utf_reference.rt_param_reference.log_level.acceptable_values"></a></span><a class="link" href="log_level.html#boost_test.utf_reference.rt_param_reference.log_level.acceptable_values">Acceptable
          values</a>
        </h5>
<p>
          Following is the list of <a class="link" href="../rt_param_reference.html#enum_param_value">enumeration</a>
          log_level names ordered from higher to lower level. Thus each level includes
          messages on that level as well as all the messages on levels def