\item wxWindows library (optional) \\
Used for platform-independent graphical interface. The graphical-shell
program \ctsim\ requires this library.\\
www.wxwindows.org
\end{itemize}
\item wxWindows library (optional) \\
Used for platform-independent graphical interface. The graphical-shell
program \ctsim\ requires this library.\\
www.wxwindows.org
\end{itemize}