The problem was my TERM variable. Being set to st-256color/rxvt-256color broke it, but when I set it to screen-256color, everything worked great.
- [dev] [st] Vim background color doesn't fill e... Lee Fallat
- Re: [dev] [st] Vim background color doesn... Roberto E. Vargas Caballero
- Re: [dev] [st] Vim background color d... Lee Fallat