+bool
+Staff_symbol_referencer::on_staffline (Score_element*me)
+{
+ return on_staffline (me, (int) position_f (me));
+}
+
+bool
+Staff_symbol_referencer::on_staffline (Score_element*me, int pos)
+{
+ int sz = line_count (me)-1;
+ return ((pos + sz) % 2) == 0;
+}
+