This file is indexed.

/usr/lib/ghc-doc/hoogle/libghc-protobuf-doc.txt is in libghc-protobuf-doc 0.2.1.1-2build4.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-protobuf-doc/html/protobuf.txt