title: How to enable #TODO/XXX/FIXME highlight in Spyder?
body: <p>I'm using Spyder for Python coding. However, I cannot have the highlight of #TODO/#FIXME/#XXX to work in Spyder. I have already checked the box in preferences setting. See the attached picture.<img src="https://i.stack.imgur.com/cHqeY.png" alt="enter image description here"></p>
  
  <p>Any hint? Thanks.</p>