172             $this->triggerError(
183             $this->triggerError(
191             $this->triggerError(
200                 $this->triggerError(
227             $this->triggerError(
303 …$this->triggerError("Using deprecated API: use \$config->set('$key', ...) instead", E_USER_NOTICE);
311             $this->triggerError(
321                 $this->triggerError(
331 …   $this->triggerError("$key is an alias, preferred directive name is {$def->key}", E_USER_NOTICE);
349             $this->triggerError(
363                 $this->triggerError(
591                         $this->triggerError(
603                         $this->triggerError(
850             $this->triggerError($error, E_USER_ERROR);
884     protected function triggerError($msg, $no)  function in HTMLPurifier_Config