<?xml version="1.0"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0"
         ns="urn:oasis:names:tc:opendocument:xmlns:container"
         datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
    <include href="xenc-schema.rng" />
	<start>
		<element name="encryption">
    		<oneOrMore>
    			<choice>
    				<element name="EncryptedData" ns="http://www.w3.org/2001/04/xmlenc#">
						<ref name="EncryptedDataType" />
					</element>
					<element name="EncryptedKey" ns="http://www.w3.org/2001/04/xmlenc#">
						<ref name="EncryptedKeyType" />
					</element>
				</choice>
			</oneOrMore>
		</element>
	</start>
</grammar>