<schemalist>
  <schema id='org.gtk.test.schema'>
    <key name='test' type='s'>
      <choices>
        <choice value='before'/>
        <choice value='after'/>
      </choices>
      <aliases>
        <alias value='before' target='after'/>
      </aliases>
      <default>'after'</default>
    </key>
  </schema>
</schemalist>