Issue 3531: replaced function argument 'string' by 'const string&' where it makes...

[lilypond.git] / lily / axis-group-interface.cc

diff --git a/lily/axis-group-interface.cc b/lily/axis-group-interface.cc
index 819a32d6f4245169169729faf5fa6e09b1e4fe4b..d4d3d4102210a5896ddcd09886186beda7465294 100644 (file)
--- a/lily/axis-group-interface.cc
+++ b/lily/axis-group-interface.cc
@@ -485,7 +485,7 @@ Axis_group_interface::calc_pure_relevant_grobs (SCM smob)
 }
 
 SCM
-Axis_group_interface::internal_calc_pure_relevant_grobs (Grob *me, string grob_set_name)
+Axis_group_interface::internal_calc_pure_relevant_grobs (Grob *me, const string &grob_set_name)
 {
   extract_grob_set (me, grob_set_name.c_str (), elts);