/usr/ is in ruby-xpath 2.0.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-xpath/
/usr/share/doc/ruby-xpath/changelog.Debian.gz
/usr/share/doc/ruby-xpath/copyright
/usr/share/doc/ruby-xpath/README.md
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/xpath-2.0.0.gemspec
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/xpath.rb
/usr/lib/ruby/vendor_ruby/xpath/
/usr/lib/ruby/vendor_ruby/xpath/dsl.rb
/usr/lib/ruby/vendor_ruby/xpath/expression.rb
/usr/lib/ruby/vendor_ruby/xpath/html.rb
/usr/lib/ruby/vendor_ruby/xpath/literal.rb
/usr/lib/ruby/vendor_ruby/xpath/renderer.rb
/usr/lib/ruby/vendor_ruby/xpath/union.rb
/usr/lib/ruby/vendor_ruby/xpath/version.rb