[Csv] Test case

[Skip Montanaro]

    >> I cvs up'd my Python source and confirmed that the problem is fixed
    >> there.  It's a problem in 2.3 and 2.4 though.  Any chance this can be
    >> fixed in time for 2.3.5?

    Andrew> The fix involved some radical surgery, so I doubt it's
    Andrew> appropriate for 2.3.5 - sorry.

Bummer.  Okay, we have a workaround in SpamBayes, and it is a pretty rare
corner case for that app.  Since we've bumped into this before do you think
it warrants a note in the docs?

Skip