private function renderDocumentationText(DivinerLiveSymbol $symbol, PhabricatorMarkupEngine $engine)
 {
     $field = 'default';
     $content = $engine->getOutput($symbol, $field);
     if (strlen(trim($symbol->getMarkupText($field)))) {
         $content = phutil_tag('div', array('class' => 'phabricator-remarkup diviner-remarkup-section'), $content);
     } else {
         $atom = $symbol->getAtom();
         $content = phutil_tag('div', array('class' => 'diviner-message-not-documented'), DivinerAtom::getThisAtomIsNotDocumentedString($atom->getType()));
     }
     return $content;
 }