Acknowledgements

Thanks to Carsten Bormann for supporting creation of this specification. Parts of the explanatory text in this specification come from [TIME-TAGS].

Thanks to these people for reviews of the specification: Henk Birkholz, Carsten Bormann, Samita Chakrabarti, Roman Danyliw, Linda Dunbar, Benjamin Kaduk, Erik Kline, Warren Kumari, Barry Leiba, Thiago Macieira, Francesca Palombini, Michael Richardson, Kyle Rose, Jim Schaad, Juergen Schoenwaelder, Éric Vyncke, Robert Wilton, and Dale Worley.