7. The device of claim 3 , including instructions for: receiving a request to exit the document-editing mode; and, in response to receiving the request to exit the document-editing mode: exiting the document-editing mode; and displaying the document at a third magnification level that corresponds to a predefined document magnification level different from the first magnification level.
3. The device of claim 1 , including instructions for, in response to detecting the first input, entering a document-editing mode.