/usr/share/doc/libsquirrel-dev/README is in libsquirrel-dev 3.1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsquirrel-dev/../libsquirrel3-0/README
/usr/share/doc/libsquirrel-dev/../libsquirrel3-0/README