[Python-Dev] Policy Decisions, Judgment Calls, and Backwards Compatibility (was Re: splitext('.cshrc'))
"Martin v. Löwis"
martin at v.loewis.de
Fri Mar 9 19:18:23 CET 2007
Phillip J. Eby schrieb:
> At 08:57 AM 3/9/2007 +0100, Martin v. Löwis wrote:
>> In the case that triggered the discussion, the change implemented
>> was not an incompatible change, because the new implementation still
>> met the old specification (which, of course, was underspecified).
> No, it wasn't, actually. Read the doc strings, which state exactly what
> the code does.
The doc strings were precise, yes. The documentation (Doc/lib) was
underspecified and allowed for both interpretations:
Split the pathname path into a pair (root, ext) such that root + ext ==
path, and ext is empty or begins with a period and contains at most one
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