<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.tektronix.com" xmlns="http://www.tektronix.com" elementFormDefault="qualified">
	<xsd:element name="header" type="xsd:string"/>
	<xsd:simpleType name="ClassicCodes">
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="XSLT"/>
			<xsd:enumeration value="Java"/>
			<xsd:enumeration value="PERL"/>
			<xsd:enumeration value="TCL"/>
			<xsd:enumeration value="World"/>
			<xsd:enumeration value="VB"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:simpleType name="CodeList">
		<xsd:list itemType="ClassicCodes"/>
	</xsd:simpleType>
	<xsd:simpleType name="TopThreeCodes">
		<xsd:restriction base="CodeList">
			<xsd:length value="3"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:simpleType name="YearInvented">
		<xsd:restriction base="xsd:positiveInteger">
			<xsd:pattern value="\d{4}"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:simpleType name="YearCode">
		<xsd:union memberTypes="YearInvented CodeList"/>
	</xsd:simpleType>
	<xsd:simpleType name="ExtCode">
		<xsd:union memberTypes="OtherCode CodeList"/>
	</xsd:simpleType>
	<xsd:simpleType name="OtherCode">
		<xsd:restriction base="xsd:string">
			<xsd:pattern value="\d{4}"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:element name="TrialCodes" type="TopThreeCodes"/>
	<xsd:element name="CodeOrYear" type="YearCode"/>
	<xsd:element name="MyCode" type="OtherCode"/>

	<xsd:attribute name="id" type="xsd:string"/>
	<xsd:attribute name="name" type="xsd:string"/>
	<xsd:attribute name="title" type="xsd:string"/>
	<xsd:attribute name="style" type="xsd:string"/>
	<xsd:attribute name="border" type="xsd:nonNegativeInteger"/>
	<xsd:attribute name="rowspan" type="xsd:nonNegativeInteger"/>
	<xsd:attribute name="colspan" type="xsd:nonNegativeInteger"/>
	<xsd:attribute name="cellspacing" type="xsd:nonNegativeInteger"/>
	<xsd:attribute name="cellpadding" type="xsd:nonNegativeInteger"/>
	<xsd:attribute name="_this" type="xsd:string"/>
</xsd:schema>