## Acknowledgements

Many thanks to "alicemaz", Jules Altfas, Nico Amtsberg, Alonso Andres, William Annis, Jason E. Aten, Marc Baily, Peter Barabas, Andrei Barbu, Jonah Beckford, Arto Bendiken, Andy Bennett, Kevin Beranek, Peter Bex, Jean-Francois Bignolles, Oivind Binde, Alaric Blagrave Snell-Pym, Dave Bodenstab, Fabian Böhlke, T. Kurt Bond, Ashley Bone, Dominique Boucher, Christopher Brannon, Terence Brannon, Roy Bryant, Adam Buchbinder, Hans Bulfone, "Category 5", Taylor Campbell, Naruto Canada, Mark Carter, Esteban U. Caamano Castro, Semih Cemiloglu, Alex Charlton, Franklin Chen, Joo ChurlSoo, Thomas Chust, Gian Paolo Ciceri, Fulvio Ciriaco, Paul Colby, Tobia Conforto, John Cowan, Grzegorz Chrupala, James Crippen, Evan Hanson, Adhi Hargo, Moritz Heidkamp, Tollef Fog Heen, Drew Hess, Alejandro Forero Cuervo, Peter Danenberg, Linh Dang, Brian Denheyer, Sean D'Epagnier, "dgym", "Don", Chris Double, "Brown Dragon", David Dreisigmeyer, Jarod Eells, Petter Egesund, Stephen Eilert, Steve Elkins, Daniel B. Faken, Erik Falor, Will Farr, Graham Fawcett, Marc Feeley, Mark Fisher, "Fizzie", Matthew Flatt, Kimura Fuyuki, Tony Garnock-Jones, Martin Gasbichler, Abdulaziz Ghuloum, Joey Gibson, Stephen C. Gilardi, Mario Domenech Goulart, Joshua Griffith, Johannes Groedem, Damian Gryski, Matt Gushee, Andreas Gustafsson, Sven Hartrumpf, Jun-ichiro itojun Hagino, Ahdi Hargo, Matthias Heiler, Karl M. Hegbloom, Moritz Heidkamp, William P. Heinemann, Bill Hoffman, Eric Hoffman, Bruce Hoult, Hans Hübner, Markus Hülsmann, Götz Isenmann, Paulo Jabardo, Wietse Jacobs, David Janssens, Christian Jäger, Robert Jensen, Matt Jones, Dale Jordan, Valentin Kamyshenko, Daishi Kato, Peter Keller, Christian Kellermann, Brad Kind, Ron Kneusel, "Kooda", Matthias Köppe, Krysztof Kowalczyk, Andre Kühne, Todd R. Kueny Sr, Goran Krampe, David Krentzlin, Ben Kurtz, Sebastien Marie, Alice Maz, Michele La Monaca, Micky Latowicki, Kristian Lein-Mathisen, "LemonBoy", John Lenz, Kirill Lisovsky, Jürgen Lorenz, Kon Lovett, Lam Luu, Arthur Maciel, Vitaly Magerya, Leonardo Valeri Manera, Claude Marinier, Dennis Marti, Charles Martin, Bob McIsaac, "megane", Alain Mellan, Eric Merrit, Perry Metzger, Scott G. Miller, Mikael, Karel Miklav, Bruce Mitchener, Fadi Moukayed, Chris Moline, Eric E. Moore, Julian Morrison, Dan Muresan, David N. Murray, Timo Myyrä, "nicktick", Lars Nilsson, Ian Oversby, "o.t.", Gene Pavlovsky, Levi Pearson, Jeronimo Pellegrini, Nicolas Pelletier, Derrell Piper, Carlos Pita, "Pluijzer", Robin Lee Powell, Alan Post, "Pupeno", Davide Puricelli, "presto", Doug Quale, Imran Rafique, Eric Raible, Ivan Raikov, Santosh Rajan, Peder Refnes, Joel Reymont, Kay Rhodes, "rivo", Chris Roberts, Eric Rochester, Paul Romanchenko, Andreas Rottman, David Rush, Lars Rustemeier, Daniel Sadilek, Otavio Salvador, Burton Samograd, "Sandro", "satori", Aleksej Saushev, Oskar Schirmer, Vasilij Schneidermann, Reed Sheridan, Ronald Schröder, Spencer Schumann, Ivan Shcheklein, Alexander Shendi, Alex Shinn, Ivan Shmakov, "Shmul", Tony Sidaway, Jeffrey B. Siegal, Andrey Sidorenko, Michele Simionato, Iruata Souza, Volker Stolz, Jon Strait, Dorai Sitaram, Robert Skeels, Sandra Snan, Jason Songhurst, Clifford Stein, David Steiner, "Sunnan", Zbigniew Szadkowski, Rick Taube, Nathan Thern, Mike Thomas, Minh Thu, Christian Tismer, Andre van Tonder, John Tobey, Henrik Tramberend, Vladimir Tsichevsky, James Ursetto, Neil van Dyke, Sam Varner, Taylor Venable, Sander Vesik, Jaques Vidrine, Panagiotis Vossos, Shawn Wagner, Peter Wang, Ed Watkeys, Brad Watson, Thomas Weidner, Göran Weinholt, Matthew Welland, Drake Wilson, Jörg Wittenberger, Peter Wright, Mark Wutka, Adam Young, Richard Zidlicky, Houman Zolfaghari and Florian Zumbiehl for bug-fixes, tips and suggestions.

Special thanks to Brandon van Every for contributing the (now defunct) CMake support and for helping with Windows build issues.

Thanks to Pablo Beyen and bevuta IT GmbH for their awesome support.

Also special thanks to Benedikt Rosenau for his constant encouragement.

Felix especially wants to thank Dunja Winkelmann for putting up with all of this and for her constant support.

CHICKEN contains code from several people:

Marc Feeley
  pretty-printer.
Richard Kelsey, Jonathan Rees and Taylor Campbell
  core of the `syntax-rules` expander
Aubrey Jaffer
  initial implementation of `dynamic-wind`.
Richard O'Keefe
  sorting routines.
Alex Shinn
  the irregex regular expression package.
Olin Shivers
  implementation of `let-optionals[*]`.

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