/usr/lib/ghc-doc/hoogle/rosezipper.txt is in libghc-rosezipper-doc 0.2-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-rosezipper-doc/html/rosezipper.txt