Hidding value of attributes with .acl file in epic 5.2

[ptc-1163500]

Hello everybody, I have a list of attributes in one element of my dtd and I want to hide some attributes of this element. For exemple I have

anonymous wrote:

<!ATTLIST fiche type (CSU|CCU|xPU|xNM) #REQUIRED>

[ptc-1163500]

Hello everybody, I'm waiting for your help. I saw nothing in internet and I don't found any other solution. If someone want I attach my .acl file to see how it's manage, I'll do it. thanks in advance