/usr/lib/ghc-doc/hoogle/libghc-binary-parsers-doc.txt is in libghc-binary-parsers-doc 0.2.3.0-4build6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-binary-parsers-doc/html/binary-parsers.txt