bling/vim-airline — pull request #120 by farseer90718 (2013-08-06 16:23:37+00:00)
Title: add white space detection

add a section to indicate trailing white space
![selection_004](https://f.cloud.github.com/assets/568457/918423/6a6f7d7a-feb4-11e2-9d17-ef6c74aadac4.png)