I spotted some warnings when I upgraded from Doxygen 1.18.13 to 1.18.17.
The new warnings are useful, they point out imbalances in grouping, as
well as unclosed comment blocks. Coincidentally, this fixes#13338
border vs. borders is confusing.
BTabView: Rename border param to borderStyle
BTabView docs: rename border param to borderStyle
enumerate border styles in docs