making python scripts backwards compatible

[Fredrik Lundh]

Brian Quinlan wrote:

> This is a completely unreasonable request, which Guido fielded in -dev
> recently; he pointed out that there is little point in adding language
> features to Python if development is anchored to old language versions.

development of what?  given the context of the -dev discussion, I'm
not sure Guido's brain was switched on when he posted that note:

    he pointed out that there is little point in adding language
    features to [the Python interpreter] if [library] development
    is anchored to old language versions

fwiw, the latest PIL still works with 1.5 (and maybe earlier).  if Guido
thinks that affects his work on the interpreter in any way, I'd say he
needs a vacation ;-)

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