There is a new version of the UCD specification document on the IVOA Twiki,
labelled 1.9.9 in expectation of its promotion to version 2.0 at the IVOA
interop meeting today in Strasbourg.
The draft is available as pdf and MS word (links below). Please try to read this before the meeting today.
Thank You
Roy Williams
http://www.ivoa.net/internal/IVOA/IvoaUCD/UCD-1.9.9.pdf http://www.ivoa.net/internal/IVOA/IvoaUCD/UCD-1.9.9.doc