[181639] Adding missing mapping for ActivityGroup::subgroup.
diff --git a/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2ecore b/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2ecore
index ec31597..cd049d0 100644
--- a/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2ecore
+++ b/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2ecore
@@ -220,6 +220,9 @@
   <nested>
     <outputs href="UML.ecore#//Transition/trigger"/>
   </nested>
+  <nested>
+    <outputs href="UML.ecore#//ActivityGroup/subgroup"/>
+  </nested>
   <inputs href="../../org.eclipse.uml2/model/UML2.ecore#/"/>
   <outputs href="UML.ecore#/"/>
 </ecore2ecore:Ecore2EcoreMappingRoot>
diff --git a/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2xml b/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2xml
index 262fbdd..119e747 100644
--- a/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2xml
+++ b/plugins/org.eclipse.uml2.uml/model/UML2_2_UML.ecore2xml
@@ -176,4 +176,8 @@
     <key xsi:type="ecore:EReference" href="UML.ecore#//Transition/trigger"/>
     <value xMLRepresentation="0"/>
   </ecoreToXMLInfo>
+  <ecoreToXMLInfo>
+    <key xsi:type="ecore:EReference" href="UML.ecore#//ActivityGroup/subgroup"/>
+    <value xMLRepresentation="1"/>
+  </ecoreToXMLInfo>
 </ecore2xml:XMLMap>