cookie data is a huge security hole, as pickle strings can be crafted
to cause arbitrary code to execute on your server. It is supported
for backwards compatibility only, and may eventually go away.
+\deprecated{2.3}
\end{classdesc}
\begin{classdesc}{SmartCookie}{\optional{input}}
\strong{Note:} The same security warning from \class{SerialCookie}
applies here.
+\deprecated{2.3}
\end{classdesc}
A further security note is warranted. For backwards compatibility,