Acknowledgements **************** Many people have further contributed to MDK by reporting problems, suggesting various improvements, or submitting actual code. Here is a list of these people. Help me keep it complete and exempt of errors. * Philip Ellis King () provided MIXAL test programs pinpointing bugs in the first MDK release, and useful discussions as well. Philip has also contributed with the Emacs port of `mixvm' and influenced the `gmixvm' GUI design with insightful comments and prototypes. * Aleix Conchillo () has been following MDK's development for many years, indefatigably chasing and fixing bugs, and suggesting many improvements. He's also the author of the Fink and Macports ports, and took care of keeping Guile support up to date. * Pieter E.J. Pareit () is the author of the Emacs MIXAL mode, and has also contributed many bug fixes. * Michael Scholz () is the author of the German translation of MDK's user interface. * Sergey Poznyakoff() provided patches to mixlib/mix_scanner.l improving MIXAL compliance. * Francesc Xavier Noria () kindly and thoroughly reviewed the MDK documentation, providing insightful advice. * Eric S. Raymond contributed the documentation file doc/MIX.DOC and the samples sample/elevator.mixal, sample/mistery.mixal from his MIXAL package. * Agustin Navarro (), Ying-Chieh Liao (), Adrian Bunk (), Baruch Even () and Ronald Cole () created and/or maintain packages of MDK for different operating systems. * Jason Uhlenkott, Andrew Hood (), Radu Butnaru () Ruslan Batdalov (), WeiZheng (), Sascha Wilde, Michael Vernov and Xiaofeng Zhao reported (sometimes with suggested fixes) several bugs in MDK. * Nelson H. F. Beebe (, http://www.math.utah.edu/~beebe) has tested MDK in a lot of Unix platforms, suggesting portability enhancements to the source code. * Christoph von Nathusius (), Stephen Ramsay () and Johan Swanljung () tested MDK on different platforms. * Eli Bendersky (), Milan Bella () and Jens Seidel reported several documentation bugs. * Richard Stallman () suggested various improvements to the documentation and has always kept an eye on every MDK release. * MDK was inspired by Darius Bacon's MIXAL program (http://www.accesscom.com/~darius/).