<schema>
  <key name="empty"        />
  <key name="var1"         />
  <key name="getname"      />
  <key name="getnametwice" />
  <key name="getdollars"   />
  <key name="getempty"     />
  <key name="getwords"     />

  <key name="int-var"     datatype="integer" />
  <key name="float-var"   datatype="float"   />
  <key name="neg-int"     datatype="integer" />
  <key name="true-var-1"  datatype="boolean" />
  <key name="true-var-2"  datatype="boolean" />
  <key name="true-var-3"  datatype="boolean" />
  <key name="false-var-1" datatype="boolean" />
  <key name="false-var-2" datatype="boolean" />
  <key name="false-var-3" datatype="boolean" />

  <key name="list-1" datatype="string-list" />
  <key name="list-2" datatype="string-list" />
  <key name="list-3" datatype="string-list" />
  <key name="list-4" datatype="string-list" />

  <!-- added by include.conf -->
  <key name="var2" />
  <key name="var3" />
  <key name="var4" />
</schema>
