The Internet is awash with fake dates - old material 'up-dated' to make it appear current - but I wouldn't expect that sort of thing from SED which I have a dec

The Internet is awash with fake dates - old material 'up-dated' to make it appear current - but I wouldn't expect that sort of thing from SED which I have a decent amount of respect for. Perhaps the author took something he had written before, and really did update it before republishing?