minor elaboration

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197016 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/fo/FObjMixed.java

@@ -79,7 +79,10 @@ public class FObjMixed extends FObj {
         }
 
         FOText ft = new FOText(data, start, length, textInfo, this);
+        
+        /* characters() processing empty for FOTreeHandler, not empty for RTF & MIFHandlers */
         getFOTreeControl().getFOInputHandler().characters(ft.ca, ft.start, ft.length);
+
         addChild(ft);
     }