Collector #2390: Objects of type 'Help Image' were not properly

re-registered inside registerHelp().

(to be backported to 2.4 branch after 2.4.0 release)

doc/CHANGES.txt

@@ -4,6 +4,10 @@ Zope Changes
   Change information for previous versions of Zope can be found in the
   file HISTORY.txt.
 
+        - Collector #2390: Objects of type 'Help Image' were not properly
+          re-registered inside registerHelp().
+
+
     Zope 2.4 beta 2
 
       Bugs fixed

lib/python/App/ProductContext.py

@@ -357,7 +357,7 @@ class ProductContext:
         help.lastRegistered=DateTime()
 
         if clear:
-            for id in help.objectIds('Help Topic'):
+            for id in help.objectIds(['Help Topic','Help Image']):
                 help._delObject(id)
 
         for file in os.listdir(path):