<?xml version=“1.0” encoding=“UTF-8”?> <grammar xmlns=“relaxng.org/ns/structure/1.0” datatypeLibrary=“www.w3.org/2001/XMLSchema-datatypes”>

<include href="isodoc.rng">
  <start>
    <ref name="iso-standard"/>
  </start>
  <define name="language">
    <element name="language">
      <choice>
        <value>en</value>
        <value>fr</value>
      </choice>
    </element>
  </define>
  <define name="script">
    <element name="script">
      <value>Latn</value>
    </element>
  </define>
  <!-- add type to docidentifier in isodoc? -->
  <define name="docidentifier">
    <element name="docidentifier">
      <choice>
        <text/>
        <group>
          <ref name="documentnumber"/>
          <optional>
            <ref name="tc-documentnumber"/>
          </optional>
        </group>
      </choice>
    </element>
  </define>
  <define name="organization">
    <element name="organization">
      <ref name="orgname"/>
      <optional>
        <ref name="abbreviation"/>
      </optional>
      <optional>
        <ref name="uri"/>
      </optional>
      <zeroOrMore>
        <ref name="org-identifier"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="contact"/>
      </zeroOrMore>
      <optional>
        <ref name="technical-committee"/>
      </optional>
      <optional>
        <ref name="subcommittee"/>
      </optional>
      <optional>
        <ref name="workgroup"/>
      </optional>
      <optional>
        <ref name="secretariat"/>
      </optional>
    </element>
  </define>
  <define name="BibliographicItem">
    <optional>
      <attribute name="type">
        <ref name="BibItemType"/>
      </attribute>
    </optional>
    <choice>
      <oneOrMore>
        <ref name="btitle"/>
      </oneOrMore>
      <ref name="formattedref"/>
    </choice>
    <zeroOrMore>
      <ref name="bsource"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="docidentifier"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="bdate"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="contributor"/>
    </zeroOrMore>
    <optional>
      <ref name="edition"/>
    </optional>
    <zeroOrMore>
      <ref name="biblionote"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="language"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="script"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="abstract"/>
    </zeroOrMore>
    <optional>
      <ref name="status"/>
    </optional>
    <optional>
      <ref name="copyright"/>
    </optional>
    <zeroOrMore>
      <ref name="docrelation"/>
    </zeroOrMore>
    <optional>
      <ref name="editorialgroup"/>
    </optional>
    <zeroOrMore>
      <ref name="ics"/>
    </zeroOrMore>
    <optional>
      <ref name="allParts"/>
    </optional>
  </define>
  <define name="BibData">
    <optional>
      <attribute name="type">
        <ref name="BibItemType"/>
      </attribute>
    </optional>
    <oneOrMore>
      <ref name="btitle"/>
    </oneOrMore>
    <optional>
      <ref name="formattedref"/>
    </optional>
    <zeroOrMore>
      <ref name="bsource"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="docidentifier"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="bdate"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="contributor"/>
    </zeroOrMore>
    <optional>
      <ref name="edition"/>
    </optional>
    <zeroOrMore>
      <ref name="biblionote"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="language"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="script"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="abstract"/>
    </zeroOrMore>
    <optional>
      <ref name="status"/>
    </optional>
    <ref name="copyright"/>
    <zeroOrMore>
      <ref name="docrelation"/>
    </zeroOrMore>
    <ref name="editorialgroup"/>
    <zeroOrMore>
      <ref name="ics"/>
    </zeroOrMore>
    <optional>
      <ref name="allParts"/>
    </optional>
  </define>
  <define name="bdate">
    <element name="date">
      <attribute name="type">
        <choice>
          <value>published</value>
          <value>accessed</value>
          <value>created</value>
          <value>implemented</value>
          <value>obsoleted</value>
          <value>confirmed</value>
          <value>updated</value>
          <value>issued</value>
        </choice>
      </attribute>
      <!-- ( ( bfrom, bto? ) | date_on ) -->
      <choice>
        <group>
          <element name="from">
            <choice>
              <data type="gYear"/>
              <data type="date"/>
            </choice>
          </element>
          <optional>
            <element name="to">
              <choice>
                <data type="gYear"/>
                <data type="date"/>
              </choice>
            </element>
          </optional>
        </group>
        <element name="on">
          <choice>
            <data type="gYear"/>
            <data type="date"/>
            <value>--</value>
          </choice>
        </element>
      </choice>
    </element>
  </define>
  <define name="biblionote">
    <element name="note">
      <optional>
        <!-- Biblio date notes can be footnoted -->
        <attribute name="reference"/>
      </optional>
      <ref name="FormattedString"/>
    </element>
  </define>
  <define name="status">
    <element name="status">
      <choice>
