vim-highlightedundo
Make the undo region apparent!
Dependency
Vim 7.4.1685+ (or, neovim 0.2.0+)
diff
command (https://www.gnu.org/software/diffutils/) is required to use this plugin.
" should be 1
:echo executable('diff')
Usage
nmap u <Plug>(highlightedundo-undo)
nmap <C-r> <Plug>(highlightedundo-redo)
nmap U <Plug>(highlightedundo-Undo)
nmap g- <Plug>(highlightedundo-gminus)
nmap g+ <Plug>(highlightedundo-gplus)