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. * Richard Stallman () suggested various improvements to the documentation and has always kept an eye on every MDK release. * 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. * 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. * 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 (), Aleix Conchillo (), Ruslan Batdalov (), WeiZheng () and Sascha Wilde reported (sometimes with 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. * MDK was inspired by Darius Bacon's MIXAL program (http://www.accesscom.com/~darius/).