% \documentclass[12pt]{article}
\documentclass[$if(fontsize)$$fontsize$,$endif$$if(lang)$$lang$,$endif$$if(papersize)$$papersize$,$else$a4paper,$endif$$for(classoption)$$classoption$$sep$,$endfor$]{$documentclass$}

$if(fontfamily)$
  \usepackage{$fontfamily$}
$else$
  \usepackage{lmodern}
$endif$

$if(lang)$
\ifxetex
  \usepackage{polyglossia}
  \setmainlanguage{$lang$}
\else
  \usepackage[shorthands=off,$lang$]{babel}
\fi
$endif$

\usepackage[$if(papersize)$$papersize$$else$a4paper$endif$]{geometry}

\usepackage{graphicx}

\usepackage{longtable}
\usepackage{tabularx, booktabs}
\usepackage[htt]{hyphenat}

\usepackage{amssymb}

% use upquote if available, for straight quotes in verbatim environments
\IfFileExists{upquote.sty}{\usepackage{upquote}}{}
% use microtype if available
\IfFileExists{microtype.sty}{\usepackage{microtype}}{}

\ifxetex
  \usepackage[setpagesize=false, % page size defined by xetex
              unicode=false, % unicode breaks when used with xetex
              xetex]{hyperref}
\else
  \usepackage[unicode=true]{hyperref}
\fi

% Break URLs in a few more places. (For breaking lines, not functionality!)
% cf. http://tex.stackexchange.com/questions/3033/forcing-linebreaks-in-url
\expandafter\def\expandafter\UrlBreaks\expandafter{\UrlBreaks%  save the current one
  \do\*\do\-\do\~\do\'\do\"\do\-}

\hypersetup{breaklinks=true,
            bookmarks=true,
            pdfauthor={$author-meta$},
            pdftitle={$title-meta$},
            colorlinks=false,
            citecolor=$if(citecolor)$$citecolor$$else$blue$endif$,
            urlcolor=$if(urlcolor)$$urlcolor$$else$blue$endif$,
            linkcolor=$if(linkcolor)$$linkcolor$$else$magenta$endif$,
            pdfborder={0 0 0}}
\urlstyle{same}  % don't use monospace font for urls

\renewcommand*{\hypertarget}[3][\ar]{%
  \def\ar{#2}%
  \label{#1}%
  #3}

\renewcommand*{\hyperlink}[2]{%
 #2 (\autoref{#1}, page~\pageref{#1})}

\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
  \usepackage[T1]{fontenc}
  \usepackage[utf8]{inputenc}
  $if(euro)$
    \usepackage{eurosym}
  $endif$
\else % if luatex or xelatex
  \ifxetex
    \usepackage{mathspec}
    \usepackage{xltxtra,xunicode}
    \usepackage{xeCJK}
    \setCJKmainfont{IPAexMincho}
    \usepackage{fontspec}
    %\usepackage{CJKutf8}
    %\newenvironment{CJKlang}{\begin{CJK}{UTF8}{min}}{\end{CJK}}
  \else
    \usepackage{fontspec}
  \fi
  \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase}
  \newcommand{\euro}{€}

  $if(mainfont)$
    \setmainfont{$mainfont$}
  $endif$

  $if(sansfont)$
    \setsansfont{$sansfont$}
  $endif$

  $if(monofont)$
    \setmonofont[Mapping=tex-ansi]{$monofont$}
  $endif$

  $if(mathfont)$
    \setmathfont(Digits,Latin,Greek){$mathfont$}
  $endif$
\fi

\setlength{\emergencystretch}{3em}  % prevent overfull lines

% use upquote if available, for straight quotes in verbatim environments
\IfFileExists{upquote.sty}{\usepackage{upquote}}{}
% use microtype if available
\IfFileExists{microtype.sty}{\usepackage{microtype}}{}

