private 
	function _polish($char) 
	{
		//fixing utf-8 problems of function FineDiff::renderDiffToHTMLFromOpcodes
		//didnt found better solution to make it ;)	
		/*		
		$char = str_replace("ą", 'ą', $char);
		$char = str_replace("ś", 'ś', $char);
		$char = str_replace("ć", 'ć', $char);
		$char = str_replace("ł", 'ł', $char);
		$char = str_replace("ż", 'ż', $char);
		$char = str_replace("ź", 'ź', $char);
		$char = str_replace("ó", 'ó', $char);
		$char = str_replace("ę", 'ę', $char);
		*/
		return $char;
	}