X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fbreathing-sign.hh;fp=lily%2Finclude%2Fbreathing-sign.hh;h=237fd158be1522e43151784f4dd9ae4ee99177c8;hb=44ad1d66c072e4d6545e75c769c86a460cb1df13;hp=9093230a58d40b2e0041b11c2e63a6e7c92ebef3;hpb=a9c0c06eca7cf482bd550be17e4a4dbdfc7cc22a;p=lilypond.git

diff --git a/lily/include/breathing-sign.hh b/lily/include/breathing-sign.hh
index 9093230a58..237fd158be 100644
--- a/lily/include/breathing-sign.hh
+++ b/lily/include/breathing-sign.hh
@@ -9,6 +9,7 @@
 #ifndef BREATHING_SIGN_HH
 #define BREATHING_SIGN_HH
 
+#include "grob-interface.hh"
 #include "lily-guile.hh"
 
 class Grob;
@@ -28,7 +29,7 @@ public:
   DECLARE_SCHEME_CALLBACK (finalis, (SCM));
   DECLARE_SCHEME_CALLBACK (offset_callback, (SCM element));
 
-  static bool has_interface (Grob *);
+  DECLARE_GROB_INTERFACE();
 };
 
 #endif // BREATHING_SIGN_HH