/usr/share/doc/ is in ruby-clutter 3.2.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/ruby-clutter/
/usr/share/doc/ruby-clutter/copyright
/usr/share/doc/ruby-clutter/examples/
/usr/share/doc/ruby-clutter/examples/basic-actor.rb
/usr/share/doc/ruby-clutter/examples/bin-layout.rb
/usr/share/doc/ruby-clutter/examples/box-layout.rb
/usr/share/doc/ruby-clutter/examples/canvas.rb
/usr/share/doc/ruby-clutter/examples/constraints.rb
/usr/share/doc/ruby-clutter/examples/drag-action.rb
/usr/share/doc/ruby-clutter/examples/drop-action.rb
/usr/share/doc/ruby-clutter/examples/easing-modes.rb
/usr/share/doc/ruby-clutter/examples/flow-layout.rb
/usr/share/doc/ruby-clutter/examples/grid-layout.rb
/usr/share/doc/ruby-clutter/examples/image-content.rb
/usr/share/doc/ruby-clutter/examples/pan-action.rb
/usr/share/doc/ruby-clutter/examples/redhand.png
/usr/share/doc/ruby-clutter/examples/rounded-rectangle.rb
/usr/share/doc/ruby-clutter/examples/scroll-actor.rb
/usr/share/doc/ruby-clutter/changelog.Debian.gz