/usr/share/gtk-doc/ is in python-pygoocanvas 0.14.1-1ubuntu8.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/
/usr/share/gtk-doc/html/pygoocanvas/
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-ellipse-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-ellipse.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-grid-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-grid.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-group-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-group.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-image-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-image.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-item-model-simple.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-item-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-item-simple.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-item.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-misc.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-path-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-path.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-polyline-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-polyline.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-rect-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-rect.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-style.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-table-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-table.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-text-model.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-text.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas-widget.html
/usr/share/gtk-doc/html/pygoocanvas/class-canvas.html
/usr/share/gtk-doc/html/pygoocanvas/class-hierarchy.html
/usr/share/gtk-doc/html/pygoocanvas/index.html
/usr/share/gtk-doc/html/pygoocanvas/index.sgml
/usr/share/gtk-doc/html/pygoocanvas/pygoocanvas-core-classes.html
/usr/share/gtk-doc/html/pygoocanvas/pygoocanvas-misc-items.html
/usr/share/gtk-doc/html/pygoocanvas/pygoocanvas-model-items.html
/usr/share/gtk-doc/html/pygoocanvas/pygoocanvas-std-items.html
/usr/share/gtk-doc/html/pygoocanvas/pygoocanvas.devhelp
/usr/share/gtk-doc/html/pygoocanvas/style.css