Someone else started it, but Knuth continued it. So two people made mistakes. It's understandable and I might do the same in his situation (once I'm important e

Someone else started it, but Knuth continued it. So two people made mistakes. It's understandable and I might do the same in his situation (once I'm important enough for an article, of course). But it's still against policy and if it continued some people's articles would read like blogs.