1. A method for operating a digital communication system, said method comprising:transmitting blocks of information from a transmitter to a receiver of the digital communication system;
said receiver responding to said transmitting by sending one of an ACK (acknowledgement) and a NACK (negative acknowledgement) in response to each said transmitted block of information;
detecting, at the receiver, a receiver outage wherein the receiver itself is temporarily not functioning properly;
indicating, from the receiver, which of said sent NACKs and ACKs are receiver outage NACKs and receiver outage ACKs sent in response to a block of said information received during said receiver outage;
adapting subsequent transmissions based on said ACKs and said NACKs while excluding one of (a) said receiver outage NACKs and (b) said receiver outage NACKs and said receiver outage ACKs; and
sending the subsequent transmissions based on the adapting.