        <ref name="FormattedString"/>
        <group>
          <ref name="stage"/>
          <optional>
            <ref name="substage"/>
          </optional>
          <optional>
            <ref name="iteration"/>
          </optional>
        </group>
      </choice>
    </element>
  </define>
  <define name="btitle">
    <element name="title">
      <choice>
        <ref name="FormattedString"/>
        <group>
          <optional>
            <ref name="title-intro"/>
          </optional>
          <ref name="title-main"/>
          <optional>
            <ref name="title-part"/>
          </optional>
        </group>
      </choice>
    </element>
  </define>
  <define name="sections">
    <element name="sections">
      <ref name="clause"/>
      <choice>
        <ref name="term-clause"/>
        <ref name="terms"/>
      </choice>
      <optional>
        <ref name="definitions"/>
      </optional>
      <oneOrMore>
        <ref name="clause"/>
      </oneOrMore>
    </element>
  </define>
  <define name="Basic-Section">
    <optional>
      <attribute name="id">
        <data type="ID"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="obligation">
        <choice>
          <value>normative</value>
          <value>informative</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <ref name="section-title"/>
    </optional>
    <group>
      <oneOrMore>
        <ref name="BasicBlock"/>
      </oneOrMore>
      <zeroOrMore>
        <ref name="note"/>
      </zeroOrMore>
    </group>
  </define>
  <define name="Content-Section">
    <optional>
      <attribute name="id">
        <data type="ID"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="obligation">
        <choice>
          <value>normative</value>
          <value>informative</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <ref name="section-title"/>
    </optional>
    <choice>
      <group>
        <oneOrMore>
          <ref name="BasicBlock"/>
        </oneOrMore>
        <zeroOrMore>
          <ref name="note"/>
        </zeroOrMore>
      </group>
      <oneOrMore>
        <ref name="content-subsection"/>
      </oneOrMore>
    </choice>
  </define>
  <define name="Clause-Section">
    <optional>
      <attribute name="id">
        <data type="ID"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="inline-header">
        <data type="boolean"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="obligation">
        <choice>
          <value>normative</value>
          <value>informative</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <ref name="section-title"/>
    </optional>
    <choice>
      <group>
        <oneOrMore>
          <ref name="BasicBlock"/>
        </oneOrMore>
        <zeroOrMore>
          <ref name="note"/>
        </zeroOrMore>
      </group>
      <oneOrMore>
        <ref name="clause-subsection"/>
      </oneOrMore>
    </choice>
  </define>
  <define name="references">
    <element name="references">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="obligation">
          <choice>
            <value>normative</value>
            <value>informative</value>
          </choice>
        </attribute>
      </optional>
      <optional>
        <ref name="section-title"/>
      </optional>
      <zeroOrMore>
        <ref name="bibitem"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="references"/>
      </zeroOrMore>
    </element>
  </define>
  <define name="definitions">
    <element name="definitions">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="obligation">
          <choice>
            <value>normative</value>
            <value>informative</value>
          </choice>
        </attribute>
      </optional>
      <ref name="dl"/>
    </element>
  </define>
  <define name="terms">
    <element name="terms">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="obligation">
          <choice>
            <value>normative</value>
            <value>informative</value>
          </choice>
        </attribute>
      </optional>
      <optional>
        <ref name="section-title"/>
      </optional>
      <choice>
        <oneOrMore>
          <ref name="term"/>
        </oneOrMore>
        <group>
          <zeroOrMore>
            <ref name="terms"/>
          </zeroOrMore>
          <optional>
            <ref name="definitions"/>
          </optional>
        </group>
      </choice>
    </element>
  </define>
  <define name="term">
    <element name="term">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <ref name="preferred"/>
      <zeroOrMore>
        <ref name="admitted"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="deprecates"/>
      </zeroOrMore>
      <optional>
        <ref name="termdomain"/>
      </optional>
      <ref name="definition"/>
      <zeroOrMore>
        <ref name="termnote"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="termexample"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="termsource"/>
      </zeroOrMore>
    </element>
  </define>
  <define name="definition">
    <element name="definition">
      <oneOrMore>
        <choice>
          <ref name="paragraph"/>
          <ref name="figure"/>
          <ref name="formula"/>
        </choice>
      </oneOrMore>
    </element>
  </define>
  <define name="annex">
