bling/vim-airline — pull request #58 by dplummer (2013-07-10 17:34:01+00:00)
Title: Show unsaved changes in unfocused split

This fixes #38, and the 3 extra characters shouldn't be a problem for #35 (I hope).

I don't know much of anything about vim-script, so if you've got a better way of doing this go for it.