function convert($txt) {
		$txt=preg_replace_callback(
			'/(<code.*?>.+?<\/code>|'.
			'<[^>\n]+>|\([^\n\)]+\)|"[^"\n]+")|'.
			'\\\\(.)/s',
			function($expr) {
				// Process escaped characters
				return empty($expr[1])?$expr[2]:$expr[1];
			},
			$this->build(preg_replace('/\r\n|\r/',"\n",$txt))
		);
		return $this->snip($txt);
	}