<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
    <xs:element name="HL7v2xConformanceProfile">
        <xs:annotation>
            <xs:documentation>An unambiguous specification of one or more standard HL7 messages that have been analyzed for a particular use case.  It prescribes a set of precise constraints upon one or more standard HL7 messages.</xs:documentation>
            <xs:appinfo>
                <sch:pattern name="Check for no optionality in Implementation profiles">
                    <sch:rule context="HL7v2xConformanceProfile">
                        <sch:report test="@ProfileType='Implementation' and count(HL7v2xStaticDef/descendant::*[@Usage='O'])!=0">May not have elements with a Usage of 'O' in an Implementation profile.</sch:report>
                    </sch:rule>