reqt.rng in metanorma-gb-1.2.0

- old
+ new

@@ -23,9 +23,14 @@
     <optional>
       <attribute name="obligation">
         <ref name="ObligationType"/>
       </attribute>
     </optional>
+    <optional>
+      <attribute name="unnumbered">
+        <data type="boolean"/>
+      </attribute>
+    </optional>
     <attribute name="id">
       <data type="ID"/>
     </attribute>
     <optional>
       <attribute name="filename"/>