idnits 2.17.1 

draft-ietf-ipngwg-ipv6-tunnel-08.txt:
  Skipping this file; it looks like a tombstone file to me.
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1	This Internet-Draft was published as a Proposed Standard RFC, RFC 2473
2	(http://www.ietf.org/rfc/rfc2473.txt), on 1998-12-07.

4	The name of the internet-draft was draft-ietf-ipngwg-ipv6-tunnel-07.txt