► Choose the menu command: Edit > Undo.
In place of the ellipsis above, Nisus Writer Pro indicates what action you took that will be undone. You can undo an unlimited number of actions!
► Choose the menu command: Edit > Redo.
In place of the ellipsis above, Nisus Writer Pro indicates what action you took that will be redone.
Not only can you undo your previous actions, you can also redo them. Redo—the opposite of Undo—(believe it or not) undoes your undo. It puts your commands back into effect. You can continue redoing all the commands in the undo list until it is empty. Nisus Writer Pro remembers the Redo list as long as you do not make any editing changes to your text. You can Undo and Redo any number of times, but as soon as you resume editing your document, Nisus Writer Pro clears the Redo list. The Undo list continues to accumulate the new commands you make.
To help you visualize these Undo and Redo lists, imagine that the process of preparing your document is like a walk across an open field with many branching paths. As illustrated in Figure 60, you can take any path you like. Having gone a certain distance along the green path ABCD in the figure, you change your mind and want to go back to the point B (Undo Bold) which you passed. That is what multiple undos allow you to do.
Figure 60
The Undo and Redo paths
Imagine now that you have undone everything from changing the margin to bolding your selection, you find that you have gone back too far and want to retrace your original path to redo the Bold and redo the Delete (to point C having redone part of the original path) and start on the new red path CEF (by making changes to your document). Immediately, Nisus Writer Pro forgets the rest of the original green path CD (including the margin change). Nisus Writer Pro clears the Redo list before the path to E begins. The new undo list, however, can get you back along any portion of the path ABCEF.
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