1This plugin allows you to clean up the history. 2 3It deletes all page revisions that have been made by the same user within a one-hour timeframe. 4 5**Clean on recent changes:** 6 7When this option is selected, only the pages contained in the list of the most 8recent changes are checked. 9 10**Clean on namespace:** 11 12This option will check all pages within (and below) the given namespace. 13If no namespace is entered all namespaces will be checked. 14 15Use this with caution, it can take a long time. 16