presenters/html: restore the previous more-detailed comment

                            # no more holes, don't traverse any more nodes

                            raise StopIteration

                        else:

                            # True = don't traverse any children either

                            # True = don't traverse this node's children, because they won't be output

                            # however there are holes in other pages, so don't break the loop just yet

                            return True

                else:

                    # unconditionally write the root node regardless of limits