\documentclass{scrbook} \usepackage[french]{babel} \usepackage{fontspec} \setmainfont{Old Standard} \addtokomafont{disposition}{\rmfamily} \usepackage{csquotes} \usepackage{etoolbox} \usepackage{tikz} \usepackage[breakable, skins, listings, xparse]{tcolorbox} \usepackage{hyperref} \hypersetup{unicode,colorlinks} \usepackage{hyperxmp} \usepackage{uri} \usepackage[type={CC}, modifier={by-sa}, version ={3.0}]{doclicense} \author{Robert Alessi} \lowertitleback{\footnotesize\textcopyright{} 2018 Robert Alessi \mailto[courses]{robert.alessi@cnrs.fr} \doclicenseThis}