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This manual is for GNU MDK (version 1.3.1, October, 2020), a set of utilities for developing programs using Donald Knuth’s MIX mythical computer and MIXAL, its assembly language.

Copyright © 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2013, 2014, 2015, 2020, 2022 Free Software Foundation, Inc.

> Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with the Invariant Sections being “GNU General Public License”, with the Front-Cover Texts being “A GNU Manual,” and with the Back-Cover Texts as in (a) below. A copy of the license is included in the section entitled “GNU Free Documentation License”.

> (a) The FSF’s Back-Cover Text is: “You have the freedom to copy and modify this GNU manual. Buying copies from the FSF supports it in developing GNU and promoting software freedom.”

GNU MDK was written and designed by Jose Antonio Ortega Ruiz.

Pieter E. J. Pareit is the author of the Emacs `MIXAL` mode (see MIXAL mode), and has also contributed many bug fixes.

Philip E. King has contributed to this package development with many helpful discussions, as well as actual code (see GUD integration).

Michael Scholz is the author of the German translation of MDK’s user interface.