\Header{NotYet}{Not Yet Implemented Functions and Unused Arguments}
\alias{NotYetImplemented}{NotYet}
\alias{.NotYetImplemented}{NotYet}
\alias{NotYetUsed}{NotYet}
\alias{.NotYetUsed}{NotYet}
\alias{symbols}{NotYet}
\alias{plot.lm}{NotYet}
\keyword{documentation}{NotYet}
\keyword{utilities}{NotYet}
\begin{Usage}
\begin{verbatim}
.NotYetImplemented()
.NotYetUsed(arg)

symbols(...)
plot.lm(...)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\texttt{arg}] an argument of a function that is not yet used.
\end{ldescription}
\end{Arguments}
\begin{Description}
In order to pinpoint missing functionality, the \R\ core team uses
these functions for missing \R\ functions and not yet used arguments of
existing \R\ functions (which are typically there for compatibility
purposes).

You are very welcome to contribute your code \dots\end{Description}
\begin{SeeAlso}
the contrary, \texttt{\Link{Deprecated}} and
\texttt{\Link{Defunct}} for outdated code.\end{SeeAlso}
\begin{Examples}
\begin{ExampleCode}
symbols 		    # to see how the ``NotYetImplemented''
.NotYetImplemented	    # reference is made automagically

barplot(1:5, inside = TRUE) # `inside' is not yet used
\end{ExampleCode}
\end{Examples}

