n of file,
          line number and column number from the input stream for reporting diagnostics
          or other messages.
        </p>
<h6>
<a name="spirit.qi.tutorials.mini_xml___error_handling.h2"></a>
          <span class="phrase"><a name="spirit.qi.tutorials.mini_xml___error_handling.on_error"></a></span><a class="link" href="mini_xml___error_handling.html#spirit.qi.tutorials.mini_xml___error_handling.on_error">On Error</a>
        </h6>
<p>
          <code class="computeroutput"><span class="ide