bundles/org.eclipse.equinox.p2.tests/testData/updatesite/site/site.xml

<?xml version="1.0" encoding="UTF-8"?>
<site>
   <feature url="features/a.f_1.0.0.jar" id="a.f" version="1.0.0">
      <category name="a"/>
   </feature>
   <feature url="features/b.f_1.0.0.jar" id="b.f" version="1.0.0">
      <category name="b"/>
   </feature>
   <category-def name="a" label="Category One">
      <description>
         This is the first category.
      </description>
   </category-def>
   <category-def name="b" label="Category Two">
      <description>
         This is the second category.
      </description>
   </category-def>
</site>