Then it needs to put on its big boy panties and get some of the big boy features.
Close and go back to the list of pages or posts.
This is a common feature on most CMSs (Joomla, for example). If you simply abandon the changes and go back to the list of pages/posts in WordPress, the next time you open that post/page, you are presented with an autosave warning containing the very post/page you were trying to abandon.
If WordPress wants to play with the big boys, it needs to add some of the features that the big boys have.
