| Name | Description | |
|---|---|---|
 | CanRedo | Determine if this edit is ready to be and can be redone. |
| CanUndo | Determine if this edit is ready to be and can be undone. |
| Clear | Forget about any state remembered in this edit. |
| Redo | Restore the new state of this edit after having been undone. |
| Undo | Restore the previous state of this edit. |