lways be non zero. The presence of errors is detected by presence 
        of lines with errors </TD>
    </TR>
    <TR>
      <TD class="title" valign="top">Type:</TD>
      <TD>run-time</TD>
    </TR>
    <TR>
      <TD class="title" valign="top">Component needed:</TD>
      <TD>the Unit Test Framework</TD>
    </TR>
    <TR>
      <TD class="title" valign="top">Need Test Pattern:</TD>
      <TD>no</TD>
    </TR>
    <TR>
      <TD class="title" valign="top">Expected Output:</TD>
      <TD><SPAN class="te