Merci Merlin :bravo: !
J’ai eu du mal mais j’ai fini par trouver grâce à ces discussions
http://abracadabrapdf.net/forum/index.php/topic,1960.msg10002.html#msg10002
http://abracadabrapdf.net/forum/index.php/topic,1613.msg7923.html#msg7923
http://abracadabrapdf.net/forum/index.php/topic,1419.msg6590.html#msg6590