" Create the `b:undo_ftplugin` variable if it doesn't exist
call ftplugined#check_undo_ft()

" Use a small indentation value on Haskell files
setlocal shiftwidth=2
let b:undo_ftplugin.='|setlocal shiftwidth<'

" Change max length of a line to 100 for this buffer to match official guidelines
setlocal colorcolumn=100
let b:undo_ftplugin.='|setlocal colorcolumn<'