Link to 'Qt::Window' (auto-link, no \l used) goes to a QML 'Window' type, not the Window flag from Qt namespace. Not sure how this can happen - It would be expected for 'QtQuick::Window'. Obviously, this is not found in QtWidgets' own tree so qdoc looks elsewhere, but looks into QtQuick module before QtCore. Still, there is no 'Window' under the Qt QML global object, and there's no module 'Qt', so this is baffling.