<xi:include href="ARB_vertex_array_object.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
+<xi:include href="ARB_sync.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
+
<xi:include href="ARB_seamless_cube_map.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>