function MsWord_Clean(&$Txt) {
		$Txt = str_replace('<w:lastRenderedPageBreak/>', '', $Txt); // faster
		$this->XML_DeleteElements($Txt, array('w:proofErr', 'w:noProof', 'w:lang', 'w:lastRenderedPageBreak'));
		$this->MsWord_CleanSystemBookmarks($Txt);
		$this->MsWord_CleanRsID($Txt);
		$this->MsWord_CleanDuplicatedLayout($Txt);
	}