[Python-3000] Pre-peps on raise and except changes

[Greg Ewing]

Collin Winter wrote:
> On 1/26/07, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:

>> That wording doesn't seem to cover the case where
>> E is an instance of a subclass of BaseException.
> 
>>>> class A: pass
>>>> class B(A): pass
>>>> isinstance(B(), A)

Technically I suppose it's right, but it doesn't sound
very clear to me.

Maybe something like

    E may be an exception class or an instance of an
    exception class. Valid exception classes are
    BaseException and its subclasses.

--
Greg