John McIntyre on varieties of plagiarism

John McIntyre, at You Don't Say, has some cogent remarks on self-plagiarism: Yesterday, writing at Poynter.org, Roy Peter Clark suggested that our current attitudes about plagiarism have conflated relatively minor or innocuous literary borrowings with serious thefts. One of the points he identified was the clamor about self-plagiarism. After quoting him, I'd like to add some [...]