 leader-length.maximum="100%" default value.
        </p>
<p>
          Earlier versions of FOP used to expand a leader to fill the
          rest of the line unconditionally, anything following it,
          like page numbers in a TOC, was actually shifted beyong the
          right margin.
        </p>
<p>
          The new implementation uses leader-length.optimum to
          determine where to break the line, and expands the leader
          only further if the line should be filled, as indicated by
  