examples/date_demoX.py dependancy on LOCALE

hello it seems that the two examples date_demo1 et

    > date_demo2 do not work if LC_TIME is not C. At least, they
    > don't work with fr_FR.UTF-8 nor with fr_FR.

    > Is this a known problem? is it a python or a matplotlib
    > problem? -- Pierre

Could you be more specific about what you mean "don't work"? Do they
crash, do they have the wrong timezone, are the date strings formatted