\documentclass[12pt]{article}
\usepackage{amsmath}
\usepackage{ifxetex}
\ifxetex
  \usepackage{fontspec,xltxtra,xunicode}
  \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase}
  \setromanfont{Georgia}
  \setsansfont{Arial}
  \setmonofont{Bitstream Vera Sans Mono}
\else
  \usepackage[mathletters]{ucs}
  \usepackage[utf8x]{inputenc}
\fi
\usepackage{microtype}
\usepackage{fancyhdr}
\pagestyle{fancy}
\pagenumbering{arabic}
\lhead{\itshape Pandoc User's Guide}
\chead{}
\rhead{\itshape{\nouppercase{\leftmark}}}
\lfoot{v $version$}
\cfoot{}
\rfoot{\thepage}
\usepackage{listings}
\lstnewenvironment{code}{\lstset{language=Haskell,basicstyle=\small\ttfamily}}{}
\setlength{\parindent}{0pt}
\setlength{\parskip}{6pt plus 2pt minus 1pt}
\usepackage{fancyvrb}
\usepackage{enumerate}
\usepackage{array}
% This is needed because raggedright in table elements redefines \\:
\newcommand{\PreserveBackslash}[1]{\let\temp=\\#1\let\\=\temp}
\let\PBS=\PreserveBackslash
\usepackage[normalem]{ulem}
\newcommand{\textsubscr}[1]{\ensuremath{_{\scriptsize\textrm{#1}}}}
\usepackage[breaklinks=true,linktocpage,pdftitle={$title$},pdfauthor={$for(author)$$author$$sep$; $endfor$},xetex,colorlinks]{hyperref}
\usepackage{url}
\usepackage{graphicx}
$if(numbersections)$
$else$
\setcounter{secnumdepth}{0}
$endif$
\VerbatimFootnotes % allows verbatim text in footnotes
$for(header-includes)$
$header-includes$
$endfor$

$if(title)$
\title{$title$}
$endif$
\author{$for(author)$$author$$sep$\\$endfor$}
$if(date)$
\date{$date$}
$endif$

\begin{document}
$if(title)$
\maketitle
$if(toc)$
\tableofcontents
\newpage
$endif$
$endif$

$body$

\end{document}