Add a wiki action to list (lost/hidden) pages which are not referenced in the parent page
Wiki pages could be "lost" when you edit a page, i.e. when you remove the
[[page]] marker in the parent page. Since Redmine has a redundant referencing system (
[[page]] marker and the parent link), it could be easy to visit the wiki and tag pages which have a parent link but not referenced in the parent page (any
We could also imagine to colourize these pages in the index or insert a warning in the wiki page.
MoinMoin wiki has a such function to check for lost pages.