/usr/share/doc/ is in lua-bitop-dev 1.0.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/lua-bitop-dev/
/usr/share/doc/lua-bitop-dev/copyright
/usr/share/doc/lua-bitop-dev/doc/
/usr/share/doc/lua-bitop-dev/doc/changes.html
/usr/share/doc/lua-bitop-dev/doc/install.html
/usr/share/doc/lua-bitop-dev/doc/contact.html
/usr/share/doc/lua-bitop-dev/doc/bluequad.css
/usr/share/doc/lua-bitop-dev/doc/index.html
/usr/share/doc/lua-bitop-dev/doc/img/
/usr/share/doc/lua-bitop-dev/doc/img/contact.png
/usr/share/doc/lua-bitop-dev/doc/bluequad-print.css
/usr/share/doc/lua-bitop-dev/doc/semantics.html
/usr/share/doc/lua-bitop-dev/doc/api.html
/usr/share/doc/lua-bitop-dev/changelog.Debian.gz