doc/pandocincludes/titleclass-cedh.tex

\titleclass{\chapter}{straight}
%\titleformat{\chapter}[display]{\huge\sffamily\bfseries}{}{0pt}{\thechapter. }
%\renewcommand{\thechapter}{\Roman{chapter}}
\titleformat{\chapter}[hang]{\bfseries}{}{0pt}{\thechapter.~}
%\titleformat{name=\chapter,numberless}[display]{\centering\Large}{}{0pt}{%
%\scshape\MakeLowercase}
\renewcommand{\thesection}{\thechapter.\arabic{section}}
\titleformat{\section}[hang]{\bfseries}{}{0pt}{\thesection.~}
\titleformat{\subsection}[hang]{\bfseries}{}{0pt}{\thesubsection.~}
\titleformat{\subsubsection}[hang]{\bfseries}{}{0pt}{\thesubsubsection.~}

\titlespacing{\chapter}{0pt}{0pt}{0pt}
\titlespacing{\section}{0pt}{0pt}{0pt}
\titlespacing{\subsection}{0pt}{0pt}{0pt}
\titlespacing{\subsubsection}{0pt}{0pt}{0pt}

\newpagestyle{cedh}[\scriptsize\scshape]{
\sethead[][FDN, FFDN \& LQDN contre France -- Annexe][]{}{FDN, FFDN \& LQDN contre France -- Annexe}{}
\setfoot[][\footnotesize\thepage][]{}{\footnotesize\thepage}{}
}