[mdx] what to trust

[Josh Howlett]

> Actually I wasn't talking about establishing trust but how to 
> represent how the aggregator established trust in the entity 
> in the entity metadata.

Ok, my confusion.
 
> The attribute extension sounds like a perfectly valid option 
> as it also provides a way to transport other qualifiers (eg 
> tags) across aggregators.

Yup.

josh.

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