holes in config makes sense in the Key\+Set as today, but is maybe not a good idea for strongly hierarchically structured data.


\begin{DoxyItemize}
\item allow specific overrides without override of structure below
\end{DoxyItemize}

See \mbox{[}Hierarchy Example\mbox{]}/src/bindings/cpp/examples/cpp\+\_\+example\+\_\+hierarchy.cpp) for how to implement a hierarchy that gets rid of the problem that holes might create in this context. 