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This issue was originally reported by Yan Leshinsky. Revise the derivation of complex-type restriction so as to eliminate the problems with pointless occurrences. Currently, it eliminates some derivations that should otherwise be valid. See R-24 (http://www.w3.org/2001/05/xmlschema-rec-comments#pfipointless). Microsoft proposals, item 1.2 (member-only link) (http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2002Oct/0149.html) This item was discussed in the meeting of 2004-04-09 (http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2004Apr/0178.html). This item was closed in the meeting of 2004-05-13 (http://www.w3.org/XML/Group/2004/05/xml-schema-ftf-minutes.html). It has been overtaken by events: if RQ-17 (#restrictn-rules) succeeds, this has no referent in the spec. Accordingly, this should be marked RESOLVED / WONTFIX.