<slideset>
  <slide id="1">
  <text>
  <line string="What about the slide format?"/>
  <break/>
  <line string="yeh, what about it">?</line>
  </text>
  <vrml>Sphere { radius 0.5 }</vrml>
  </slide>
  <slide id="2">
  <vrml>Sphere { radius 0.5 }</vrml>
  </slide>
  </slideset>