[Zope3-dev] Re: Backward compatibility and major releases (series) update

[Tres Seaver]

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Christian Theune wrote:
> Am Mittwoch, den 22.08.2007, 16:15 -0400 schrieb Tres Seaver:
>>> I eventually came to the conclusion that our original conclusion was  
>>> sound, but that we should only introduce backward incompatibilities  
>>> when the need is very dire, as it will cause lots of pain.
> 
> +1 from me as well.
> 
>> +1.  Cleanliness is not a good enough reason to break a public API,
>> for instance.  If necessary, the incompatible stuff might be better
>> off moving to a new package / API name altogether, with the old name
>> left as a pure compatibility shim (perhaps wich "evergreen" deprecation
>> warnings).
> 
> By that you mean that we put deprecation warnings in place and tell
> people where to find the new stuff without the time-pressure notices
> like "will go away when you don't look"? :)

Right.  I don't think removing public APIs is useful, for the reasons
Jim was outlining:  the chance of breaking unknown dependents is not
worth the cleanup (e.g., zLOG).



Tres.
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Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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