Use Vim 7.3 Conceal feature to display unicode operator
in Haskell without changing the underlying file.

GitHub: https://github.com/Twinside/vim-haskellConceal

## Installation

Decompress in your ~/vimfiles or ~/.vim, if you're using
pathogen (you should), put it in ~/.vim/bundle/haskellConceal
folder