In-band signalling often seems to have this issue where it's not 100% clear what is part of the message and what is part of the meta-message. Edit: I think it'

In-band signalling often seems to have this issue where it's not 100% clear what is part of the message and what is part of the meta-message. Edit: I think it's mildly amusing and further drives the point hom that some people in this thread missed endnote 1, where you say it was not the actual prefix.