Issue 4459/1: Mark mark_smob () member functions as const

[lilypond.git] / lily / include / lily-lexer.hh

diff --git a/lily/include/lily-lexer.hh b/lily/include/lily-lexer.hh
index 5a622c9317b4e888c667fed7897a5b1bd4184f08..7a4bc15de560fe49e77e8947784d97674b06a569 100644 (file)
--- a/lily/include/lily-lexer.hh
+++ b/lily/include/lily-lexer.hh
@@ -35,7 +35,7 @@ class Lily_lexer : public Smob<Lily_lexer>, public Includable_lexer
 {
 public:
   int print_smob (SCM, scm_print_state *);
-  SCM mark_smob ();
+  SCM mark_smob () const;
   static const char type_p_name_[];
   virtual ~Lily_lexer ();
 private: