title: Set part of a UILabel's text bold and another part italic
body: <p>Is there a way to set part of a <code>UILabel</code> to be bold and another part italic?</p>
  
  <p>As in </p>
  
  <blockquote>
    <p>The <em>quick brown</em> fox <strong>jumps over</strong> the lazy dog.</p>
  </blockquote>
  
  <p>It doesn't seem I can do this using <a href="https://github.com/TTTAttributedLabel/TTTAttributedLabel" rel="nofollow">TTTAttributedLabel</a></p>