<?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="xmldsig-core-schema.rng" />
  	<start combine="choice">
 	 	<element name="signatures">
			<oneOrMore>
				<element name="Signature" ns="http://www.w3.org/2000/09/xmldsig#">
					<ref name="SignatureType" />
				</element>
			</oneOrMore>
		</element>
	</start>
</grammar>