You might find these at least periperally useful: <http://www.brunningonline.net/simon/blog/archives/001291.html> <http://www.brunningonline.net/simon/blog/archives/001292.html>
They refer to address formatting rather than de-duping - but normalising soulds like a useful first step to me. -- Cheers, Simon B, [EMAIL PROTECTED], http://www.brunningonline.net/simon/blog/ -- http://mail.python.org/mailman/listinfo/python-list