css/css-namespaces/syntax-010.xml

<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <link rel="author" title="Anne van Kesteren" href="http://annevankesteren.nl/"/>
  <link rel="author" title="Opera Software ASA" href="http://opera.com/"/>
  <link rel="help" href="http://www.w3.org/TR/css-namespaces-3/#syntax"/>
  <link rel="match" href="reference/ref-lime-3.xml"/>
  <meta name="flags" content="invalid"/>
  <title>CSS Namespaces Test Suite: duplicate @namespace declarations</title>
  <style>
   @namespace "1";
   @namespace dummy "yummy";
   @namespace "2";
   *|t { background:lime }
   t { background:red }
  </style>
  <style>
   @namespace "1";
   @namespace dummy "yummy";
   @namespace "2";
   *|t2 { background:red }
   t2 { background:lime }
  </style>
  <style>
   @namespace x "1";
   @namespace dummy "yummy";
   @namespace x "2";
   *|t3 { background:red }
   x|t3 { background:lime }
  </style>
 </head>
 <body>
  <p><t xmlns="1">This sentence should have a green background.</t></p>
  <p><t2 xmlns="2">This sentence should have a green background.</t2></p>
  <p><t3 xmlns="2">This sentence should have a green background.</t3></p>
 </body>
</html>