/usr/lib/ghc-doc/hoogle/hamlet.txt is in libghc-hamlet-doc 1.1.7.1-1build3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-hamlet-doc/html/hamlet.txt
/usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-hamlet-doc/html/hamlet.txt