plugin=diff is not implemented.
http://yellow.ribbon.to/~tuotehhou/index.php?%2BAndroid%2B%E3%83%AC%E3%82%A4%E3%82%A2%E3%82%A6%E3%83%88%E7%95%B0%E3%81%AA%E3%82%8B%E3%82%B5%E3%82%A4%E3%82%BA%E9%85%8D%E7%BD%AE
plugin=diff is not implemented.