/usr/lib/ghc-doc/hoogle/iteratee.txt is in libghc-iteratee-doc 0.8.9.4-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-iteratee-doc/html/iteratee.txt