Authors of GNU MDK. See also the files THANKS and ChangeLog. Jose A. Ortega Ruiz designed and implemented mdk. Pieter E. J. Pareit designed, implemented and documented mixal-mode.el, and fixed bugs in other mdk code. Philip E. King designed and implemented mixvm.el. Michael Scholz wrote the German translation po/de.po. Sergey Poznyakoff provided patches to mixlib/mix_scanner.l improving MIXAL compliance. Sergey Litvin implemented SLB, SRB, JAE, JAO, JXE, JXE instructions in mixvm.