> I'm a moderator on a French programming forum, and in the algorithm
> area, there are people that even don't know the FFT algorithm that
> want to make complicated thing with it, it is bound to fail. I suppose
> that indicating this "limitation" in the docstring is enough, so that
> people make the decision of is it enough or not
If someone does use fft but does not know it is better to use 2^n, will
he take a look at the docstrings :) ?

Well, if he's French, he won't look ;)

Matthieu