History of 2019-06-03 Undoing without redoing

2019-06-03
18:50 UTC Revision 1 . . . . Marcin BorkowskiEmacs has a somewhat atypical undo feature – if you undo some changes (possibly more than once), and then break the sequence of undo commands (for example, by moving the point), any subsequent undo will, well, undo the previous undo – in other words, Emacs’ undo doubles as redo.