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  1. EmacsWiki: Category Undo
    In Emacs, undo means undoing changes to buffers. However, this page includes
    discussion of related ways to “undo” other aspects of your Emacs session.

    www.emacswiki.org/emacs/CategoryUndo
  2. EmacsWiki: Undo Tree
    About. Emacs's undo system allows you to recover any past state of a buffer (the
    standard undo/redo system loses any “redoable” states whenever you make an ...

    www.emacswiki.org/emacs/UndoTree
  3. EmacsWiki: Undo Commands
    Consecutive repetitions of 'C-/' (or its aliases) undo earlier and earlier changes in
    the current buffer. If all the recorded changes have already been undone, the ...

    www.emacswiki.org/emacs/UndoCommands
  4. EmacsWiki: point-undo.el
    Oct 16, 2009 ... M-x toggle-debug-on-error or (setq debug-on-error t) ;; 3) Use Lisp version
    instead of compiled one: (load "point-undo.el") ;; 4) Do it! ;; 5) If you ...

    www.emacswiki.org/emacs/point-undo.el
  5. EmacsWiki: Redo Mode
    Emacs treats 'undo' as just another command. Therefore you can undo the undo.
    This is powerful and confusing, because if you are doing several undos and ...

    www.emacswiki.org/emacs/RedoMode
  6. EmacsWiki: old-fashioned-undo.el
    May 15, 2013 ... This behavior may ;; make undo/redo operations perfect, but I feel this behavior is
    ;; too much verbose and little bit annoying. ;; ;; The undo/redo ...

    www.emacswiki.org/emacs/old-fashioned-undo.el
  7. EmacsWiki: selective-undo-xmas.el
    Oct 13, 2005 ... selective-undo-xmas.el ;; This file is free software ;; Xemacs port of selective undo
    . (defun undo (&optional arg) "Undo some previous changes.

    www.emacswiki.org/emacs/selective-undo-xmas.el
  8. EmacsWiki: View Undo
    Sep 5, 2008 ... 2007-5-30 ;;; Derek Peschel ;;; Peek at Emacs's undo state. ;;; TO DO: make view-
    undo not affect undo's idea of whether it is ;;; currently ...

    www.emacswiki.org/emacs/ViewUndo
  9. EmacsWiki: Revert Buffer
    Until Emacs 24.4, there is no way to save the undo history if the file is changed
    behind Emacs's back. Emacs needs to re-read the file from disk and reverting a ...

    www.emacswiki.org/emacs/RevertBuffer
  10. EmacsWiki: Emacs Newbie Key Reference
    You've undone all changes when the mode line shows '--' instead of '**'; redo:
    after undo, C-g and then C-x u; undo unsaved changes to a buffer: M-x revert- ...

    www.emacswiki.org/emacs/EmacsNewbieKeyReference


 

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