Unnamed

<template>
  <fragment id="doc">
    <html>
     <head>
        . . .
     </head>
     <body>
       <use ref="template_body" />
     </body>
  </fragment>

  <fragment id="template_body">
    <speak><H1>Hello world!</H1><P>I can speak!</P></speak>
  </fragment>
</template