Links to pages on an EditMe site that don't exist have always gone to a special page that prompts you to create it. This allows you to create links to pages you intend to create as reminders to do so. But links to files that don't exist (such as /index.html, which is not a valid EditMe page name) would go to a traditional web server "404 Not Found" page. In order to ease transitions for customers moving an existing site to EditMe, we have changed this behavior to instead show an EditMe page called "404". You can create this page on your site and decide what message you want users to see when visiting a resource on your site that can't be an EditMe page and does not exist. This page will also be shown for links to attachments that have been deleted. (In case you're wondering what the significance of 404 is, this is the numeric status web servers respond with to a request for a resource that does not exist.)
