/usr/share/doc/libclutter-1.0-dev/README.gz is in libclutter-1.0-dev 1.16.4-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libclutter-1.0-dev/../libclutter-1.0-0/README.gz
/usr/share/doc/libclutter-1.0-dev/../libclutter-1.0-0/README.gz