Haskell VIM files

haskell-.vimrc.vim

" Add to .vimrc
" Need to have .vim/compiler/ghc.vim

augroup HSK
        au Bufenter *.hs compiler ghc
        autocmd FileType haskell setlocal formatoptions+=t
        autocmd FileType haskell let b:ghc_staticoptions = '-Wall -Werror'
augroup END

haskell-ftplugin.vim

" Add to .vim/ftplugin/haskell.vim

" From Good Haskell Style http://urchin.earth.li/~ian/style/haskell.html
setlocal expandtab
setlocal tabstop=8
setlocal shiftwidth=8
setlocal textwidth=79

haskell-syntax.vim

" Add to .vim/syntax/haskell.vim

" From Good Haskell Style http://urchin.earth.li/~ian/style/haskell.html

syn cluster hsRegions add=hsImport,hsLineComment,hsBlockComment,hsPragma
syn cluster hsRegions add=cPreCondit,cCppOut,cCppOut2,cCppSkip
syn cluster hsRegions add=cIncluded,cDefine,cPreProc,cComment,cCppString

syn match tab display "\t" containedin=@hsRegions
hi link tab Error
syn match trailingWhite display "[[:space:]]\+$" containedin=@hsRegions
hi link trailingWhite Error