/usr/share/doc/lua-say-dev/changelog.Debian.gz is in lua-say-dev 1.3-1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/lua-say-dev/../lua-say/changelog.Debian.gz
/usr/share/doc/lua-say-dev/../lua-say/changelog.Debian.gz