Kathleen Moriarty's No Objection on draft-ietf-xmpp-posh-04: (with COMMENT)

Kathleen Moriarty has entered the following ballot position for
draft-ietf-xmpp-posh-04: No Objection

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COMMENT:
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Nice work on this draft!  I do have a few comments that I'd like to chat
about.

In the examples, could you switch them to have sha-256 as the low mark
instead of sha-1?  sha-1 is only a problem if you need collision
resistance, but since it's just used in examples, it might be easier to
just get rid of it.

In the first paragraph of the Security Considerations section, could you
add a reference to RFC7525 as well?  Otherwise, it looks great.  It
should fit in nicely after the RFC2818 reference. Thanks.