This How-to applies to: 2.0, 2.1, 2.5
Suppose you're in Edit mode, editing the Body
Text. To undo an action, such as a word change, use the left-pointing curly
arrow in the upper right of the tool bar. This works best with text and is not
reliable with actions involving images. This type of undo only works while you are in edit mode. Once you save the page, you cannot go back and undo anything.
However, you can undo any action by using the global undo in the personal bar in the upper right corner of your site.
The "Undo actions" list provides the actions that
are able to be undone.
Find the action that needs undone from the list, and select the checkbox to its left. Click the "undo" button at the bottom of the page.
Keep in mind though that you usually cannot go back very far in time,
and that you often must undo the most recent changes first to get back
to the one you are trying to undo. In short, undo can save your bacon
but not every time.