Description
Tightened spec, formalized many definitions earlier, incorporated many suggestions for improving definitions, moved base class, non-normative ref to WS-Calendar to Section 2, Changes made up only though Section 5 (6 and 7 may require complete re-write)
Only incorporated Holmberg suggestions up through Chapter 5.
Notes in ALL CAPS are known wholes. You could submit language for them instead of just pointing them out ;->