Re: ZIP-based packages and URI references into them ODF proposal

Ian Hickson wrote:
> On Tue, 30 Dec 2008, Julian Reschke wrote:
>> Ian Hickson wrote:
>>> On Tue, 30 Dec 2008, Julian Reschke wrote:
>>>> Does the spec specify how to parse or serialize a future element called
>>>> "foobar"?
>>> Yes.
>> OK, where, specifically, is the serialization defined?
> 
> It's not allowed.

Wow, great.

So I conclude that HTML5 does not address extensibility at all. I think 
it should.

> ...
>>>>>> That's a very verbose way to state "must ignore unknown values".
>>>>> It's a precise way of saying it, that leaves nothing ambiguous. 
>>>>> That's the whole point.
>>>> I think the same precision can be reached with less verbosity.
>>> Oh, well, I'm sure it can be said more tersely, sure. (Just out of 
>>> interest, how would you phrase it?)
>> I'd try to reduce repetition.
> 
> I thought I had tried to reduce repetition. Could you show the text you 
> would use? If it is better, I should use it in HTML5 for equivalent 
> passages.

I would just state what the two allowed values are, and what they 
indicate. Stating "if ... is present..." is (IMHO) unneeded; it it's not 
present, it won't have one of the values by definition.

 > ...

BR, Julian