I'm not sure if I ever need ranger to open files.
map <space> <leader>
" make
+nnoremap <leader>r :make<cr>
nnoremap <leader><cr> :make<cr>
" unhighlight search
nnoremap U :syntax sync fromstart<cr>:AirlineRefresh<cr>:redraw!<cr>
" Ranger
-nnoremap <leader>r :silent !ranger %:h<cr>:redraw!<cr>
-nnoremap <leader>R :silent !ranger<cr>:redraw!<cr>
+" nnoremap <leader>r :silent !ranger %:h<cr>:redraw!<cr>
+" nnoremap <leader>R :silent !ranger<cr>:redraw!<cr>
" Use sane regexes.
nnoremap / /\v