title: How to select alternative subpaths in xpath
body: <p>This works:</p>
  
  <pre><code>(//someparentpath/h3 | //someparentpath/ul/li/div)/somechildpath
  </code></pre>
  
  <p>This does not :( Why?</p>
  
  <pre><code>//someparentpath/(h3 | ul/li/div)/somechildpath
  </code></pre>