[Ipsec] Minor comment/question on draft-ietf-ipsec-esp-v3-09.txt

Minor nit (or my misunderstanding of something), but in

2.3  Payload Data
   ...
   Note that the beginning of the next layer protocol header MUST be
   aligned relative to the beginning of the ESP header as follows. For
   IPv4, this alignment is a multiple of 4 bytes. For IPv6, the
   alignment is a multiple of 8 bytes.
   ...

I'm puzzled about what the "next layer protocol header" means? With
ESP, the packet really does not have any next layer header, that needs
alignment.

The paragraphah can be deleted?

[Of course, after inbound ESP processing we have the header and it
must be properly aligned, but that is a different matter.]

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