plugins/org.eclipse.xsd/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>
<plugin>
   <extension point="org.eclipse.emf.ecore.generated_package">
      <package
            uri="http://www.eclipse.org/xsd/2002/XSD"
            class="org.eclipse.xsd.XSDPackage"
            genModel="model/XSD.genmodel"/>
   </extension>

   <extension
         point="org.eclipse.emf.ecore.extension_parser">
      <parser
            type="xsd"
            class="org.eclipse.xsd.util.XSDResourceFactoryImpl"/>
   </extension>

   <extension point="org.eclipse.emf.ecore.content_parser">
      <parser
            contentTypeIdentifier="org.eclipse.xsd"
            class="org.eclipse.xsd.util.XSDResourceFactoryImpl"/>
   </extension>

   <extension point="org.eclipse.core.contenttype.contentTypes">
      <content-type
            base-type="org.eclipse.core.runtime.xml"
            file-extensions="xsd"
            id="org.eclipse.xsd"
            name="%_UI_XSD_content_type"
            priority="normal">
         <describer class="org.eclipse.core.runtime.content.XMLRootElementContentDescriber2">
            <parameter name="element" value="{http://www.w3.org/2001/XMLSchema}schema"/>
            <parameter name="element" value="{http://www.w3.org/2000/10/XMLSchema}schema"/>
            <parameter name="element" value="{http://www.w3.org/1999/XMLSchema}schema"/>
         </describer>
      </content-type>
   </extension>

   <extension point="org.eclipse.team.core.fileTypes">
      <fileTypes
            extension="xsd"
            type="text"/>
   </extension>

   <extension
         id="diagnostic"
         name="%_UI_XMLSchemaDiagnostic_marker"
         point="org.eclipse.core.resources.markers">
      <super type="org.eclipse.core.resources.problemmarker"/>
      <persistent value="true"/>
      <attribute name="diagnostic"/>
    </extension>
</plugin>