X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Ftie-column.hh;h=b42c7d54dabb2bfddff96ba09cdcb394367521dc;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=ff101a883984cee19af77056c6c8bbfc5dc872ab;hpb=75eebcb49e52d296b1da3e1074e0825d2c780db4;p=lilypond.git

diff --git a/lily/include/tie-column.hh b/lily/include/tie-column.hh
index ff101a8839..b42c7d54da 100644
--- a/lily/include/tie-column.hh
+++ b/lily/include/tie-column.hh
@@ -3,19 +3,19 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2000--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #ifndef TIE_COLUMN_HH
 #define TIE_COLUMN_HH
 
+#include "grob-interface.hh"
 #include "lily-proto.hh"
-#include "lily-guile.hh"
 
 class Tie_column
 {
 public:
-  static bool has_interface (Grob *);
+  DECLARE_GROB_INTERFACE();
   static void add_tie (Grob *me, Grob *);
   DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM));
   DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));