/usr/ is in ruby-prawn-table 0.2.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/prawn/
/usr/lib/ruby/vendor_ruby/prawn/table/
/usr/lib/ruby/vendor_ruby/prawn/table/cell/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/prawn/table/cell/image.rb
/usr/lib/ruby/vendor_ruby/prawn/table/cell/in_table.rb
/usr/lib/ruby/vendor_ruby/prawn/table/cell/span_dummy.rb
/usr/lib/ruby/vendor_ruby/prawn/table/cell/subtable.rb
/usr/lib/ruby/vendor_ruby/prawn/table/cell/text.rb
/usr/lib/ruby/vendor_ruby/prawn/table/cell.rb
/usr/lib/ruby/vendor_ruby/prawn/table/cells.rb
/usr/lib/ruby/vendor_ruby/prawn/table/column_width_calculator.rb
/usr/lib/ruby/vendor_ruby/prawn/table/version.rb
/usr/lib/ruby/vendor_ruby/prawn/table.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-prawn-table/
/usr/share/doc/ruby-prawn-table/changelog.Debian.gz
/usr/share/doc/ruby-prawn-table/copyright
/usr/share/doc/ruby-prawn-table/manual.pdf.gz
/usr/share/doc-base/
/usr/share/doc-base/prawn-table-manual
/usr/share/rubygems-integration/all/specifications/prawn-table-0.2.2.gemspec