[sldev] AppendedAcks

[Thomas Grimshaw]

Hey all,

I was just wondering if there was any practical reason why AppendedAcks 
are not zerocoded in the packet data?

Saving a few bytes means fitting more Acks into each message, 
potentially reducing the number of PacketAck messages being sent, which 
means a potentially substantial protocol overhead reduction.

This could also be implemented  with backward compatibility by using a 
new flag to indicate zerocoded appendedacks.

~T