<tt xmlns:ttm="http://www.w3.org/2006/10/ttaf1#metadata" xmlns:ttp="http://www.w3.org/2006/10/ttaf1#parameter"
  xmlns:tts="http://www.w3.org/2006/10/ttaf1#style"
  xmlns="http://www.w3.org/ns/ttml"
  xmlns="http://www.w3.org/2006/10/ttaf1">
  <head>
    <styling>
      <style id="s0"
        tts:textDecoration="underline"/>
      <style id="s1"
        tts:textDecoration="lineThrough"/>
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  </head>
  <body>
    <div>
      <p style="s0" begin="10s" end="18s" tts:textDecoration="noUnderline">text 1</p>
    </div>
    <div>
      <p style="s1" begin="20s" end="28s" tts:textDecoration="noLineThrough">text 1</p>
    </div>
  </body>
</tt>
