[(#REM) Cf.: http://paulirish.com/2008/conditional-stylesheets-vs-css-hacks-answer-neither/ ]
[(#DATE_DEBUT|jour)][(#DATE_DEBUT|nom_mois|couper{3})]. [(#DATE_DEBUT|jour|=={[(#DATE_FIN|jour)]}|?{ [(#HORAIRE|=={oui}|?{- [(#REM) memes heures ?] [(#DATE_DEBUT|=={#DATE_FIN}|?{ [(#DATE_DEBUT|heures)]:[(#DATE_DEBUT|minutes)],''})] [(#REM) pas memes heures ?] [(#DATE_DEBUT|!={#DATE_FIN}|?{ [(#DATE_DEBUT|heures)]:[(#DATE_DEBUT|minutes)] / [(#DATE_FIN|heures)]:[(#DATE_FIN|minutes)],''})] ,''})] , [(#HORAIRE|=={oui}|?{- [(#DATE_DEBUT|heures)]:[(#DATE_DEBUT|minutes)],''})] / [(#DATE_FIN|jour)] [(#DATE_FIN|nom_mois|couper{3})] [(#HORAIRE|=={oui}|?{- [(#DATE_FIN|heures)]:[(#DATE_FIN|minutes)] ,''})] })]