Content length, EOF -- ways to resolve whether we received everything

[Sean Conner]

It was thus said that the Great Björn Wärmedal once stated:
> Yes, this is true. Would that cause an issue? In that case calling it
> "x-gemi-content-length" should resolve it, as the "x-" prefix is for
> experimental types and any receiver that doesn't recognize it will ignore
> it. 

  RFC-6648 deprecates the whole "X-" thing.

  -spc