!7

p {
  S base = "heise.de 2018/04/20 (raw)";
  for (S list : mechListsPlusNumber(barCombine(base, "Similar lines"))) {
    S moreList = barCombine(list, "Theory 1 | More matching examples");
    L<S> more = mechList_opt(moreList);
    if (nempty(more)) {
      addToMechList(list, more);
      clearMechList(moreList);
    }
  }
}