+> It would replace it. The only problematic case is when another
+> plugin has its own reasons, in its `scan` hook, to add a page
+> that is already there to `$links{$page}`. This other plugin's
+> effect might then be changed by po's `scan` hook... which could
+> be either good (better overall l10n) or bad (break the other
+> plugin's goal). --[[intrigeri]]
+