-ADD_ACKNOWLEDGER (Pitched_trill_engraver, note_head);
-ADD_ACKNOWLEDGER (Pitched_trill_engraver, dots);
-ADD_ACKNOWLEDGER (Pitched_trill_engraver, stem);
-ADD_ACKNOWLEDGER (Pitched_trill_engraver, flag);
-ADD_ACKNOWLEDGER (Pitched_trill_engraver, trill_spanner);
+
+void
+Pitched_trill_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Pitched_trill_engraver, note_head);
+ ADD_ACKNOWLEDGER (Pitched_trill_engraver, dots);
+ ADD_ACKNOWLEDGER (Pitched_trill_engraver, stem);
+ ADD_ACKNOWLEDGER (Pitched_trill_engraver, flag);
+ ADD_ACKNOWLEDGER (Pitched_trill_engraver, trill_spanner);
+}