                  
  <span class="keyword">typedef</span> <a class="link" href="period_formatter.html" title="Class template period_formatter">boost::date_time::period_formatter</a><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span>          <a name="boost.date_time.date_facet.period_formatter_type"></a><span class="identifier">period_formatter_type</span><span class="special">;</span>        
  <span class="keyword">typedef</span> <a class="link" href="