Important fix! The DTMLValidate speedup to security machinery was marking

objects as changed when OFS.DTMLMethod inserted DTMLValidate as self.validate.
This sidesteps the problem by modifying the object's __dict__ instead.

lib/python/OFS/DTMLMethod.py

@@ -84,7 +84,7 @@
 ##############################################################################
 """DTML Method objects."""
 
-__version__='$Revision: 1.68 $'[11:-2]
+__version__='$Revision: 1.69 $'[11:-2]
 
 import History
 from Globals import HTML, DTMLFile, MessageDialog
@@ -180,7 +180,7 @@ class DTMLMethod(RestrictedDTML, HTML, Acquisition.Implicit, RoleManager,
 
         security=getSecurityManager()
         security.addContext(self)
-        self.validate = security.DTMLValidate
+        self.__dict__['validate'] = security.DTMLValidate
         try:
         
             if client is None:
@@ -200,7 +200,7 @@ class DTMLMethod(RestrictedDTML, HTML, Acquisition.Implicit, RoleManager,
 
         finally:
             security.removeContext(self)
-            del self.validate
+            del self.__dict__['validate']
 
         have_key=RESPONSE.headers.has_key
         if not (have_key('content-type') or have_key('Content-Type')):