/usr/share/doc/libpuzzle-php/README.gz is in libpuzzle-php 0.9-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libpuzzle-php/../libpuzzle1/README.gz
/usr/share/doc/libpuzzle-php/../libpuzzle1/README.gz