That thread wasn't very articulate, but I think it's easy to get the gist.
Ali Want said:
There's a thread on the Terminal Boredom board which explains a little more: http://terminal-boredom.com/forums/index.php?topic=24544.0 and I seem to recall (although based on somewhat hazily-remembered conversations with Howland and Evans) that it was all sorted out somewhere along the line.