2.2 features

[Paul Prescod]

Tim Peters wrote:
> 
> [Paul Prescod]
> > ...
> > Yes "x in class y" would be a boolean expression elsewhere but that's
> > just like the current exception syntax which looks like a tuple
> > constructor but isn't really. Either we try to reuse syntax or we don't.
> 
> The current exception syntax *does* accept a tuple constructor:  the special
> case you're "seeing" doesn't actually exist.  For example,
> 
>     try:
>         # whatever
>     except (OverflowError, ZeroDivisionError):
>         pass

I'm talking about the comma between the variable name and the exception
type. It looks like a tuple constructor or an unpack or something else
tuple-related. It also looks totally symmetrical which is another
problem.

> ... Combine it with some backward-compatibility hacks, and you can do
> some, umm, "interesting" things with this:

I wouldn't want to interfere with that important feature. <wink>

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