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- The rules for "Schema Component Constraint: Attribute Wildcard Union" have the following problems: - Various references to "intersection" in this section should be "union". - Bullet 4 gives the rule for "...the two are negations of different namespace names..." and indicates the result in not expressible, but in fact is. See: http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2001May/0027.html Henry's response: http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2001Jun/0017.html - In addition, in a separate email, the commentator points out a problem with wildcard subset, "##other" and absent. For example, if wildcard "w2", say, equals "absent", and wildcard "w1" is "not some-uri", then, "absent" is allowed by "w2", not allowed by "w1", and yet the rules for subset indicate that "w2" is a subset of "w1". See: http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2001Jun/0028.html Henry's response: http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2001Jun/0011.html As a result of these exchanges, the commentator proposes the following modifications to wildcard union, subset and intersection: http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2001Jun/0028.html
The WG has agreed that the commentator has uncovered errors in the Structures spec. Henry to prepare wording of an erratum. Proposed text: http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2002May/0157.html Final text approved at the June 28 concall.