Imported Upstream version 2.18.0

[lilypond.git] / lily / include / coherent-ligature-engraver.hh

diff --git a/lily/include/coherent-ligature-engraver.hh b/lily/include/coherent-ligature-engraver.hh
index cc3ed8d6951fa115b0fab960fab9583725fb81e3..bf422c40d1b4d1e108bc6d692f84e03a264d7693 100644 (file)
--- a/lily/include/coherent-ligature-engraver.hh
+++ b/lily/include/coherent-ligature-engraver.hh
@@ -29,12 +29,12 @@ public:
 
 protected:
   virtual void build_ligature (Spanner *ligature,
-                               vector<Grob_info> primitives) = 0;
+                               vector<Grob_info> const &primitives) = 0;
   virtual void typeset_ligature (Spanner *ligature,
-                                 vector<Grob_info> primitives);
+                                 vector<Grob_info> const &primitives);
   virtual void move_related_items_to_column (Item *, Paper_column *, Real);
 private:
-  void collect_accidentals (Spanner *, vector<Grob_info>);
+  void collect_accidentals (Spanner *, vector<Grob_info> const &);
 };
 
 #endif // COHERENT_LIGATURE_ENGRAVER_HH