 amount of generated text you can
  define the <tt>BOOST_SPIRIT_DEBUG_FLAGS</tt> constant to be equal of a combination
  of the following flags:</p>
<table width="90%" border="0" align="center">
  <tr>
    <td colspan="2" class="table_title"><b>Available flags to fine tune debug
      output </b></td>
  </tr>
  <tr>
    <td width="29%" height="27" class="table_cells"><tt>BOOST_SPIRIT_DEBUG_FLAGS_NODES</tt></td>
    <td width="71%" class="table_cells"><p>print information about nodes (general
        for all