How do I put a html tag conditional in jade?

Question

In jade, I want to put in a html tag conditional as per this method, which puts in

Answer 1

This method works, with the closing html tag:

!!! 5
//if lt IE 7
    
//if IE 7
    
//if IE 8
    
// [if gt IE 8] 

from: https://gist.github.com/kmiyashiro/1140425#comment-675550

Update:

As pointed out by kumar-harsh this behaviour has now been depreciated, if you need this functionality you now should use regular html:

from: https://github.com/visionmedia/jade/issues/1345?source=cc#issuecomment-31920732