<xs:schema targetNamespace="http://www.imsglobal.org/xsd/imsld_v1p0" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://www.imsglobal.org/xsd/imsld_v1p0" elementFormDefault="qualified" attributeFormDefault="unqualified" version="IMS LD Level A version 1.0 Final Draft">
	<!-- ******************** -->
	<!-- ** Change History ** -->
	<!-- ******************** -->
	<xs:annotation>
		<xs:documentation xml:lang="en">Last update 16 December 2002
		</xs:documentation>
		<xs:documentation xml:lang="en">28 October 2002
		This module contains elements and attributes that are used in all levels of LD and in the IMS LD global elements.
		This module needs to be included in IMS LD Level A and IMS LD global elements.
		Changed the namespace.
		</xs:documentation>
	</xs:annotation>
	<!-- **************************** -->
	<!-- ** Attribute declarations ** -->
	<!-- **************************** -->
	<xs:attributeGroup name="attr.ref.req">
		<xs:annotation>
			<xs:documentation>This attribute is used in several LD elements (level A and B) and in the global elements (level C).</xs:documentation>
		</xs:annotation>
		<xs:attribute name="ref" type="xs:IDREF" use="required"/>
	</xs:attributeGroup>
	<!-- ************************** -->
	<!-- ** Element Declarations ** -->
	<!-- ************************** -->
	<!-- ************************************ -->
	<!-- ** Empty elements with attributes ** -->
	<!-- ************************************ -->
	<xs:element name="learning-activity-ref">
		<xs:complexType>
			<xs:attributeGroup ref="attr.ref.req"/>
		</xs:complexType>
	</xs:element>
	<xs:element name="support-activity-ref">
		<xs:complexType>
			<xs:attributeGroup ref="attr.ref.req"/>
		</xs:complexType>
	</xs:element>
</xs:schema>
