/usr/share/doc/libg3d-dev/AUTHORS is in libg3d-dev 0.0.8-15.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libg3d-dev/../libg3d0/AUTHORS
/usr/share/doc/libg3d-dev/../libg3d0/AUTHORS