Yeah, I spent a long while (years) using pretty much exactly the solution he describes, as implemented in emacs. It's not as good as a tree, because undo/redo c

Yeah, I spent a long while (years) using pretty much exactly the solution he describes, as implemented in emacs. It's not as good as a tree, because undo/redo cycles make it very annoying to traverse through the history. I greatly prefer undo-tree.