eclipse/plugins/com.android.ide.eclipse.adt.overlay/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.5"?>
<plugin>
    <extension point="org.eclipse.wst.sse.core.formatProcessors">
        <processor
            class="com.android.ide.eclipse.adt.internal.editors.formatting.XmlFormatProcessor"
            contentTypeId="org.eclipse.core.runtime.xml">
        </processor>
    </extension>
</plugin>