A related comment on section 5.4:

> >>    It can be seen that all of these transport protocol
> options can be
> >>    supported by the basic GIST message format already
> >presented.  GIST
> >>    messages requiring fragmentation must be carried using
> a reliable
> >>    transport protocol, TCP or SCTP.  This specification
> >defines only the
> >>    use of TCP, but other possibilities could be included without
> >>    additional work on message formatting.


> >
> >  Also, s/must/MUST/.

OK.