This is nice. Now, we no longer need to replace `text-decoration` by removing it and adding a `border-bottom`.

I don’t get why people want to control this. My experience is that it’s almost always a mistake when they do it, or that they were working around a bug in one specific platform/browser/font combination, at the cost of others. I don’t deny that legitimate uses exist, not quite, but it’s seldom a good idea.