              return null;
 Index: src/java/org/dellroad/stuff/vaadin/SimpleProperty.java
 ===================================================================
---- src/java/org/dellroad/stuff/vaadin/SimpleProperty.java	(revision 376)
+--- src/java/org/dellroad/stuff/vaadin/SimpleProperty.java	(revision 380)
 +++ src/java/org/dellroad/stuff/vaadin/SimpleProperty.java	(working copy)
 @@ -23,7 +23,7 @@
   * @see SimpleItem

Index: src/java/org/dellroad/stuff/vaadin/PropertyDef.java
===================================================================
--- src/java/org/dellroad/stuff/vaadin/PropertyDef.java	(revision 376)
+++ src/java/org/dellroad/stuff/vaadin/PropertyDef.java	(working copy)
@@ -32,7 +32,7 @@
  *  ...

     /**
Index: src/java/org/dellroad/stuff/vaadin/SimpleItem.java
===================================================================
--- src/java/org/dellroad/stuff/vaadin/SimpleItem.java	(revision 380)
+++ src/java/org/dellroad/stuff/vaadin/SimpleItem.java	(working copy)
@@ -91,7 +91,7 @@
      * @throws UnsupportedOperationException always
