X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fself-alignment-interface.hh;h=5dc85360bb67ddf229228e92463c32ced61a029c;hb=f49e954f4a1c1c388ebe8c0581a20da0238aed25;hp=63ea1c0f592085ecbe89f81117c115b1c9bfb9af;hpb=75eebcb49e52d296b1da3e1074e0825d2c780db4;p=lilypond.git

diff --git a/lily/include/self-alignment-interface.hh b/lily/include/self-alignment-interface.hh
index 63ea1c0f59..5dc85360bb 100644
--- a/lily/include/self-alignment-interface.hh
+++ b/lily/include/self-alignment-interface.hh
@@ -3,17 +3,18 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1999--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #ifndef SELF_ALIGNMENT_INTERFACE_HH
 #define SELF_ALIGNMENT_INTERFACE_HH
 
-#include "spanner.hh"
+#include "lily-proto.hh"
+#include "grob-interface.hh"
 
 struct Self_alignment_interface
 {
-  static bool has_interface (Grob *);
+  DECLARE_GROB_INTERFACE();
 
   static SCM aligned_on_self (Grob *me, Axis a);
   static SCM centered_on_object (Grob *me, Axis a);