= doctype html
html lang=en
  head
    meta charset=utf-8
    title Comments
  body
    / This is a single line comment which is not rendered.
    /
      This is a multiple lines comment
      which is not rendered.
    // This is a single line comment which is rendered as an HTML comment.
    //
      This is a multiple lines comment
      which is rendered as an HTML comment.
    = conditionalComment hidden IE 6
      
You are using Internet Explorer 6.
    = conditionalComment revealed !IE
      
