"PL" == Pierre Labrecque pierre.labrecque@live.ca writes:
PL> I have receive today a request : is it possible for this generic user to PL> view ONLY the pages in ONLY one category ?
Well, in https://bugzilla.wikimedia.org/show_bug.cgi?id=7897 you can see how I stopped users from _edit_ing categories. So you would probably make three different usergroups etc...