The undo and redo facilities
The Undo command can apply in Style Editing Mode to:
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Property settings
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Rule changes (creation or modification using a wizard, enable/disable)
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Cut or Delete operations performed using the Rule menu
There are unlimited levels of Undo.
To undo one of these actions, choose Edit > Undo.
When you have undone an operation, you can redo it by choosing Edit > Redo.
To undo and redo an action, proceed as follows:
1. Undo the action by selecting Edit > Undo.
2. Redo the action by selecting Edit > Redo.
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