public static function cleanPathname($path) {
		if (UString::isNotNull ( $path )) {
			if (\DS === "/")
				$path = \str_replace ( "\\", \DS, $path );
			else
				$path = \str_replace ( "/", \DS, $path );
			$path = \str_replace ( \DS . \DS, \DS, $path );
			if (! UString::endswith ( $path, \DS )) {
				$path = $path . \DS;
			}
		}
		return $path;
	}