anchor.diff:  [discrete]
   ===== Active Directory realm settings
   
  -The `type` setting must be set to `active_directory`. In addition to the
  -<<ref-realm-settings,settings that are valid for all realms>>, you can specify
  -the following settings:
  +In addition to the <<ref-realm-settings,settings that are valid for all realms>>,
  +you can specify the following settings:
   
   `url`::
   (<<static-cluster-setting,Static>>)
  
positive.code: [discrete]
  ===== SAML realm settings
  // tag::saml-description-tag[]
  The `type` setting must be set to `saml`. In addition to the
  <<ref-realm-settings,settings that are valid for all realms>>, you can specify
  the following settings.
  // end::saml-description-tag[]
  
  
negative.code: [[ref-kerberos-settings]]
  ===== Kerberos realm settings
  // tag::kerberos-description-tag[]
  In addition to the
  <<ref-realm-settings,settings that are valid for all realms>>, you can specify
  the following settings:
  // end::kerberos-description-tag[]
  