}
void
-Volta_spanner::do_substitute_dependency (Score_element* o, Score_element* n)
+Volta_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n)
{
if (Note_column* c = dynamic_cast <Note_column*> (o))
note_column_arr_.substitute (c, dynamic_cast<Note_column*> (n));