PDD 03 Issue: keyword arguments

[Sam Ruby]

Python provides the ability for any function to be called with either 
positional or keyword [1] arguments.  Here is a particularly brutal example:

    args={'a':1,'b':2,'c':3}
    def f(a,b,c): return (a,b,c)
    def g(b,c,a): return (a,b,c)
    for j in [f,g]: print j(1,2,3)
    for j in [f,g]: print j(a=1,b=2,c=3)
    for j in [f,g]: print j(*args.values())
    for j in [f,g]: print j(**args)
I see nothing in pdd 03 that provides any guidance as to how to handle 
this.  What makes this issue so critical is that any solution will 
potentially affect *every* function.

- Sam Ruby
P.S. Jython handles the above test correctly.  Iron-Python handles all 
but the **args properly.

[1] http://docs.python.org/ref/calls.html