sending WINDOW_UPDATE when in reserved (remote)

Hi All.

Firefox receives a PUSH_PROMISE  from node-http2 (speaking -14). That puts
Firefox into reserved-remote and node into reserved-local.

Firefox sends a WINDOW_UPDATE on that stream and node replies with GOAWAY
Protocol-Error

Section 5.1 of -14 has this to say:
*reserved (local):*
* [..]*

*A PRIORITY <http://http2.github.io/http2-spec/index.html#PRIORITY> frame
MAY be received in this state. Receiving any type of frame other than
RST_STREAM <http://http2.github.io/http2-spec/index.html#RST_STREAM> or
PRIORITY <http://http2.github.io/http2-spec/index.html#PRIORITY> on a
stream in this state MUST be treated as a connection error (Section 5.4.1
<http://http2.github.io/http2-spec/index.html#ConnectionErrorHandler>) of
type PROTOCOL_ERROR
<http://http2.github.io/http2-spec/index.html#PROTOCOL_ERROR>. *

point to node! However it also has this to say:

*reserved (remote): [..]*

*An endpoint MAY send a PRIORITY
<http://http2.github.io/http2-spec/index.html#PRIORITY> frame in this state
to reprioritize the reserved stream. An endpoint MUST NOT send any type of
frame other than RST_STREAM
<http://http2.github.io/http2-spec/index.html#RST_STREAM>, WINDOW_UPDATE
<http://http2.github.io/http2-spec/index.html#WINDOW_UPDATE>, or PRIORITY
<http://http2.github.io/http2-spec/index.html#PRIORITY> in this state. *

point to firefox! We're all winners here.

Which state should be changed?

-Patrick