% Commandes :

\providecommand{\header}[2]{
	\begin{document-header}
		\section{#1}
		#2
	\end{document-header}
}
\providecommand{\lesson}[5][]{%
	\newcommand{\level}{#2}%
	\newcommand{\id}{#4}%
	\header{level}{#2}%
	\header{id}{#4}%
	\header{title}{#5}%
	\header{chapter}{#3}%
	\header{specialty}{#1}%
}
\providecommand{\imagespath}{img}
\providecommand{\includelatexpicture}[2][]{
  \begin{center}
    \includegraphics{\lessonimagespath#2}
  \end{center}
}
\providecommand{\includeimage}[1]{
  \begin{center}
    \includegraphics{\lessonimagespath#1}
  \end{center}
}
\providecommand{\includerepresentation}[1]{\begin{geogebra-representation}#1\end{geogebra-representation}}
\providecommand{\newpar}{


}
\providecommand{\contentwidth}[1][medium]{\begin{content-width}#1\end{content-width}}
\providecommand{\iere}{ère}
\providecommand{\ieme}{ème}
\providecommand{\entretitreetliste}{}

% Environnements :

\renewenvironment{formula}[1][]{\begin{bubble-formula}\subsubsection{#1}}{\end{bubble-formula}}
\renewenvironment{tip}[1][]{\begin{bubble-tip}\subsubsection{#1}}{\end{bubble-tip}}
\renewenvironment{demonstration}[1][]{\begin{bubble-proof}\subsubsection{#1}}{\end{bubble-proof}}
\renewenvironment{whitetabularx}[1]{\begin{tabularx}{\textwidth}{#1}}{\end{tabularx}}
