Here are the errors reported by the schema checker program, XsdSchemaChecker.java:
>java XsdSchemaChecker address_include_error.xsd
Error:
Line number: 7
Column number: 50
Message: sch-props-correct.2: A schema cannot contain two global
components with the same name; this schema contains two
occurrences of ',address'.
Error:
Line number: 9
Column number: 38
Message: sch-props-correct.2: A schema cannot contain two global
components with the same name; this schema contains two
occurrences of ',addressType'.
Failed with 2 errors.