    <element name="annex">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="inline-header">
          <data type="boolean"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="obligation">
          <choice>
            <value>normative</value>
            <value>informative</value>
          </choice>
        </attribute>
      </optional>
      <optional>
        <ref name="section-title"/>
      </optional>
      <zeroOrMore>
        <!--
          allow hanging paragraps in annexes: they introduce lists
          ( paragraph-with-footnote | table | note | formula | admonition | ol | ul | dl | figure | quote | sourcecode | review | example )*,
        -->
        <ref name="BasicBlock"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="note"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="clause-hanging-paragraph-with-footnote"/>
      </zeroOrMore>
      <zeroOrMore>
        <ref name="annex-appendix"/>
      </zeroOrMore>
    </element>
  </define>
  <define name="figure">
    <element name="figure">
      <attribute name="id">
        <data type="ID"/>
      </attribute>
      <optional>
        <ref name="tname"/>
      </optional>
      <choice>
        <ref name="image"/>
        <oneOrMore>
          <ref name="subfigure"/>
        </oneOrMore>
      </choice>
      <zeroOrMore>
        <ref name="fn"/>
      </zeroOrMore>
      <optional>
        <ref name="dl"/>
      </optional>
      <zeroOrMore>
        <ref name="note"/>
      </zeroOrMore>
    </element>
  </define>
  <define name="li">
    <element name="li">
      <oneOrMore>
        <!-- ( paragraph-with-footnote | table | note | formula | admonition | ol | ul | dl | quote | sourcecode | review | example )+ -->
        <ref name="BasicBlock"/>
      </oneOrMore>
      <!-- exclude figures? -->
    </element>
  </define>
  <define name="dd">
    <element name="dd">
      <zeroOrMore>
        <!--
          ( paragraph-with-footnote | table | note | formula | admonition | ol | ul | dl | quote | sourcecode | review | example )*
          exclude figures?
        -->
        <ref name="BasicBlock"/>
      </zeroOrMore>
    </element>
  </define>
  <define name="admonition">
    <element name="admonition">
      <attribute name="id">
        <data type="ID"/>
      </attribute>
      <attribute name="type">
        <choice>
          <value>danger</value>
          <value>caution</value>
          <value>warning</value>
          <value>important</value>
          <value>safety precautions</value>
        </choice>
      </attribute>
      <oneOrMore>
        <ref name="paragraph-with-footnote"/>
      </oneOrMore>
      <zeroOrMore>
        <ref name="note"/>
      </zeroOrMore>
    </element>
  </define>
  <define name="xref">
    <element name="xref">
      <attribute name="target">
        <data type="IDREF"/>
      </attribute>
      <text/>
    </element>
  </define>
  <define name="hyperlink">
    <element name="link">
      <attribute name="target">
        <data type="anyURI"/>
      </attribute>
      <text/>
    </element>
  </define>
  <define name="thead">
    <element name="thead">
      <oneOrMore>
        <ref name="tr"/>
      </oneOrMore>
    </element>
  </define>
  <define name="td">
    <element name="td">
      <optional>
        <attribute name="colspan"/>
      </optional>
      <optional>
        <attribute name="rowspan"/>
      </optional>
      <optional>
        <attribute name="align">
          <choice>
            <value>left</value>
            <value>right</value>
            <value>center</value>
          </choice>
        </attribute>
      </optional>
      <choice>
        <zeroOrMore>
          <choice>
            <ref name="TextElement"/>
            <ref name="fn"/>
          </choice>
        </zeroOrMore>
        <oneOrMore>
          <ref name="paragraph-with-footnote"/>
        </oneOrMore>
      </choice>
    </element>
  </define>
  <define name="th">
    <element name="th">
      <optional>
        <attribute name="colspan"/>
      </optional>
      <optional>
        <attribute name="rowspan"/>
      </optional>
      <optional>
        <attribute name="align">
          <choice>
            <value>left</value>
            <value>right</value>
            <value>center</value>
          </choice>
        </attribute>
      </optional>
      <choice>
        <zeroOrMore>
          <choice>
            <ref name="TextElement"/>
            <ref name="fn"/>
          </choice>
        </zeroOrMore>
        <oneOrMore>
          <ref name="paragraph-with-footnote"/>
        </oneOrMore>
      </choice>
    </element>
  </define>
  <define name="table-note">
    <element name="note">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <ref name="paragraph"/>
    </element>
  </define>
</include>
<!-- end overrides -->
<!--
  We display the Normative References between scope and terms; but to keep the
  grammar simple, we keep the references together
-->
<define name="iso-standard">
  <element name="iso-standard">
    <ref name="bibdata"/>
    <optional>
      <ref name="version"/>
    </optional>
    <zeroOrMore>
      <ref name="termdocsource"/>
    </zeroOrMore>
    <ref name="preface"/>
    <oneOrMore>
      <ref name="sections"/>
    </oneOrMore>
    <zeroOrMore>
      <ref name="annex"/>
    </zeroOrMore>
