Issue 4718/4: Fold transpose_mutable into Prob::transpose

[lilypond.git] / lily / include / music-output.hh

diff --git a/lily/include/music-output.hh b/lily/include/music-output.hh
index 37437fbcac98f6f627f9b156cb15038a1a667448..dc1111b78ac58b9070f5ecb352baac9d522d2ca4 100644 (file)
--- a/lily/include/music-output.hh
+++ b/lily/include/music-output.hh
@@ -29,8 +29,8 @@
 class Music_output : public Smob<Music_output>
 {
 public:
-  int print_smob (SCM, scm_print_state *);
-  SCM mark_smob ();
+  int print_smob (SCM, scm_print_state *) const;
+  SCM mark_smob () const;
   static const char type_p_name_[];
   virtual ~Music_output ();
 private: