Not all subjects with permissions are shown in the list to edit the permissions. E.g. login with oidc provider https://onto-deside.ilabt.imec.be/css11/, webid https://onto-deside.ilabt.imec.be/css11/construction_user2/profile/card#me, email construction_user2@example.com and password construction_user2. The list shows only public access, while the logged in user (construction_user2) has rwc right, and following users have read rights: https://onto-deside.ilabt.imec.be/css11/construction_user3/profile/card#me, https://onto-deside.ilabt.imec.be/css11/construction_user4/profile/card#me, https://onto-deside.ilabt.imec.be/css11/construction_user5/profile/card#me. 
Not all subjects with permissions are shown in the list to edit the permissions.
E.g. login with oidc provider https://onto-deside.ilabt.imec.be/css11/, webid https://onto-deside.ilabt.imec.be/css11/construction_user2/profile/card#me, email construction_user2@example.com and password construction_user2.
The list shows only public access, while the logged in user (construction_user2) has rwc right, and following users have read rights: https://onto-deside.ilabt.imec.be/css11/construction_user3/profile/card#me, https://onto-deside.ilabt.imec.be/css11/construction_user4/profile/card#me, https://onto-deside.ilabt.imec.be/css11/construction_user5/profile/card#me.