Re: A modest proposal on extensibility

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On 10/10/2014 05:27 PM, Richard Barnes wrote:
> Talking to a few folks off-list, it seems like the extensibility
> discussion has gotten a bit muddled.  The goal of this message is
> to try to focus/clarify with a specific proposal.   It sounds like
> the general desiderata people have are: 1. To make it possible to
> add new values for strings/enums without major spec surgery 2. To
> make it easy for developers to find extensions
> 
> To that end, I would like to propose a way forward for
> extensibility:
> 
> <proposed-plan>
> 
> 1. Wherever a string/enum value is defined, insert something like
> the following: 1.1. This specification defines values X, Y, Z 1.2.
> Implementations MAY support other values 1.3. When an extension is
> made to add a value, a reference should be added to the
> "Extensions" section
> 
> 2. Wherever a string/enum value is used as a branch point, insert
> something like the following: 2.1. If X... If Y... If Z... 2.2. If
> another recognized value, process according to that value 2.3. If
> an unrecognized value, raise an NotSupportedError (or TypeError
> for enums)
> 
> 3. Add an "Extensions" section to the bottom of the spec, where
> links can be added to point to extension specs.

As noted on Bugzilla, as long as Extensions are in Errata, that's fine
by W3C Process I believe.

   cheers,
        harry

> 
> </proposed-plan>
> 
> Does that overall approach seem agreeable to people?
> 
> --Richard
> 
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Received on Friday, 10 October 2014 15:45:23 UTC