span> <a class="link" href="c_regex_traits.html" title="Struct template c_regex_traits">c_regex_traits</a> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">Char</span>                           <a name="boost.xpressive.c_regex_traits.char_type"></a><span class="identifier">char_type</span><span class="special">;</span>      
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::<