[Checkins] SVN: Zope3/branches/3.3/doc/CHANGES.txt - added a warning to the bugfix for the '(no value)' issue. Subclasses'

[Christian Theune]

Log message for revision 68760:
   - added a warning to the bugfix for the '(no value)' issue. Subclasses'
     behaviour might break due to a change in the internal API of the superclass.
  
  

Changed:
  U   Zope3/branches/3.3/doc/CHANGES.txt

-=-
Modified: Zope3/branches/3.3/doc/CHANGES.txt
===================================================================
--- Zope3/branches/3.3/doc/CHANGES.txt	2006-06-19 17:51:24 UTC (rev 68759)
+++ Zope3/branches/3.3/doc/CHANGES.txt	2006-06-19 17:58:17 UTC (rev 68760)
@@ -21,8 +21,13 @@
       - Fixed issue 575: Inconsistent raising of TraversalError
 
       - Fixed issue 592: Made handling of '(no value)' entries for selection
-        widgets cleaner and consistent
+        widgets cleaner and consistent.
 
+        WARNING: This fix includes internal class changes for the
+        zope.app.form.browser.itemswidgets.ItemsEditWidgetBase. If you
+        subclass this class (directly or indirectly) you have to watch out for
+        subtle breakages.
+
       - Fixed issue 634: Changed lookup for pre-marshallers to use component
         architecture.