reversed() is newer than Python 2.3, I think?
SpamBayes had accumulated *a lot* of boilerplate code to work around shortcomings in Python 2.2.
Supporting such an old version didn't seem to make any sense. Given that I wanted to dump
Python 2.2 compatibility I needed to decide what the oldest version to support would be. I
settled on 2.4:
Understood. I mistakenly thought 2.3 was still supported.