13.3.1) No operator for 'add' 13.3.2) No <error-option> for rollback-on-error 13.3.3) No format parameter for text or XML encoding -- to unsubscribe send a message to netconf-request@ops.ietf.org with the word 'unsubscribe' in a single line as the message text body. archive: <http://ops.ietf.org/lists/netconf/>