A list of pages that no other page links to:

1. EditedSystemPages
2. HelpOnMacros/EmbedObject
3. HelpOnOpenIDProvider
4. HelpOnSessions
5. LocalBadContent
6. MissingHomePage
7. MissingPage
8. PermissionDeniedPage
9. ProjectGroupsTemplate
10. ProjectTemplate
11. QuIXWiki
12. WikiTipOfTheDay