elseif ($type == 'standard' && !empty($content))

foreach ($tag as $name => $content)
         {
            if ($type == 'http-equiv')
            {
               $content .= '; charset=' . $document->getCharset();
               $buffer .= $tab . '<meta http-equiv="' . $name . '" content="' . htmlspecialchars($content) . '" />' . $lnEnd;
            }
            elseif ($type == 'standard' && !empty($content))
            {//добавил
                 
                  if ($content) {            if ($name=='keywords') continue;  //добавил
                                 
               $buffer .= $tab . '<meta name="' . $name . '" content="' . htmlspecialchars($content) . '" />' . $lnEnd;
            }//скобочка тоже
                } 
         }
      }

      // Don't add empty descriptions