\documentclass{article} \usepackage[T1]{fontenc} \usepackage[french]{babel} \usepackage[version=3]{acro} \DeclareAcroArticle{definite}{\nospace} \NewAcroCommand\dacs{m}{\acrodefinite\UseAcroTemplate{short}{#1}} \NewAcroCommand\Dacs{m}{\acroupper\acrodefinite\UseAcroTemplate{short}{#1}} \NewAcroCommand\dacl{m}{\acrodefinite\UseAcroTemplate{long}{#1}} \NewAcroCommand\Dacl{m}{\acroupper\acrodefinite\UseAcroTemplate{long}{#1}} \DeclareAcronym{hadopi}{ short = HADOPI , long = Haute Autorit\'{e} pour la diffusion des \oe uvres et la protection des droits sur l’Internet , short-definite = l'\nospace , long-definite = la , } \begin{document} \dacs{hadopi} \Dacl{hadopi} \end{document}