If the writer of the commentary on the answer to this question were one of my students, and if he were not named Arthur Fuller, I would submit his name to a student ethics committee on the grounds of plagiarism.
As already mentioned, please read:
No obfuscation whatsoever was attempted when this piece of text was stolen. Apologies are demanded, and the writer should have all previously gained points confiscated.
Kenneth Spencer
You never know: reading my book: "All about your computer" might just tell you something you never knew!
lulu.com/kaspencer