decorato_idm27858.string_type"></a><span class="identifier">string_type</span><span class="special">;</span>    <span class="comment">// String type. </span>
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span>                           <a name="boost.log.expressions.max_size_decorato_idm27858.size_type"></a><span class="identifier">size_type</span><span class="special">;</span>      <span class="comment">// String si