/usr/share/gtk-doc/ is in libzeitgeist-2.0-doc 0.9.16-0ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/
/usr/share/gtk-doc/html/zeitgeist-2.0/
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistDataSourceRegistry.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistEvent.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistIndex.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistLog.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistMonitor.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistResultSet.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistSubject.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ZeitgeistTimeRange.html
/usr/share/gtk-doc/html/zeitgeist-2.0/annotation-glossary.html
/usr/share/gtk-doc/html/zeitgeist-2.0/api-index-full.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ch01.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ch02.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ch03.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ch04.html
/usr/share/gtk-doc/html/zeitgeist-2.0/ch05.html
/usr/share/gtk-doc/html/zeitgeist-2.0/docs-org-gnome-zeitgeist-DataSourceRegistry.html
/usr/share/gtk-doc/html/zeitgeist-2.0/docs-org-gnome-zeitgeist-Index.html
/usr/share/gtk-doc/html/zeitgeist-2.0/docs-org-gnome-zeitgeist-Log.html
/usr/share/gtk-doc/html/zeitgeist-2.0/docs-org-gnome-zeitgeist-Monitor.html
/usr/share/gtk-doc/html/zeitgeist-2.0/home.png
/usr/share/gtk-doc/html/zeitgeist-2.0/index.html
/usr/share/gtk-doc/html/zeitgeist-2.0/index.sgml
/usr/share/gtk-doc/html/zeitgeist-2.0/left-insensitive.png
/usr/share/gtk-doc/html/zeitgeist-2.0/left.png
/usr/share/gtk-doc/html/zeitgeist-2.0/object-tree.html
/usr/share/gtk-doc/html/zeitgeist-2.0/right-insensitive.png
/usr/share/gtk-doc/html/zeitgeist-2.0/right.png
/usr/share/gtk-doc/html/zeitgeist-2.0/style.css
/usr/share/gtk-doc/html/zeitgeist-2.0/up-insensitive.png
/usr/share/gtk-doc/html/zeitgeist-2.0/up.png
/usr/share/gtk-doc/html/zeitgeist-2.0/zeitgeist-2.0-data-source.html
/usr/share/gtk-doc/html/zeitgeist-2.0/zeitgeist-2.0-enumerations.html
/usr/share/gtk-doc/html/zeitgeist-2.0/zeitgeist-2.0-mimetype.html
/usr/share/gtk-doc/html/zeitgeist-2.0/zeitgeist-2.0-ontology-uris.html
/usr/share/gtk-doc/html/zeitgeist-2.0/zeitgeist-2.0-ontology.html
/usr/share/gtk-doc/html/zeitgeist-2.0/zeitgeist-2.0-timestamp.html
/usr/share/gtk-doc/html/zeitgeist-2.0/zeitgeist-2.0.devhelp2