/usr/lib/ghc-doc/hoogle/HFuse.txt is in libghc-hfuse-doc 0.2.4.1-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-hfuse-doc/html/HFuse.txt
/usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-hfuse-doc/html/HFuse.txt