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[lilypond.git] / lily / include / unpure-pure-container.hh

diff --git a/lily/include/unpure-pure-container.hh b/lily/include/unpure-pure-container.hh
index 5166f590a4bcfaae12524a35d8eb207c4f394e1c..92974fe8f069d6e5e199916db70f50f166cb1bfd 100644 (file)
--- a/lily/include/unpure-pure-container.hh
+++ b/lily/include/unpure-pure-container.hh
@@ -39,7 +39,7 @@ public:
       return Smob2<Unpure_pure_container>::make_smob (a, a);
     return Smob2<Unpure_pure_container>::make_smob (a, b);
   }
-  int print_smob (SCM, scm_print_state *);
+  int print_smob (SCM, scm_print_state *) const;
 };
 
 #endif /* UNPURE_PURE_CONTAINER_HH */