If this '\n' is included, the output is like this:
![image](https://f.cloud.github.com/assets/5087281/2318352/b25d05f2-a365-11e3-8305-588c3cbffd60.png)

And I think there is an extra '\n' here, so I deleted it.
If it is deliberate here, I will follow the way as others.