10 Stopping and undoing commands
| Keystrokes | Command name | Action |
|---|---|---|
| C-g | keyboard-quit | Abort current command. |
| C-x u | advertised-undo | Undo last edit (can be done repeatedly). |
| C-_ Edit → Undo | undo | Undo last edit (can be done repeatedly). |
| (none) | revert-buffer | Restore buffer to the state it was in when the file was last saved (or auto-saved). |
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