HTTP/2 the missing state

There is a missing state in the HTTP/2 spec. Lets look at the closed state carefully: An endpoint that sends a RST_STREAM frame on a stream that is in the “open” or “half-closed (local)” state could receive any type of frame. The peer might have sent or enqueued for sending these frames before processing the RST_STREAM frame. An endpoint MUST minimally process and then discard any frames it...