Acknowledgements

Many thanks to Christoph M. Friedrich, John Heuer, Kurt Hornik,
Torsten Hothorn, Saikat Debroy, Matthew Kelly, Brian D. Ripley,
Jake Luciani, Jens Nieschulze, Deepayan Sarkar, Louis Springer,
Duncan Temple Lang, Luis Torgo, Arend P. van der Veen, and 
Felix Weninger for comments, suggestions, bug reports, and patches.

Special thanks to Prof. Ripley for solving some tough Windows
porting issues that had completely stumped us.
