added master-reference

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@194538 13f79535-47bb-0310-9956-ffa450edef68

src/codegen/foproperties.xml

@@ -1690,6 +1690,12 @@
     <datatype>String</datatype>
     <default></default>
   </property>
+  <property>
+    <name>master-reference</name>
+    <inherited>false</inherited>
+    <datatype>String</datatype>
+    <default></default>
+  </property>
   <property>
   <name>maximum-repeats</name>
   <inherited>false</inherited>