On Wed, Jun 9, 2010 at 12:09 PM, Bob Wyman <bob@xxxxxxxx> wrote: > >> [snip] >> I disagree. There may be no source feed at all... and therefore no >> reason for atom:source > > > You are, of course, correct. How about saying that "if there is a source > feed, you MUST provide an atom:source" ??? > >> That works for me.