/usr/lib/ghc-doc/hoogle/snap-loader-static.txt is in libghc-snap-loader-static-doc 0.9.0.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-snap-loader-static-doc/html/snap-loader-static.txt