATOR (Trill_spanner_engraver,
+ /* doc */ "Create trill spanner from an event.",
+ /* create */ "TrillSpanner",
+ /* read */ "",
+ /* write */ "");