Re: Proposed Design Principles

On Mar 27, 2007, at 10:55 PM, John Joseph Bachir wrote:

>
>
> On Tue, 27 Mar 2007, Maciej Stachowiak wrote:
>
>> http://esw.w3.org/topic/HTML/ProposedDesignPrinciples
>>
>> I'd appreciate feedback on these. Are any important principles  
>> missing? Are any of these wrong? Do they need refinement?
>
> How about "optional extensibility is more important than new  
> features".
>
> Instead of introducing new features, introduce a system by which  
> users may add their own features.
>
> Yes, I dream of syntactic macros in HTML.
>
> But my fantasies aside, I think some note about the value of  
> extensibility should be included.

I'm not sure I understand this proposal well enough to turn it into a  
clearly stated and justified design principle. Please help me out.  
Who is the target of the extensibility? What kind of extensions can  
they make? What problems does this solve?

Regards,
Maciej