a></span></dt>
</dl></dd>
<dt><span class="chapter"><a href="tribool.html">23. Boost.Tribool</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="tribool.html#tribool.introduction">Introduction</a></span></dt>
<dt><span class="section"><a href="tribool/tutorial.html">Tutorial</a></span></dt>
<dt><span class="section"><a href="tribool/reference.html">Reference</a></span></dt>
<dt><span class="section"><a href="tribool/tests.html">Testsuite</a></span></dt>
</dl></dd>
<dt><span class="chapter"><a href="