/usr/lib/ghc-doc/hoogle/pandoc.txt is in libghc-pandoc-doc 1.12.2.1-1build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-pandoc-doc/html/pandoc.txt
/usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-pandoc-doc/html/pandoc.txt