/usr/share/doc/pd-moonlib/README is in pd-moonlib 0.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/pd-moonlib/../../../lib/pd/extra/moonlib/README.txt
/usr/share/doc/pd-moonlib/../../../lib/pd/extra/moonlib/README.txt