/usr/share/u1db-qt/doc/ is in libu1db-qt5-doc 0.1.5+15.10.20150826.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/u1db-qt/doc/html/
/usr/share/u1db-qt/doc/html/concepts.html
/usr/share/u1db-qt/doc/html/database-members.html
/usr/share/u1db-qt/doc/html/database.html
/usr/share/u1db-qt/doc/html/document-members.html
/usr/share/u1db-qt/doc/html/document.html
/usr/share/u1db-qt/doc/html/index-members.html
/usr/share/u1db-qt/doc/html/index.html
/usr/share/u1db-qt/doc/html/overview.html
/usr/share/u1db-qt/doc/html/qml-u1db-database-members.html
/usr/share/u1db-qt/doc/html/qml-u1db-database.html
/usr/share/u1db-qt/doc/html/qml-u1db-document-members.html
/usr/share/u1db-qt/doc/html/qml-u1db-document.html
/usr/share/u1db-qt/doc/html/qml-u1db-index-members.html
/usr/share/u1db-qt/doc/html/qml-u1db-index.html
/usr/share/u1db-qt/doc/html/qml-u1db-query-members.html
/usr/share/u1db-qt/doc/html/qml-u1db-query.html
/usr/share/u1db-qt/doc/html/qml-u1db-synchronizer-members.html
/usr/share/u1db-qt/doc/html/qml-u1db-synchronizer.html
/usr/share/u1db-qt/doc/html/query-members.html
/usr/share/u1db-qt/doc/html/query.html
/usr/share/u1db-qt/doc/html/style/
/usr/share/u1db-qt/doc/html/style/base.css
/usr/share/u1db-qt/doc/html/style/css.css
/usr/share/u1db-qt/doc/html/style/css_002.css
/usr/share/u1db-qt/doc/html/style/qtquick.css
/usr/share/u1db-qt/doc/html/style/reset.css
/usr/share/u1db-qt/doc/html/style/scratch.css
/usr/share/u1db-qt/doc/html/synchronizer-members.html
/usr/share/u1db-qt/doc/html/synchronizer.html
/usr/share/u1db-qt/doc/html/tutorial.html
/usr/share/u1db-qt/doc/html/u1db-qt-tutorial-1.html
/usr/share/u1db-qt/doc/html/u1db-qt-tutorial-2.html
/usr/share/u1db-qt/doc/html/u1db-qt-tutorial-2b.html
/usr/share/u1db-qt/doc/html/u1db-qt-tutorial-3.html
/usr/share/u1db-qt/doc/html/u1db-qt-tutorial-5.html
/usr/share/u1db-qt/doc/html/u1db-qt-tutorial-6.html
/usr/share/u1db-qt/doc/html/u1db-qt.index