plugins/org.eclipse.emf.compare.diff/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>
   <extension-point id="org.eclipse.emf.compare.diff.engine" name="org.eclipse.emf.compare.diff.engine" schema="schema/org.eclipse.emf.compare.diff.engine.exsd"/>
   <extension-point id="org.eclipse.emf.compare.diff.extension" name="org.eclipse.emf.compare.diff.extension" schema="schema/org.eclipse.emf.compare.diff.extension.exsd"/>
   <extension-point id="org.eclipse.emf.compare.diff.mergerprovider" name="org.eclipse.emf.compare.diff.mergerprovider" schema="schema/org.eclipse.emf.compare.diff.mergerprovider.exsd"/>

  <extension point="org.eclipse.emf.ecore.generated_package">
    <package 
       uri = "http://www.eclipse.org/emf/compare/diff/1.1" 
       class = "org.eclipse.emf.compare.diff.metamodel.DiffPackage"
       genModel = "model/diff.genmodel" /> 
  </extension>
  <extension
         point="org.eclipse.emf.compare.diff.engine">
      <diffengine
            engineClass="org.eclipse.emf.compare.diff.engine.GenericDiffEngine"
            priority="lowest"
            icon="icons/DiffEngine.gif"
            label="Generic Differencing Engine"/>
   </extension>
  <extension
        point="org.eclipse.emf.compare.diff.mergerprovider">
     <mergerprovider
           fileExtension="*"
           mergerProviderClass="org.eclipse.emf.compare.diff.internal.merge.DefaultMergerProvider"
           priority="lowest">
     </mergerprovider>
  </extension>
</plugin>