\documentclass[aspectratio=54,10pt,xcolor=x11names]{beamer}
  \usepackage[french]{babel}
  \usepackage[autolanguage]{numprint}
  \usepackage{amsmath}
  \usepackage{booktabs,tabularx}
  \usepackage{metalogo}                % logo \XeLaTeX
  \usepackage{fontawesome}
  \usepackage{listings}
  \usepackage[export]{adjustbox}       % cadre serré autour d'une image
  \usepackage[overlay,absolute]{textpos}

  %% =============================
  %%  Informations de publication
  %% =============================
  \renewcommand{\year}{2016}
  \renewcommand{\month}{11-3}
  \newcommand{\ctanurl}{https://ctan.org/pkg/formation-latex-ul/}

  %% =======================
  %%  Apparence du document
  %% =======================

  %% Polices de caractères
  \usepackage{fontspec}
  \usepackage{unicode-math}
  \defaultfontfeatures{Ligatures=TeX,Scale=0.88}
  \setmainfont{Lucida Bright OT}
  \setsansfont{Lucida Sans OT}
  \setmathfont{Lucida Bright Math OT}
  \setmonofont{Lucida Grande Mono DK}
  \newfontfamily\titles{Myriad Pro}
  \newfontfamily\oldstyle[Numbers=OldStyle]{Myriad Pro}
  \usepackage{microtype}

  %% Couleurs
  \definecolor{comments}{rgb}{0.7,0,0}  % rouge foncé
  \definecolor{alert}{rgb}{0,0.7,0}     % vert foncé
  \definecolor{link}{rgb}{0,0.4,0.6}    % ~RoyalBlue de dvips
  \definecolor{url}{rgb}{0.6,0,0}       % rouge-brun
  \definecolor{rouge}{rgb}{0.85,0,0.07} % rouge bandeau identitaire
  \definecolor{or}{rgb}{1,0.8,0}        % or bandeau identitaire
  \colorlet{emphasis}{link}
  \colorlet{exercices}{gray}

  %% Hyperliens
  \hypersetup{%
    pdfauthor = {Vincent Goulet},
    pdftitle = {Rédaction avec LaTeX - Premiers pas},
    colorlinks = {true},
    linktocpage = {true},
    allcolors = {link},
    urlcolor = {url},
    pdfpagemode = {UseOutlines},
    pdfstartview = {Fit},
    bookmarksopen = {true},
    bookmarksnumbered = {true},
    bookmarksdepth = {subsection}}

  %% Paramètres de beamer
  \useinnertheme{default}
  \useoutertheme[width=10mm,height=2.2\baselineskip]{sidebar}
  \usefonttheme[onlylarge]{structurebold}
  \usefonttheme{professionalfonts}
  \addtobeamertemplate{headline}{\rule{0pt}{12pt}\par}{}
  \setbeamercolor{frametitle}{fg=white,bg=black}
  \setbeamerfont{frametitle}{family=\titles}
  \setbeamercolor{structure}{fg=emphasis,bg=white}
  \setbeamercolor{block title}{fg=black,bg=Snow2}
  \setbeamercolor{alerted text}{fg=black}
  \setbeamerfont{alerted text}{series=\bfseries}
  \setbeamercolor{block title alerted}{fg=white,bg=alert}
  \setbeamercolor{block title example}{fg=white,bg=exercices}
  \setbeamercolor{example text}{fg=exercices,bg=white}
  \setbeamertemplate{frametitle continuation}{}
  \setbeamertemplate{theorems}[numbered]
  \setbeamertemplate{section in toc}[sections numbered]
  \setbeamertemplate{navigation symbols}{}
  \setbeamertemplate{section in sidebar}{}
  \setbeamertemplate{subsection in sidebar}{}
  \setbeamertemplate{section in sidebar shaded}{}
  \setbeamertemplate{subsection in sidebar shaded}{}
  \AtBeginSection[]
  {
    \begin{frame}
      \frametitle{Sommaire}
      \small
      \begin{columns}[t]
        \begin{column}{.5\textwidth}
          \tableofcontents[sections={1-3},%
            currentsection,subsectionstyle=show/show/hide]
        \end{column}
        \begin{column}{.5\textwidth}
          \tableofcontents[sections={4-6},%
            currentsection,subsectionstyle=show/show/hide]
        \end{column}
      \end{columns}
    \end{frame}
  }

  %% Paramétrage de babel pour les guillemets
  \frenchbsetup{og=«, fg=»}

  %% Sections de code source
  \lstloadlanguages{[LaTeX]TeX}
  \lstset{language=[LaTeX]TeX,
    escapeinside=`',
    extendedchars=true,
    inputencoding=utf8/latin1,
    basicstyle=\small\ttfamily\NoAutoSpacing,
    commentstyle=\color{comments}\slshape,
    keywordstyle=\mdseries,
    emphstyle=\color{emphasis}\bfseries,
    backgroundcolor=\color{LightYellow1},
    frame=none,
    showstringspaces=false}

  %%% =========================
  %%%  Nouveaux environnements
  %%% =========================

