Status of PEP's?

[David Eppstein]

In article <3C855C40.9061EF31 at cosc.canterbury.ac.nz>,
 Greg Ewing <greg at cosc.canterbury.ac.nz> wrote:

> > the outer expressions should be or_expr to respect Python's
> > precedence rules
> 
> I can't find 'or_expr', but I'm looking at the 1.5.2
> grammar. Has it been added later?

I was getting it from the 2.1 grammar.

> > and the inner one should be identifier.
> 
> That's a bit too restrictive -- any lvalue should be
> allowed (as for-in does). Unfortunately there's no
> grammar symbol corresponding exactly to an lvalue.

Ok, right.  It should be or_expr again, to match the 2.1 grammar.