/usr/lib/ is in ratpoison 1.4.8-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/ratpoison.py
/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/ratpoison.py
/usr/lib/ruby/
/usr/lib/ruby/1.8/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/ratpoison.rb
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/ratpoison
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/ratpoison
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/ratpoison