Confusion is the natural (dis-)order of things. Defy it.
You have to say what the fix you found was.
The bug was Knuth's translation of "Hello World" into MMIX opcodes in Fascicle 1 of TAOCP.For fun, I had written a disassembler for MMIX and hand-compared the opcodes in the book versus the ones from the disassembled binary. To my great surprise, a few of the opcodes didn't match up!Knuth explained that the opcodes had changed in some revision, and that he had forgotten to update the book example appropriately.
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