chriskempson/tomorrow-theme — pull request #200 by em- (2013-06-25 11:04:54+00:00)
Title: vim: Prevent `set background=dark` from being reset

The call to `X("Normal", s:foreground, s:background, "")` resets
the background option and since VIm fails to detect the dark background
it gets set to `light`.

Moving the `set background=dark` call at the end fixes it.