Case in point;

https://doc.qt.io/archives/qt-5.14/qmodelindex-and-related-classes-in-qml.html

-> see section 'QItemSelectionRange Type' in the Contents

written as

\section1 \l QItemSelectionRange Type

The link goes to the type QItemSelectionRange documentation and not the section on the page. This is visible better in the old style (archived), as the conversion to the new style partially masks the issue but doesn't fully fix it.