PaceAnchorSupport and PaceDifferentRelValue don't seem very useful, and they weren't proposed by implementors. The spec is extremely well-written and reflects existing behavior.
Can we please un-expire this: http://philringnalda.com/rfc/draft-ietf-atompub-autodiscovery-01.html and be done? -- Robert Sayre "I would have written a shorter letter, but I did not have the time."
