\documentclass[8pt,twocolumn,a4paper]{article}
%\VignetteIndexEntry{Rcpp-quickref}

\setlength{\hoffset}{-0.8in}
\setlength{\voffset}{-0.8in}

\setlength{\marginparwidth}{0pt}
\setlength{\marginparsep}{0pt}
\setlength{\oddsidemargin}{0pt}
\setlength{\headheight}{0pt}
\setlength{\topmargin}{0pt}
\setlength{\headsep}{0pt}
\setlength{\footskip}{0pt}
\setlength{\textheight}{27cm}
\setlength{\textwidth}{20cm}

\usepackage[colorlinks]{hyperref}

<<echo=FALSE,print=FALSE>>=
options( width= 50)
library( "Rcpp" )
rcpp.version <- packageDescription( "Rcpp" )$Version
@
% closing $ needed here

\author{Romain Fran\c{c}ois \and Dirk Eddelbuettel}
\title{Rcpp \Sexpr{rcpp.version}: Quick Reference Guide}

\begin{document}
\maketitle
\thispagestyle{empty}

\end{document}

