"If a single <Attribute> element in a request context contains multiple
<AttributeValue> child elements, the bag of values resultant from evaluation
must be equivalent to an evaluation of a context in which each
<AttributeValue> element appears within separate <Attribute> elements that
carry identical meta-data."
I was assuming this text should go with the section that outlines the
functional requirements on context evaluation to return a single bag
containing all the matching values from the <AttributeValue> elements that
are matched to a named attribute or selected by an AttributeSelector.
Rebekah