1 \usepackage{xcolor}

     2 \usepackage[sc]{mathpazo}

     3 \usepackage{fontspec}

     4 \setmainfont[Ligatures=TeX]{Palatino Linotype}

     5 \usepackage{amssymb}

     6 \usepackage{amsmath}

     7 \usepackage{menukeys}

     8 \definecolor{darkblue}{rgb}{0,0,0.6}

     9 \usepackage[colorlinks=true,urlcolor=darkblue,linkcolor=darkblue]{hyperref}

    10 

    11 %%% for trees

    12 %% http://anorien.csc.warwick.ac.uk/mirrors/CTAN/graphics/pgf/contrib/forest/forest.pdf

    13 

    14 \newcommand{\dn}{\stackrel{\mbox{\scriptsize def}}{=}}

    15 \newcommand{\defn}[1]{\textit{\textbf{#1}}}

    16 \newcommand{\dq}[1]{\mbox{\tt{"}}#1\mbox{\tt{"}}}

    17 

    18 \definecolor{codegray}{gray}{0.9}

    19 

    20 \makeatletter

    21 \def\fnote{\gdef\@thefnmark{}\@footnotetext}

    22 \makeatother

    23