Is there any way to have Emacs save your undo history between sessions?

Question

Is there any way to have EMACS save your undo history between sessions?

I\'m aware of the savehist lib, the saveplace lib, the desktop lib, and the windows lib, thes

Answer 1

desktop-save-mode does not save buffer-undo-list by default. You just have to tell him!

(add-to-list 'desktop-locals-to-save 'buffer-undo-list)