use classnames for interface naming; remove inclusion of

[lilypond.git] / lily / include / melody-spanner.hh

diff --git a/lily/include/melody-spanner.hh b/lily/include/melody-spanner.hh
index 42762c0a6fe0fdd9b1d83e20b3576f511b1509cc..a02fc1f576fd49ec53289ff5366f5377016a07ce 100644 (file)
--- a/lily/include/melody-spanner.hh
+++ b/lily/include/melody-spanner.hh
@@ -12,11 +12,12 @@
 
 #include "lily-guile.hh"
 #include "lily-proto.hh"
+#include "grob-interface.hh"
 
 class Melody_spanner
 {
 public:
-  static bool has_interface (Grob*);
+  DECLARE_GROB_INTERFACE();
   static void add_stem (Grob*, Grob*);
   DECLARE_SCHEME_CALLBACK(calc_neutral_stem_direction, (SCM));
 };