The <movie-series>Star Wars series
<movie xlink:href="http://www.starwars.com/episode-i"
  xlink:title="The Phantom Menace"/>
<movie xlink:href="http://www.starwars.com/episode-ii"
  xlink:title="Attack of the Clones"/>
<movie xlink:href="http://www.starwars.com/episode-iii"
  xlink:title="Episode Three"/>
<movie xlink:href="http://www.starwars.com/episode-iv"
  xlink:title="A New Hope"/>
<movie xlink:href="http://www.starwars.com/episode-v"
  xlink:title="The Empire Strikes Back"/>
<movie xlink:href="http://www.starwars.com/episode-vi"
  xlink:title="Return of the Jedi"/>
<linkto xlink:from="movie-series" xlink:to="movie"/>
</movie-series> continually expands the possibilities
of special effects.
