Eric Scheid wrote:
> On 9/6/06 8:33 AM, "James M Snell" <[EMAIL PROTECTED]> wrote:
> 
>> wrt the exclusive attribute, some blogging systems only allow one
>> category per entry.
>>
>> <app:categories fixed="yes">
>>   <app:scheme
>>     ref="http://myblog.example.net/categories";
>>     fixed="yes" exclusive="yes">
> 
> and presumably only from that one specified scheme?
> 

Right.

> would this be ambiguous:
> 
>   <app:categories fixed="yes">
>     <app:scheme
>       ref="http://myblog.example.net/categories";
>       fixed="yes" exclusive="yes">
>       ...
>     </app:scheme>
>     <app:scheme
>       ref="http://myblog.example.net/categories2";
>       fixed="yes" exclusive="yes">
>       ...
>     </app:scheme>
>   </app:categories>
> 

No, [EMAIL PROTECTED]'yes'] indicates that only the listed schemes can
be used.  [EMAIL PROTECTED]'yes' and @exclusive='yes'] indicate that only
one category from that scheme is allowed.

What you'd end up with is an entry with one category from each scheme

(The presumption is that systems that only allow one category per entry
are not likely to define multiple schemes in an app:categories element)

> btw, what does the @fixed on app:categories mean? Is it referring to a fixed
> set of categories, or a fixed set of schemes? Or is it obsoleted by
> app:[EMAIL PROTECTED]

Fixed set of schemes.  if fixed='yes', then only categories with the
listed schemes can be used.


- James

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