[rfc-i] On backwards compatibility for v2

Dave Crocker dhc at dcrocker.net
Mon Feb 10 12:51:18 PST 2014


On 2/10/2014 12:39 PM, Nico Williams wrote:
> I see nothing wrong with: "use the v2 tool for formatting docs in the
> v2 schema, use the v3 tool for formatting docs in the v3 schema, use
> the v3 schema for all new docs".  The users here can handle that.

No.  That's an inappropriate requirement, when growing a system, and it 
has a long history of coming back to bite folks in the ass.


>> So I suggest declaring backward compatibility an explcit requirement, just
>> so no one else gets confused.
>
> I'd rather have a wart-less, clean v3.

It's true that the real world is ugly and awkward.


>> Might even want to say that the conversion tool is for those who happen to
>> want to upgrade, but that it isn't required.
>
> If you have an explicit backwards-compat requirement why should there
> be a conversion tool?

I'm a bit confused about that too.

d/


-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net


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