" 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<'