Changes from original wombat256:
- Changed the static background color to terminal default, which makes it transparent (if your terminal is)
- Changed colors of line numbering
- Changed non text to nothing. Keeping space you havn't written on yet the same as the rest, and not hard black.
Original wombat256: http://www.vim.org/scripts/script.php?script_id=2465
Original wombat: http://dengmao.wordpress.com/2007/01/22/vim-color-scheme-wombat/