[IPsec] RFC5996bis editorial change in section 1. Introduction (Was Re: Editorial changes to RFC5996)

[Tero Kivinen <[e-mail]>]

[I am now doing these editorial changes, and I will be sending
separate emails for each of them, just so I can keep track of what is
changed and where, and you can complain if I miss or misinterpret
something (but do not complain about missing changes before I send
email that I have processed all of the changes).]

Yaron Sheffer writes:
> By the way, your correction #2 still does not do it IMHO. The sentence 
> refers to RFC 5996. So:
> 
> "IKEv2 as stated in RFC 4306 was a change to the IKE protocol that was 
> not backward compatible. RFC 5996 revised RFC 4306 to provide a 
> clarification of IKEv2, making minimum changes to the IKEv2 protocol. 
> The current document slightly revises RFC 5996 to make it suitable for 
> progression to Internet Standard."

Changed

	IKEv2 was a change to the IKE protocol that was not backward
	compatible. In contrast, the current document not only
	provides a clarification of IKEv2, but makes minimum changes
	to the IKE protocol. A list of the significant differences
	between RFC 4306 and RFC 5996 is given in <xref
	target='sect-1.7'/> and differences between RFC 5996 and this
	document is given in <xref target='sect-1.8' />.</t>

to:

	IKEv2 as stated in RFC 4306 was a change to the IKE protocol
	that was not backward compatible. RFC 5996 revised RFC 4306 to
	provide a clarification of IKEv2, making minimum changes to
	the IKEv2 protocol. The current document slightly revises RFC
	5996 to make it suitable for progression to Internet Standard.
	A list of the significant differences between RFC 4306 and RFC
	5996 is given in <xref target='sect-1.7'/> and differences
	between RFC 5996 and this document is given in <xref
	target='sect-1.8' />.</t>
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