/usr/ is in ruby-plist 3.1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/plist.rb
/usr/lib/ruby/vendor_ruby/plist/
/usr/lib/ruby/vendor_ruby/plist/generator.rb
/usr/lib/ruby/vendor_ruby/plist/parser.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-plist/
/usr/share/doc/ruby-plist/changelog.Debian.gz
/usr/share/doc/ruby-plist/README.rdoc.gz
/usr/share/doc/ruby-plist/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/1.8/
/usr/share/rubygems-integration/1.8/specifications/
/usr/share/rubygems-integration/1.8/specifications/plist-3.1.0.gemspec
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/plist-3.1.0.gemspec