<?xml version="1.0" encoding="UTF-8"?>
<!--
Open Document Format for Office Applications (OpenDocument) Version 1.3
OASIS Standard
27 April 2021
Copyright (c) OASIS Open 2021. All Rights Reserved.
Source: https://docs.oasis-open.org/office/OpenDocument/v1.3/os/schemas/
Latest stage of specification: https://docs.oasis-open.org/office/OpenDocument/v1.3/OpenDocument-v1.3-part1-introduction.html
TC IPR Statement: https://www.oasis-open.org/committees/office/ipr.php

Open Document Format for Office Applications (OpenDocument) Version 1.3
Digital Signatures Relax-NG Schema
OpenDocument-v1.3-dsig-schema.rng
-->
<!-- https://issues.oasis-open.org/browse/OFFICE-2153 -->

<rng:grammar xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsig="urn:oasis:names:tc:opendocument:xmlns:digitalsignature:1.0" xmlns:rng="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
<rng:start>
<rng:choice>
<rng:ref name="dsig-document-signatures"/>
</rng:choice>
</rng:start>
<rng:define name="ds-signature">
<rng:element name="ds:Signature">
<!-- The permitted content of this element is the permitted -->
<!-- content of the Signature element defined by W3C XML -->
<!-- Signature Syntax and Processing (Second Edition). -->
<!-- See OpenDocument v1.3 part 2, section 5.3. -->
<!-- Office-3874 -->
<rng:ref name="dsMarkup"/>
</rng:element>
</rng:define>
<rng:define name="dsMarkup">
<rng:zeroOrMore>
<rng:choice>
<rng:attribute>
<rng:anyName/>
</rng:attribute>
<rng:text/>
<rng:element>
<rng:anyName/>
<rng:ref name="dsMarkup"/>
</rng:element>
</rng:choice>
</rng:zeroOrMore>
</rng:define>
<rng:define name="dsig-document-signatures">
<rng:element name="dsig:document-signatures">
<rng:ref name="dsig-document-signatures-attlist"/>
<rng:oneOrMore>
<rng:ref name="ds-signature"/>
</rng:oneOrMore>
</rng:element>
</rng:define>
<rng:define name="dsig-document-signatures-attlist">
<rng:attribute name="dsig:version">
<rng:value>1.3</rng:value>
</rng:attribute>
</rng:define>
</rng:grammar>