% Fichier ex12.5-3.tex - Ch. Rolland/O Reilly France
\documentclass{article}
\usepackage[latin1]{inputenc}
\begin{document}
\newcounter{entoure}
\setcounter{entoure}{0}
\newenvironment{enumentoure}{%
\begin{list}{\textcircled{%
\tiny\arabic{entoure}}}{%
\usecounter{entoure}%
\setlength{\labelsep}{1em}%
\setlength{\leftmargin}{2em}%
\setlength{\labelwidth}{1.5em}%
\setlength{\listparindent}{0cm}}}{\end{list}}
\begin{enumentoure}
\item élément 1 ;
\item élément 2 ;
\item élément 3.
\end{enumentoure}
\end{document}
