Route of change where DTMLMethod removed self.__dict__['validate'] and would

raise an error on duplicat removal due to recursive entry.

doc/CHANGES.txt

@@ -170,6 +170,10 @@ Zope Changes
         work properly (thanks to Alastair Burt for reporting and submitting 
         the patch).
 
+      - Fixed case where DTMLMethod.py complained when it tried to remove
+        the accelerated DTML security validation routine after recursive
+	entry.
+
     Zope 2.4 beta 2
 
       Bugs fixed

lib/python/OFS/DTMLMethod.py

@@ -84,7 +84,7 @@
 ##############################################################################
 """DTML Method objects."""
 
-__version__='$Revision: 1.69 $'[11:-2]
+__version__='$Revision: 1.70 $'[11:-2]
 
 import History
 from Globals import HTML, DTMLFile, MessageDialog
@@ -200,7 +200,8 @@ class DTMLMethod(RestrictedDTML, HTML, Acquisition.Implicit, RoleManager,
 
         finally:
             security.removeContext(self)
-            del self.__dict__['validate']
+            try: del self.__dict__['validate']
+            except: pass
 
         have_key=RESPONSE.headers.has_key
         if not (have_key('content-type') or have_key('Content-Type')):
@@ -214,6 +215,9 @@ class DTMLMethod(RestrictedDTML, HTML, Acquisition.Implicit, RoleManager,
             self.ZCacheable_set(result)
         return result
 
+    def validate(self, inst, parent, name, value, md=None):
+        return getSecurityManager().validate(inst, parent, name, value)
+
     def ZDocumentTemplate_beforeRender(self, md, default):
         # Tries to get a cached value.
         if self._cache_namespace_keys: