== does the undo copy CONTAIN the lost data?
  rows in its pages COPY block: 4
  rows in its users COPY block: 1
  contains the accented title  : 1
== APPLY it by hand — proving the undo copy WORKS (nothing in the product will do this):
 
(1 row)

== state after applying the undo by hand:
  pages: 4
  users: 1
  discriminator: ALTERED-VALUE-B
