><span class="special">&lt;</span><span class="keyword">typename</span> Ptree<span class="special">&gt;</span> 
        <span class="keyword">void</span> <a class="link" href="../boost/property_tree/xml_parser/write_1_3_33_10_11_1_1_1_4.html" title="Function template write_xml"><span class="identifier">write_xml</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="speci