work.suroh.tk/node_modules/hamljs/test/fixtures/comment.block.conditional.haml

/[if IE]
  %a{ 'href' : 'http://www.mozilla.com/en-US/firefox/' }
    %h1 Get Firefox
/[if IE]
  %a{ 'href' : 'http://www.mozilla.com/en-US/firefox/' }
    /[if IE 6]
      %h1 Get Firefox (IE6 user)
    /[if IE 7]
      %h1 Get Firefox (IE7 user)