X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcollision-engraver.cc;h=15ee2d29239711fd3eda3b02413626078e2b52ab;hb=b3f05df7340c2813bbf3d12adc7619122c5c4d2e;hp=35f8015a68f34eb03309a419ffbc702a8ead34ab;hpb=8920247a80a350aaab540166ab7a4937f45786a6;p=lilypond.git

diff --git a/lily/collision-engraver.cc b/lily/collision-engraver.cc
index 35f8015a68..15ee2d2923 100644
--- a/lily/collision-engraver.cc
+++ b/lily/collision-engraver.cc
@@ -23,13 +23,15 @@
 #include "axis-group-interface.hh"
 #include "item.hh"
 
+#include "translator.icc"
+
 class Collision_engraver : public Engraver
 {
   Item *col_;
   vector<Grob *> note_columns_;
 
 protected:
-  DECLARE_ACKNOWLEDGER (note_column);
+  void acknowledge_note_column (Grob_info);
   void process_acknowledged ();
   void stop_translation_timestep ();
 public:
@@ -71,14 +73,18 @@ Collision_engraver::stop_translation_timestep ()
   note_columns_.clear ();
 }
 
-Collision_engraver::Collision_engraver ()
+Collision_engraver::Collision_engraver (Context *c)
+  : Engraver (c)
 {
   col_ = 0;
 }
 
-#include "translator.icc"
 
-ADD_ACKNOWLEDGER (Collision_engraver, note_column);
+void
+Collision_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Collision_engraver, note_column);
+}
 
 ADD_TRANSLATOR (Collision_engraver,
                 /* doc */