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Re: UMP / CORS: Implementor Interest

From: Maciej Stachowiak <mjs@apple.com>
Date: Tue, 11 May 2010 15:16:57 -0700
Cc: Dirk Pranke <dpranke@google.com>, Tyler Close <tyler.close@gmail.com>, Ojan Vafai <ojan@chromium.org>, Anne van Kesteren <annevk@opera.com>, "public-webapps@w3.org" <public-webapps@w3.org>, Adam Barth <w3c@adambarth.com>, Arthur Barstow <Art.Barstow@nokia.com>
Message-id: <A515BA46-8B90-485F-9C8D-0CB278C3DD28@apple.com>
To: Jonas Sicking <jonas@sicking.cc>

On May 11, 2010, at 1:57 PM, Jonas Sicking wrote:

> On Tue, May 11, 2010 at 1:34 PM, Dirk Pranke <dpranke@google.com>  
> wrote:
>> On Tue, May 11, 2010 at 12:01 PM, Tyler Close  
>> <tyler.close@gmail.com> wrote:
>>> On Tue, May 11, 2010 at 11:41 AM, Ojan Vafai <ojan@chromium.org>  
>>> wrote:
>>>> What is the difference between an "authoring guide" and a  
>>>> "specification for
>>>> web developers"?
>>>
>>> The difference is whether or not the normative statements in UMP
>>> actually are normative for a CORS implementation. This comes down to
>>> whether or not a developer reading UMP can trust what it says, or  
>>> must
>>> he also read the CORS spec.
>>>
>>>>  The key point of making this distinction is that
>>>> implementors should be able to look solely at the combined spec.
>>>
>>> No, the key point is to relieve developers of the burden of reading
>>> and understanding CORS. The CORS spec takes on the burden of  
>>> restating
>>> UMP in its own algorithmic way so that an implementor can read only
>>> CORS.
>>
>> If figuring out how to have two specs is too much hassle, you could
>> probably get 90%+ of what people are looking for by putting all of  
>> the
>> normative stuff in the CORS spec and writing an informational note
>> describing UMP that only discusses the subset of CORS needed for UMP.
>
> That is exactly what I propose. I'd also call the informational UMP
> note developer documentation, and make it easier to read for
> developers than what a spec could ever be. But that's less important
> if people feel otherwise.

The approach suggested by Dirk and Jonas seems sensible to me.

Regards,
Maciej
Received on Tuesday, 11 May 2010 22:17:31 GMT

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