<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
  targetNamespace="www.example.org/defaultforempty/same_ns" xmlns:this="www.example.org/defaultforempty/same_ns">

<xs:element name="IntegerFixed" type="xs:integer" fixed="3"/>

</xs:schema>