[Checkins] SVN: zope.schema/trunk/src/zope/schema/_field.py more details

[Godefroid Chapelle]

Log message for revision 119077:
  more details

Changed:
  U   zope.schema/trunk/src/zope/schema/_field.py

-=-
Modified: zope.schema/trunk/src/zope/schema/_field.py
===================================================================
--- zope.schema/trunk/src/zope/schema/_field.py	2010-12-23 19:18:49 UTC (rev 119076)
+++ zope.schema/trunk/src/zope/schema/_field.py	2010-12-25 11:46:06 UTC (rev 119077)
@@ -463,6 +463,8 @@
         return errors
     # if `value` is part of a cyclic graph, we need to break the cycle to avoid
     # infinite recursion.
+    #
+    # (use volatile attribute to avoid persistency/conflicts)
     if hasattr(value, '_v_schema_being_validated'):
         return errors
     # Mark the value as being validated.