<?xml version="1.0" encoding="ISO-8859-1" ?> <!-- Schema Component Constraint: Derivation Valid (Extension) 1.3 If it has an {attribute wildcard}, the complex type definition must also have one, and the base type definition's {attribute wildcard}'s {namespace constraint} must be a subset of the complex type definition's {attribute wildcard}'s {namespace constraint}, as defined by Wildcard Subset (�3.10.6). --> <schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://FOO" xmlns:foo="http://FOO" elementFormDefault="qualified"> <element name="foo"> <complexType> <sequence> <element name="bar.A" type="foo:type.A" /> <element name="bar.B" type="foo:type.B" /> </sequence> </complexType> </element> <complexType name="type.A"> <complexContent> <!-- This is OK, since the complete wildcard is the wildcard of the base type. --> <extension base="foo:base.type.A" /> </complexContent> </complexType> <complexType name="base.type.A"> <anyAttribute namespace="##any" processContents="skip" /> </complexType> <complexType name="type.B"> <complexContent> <extension base="foo:base.type.B"> <!-- This is OK, since the complete wildcard is a union of "##any" and "http://FOO" = "##any". Thus the complete wildcard is equal to that one in the base class. --> <anyAttribute namespace="http://FOO" processContents="skip" /> </extension> </complexContent> </complexType> <complexType name="base.type.B"> <anyAttribute namespace="##any" processContents="skip" /> </complexType> </schema>