An error in RFC 4446 "IANA Allocations for Pseudowire Edge to Edge Emulation (PWE3)"

Hi, all:

I came accross an error in RFC 4446 "IANA Allocations for Pseudowire 
Edge to Edge Emulation (PWE3)".

In Sec 3.2, it says:
"   0x000B  IP Layer2 Transport                              [RFC3032]"

it should be:   
   0x000B  IP Layer2 Transport                        [draft-ietf-l2tpext-pwe3-ip]
   
The same problem also exists in web page version http://www.iana.org/assignments/pwe3-parameters.

I wonder how about the status of this expired WG draft, will any more work 
continue on this document or just expired as it is? 
 I also wonder whether we should define a PW type for IP payload so that
everything on PW is possible.
Any comments?
   
   Thanks,
Yuanlong Jiang

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