[Python-3000] idle3.0 - is is supposed to work?

["Martin v. Löwis"]

>>> OTOH, IDLE ran w/o this error in p3yk...
>> Yes. Somebody would have to study what precisely the problem is: is it
>> that there is a None key in that dictionary, and that you must not use
>> None as a tag name? In that case: where does the None come from?
>> Or else: is it that you can use None as a tagname in 2.x, but can't
>> anymore in 3.0? If so: why not?
> 
> OK, I'll start looking at it.

So did I, somewhat. It looks like a genuine bug in IDLE to me: you
can't use None as a tag name, AFAIU. I'm not quite sure why this
doesn't cause an exception in 2.x; if I try to give a None tag
separately (i.e. in a stand-alone program) in 2.5,
it gives me the same exception.

Regards,
Martin