\hypertarget{subclass}{}\subsection{Sub\-Class Relationships (complex type derivation)}\label{subclass}
Sub-class relationships may be derived from extensions and restrictions of complex content.

\begin{itemize}
\item \hyperlink{restrictioncomplexcontent}{restriction of complex content}\item \hyperlink{extensioncomplexcontent}{extension of complex content} \end{itemize}
