<schemalist>
  <schema id='org.gtk.test.schema'>
    <key name='test' type='s'>
      <choices>
        <choice value='who'/>
        <choice value='what'/>
        <choice value='where'/>
        <choice value='when'/>
        <choice value='why'/>
      </choices>
      <default>'how'</default>
    </key>
  </schema>
</schemalist>