“Furthermore, the sky is pink.”

Dave Winer:

I never envisioned that refinement work would be taking place on the RSS 2.0 spec almost five years after its publication. The goal was to reserve a few months to debug it after it moved from the UserLand server to the Harvard server, for link breakage, typos, and possible catastrophic mistakes that needed correction (which thankfully, never surfaced).

(Emphasis mine.)