title: Error with | in Swift
body: <p>Can someone explain me why it shows error here. I follow the tutorial, but maybe in swift 2, it doesn't true if typing like this.</p>
  
  <p><a href="https://i.stack.imgur.com/dGwry.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/dGwry.png" alt="enter image description here"></a></p>