A reader called us to task recently for using “taught” when we meant “taut.” We copy editors know the difference, of course. It’s embarrassing to miss a homonym mistake like that. This gives me a chance, though, to write about copy editing and proofreading. At the first newspaper I worked for, starting in 1976, proofreaders were part of the production process. They read galleys of stories and marked corrections to be made. When computers came into wide use in newspapers, the job of proofreader gradually disappeared. That doesn’t mean, however, that proofreading disappeared. We don’t have proofreaders at our[.....]