FETCH clarifies that it means you get everything, and there's no option to specify a DELIVERY TIMEOUT like SUBSCRIBE.
My understanding is that if the Delivery Timeout is not present, you'll get all the requested Objects eventually. Since either subscriber or publisher can specify a timeout, I suspect most subscriptions would specify one.
FETCH clarifies that it means you get everything, and there's no option to specify a DELIVERY TIMEOUT like SUBSCRIBE.
My understanding is that if the Delivery Timeout is not present, you'll get all the requested Objects eventually. Since either subscriber or publisher can specify a timeout, I suspect most subscriptions would specify one.