Another way to spell __metaclass__, revisited (was Re: why * is not like unquote)

[Anders J. Munch]

"Peter Hansen" <peter at engcorp.com> wrote:
>You have written this definition:
> 
>   class tmp(cPreviewFrame, *addins): 
> 
> as though it were a function call, which it is not.  It's a
> statement, introduced by the "class" keyword, which happens
> to use parentheses to help with the syntax.  

What if the base list did become more like a function call?  
The positional parameters would then be the base list, and keyword
arguments could be exploited to provide a nicer spelling for
__metaclass__.

 class derived(base, metaclass=interface): ...

- Anders