/usr/ is in ruby-builder 3.2.2-4.
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/usr/share/doc/ruby-builder/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/builder/
/usr/lib/ruby/vendor_ruby/builder/xmlbase.rb
/usr/lib/ruby/vendor_ruby/builder/xmlmarkup.rb
/usr/lib/ruby/vendor_ruby/builder/xmlevents.rb
/usr/lib/ruby/vendor_ruby/builder/version.rb
/usr/lib/ruby/vendor_ruby/builder/blankslate.rb
/usr/lib/ruby/vendor_ruby/builder/xchar.rb
/usr/lib/ruby/vendor_ruby/builder.rb
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/builder-3.2.2.gemspec
/usr/share/doc/
/usr/share/doc/ruby-builder/copyright
/usr/share/doc/ruby-builder/changelog.Debian.gz