# Acknowledgements

Many thanks to Nico Amtsberg, William Annis, Marc Baily, Peter Barabas, Jonah Beckford, Arto Bendiken, Peter Bex, Jean-François Bignolles, Dave Bodenstab, Fabian Böhlke, T. Kurt Bond, Ashley Bone, Dominique Boucher, Terence Brannon, Roy Bryant, Adam Buchbinder, Hans Bulfone, Category 5, Taylor Campbell, Franklin Chen, Thomas Chust, Gian Paolo Ciceri, John Cowan, Grzegorz Chrupa&#322;a, James Crippen, Tollef Fog Heen, Alejandro Forero Cuervo, Linh Dang, Brian Denheyer, dgym, Chris Double, Jarod Eells, Petter Egesund, Steve Elkins, Daniel B. Faken, WIll Farr, Graham Fawcett, Fizzie, Kimura Fuyuki, Tony Garnock-Jones, Martin Gasbichler, Joey Gibson, Stephen C. Gilardi, Joshua Griffith, Johannes Grødem, Damian Gryski, Mario Domenech Goulart, Andreas Gustafsson, Sven Hartrumpf, Jun-ichiro itojun Hagino, Matthias Heiler, Karl M. Hegbloom, William P. Heinemann, Bill Hoffman, Bruce Hoult, Hans Hübner, Markus Hülsmann, Goetz Isenmann, Paulo Jabardo, David Janssens, Christian Jaeger, Dale Jordan, Valentin Kamyshenko, Daishi Kato, Peter Keller, Brad Kind, Ron Kneusel, Matthias Koeppe, Krysztof Kowa&#322;czyk, Todd R. Kueny Sr, Goran Krampe, Micky Latowicki, John Lenz, Kirill Lisovsky, Kon Lovett, Dennis Marti, Charles Martin, Bob McIsaac, Alain Mellan, Eric Merrit, Perry Metzger, Scott G. Miller, Mikael, Bruce Mitchener, Chris Moline, Eric E. Moore, Julian Morrison, Dan Muresan, Lars Nilsson, Ian Oversby, o.t., Gene Pavlovsky, Levi Pearson, Nicolas Pelletier, Carlos Pita, Robin Lee Powell, Pupeno, Davide Puricelli, Doug Quale, Eric Raible, Joel Reymont, Andreas Rottman, David Rush, Lars Rustemeier, Daniel Sadilek, Oskar Schirmer, Burton Samograd, Reed Sheridan, Ronald Schröder, Spencer Schumann, Alex Shinn, Shmul, Tony Sidaway, Jeffrey B. Siegal, Andrey Sidorenko, Michele Simionato, Volker Stolz, Dorai Sitaram, Robert Skeels, Jason Songhurst, Clifford Stein, Sunnan, Zbigniew Szadkowski, Mike Thomas, Minh Thu, Christian Tismer, Andre van Tonder, John Tobey, Henrik Tramberend, Vladimir Tsichevsky, Neil van Dyke, Sander Vesik, Panagiotis Vossos, Shawn Wagner, Peter Wang, Ed Watkeys, Thomas Weidner, Goeran Weinholt, Matthew Welland, Joerg Wittenberger, Peter Wright, Mark Wutka, Richard Zidlicky and Houman Zolfaghari for bug-fixes, tips and suggestions.

CHICKEN uses the PCRE regular expression package (http://www.pcre.org), which is written by Philip Hazel.

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

Also special thanks to Benedikt Rosenau for his constant encouragement.

CHICKEN contains code from several people:

Eli Barzilay
  some performance tweaks used in TinyCLOS.
Mikael Djurfeldt
  topological sort used by compiler.
Marc Feeley
  pretty-printer.
Aubrey Jaffer
  implementation of `dynamic-wind`.
Richard O'Keefe
  sorting routines.
Olin Shivers
  implementation of `let-optionals[*]` and reference implementations of SRFI-1, SRFI-13 and SRFI-14.
Andrew Wilcox
  queues.
Andrew Wright
  pattern matcher.

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