X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Frest-collision.hh;h=ce3765e65525af9bb1049249b8383a48d3a8479d;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=ae5405d24f7f7b70b1ee019d457ef52f60835f0e;hpb=304ce4dcebcef97a6cf443730265e5588a3fd365;p=lilypond.git

diff --git a/lily/include/rest-collision.hh b/lily/include/rest-collision.hh
index ae5405d24f..ce3765e655 100644
--- a/lily/include/rest-collision.hh
+++ b/lily/include/rest-collision.hh
@@ -3,21 +3,21 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #ifndef REST_COLLISION_HH
 #define REST_COLLISION_HH
 
+#include "grob-interface.hh"
 #include "lily-proto.hh"
-#include "lily-guile.hh"
 
 class Rest_collision
 {
 public:
   static void add_column (Grob *me, Grob *);
 
-  static bool has_interface (Grob *);
+  DECLARE_GROB_INTERFACE();
   DECLARE_SCHEME_CALLBACK (force_shift_callback, (SCM element));
   DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM element));
   DECLARE_SCHEME_CALLBACK (force_shift_callback_rest, (SCM element, SCM off));