public void newLineAndTabs(boolean withSequenceItemMark) {
      if (withSequenceItemMark) {
        assert myLevel > 0;
      }

      append(CRLF_MARKUP);
      if (withSequenceItemMark) {
        append(tabs(myLevel - 1));
        append(sequenceItemPrefix());
      }
      else {
        append(tabs(myLevel));
      }
    }
public void newLineAndTabs(boolean withSequenceItemMark)