[(#REM) declarer les hidden qui declencheront le service du formulaire
parametre : url d'action ]
#ACTION_FORMULAIRE
<[(#DIV|sinon{ul})] class='editer-groupe'>
<[(#DIV|sinon{li})] class="editer_assigner editer">
[(#DIV|sinon{li})]>
[(#DIV|sinon{ul})]>