$if(graphics)$
  \usepackage{graphicx}
  \makeatletter
  \def\maxwidth{\ifdim\Gin@nat@width>\linewidth\linewidth\else\Gin@nat@width\fi}
  \def\maxheight{\ifdim\Gin@nat@height>\textheight\textheight\else\Gin@nat@height\fi}
  \makeatother
  % Scale images if necessary, so that they will not overflow the page
  % margins by default, and it is still possible to overwrite the defaults
  % using explicit options in \includegraphics[width, height, ...]{}
  \setkeys{Gin}{width=\maxwidth,height=\maxheight,keepaspectratio}
$endif$

\usepackage{xcolor}
$if(listings)$
  \usepackage{listings}
  % Setup of Code Highlighting
  % cf. http://tex.stackexchange.com/a/179956/21830
  \lstset{
      basicstyle=\ttfamily,
      numbers=left,
      keywordstyle=\color[rgb]{0.13,0.29,0.53}\bfseries,
      stringstyle=\color[rgb]{0.31,0.60,0.02},
      commentstyle=\color[rgb]{0.56,0.35,0.01}\itshape,
      numberstyle=\footnotesize,
      stepnumber=5,
      numbersep=5pt,
      backgroundcolor=\color[RGB]{248,248,248},
      showspaces=false,
      showstringspaces=false,
      showtabs=false,
      tabsize=2,
      captionpos=b,
      breaklines=true,
      breakatwhitespace=true,
      breakautoindent=true,
      escapeinside={\%*}{*)},
      linewidth=\textwidth,
      basewidth=0.5em,
  }
$endif$

$if(highlighting-macros)$
  $highlighting-macros$
$endif$

$if(verbatim-in-note)$
  \usepackage{fancyvrb}
$endif$

$if(links-as-notes)$
  % Make links footnotes instead of hotlinks:
  \renewcommand{\href}[2]{#2\footnote{\url{#1}}}
$endif$

$if(verbatim-in-note)$
  \VerbatimFootnotes % allows verbatim text in footnotes
$endif$

\setlength{\parindent}{0pt}
\setlength{\parskip}{6pt plus 2pt minus 1pt}
\setlength{\emergencystretch}{3em}  % prevent overfull lines

\providecommand{\tightlist}{%
  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
$if(numbersections)$
\setcounter{secnumdepth}{5}
$else$
\setcounter{secnumdepth}{0}
$endif$

\usepackage[font={footnotesize,sf}]{caption}

% Redefines (sub)paragraphs to behave more like sections
\ifx\paragraph\undefined\else
\let\oldparagraph\paragraph
\renewcommand{\paragraph}[1]{\oldparagraph{#1}\mbox{}}
\fi
\ifx\subparagraph\undefined\else
\let\oldsubparagraph\subparagraph
\renewcommand{\subparagraph}[1]{\oldsubparagraph{#1}\mbox{}}
\fi

% - - -
% Make it fancy

% Headers and page numbering
\usepackage{fancyhdr}

% Set figure legends and captions to be smaller sized sans serif font
\usepackage[font={footnotesize,sf}]{caption}

% Chapter styling
\usepackage[grey]{quotchap}
\makeatletter
\renewcommand*{\chapnumfont}{%
  \thispagestyle{empty}
  \usefont{T1}{\@defaultcnfont}{b}{n}\fontsize{80}{100}\selectfont% Default: 100/130
  \color{chaptergrey}%
}
\makeatother

% - - -

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

\begin{document}

$if(title)$
  \maketitle
$endif$

$if(abstract)$
  \begin{abstract}
    $abstract$
  \end{abstract}
$endif$

$for(include-before)$
  $include-before$
$endfor$

$if(toc)$
{
  \hypersetup{linkcolor=black}
  \setcounter{tocdepth}{$toc-depth$}
  \tableofcontents
  \newpage
}
$endif$

$body$

$if(natbib)$
  $if(biblio-files)$
    $if(biblio-title)$
      $if(book-class)$
        \renewcommand\bibname{$biblio-title$}
      $else$
        \renewcommand\refname{$biblio-title$}
      $endif$
    $endif$
    \bibliography{$biblio-files$}
  $endif$
$endif$

$if(biblatex)$
  \printbibliography$if(biblio-title)$[title=$biblio-title$]$endif$
$endif$

$for(include-after)$
  $include-after$
$endfor$
\end{document}