<html>
  <head>
    <title>combine_css example</title>
    <link rel="stylesheet" type="text/css" href="styles/yellow.css">
    <link rel="stylesheet" type="text/css" href="styles/blue.css">
    <link rel="stylesheet" type="text/css" href="styles/big.css">
    <link rel="stylesheet" type="text/css" href="styles/bold.css">

    <!-- The ones below this comment not marked as "ok" shouldn't be combined
         for various reasons, and +debug should indicate why. The ones marked
         "ok" are there as separators to elicit the debug messages.  These won't
         create errors on their own, but they also won't be combined because
         there's nothing to combine them with. -->
    <link rel="stylesheet" id="theres-an-id" type="text/css"
          href="styles/big.css">
    <!--ok--><link rel="stylesheet" type="text/css" href="styles/big.css">
    <link rel="stylesheet"
          data-foo="a data-foo attribute"
          data-bar="a data-bar attribute"
          type="text/css" href="styles/big.css">
    <!--ok--><link rel="stylesheet" type="text/css" href="styles/big.css">
    <link rel="stylesheet"
          data-foo="a data-foo attribute"
          data-bar="a data-bar attribute"
          data-baz="a data-baz attribute"
          type="text/css" href="styles/big.css">
    <!--ok--><link rel="stylesheet" type="text/css" href="styles/big.css">
    <link rel="stylesheet" media="print" type="text/css" href="styles/big.css">
    <!--ok--><link rel="stylesheet" type="text/css" href="styles/big.css">
    <noscript>
    <link rel="stylesheet" type="text/css" href="styles/big.css">
    </noscript>
    <!--ok--><link rel="stylesheet" type="text/css" href="styles/big.css">
    <style>h1 { color: green }</style>
    <!--ok--><link rel="stylesheet" type="text/css" href="styles/big.css">
    <!--[if IE 6]>
    <link rel="stylesheet" type="text/css" href="styles/big.css">
    <![endif]-->
    <!--ok--><link rel="stylesheet" type="text/css" href="styles/big.css">
  </head>
  <body>
    <div class="blue yellow big bold">
      Hello, PageSpeed!
    </div>
  </body>
</html>

Test html file missing from r4028
Test html file missing from r4028