-Writing Guidelines">Section 57.2.2</a>.
    </p></li><li class="listitem"><p>
     <code class="function">errdetail_log(const char *msg, ...)</code> is the same as
     <code class="function">errdetail</code> except that this string goes only to the server
     log, never to the client.  If both <code class="function">errdetail</code> (or one of
     its equivalents above) and
     <code class="function">errdetail_log</code> are used then one string goes to the client
     and the other to the log.  This 