vim also has "undo tree" functionality built in, the interface is just different than emacs's. :help undo-branches http://vimdoc.sourceforge.net/htmldoc/undo.h

vim also has "undo tree" functionality built in, the interface is just different than emacs's. :help undo-branches http://vimdoc.sourceforge.net/htmldoc/undo.html#undo-branches http://vimdoc.sourceforge.net/htmldoc/undo.html#undo-branche...