You can abandon the changes of pages. Close the page, and when prompted to save changes, select No.

Notes about exceptions

•Changes in links of articles are automatically saved, and you cannot abandon them by not saving the page.

•Changes of format of articles elements are saved in articles and you cannot abandon them by not saving the page.

•When a text or an element of an article is linked to multiple pages and one of the page is saved also the other ones are automatically saved, to avoid corruption of the geometry if later one of the linked pages is abandoned. In this case, it is not possible to abandon changes on other pages, since they've been already saved.