Chris@1464: --- a.txt	2013-07-27 06:03:49.133257759 +0900
Chris@1464: +++ b.txt	2013-07-27 06:03:58.791221118 +0900
Chris@1464: @@ -1,3 +1,3 @@
Chris@1464:  aaaa
Chris@1464: -日本記
Chris@1464: +日本娘
Chris@1464:  bbbb