l.html" title="Tutorial">Tutorial</a> sections.
        The <a href="../reference.html" target="_top">Reference</a> section can be consulted
        at a later point for quick reference. All the other sections of this documentation
        can be considered optional.
      </p>
<p>
        Some footnotes are marked by the word "<span class="bold"><strong>Rationale</strong></span>".
        They explain reasons behind decisions made during the design and implementation
        of this library.
      </p>
<p>