EDIT

<!-- XML Schema schema for XML Schemas: Part 1: Structures -->

<!-- Note this schema is NOT the normative structures schema. -->

<!-- The prose copy in the structures REC is the normative -->

<!-- version (which shouldn't differ from this one except for -->

<!-- this comment and entity expansions, but just in case -->

<!DOCTYPE xs:schema PUBLIC "-//W3C//DTD XMLSCHEMA 200102//EN" "XMLSchema.dtd" [

<!-- provide ID type information even for parsers which only read the

     internal subset -->

<!ATTLIST xs:schema          id  ID  #IMPLIED>

<!ATTLIST xs:complexType     id  ID  #IMPLIED>

<!ATTLIST xs:complexContent  id  ID  #IMPLIED>

<!ATTLIST xs:simpleContent   id  ID  #IMPLIED>

<!ATTLIST xs:extension       id  ID  #IMPLIED>

<!ATTLIST xs:element         id  ID  #IMPLIED>

<!ATTLIST xs:group           id  ID  #IMPLIED> 

<!ATTLIST xs:all             id  ID  #IMPLIED>

<!ATTLIST xs:choice          id  ID  #IMPLIED>

<!ATTLIST xs:sequence        id  ID  #IMPLIED>

<!ATTLIST xs:any             id  ID  #IMPLIED>

<!ATTLIST xs:anyAttribute    id  ID  #IMPLIED>

<!ATTLIST xs:attribute       id  ID  #IMPLIED>

<!ATTLIST xs:attributeGroup  id  ID  #IMPLIED>

<!ATTLIST xs:unique          id  ID  #IMPLIED>

<!ATTLIST xs:key             id  ID  #IMPLIED>

<!ATTLIST xs:keyref          id  ID  #IMPLIED>

<!ATTLIST xs:selector        id  ID  #IMPLIED>

<!ATTLIST xs:field           id  ID  #IMPLIED>

<!ATTLIST xs:include         id  ID  #IMPLIED>

<!ATTLIST xs:import          id  ID  #IMPLIED>

<!ATTLIST xs:redefine        id  ID  #IMPLIED>

<!ATTLIST xs:notation        id  ID  #IMPLIED>

<!--

     keep this schema XML1.0 DTD valid

  -->

        <!ENTITY % schemaAttrs 'xmlns:hfp CDATA #IMPLIED'>

        <!ELEMENT hfp:hasFacet EMPTY>

        <!ATTLIST hfp:hasFacet

                name NMTOKEN #REQUIRED>

        <!ELEMENT hfp:hasProperty EMPTY>

        <!ATTLIST hfp:hasProperty

                name NMTOKEN #REQUIRED

                value CDATA #REQUIRED>

<!--

        Make sure that processors that do not read the external

        subset will know about the various IDs we declare

  -->

        <!ATTLIST xs:simpleType id ID #IMPLIED>

        <!ATTLIST xs:maxExclusive id ID #IMPLIED>

        <!ATTLIST xs:minExclusive id ID #IMPLIED>

        <!ATTLIST xs:maxInclusive id ID #IMPLIED>

        <!ATTLIST xs:minInclusive id ID #IMPLIED>

        <!ATTLIST xs:totalDigits id ID #IMPLIED>

        <!ATTLIST xs:fractionDigits id ID #IMPLIED>

        <!ATTLIST xs:length id ID #IMPLIED>

        <!ATTLIST xs:minLength id ID #IMPLIED>

        <!ATTLIST xs:maxLength id ID #IMPLIED>

        <!ATTLIST xs:enumeration id ID #IMPLIED>

        <!ATTLIST xs:pattern id ID #IMPLIED>

        <!ATTLIST xs:appinfo id ID #IMPLIED>

        <!ATTLIST xs:documentation id ID #IMPLIED>

        <!ATTLIST xs:list id ID #IMPLIED>

        <!ATTLIST xs:union id ID #IMPLIED>

        ]>