/usr/lib/ghc-doc/hoogle/libghc-x11-xft-doc.txt is in libghc-x11-xft-doc 0.3.1-11build4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-x11-xft-doc/html/X11-xft.txt