[Python-Dev] Re: Stability and change

Guido van Rossum guido@python.org
Mon, 08 Apr 2002 09:19:17 -0400

> How does this amount of effort (keeping two CVS repositories in sync)
> compare to maintaining just one tree but with "feature-test macros" as
> one might try to do in C?

I expect that most of the incompatibilities are the use of some tiny
new shortcut in the language (think of +=, or list comprehensions,
except that these were 2.0 features) where it really doesn't pay to do
a version test -- instead, you end up coding in the old dialect.

--Guido van Rossum (home page: http://www.python.org/~guido/)