@Override
    public void rollbackTo() {
      if (myIndents.containsKey(this)) {
        myCurrentIndent = myIndents.get(this);
      }
      if (myNewLines.containsKey(this)) {
        myNewLine = myNewLines.get(this);
      }

      unregisterMarker(this);
      super.rollbackTo();
    }
@Override
    public void rollbackTo()