draft-freed-mime-p4-04 is apparently superseded by..

[Jeff.Hodges at KingsMountain.com]

>   http://www.ietf.org/html.charters/avt-charter.html

So just fwiw, the AVT WG's mailing list archives require a small amount of 
grovelling to find (for me anyways). They aren't pointed to by the above AVT 
charter page, for instance.

This appears to be them..

ftp://ftp.ietf.org/ietf-mail-archive/avt/

..and current discussion is here..

ftp://ftp.ietf.org/ietf-mail-archive/avt/current


JeffH