title: emacs: Which plugin is this?
body: <p>I have seen many times this 'colourful' plugin but I cannot find which one it is. Any ideas?</p>
  
  <p><a href="https://i.stack.imgur.com/CYKdh.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CYKdh.png" alt="enter image description here"></a></p>