However, they add functionality to \ctsim\ and there inclusion is recommended.
\begin{itemize}
- \item \textbf{wxWindows}\\
+ \item \textbf{wxWindows 2.3}\\
Used for the platform-independent graphical interface. The graphical version
of \ctsim\ requires this library.\\
\urlref{Web site}{http://www.wxwindows.org}