Robert Sayre wrote:

I worry that any statement like Bill's suggested text will confer legitimacy on Atom 0.3 as long as the RFC is available. *Every* current implementor is aware of the issue, so the short term benefit of such text is pretty much nil. Long term, the text will actually be harmful.

+1 to this sentiment - I take it this means we're saying no to the interop text in the spec?