Acknowledgements

Acknowledgements

Jim Schaad provided helpful comments and reminded us that column-major order still is in use. Jeffrey Yaskin helped improve the definition of homogeneous arrays. IANA helped correct an error in a previous draft version. Francesca Palombini acted as Shepherd, and Alexey Melnikov as responsible Area Director. Elwyn Davies as Gen-ART reviewer and IESG members Martin Vigoureux, Adam Roach, Roman Danyliw, and Benjamin Kaduk helped in finding further improvements to the text; thanks also to the other reviewers.