Cross reference restriction on multiple extends-clauses

chapters/inheritance.tex

@@ -115,6 +115,7 @@ \section{Inheritance -- Extends Clause}\label{inheritance-extends-clause}
 \subsection{Multiple Inheritance}\label{multiple-inheritance}
 
 Multiple inheritance is possible since multiple \lstinline!extends!-clauses can be present in a class.
+As stated in \cref{the-inherited-contents-of-the-element}, it is illegal for one of these \lstinline!extends!-clauses to influence the lookup of another's (or its own) class name.
 
 \subsection{Inheritance of Protected and Public Elements}\label{inheritance-of-protected-and-public-elements}