[Python-Dev] draft pep: backwards compatibility

[Antoine Pitrou]

<glyph <at> divmod.com> writes:
> 
> This is a false dichotomy; for core developers, the list needs to be 
> exhaustive.  Everything that can change needs to be described as either 
> compatible or incompatible.

How do you enumerate "everything that can change"? It does not look like a
finite set to me (but perhaps I'm wrong); and certainly not like a set of a size
reasonable enough to be enumerated in a human-readable way :)