[issue12726] explain why locale.getlocale() does not read system's locales

Changes by Éric Araujo : -- nosy: +docs@python, eric.araujo stage: -> needs patch versions: +Python 2.7, Python 3.2, Python 3.3 ___ Python tracker ___ __

[issue12726] explain why locale.getlocale() does not read system's locales

New submission from Alexis Metaireau : The documentation about locale.getlocale() doesn't talk about the fact that the locale isn't read from the system locale. Thus, it seemed strange to have locale.getlocale() returning (None, None). As it seems to be the expected behaviour, it seems useful