(Reposting to supply the URL that I forgot to include.:-() I have released a small update to Plex to fix the problem of assignment to None causing syntax warnings or errors in Python 2.3 and later.
http://www.cosc.canterbury.ac.nz/greg.ewing/python/Plex What is Plex? Plex is a Python module for lexical analysis that provides similar functionality to Lex and Flex. -- Greg -- http://mail.python.org/mailman/listinfo/python-list
