Changes

* When changes are accepted, they appear in the 'Undo' list {{man menu|Edit -> Undo History...}} where they can be undone. They can also be undone individually via {{man menu|Edit -> Undo}}. Changes from the {{man button|Accept}} button are listed individually as ''Edit Family'', those from the {{man button|Accept All}} or {{man button|Accept All *}} buttons are listed as ''Edit families'' in the undo list.