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+GNU MDK -- History of visible changes.
+
+Copyright (C) 2000, 2001, Free Software Foundation, Inc.
+See the end for copying conditions.
+
+Please send mdk bug reports to jaortega@acm.org.
+
+*Version 0.2.1
+
+** MDK is now an official GNU packaga.
+
+*Version 0.2 (07/01/01)
+
+** mixvm provides virtual execution time statistics after each
+   invocation of run or next.
+
+** mixvm can trace instructions as they are executed. tron/troff
+   commands turn off/off instruction tracing.
+
+** mixvm accepts a new command, w2d, which computes the
+   decimal value of a MIX word given as a series of
+   bytes (e.g. - 01 00 34 32 22).
+
+** symbols can be defined at the mixvm prompt with the
+   new command ssym.
+
+** mixvm accepts a new command, weval, which allows the
+   evaluation of MIXAL w-expressions.
+
+** expressions containing strings of successive '*' are now
+   correctly evaluated.
+
+** When using block devices in mixvm, the buffers are now
+   flushed after each OUT operation.
+
+*Version 0.1.1 (18/11/00)
+
+** MDK is now compilable in rpm-based linuxes.
+** MDK fully compliant with Knuth's specification. In particular,
+   local symbols are now properly handled in special cases such as 
+     3H ORIG 3B 
+   instructions. See samples/stress{1,2}.mixal.
+** Future references affected by unary minus are accepted
+   with a warning (they are banned in Knuth's specification).
+   Also future refs in EQU directives are now properly handled.
+   See samples/stress{3,4}.mixal.
+** When mixvm executes a program and reaches the end of the
+   available memory without encountering a HALT instruction,
+   it halts anyway.
+
+*Version 0.1 (31/10/00)
+
+** Initial version
+
+-------------------------------------------------------
+Copying information:
+
+Copyright (C) 2000, Free Software Foundation, Inc.
+
+   Permission is granted to anyone to make or distribute verbatim copies
+   of this document as received, in any medium, provided that the
+   copyright notice and this permission notice are preserved,
+   thus giving the recipient permission to redistribute in turn.
+
+   Permission is granted to distribute modified versions
+   of this document, or of portions of it,
+   under the above conditions, provided also that they
+   carry prominent notices stating who last changed them.
+