<feature
id="org.eclipse.contribution.spiderfeature"
version="1.0.2">
<requires>
      <import plugin="org.eclipse.core.resources"/>
      ...
      </requires>
      ...
      <plugin
         id="org.eclipse.contribution.spider"
         version="0.0.1">
      </plugin>
</feature>

Example 4: Feature description for distributing the Spider plug-in.