/usr/lib/ghc-doc/hoogle/Ranged-sets.txt is in libghc-ranged-sets-doc 0.3.0-5build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-ranged-sets-doc/html/Ranged-sets.txt