"For compatibility (see Terminology (�1.4)) ID should be used only on attributes. " "For compatibility (see Terminology (�1.4)) this datatype should be used only on attributes. " (for IDREF) Copied from http://www.w3.org/TR/xmlschema-2/#ID Pay attention to here too http://www.w3.org/TR/xmlschema-2/#terminology Combine these two parts, the answer should be false, since the use of the word "must". If we get a question like this, probably it depends on the mindset of the question maker. The only thing we can do is keeping our figures crossed. However, be optimistic, the passing score is 58%, not 100%. [ November 08, 2002: Message edited by: Roseanne Zhang ]
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