X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Fcollision-engraver.cc;h=15ee2d29239711fd3eda3b02413626078e2b52ab;hb=6f2cc023f43f162f5624af1e34dbd6bba65aec30;hp=034726def9b2437176e124b99be0ad23aca3deac;hpb=dbaf1e56e37be0e204231c5bf1adcb14bd8ac3b8;p=lilypond.git

diff --git a/lily/collision-engraver.cc b/lily/collision-engraver.cc
index 034726def9..15ee2d2923 100644
--- a/lily/collision-engraver.cc
+++ b/lily/collision-engraver.cc
@@ -31,7 +31,7 @@ class Collision_engraver : public Engraver
   vector<Grob *> note_columns_;
 
 protected:
-  DECLARE_ACKNOWLEDGER (note_column);
+  void acknowledge_note_column (Grob_info);
   void process_acknowledged ();
   void stop_translation_timestep ();
 public:
@@ -73,7 +73,8 @@ Collision_engraver::stop_translation_timestep ()
   note_columns_.clear ();
 }
 
-Collision_engraver::Collision_engraver ()
+Collision_engraver::Collision_engraver (Context *c)
+  : Engraver (c)
 {
   col_ = 0;
 }