On 24 May 2005, at 4:07 pm, Robert Sayre wrote:
4.2.9 (editorial): The atom:link element is explicitly described as empty, which violates the rules in 6 for foreign element extension. Remove "is an empty element that".
That's not an editorial change, that's newly allowing extension elements in a place most people (such as Paul and myself) assumed they weren't.
Graham