title: How to get group name of highlighting under cursor in vim?
body: <p>I usually customize existing <code>colorscheme</code> to meet my needs.  </p>
  
  <p>If I could get the syntax group name under cursor, it would help me a lot, just like <a href="http://getfirebug.com/" rel="noreferrer">Firebug</a> but in Vim. I'd like to know how to do it.</p>