[Python-Dev] Re: Stability and change

Guido van Rossum guido@python.org
Wed, 29 May 2002 17:03:45 -0400

> On Wed, May 29, 2002 at 04:44:20PM -0400, Guido van Rossum wrote:
> >"""While the Python developers do their best to make every subsequent
> >release backwards compatible with previous releases, in a system of
> >this complexity, sometimes incompatibilities in odd corners of the
> >language are unavoidable.  While we expect that these will affect only
> I don't like this text, because the section on porting should also
> mention changes such as 'yield' becoming a keyword.  Changes like that
> are hardly accidental, and hardly in an obscure corner.  I'll try to
> come up with a different leading paragraph.

Good point.  Though yield has been foreshadowed by a warning and a
future statement in 2.2, so it's only news for people porting from
2.1 or before.

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