[TYPO3] how to tell a page is referenced by what?

[Tapio Markula]

Bing Du
> reference warning any more.  Looks like the [Ref] in the list view only
> shows references from tt_content?

should list other references too.
One point. If you uninstall plugin, you might get lost references,
because Typo doesn't check uninstalled plugins.
If you don't need some plugin, delete it in order to avoid lost references.