fier">locale_type</span><span class="special">;</span>    
  <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span>                    <a name="boost.xpressive.c_regex_traits.char_class_type"></a><span class="identifier">char_class_type</span><span class="special">;</span>
  <span class="keyword">typedef</span> <a class="link" href="regex_traits_version_2_tag.html" title="Struct regex_traits_version_2_tag">regex_traits_version_2_tag</a>     <a