Doctests for nested functions

[Just]

In article <1158972773.947401.326850 at i42g2000cwa.googlegroups.com>,
 bearophileHUGS at lycos.com wrote:

> Can doctests be added to nested functions too? (This can be useful to
> me, I use nested function when I don't have attributes that I have to
> remember, but I want to split the logic in some subparts anyway).

I think we had that discussion before, but that's not what nested 
functions are for (in Python). Use modules for that. Also solves your 
doctest problem nicely.

Just