title: NSTextAttachment and touch events
body: <p>I have a UITextView (in edit mode) with few images (as NSTextAttachment). I'd like to intercept touch events on these. </p>
  
  <p>I have set a delegate on the UITextView but <code>textView:shouldInteractWithTextAttachment:inRange:</code> is never called.</p>
  
  <p>(from the forums it seems that the UITextView's <code>editable</code> property should be <code>NO</code> for this to work, but not as per the official documentation)</p>
  
  <p>The editor looks like this:
  <img src="https://api.monosnap.com/image/download?id=RZvRIV9l393lh4TIYnxPlvguihJ8Bs" alt="Editor"></p>