  %% Exercices
  \theoremstyle{example}
  \newtheorem{exercice}[theorem]{Exercice}

  %% Environnements pour les demo de code; tirés du document
  %% principal.
  \newenvironment{demo}{%
    \begin{beamercolorbox}[wd=\linewidth,sep=6pt]{block body example}}
    {\end{beamercolorbox}}
  \newenvironment{texample}[1][0.45\linewidth]{%
    \noindent\begin{minipage}{#1}%
      \def\producing{\end{minipage}\hfill\begin{minipage}{\dimexpr0.9\linewidth-#1}%
        \hbox\bgroup\kern-.2pt%
        \vbox\bgroup\parindent0pt\relax
        % The 3pt is to cancel the -\lineskip from \displ@y
        \abovedisplayskip3pt \abovedisplayshortskip\abovedisplayskip
        \belowdisplayskip0pt \belowdisplayshortskip\belowdisplayskip
        \noindent}
    }{%
      \par
      % Ensure that a lonely \[\] structure doesn't take up width less than
      % \hsize.
      \hrule height0pt width\hsize
      \egroup\kern-.2pt\egroup
    \end{minipage}%
    \par
  }
  \renewenvironment{quote}{%
    \begin{beamercolorbox}[wd=\linewidth,sep=6pt]{block body example}}
    {\end{beamercolorbox}}
  \newenvironment{texoutput}[1]{%
    \begin{minipage}[t]{#1} \small}{%
    \end{minipage}}

  %% Rubriques conseil du TeXpert
  \newenvironment{conseil}{%
    \begin{alertblock}{Conseil du {\TeX}pert}
      \medskip
      \begin{minipage}[t]{0.1\textwidth}
        \color{alert}\raisebox{-1.2em}[0em][0em]{\huge\faThumbsOUp}
      \end{minipage}
      \begin{minipage}[t]{0.88\textwidth}}%
    {\end{minipage}\end{alertblock}}

  %% =====================
  %%  Nouvelles commandes
  %% =====================

  %% Noms de fonctions, code, environnement, etc.
  \newcommand{\fichier}[1]{\fbox{\texttt{#1}}}
  \newcommand{\class}[1]{\textbf{#1}}
  \newcommand{\pkg}[1]{\textbf{#1}}
  \newcommand{\link}[2]{\href{#1}{#2~\raisebox{-0.2ex}{\faExternalLink}}}
  \newcommand{\capsule}[2]{\href{#1}{\faYoutubePlay~#2}}

  %% «Bouton» de la page de copyright
  \newcommand{\browsebutton}{%
    \setlength{\fboxrule}{0.5pt}%
    \framebox[20mm][c]{%
      \makebox[2.5mm]{\raisebox{-1pt}{\footnotesize\faGithub}}\;%
      {\sffamily Voir sur GitHub}}}

  %% «Bouton» pour accéder à CTAN
  \newcommand{\ctanbutton}{%
    \setlength{\fboxrule}{1pt}%
    \framebox[60mm][l]{%
      \rule[-5pt]{0mm}{16pt}%
      \makebox[7mm]{\raisebox{-2.5pt}{\Large\faExternalLink}}\;%
      {\sffamily Accéder aux fichiers dans CTAN}}}

  %%% =======
  %%%  Varia
  %%% =======

  %% Nouveaux compteurs requis pour ajouter les numéros d'exercices
  %% dans la table des matières. Une page compte deux exercices;
  %% besoin de deux compteurs pour celle-là.
  \newcounter{exerciceref}
  \newcounter{exercicerefb}

  %% Longueurs pour la composition des pages couvertures avant et
  %% arrière.
  \newlength{\banderougewidth} \newlength{\banderougeheight}
  \newlength{\bandeorwidth}    \newlength{\bandeorheight}
  \newlength{\imageheight}
  \newlength{\logoheight}
  \newlength{\gapwidth}

\begin{document}

\input{couverture-avant-diapos}
\input{frontispice-diapos}
\input{licence-diapos}
\input{prerequis-diapos}

\begin{frame}
  \frametitle{Sommaire}
  \small
  \begin{columns}[t]
    \begin{column}{.5\textwidth}
      \tableofcontents[sections={1-3},hideallsubsections]
    \end{column}
    \begin{column}{.5\textwidth}
      \tableofcontents[sections={4-6},hideallsubsections]
    \end{column}
  \end{columns}
\end{frame}

\input{presentation-diapos}
\input{bases-diapos}
\input{organisation-diapos}
\input{apparence-diapos}
\input{mathematiques-diapos}
\input{ulthese-diapos}

\begin{frame}
  \frametitle{Et la suite?}

  \begin{columns}
    \begin{column}{.5\textwidth}
      Le document de référence couvre des concepts plus avancés:
      \begin{itemize}
        \small
      \item boîtes, tableaux et figures
      \item équations mathématiques élaborées
      \item bibliographie et citations
      \item commandes et environnement sur mesure
      \item changement de police
      \item diapositives
      \item rapports avec analyse intégrée
      \item etc.
      \end{itemize}
      Références additionnelles dans l'introduction.
    \end{column}
    \begin{column}{.5\textwidth}
      \includegraphics[width=\linewidth,frame]{formation-latex-ul}
    \end{column}
  \end{columns}
\end{frame}

\input{colophon-diapos}
\input{couverture-arriere-diapos}

\end{document}

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%%% TeX-engine: xetex
%%% mode: latex
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