!7

p {
  S name = "steigerung";
  L<S> names = mechListNames();
  LinkedHashSet<S> set = new(mechList(name));
  Set<S> originalSet = new LinkedHashSet(set);
  if (S name : startingWith(names, name + "_"))
    set.addAll(mechList(name));
  if (eq(set, originalSet))
    print("No change.");
  print("New set:");    
  pnl(set);
}