title: Proper way to include data with an HTTP PATCH request
body: <p>When I'm putting together an HTTP PATCH request, what are my options to include data outside of URL parameters?</p>
  
  <p>Will any of the following work, and what's the most common choice?</p>
  
  <ul>
  <li>multipart/form-data</li>
  <li>application/x-www-form-urlencoded</li>
  <li>Raw JSON</li>
  <li>...any others?</li>
  </ul>