inessential: Detect a Tap on a Link in a UITextView

Vesper’s detail view is a UITextView. When the keyboard is down, URLs inside the UITextView are tappable. I’d done just a little work with UITextView in the past. Though I’d seen UITextRange and UITextPosition in the headers, I had no idea how these things worked. So I figured it out. I published the code as a gist. You can probably improve the code. If you do, let me know. Still to do: figure out

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UITextView上のリンクタップを判定する方法