Problem with date_demo3.py?

Using matplotlib 0.84, python 2.4, scipy 0.3.2, numeric

    > 23.7. date_demo3.py does not work as is.

    > Below is a 'diff' file that will create a date_demo3.py that
    > does what I think the original intended to do.

Strange, I am not aware of a date_demo3.py

  matplotlib/examples> ls date*.py
  date_demo1.py date_demo2.py date_demo_convert.py date_demo_rrule.py

What am I missing (aside from date_demo3.py <wink>)?

JDH