vim has "persistent undo" (undo/redo changes for every file you edit, saved across quitting and restarting vim): http://choorucode.wordpress.com/2010/11/27/vim

vim has "persistent undo" (undo/redo changes for every file you edit, saved across quitting and restarting vim): http://choorucode.wordpress.com/2010/11/27/vim-persistent-undo/ http://choorucode.wordpress.com/2010/11/27/vim-persistent-un... vim also has "undo branches", which allow you to undo/redo not only to any point in a linear set of revisions, but to any node in a tree of revisions: http://vim.wikia.com/wiki/Using_undo_branches#What_are_undo_branches.3F http://vim.wikia.com/wiki/Using_undo_branches#What_are_undo_... Now if it only had a cutesy little slider bar at the top..