[Python-Dev] Nonlocal shortcut

[Terry Reedy]

Fabio Zadrozny wrote:
> Hi,
> 
> I'm currently implementing a parser to handle Python 3.0, and one of
> the points I found conflicting with the grammar specification is the
> PEP 3104.
> 
> It says that a shortcut would be added to Python 3.0 so that "nonlocal
> x = 0" can be written. 

As near as I can tell from testing, that did not happen. The PEP needs 
revision to delete that or push it to a later version.

 > However, the latest grammar specification
> (http://docs.python.org/dev/3.0/reference/grammar.html?highlight=full%20grammar)
> doesn't seem to take that into account... So, can someone enlighten me
> on what should be the correct treatment for that on a grammar that
> wants to support Python 3.0?