added optional urn element under the node element in the rsepc

diff --git a/sfa/managers/pl/pl.rng b/sfa/managers/pl/pl.rng
index 3b46f88..349cb1b 100644 (file)
--- a/sfa/managers/pl/pl.rng
+++ b/sfa/managers/pl/pl.rng
@@ -65,6 +65,9 @@
           </attribute>
           <text/>
         </element>
+        <element name="urn">
+            <text/>
+        </element>
       </optional>
       <zeroOrMore>
         <ref name="sliver"/>