a><span class="lineno">   47</span>&#160;                   , FormatTag</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;                   , ConversionPolicy</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;                   &gt;::type</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;make_reader( <span class="keyword">const</span> std::wstring&amp; file_name</div><div class="line"><a name="l00051"></a><sp