src/plugin/parse-metatags/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<plugin
   id="parse-metatags"
   name="MetaTags"
   version="1.0"
   provider-name="digitalpebble.com">

   <runtime>
      <library name="parse-metatags.jar">
         <export name="*"/>
      </library>
   </runtime>

   <extension id="org.apache.nutch.parse.metatags.parser"
              name="MetaTags Parser"
              point="org.apache.nutch.parse.ParseFilter">
      <implementation id="MetaTagsParser"
                      class="org.apache.nutch.parse.metatags.MetaTagsParser"/>
   </extension>

</plugin>