    <ref name="bibliography"/>
  </element>
</define>
<define name="preface">
  <element name="preface">
    <ref name="foreword"/>
    <optional>
      <ref name="introduction"/>
    </optional>
  </element>
</define>
<define name="bibliography">
  <element name="bibliography">
    <oneOrMore>
      <choice>
        <ref name="references"/>
        <ref name="reference-clause"/>
      </choice>
    </oneOrMore>
  </element>
</define>
<define name="BibItemType" combine="choice">
  <choice>
    <value>international-standard</value>
    <value>technical-specification</value>
    <value>technical-report</value>
    <value>publicly-available-specification</value>
    <value>international-workshop-agreement</value>
    <value>guide</value>
  </choice>
</define>
<define name="editorialgroup">
  <element name="editorialgroup">
    <ref name="technical-committee"/>
    <optional>
      <ref name="subcommittee"/>
    </optional>
    <optional>
      <ref name="workgroup"/>
    </optional>
    <optional>
      <ref name="secretariat"/>
    </optional>
  </element>
</define>
<define name="foreword">
  <element name="foreword">
    <ref name="Basic-Section"/>
  </element>
</define>
<define name="introduction">
  <element name="introduction">
    <ref name="Content-Section"/>
  </element>
</define>
<define name="stage">
  <element name="stage">
    <choice>
      <value>00</value>
      <value>10</value>
      <value>20</value>
      <value>30</value>
      <value>40</value>
      <value>50</value>
      <value>60</value>
      <value>90</value>
      <value>95</value>
    </choice>
  </element>
</define>
<define name="substage">
  <element name="substage">
    <choice>
      <value>00</value>
      <value>20</value>
      <value>60</value>
      <value>90</value>
      <value>92</value>
      <value>93</value>
      <value>98</value>
      <value>99</value>
    </choice>
  </element>
</define>
<define name="iteration">
  <element name="iteration">
    <data type="int"/>
  </element>
</define>
<define name="documentnumber">
  <element name="project-number">
    <optional>
      <attribute name="part">
        <data type="int"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="subpart">
        <data type="int"/>
      </attribute>
    </optional>
    <text/>
  </element>
</define>
<define name="tc-documentnumber">
  <element name="tc-document-number">
    <data type="int"/>
  </element>
</define>
<define name="technical-committee">
  <element name="technical-committee">
    <ref name="IsoWorkgroup"/>
  </element>
</define>
<define name="subcommittee">
  <element name="subcommittee">
    <ref name="IsoWorkgroup"/>
  </element>
</define>
<define name="workgroup">
  <element name="workgroup">
    <ref name="IsoWorkgroup"/>
  </element>
</define>
<define name="IsoWorkgroup">
  <optional>
    <attribute name="number">
      <data type="int"/>
    </attribute>
  </optional>
  <optional>
    <attribute name="type"/>
  </optional>
  <text/>
</define>
<define name="secretariat">
  <element name="secretariat">
    <text/>
  </element>
</define>
<define name="title-intro">
  <element name="title-intro">
    <ref name="FormattedString"/>
  </element>
</define>
<define name="title-main">
  <element name="title-main">
    <ref name="FormattedString"/>
  </element>
</define>
<define name="title-part">
  <element name="title-part">
    <ref name="FormattedString"/>
  </element>
</define>
<define name="allParts">
  <element name="allParts">
    <data type="boolean"/>
  </element>
</define>
<define name="clause-hanging-paragraph-with-footnote">
  <element name="clause">
    <optional>
      <attribute name="id">
        <data type="ID"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="inline-header">
        <data type="boolean"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="obligation">
        <choice>
          <value>normative</value>
          <value>informative</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <ref name="section-title"/>
    </optional>
    <zeroOrMore>
      <!-- allow hanging paragraphs in annexes: they introduce lists -->
      <ref name="BasicBlock"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="note"/>
    </zeroOrMore>
    <zeroOrMore>
      <ref name="clause-hanging-paragraph-with-footnote"/>
    </zeroOrMore>
  </element>
</define>
<define name="subfigure">
  <element name="figure">
    <attribute name="id">
      <data type="ID"/>
    </attribute>
    <optional>
      <ref name="tname"/>
    </optional>
    <ref name="image"/>
  </element>
</define>
<define name="termdocsource">
  <element name="termdocsource">
    <ref name="CitationType"/>
  </element>
</define>
<define name="ics">
  <element name="ics">
    <element name="code">
      <text/>
    </element>
    <element name="text">
      <text/>
    </element>
  </element>
</define>
<define name="term-clause">
  <element name="clause">
    <optional>
      <attribute name="id">
        <data type="ID"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="inline-header">
        <data type="boolean"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="obligation">
        <choice>
          <value>normative</value>
          <value>informative</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <ref name="section-title"/>
    </optional>
    <choice>
      <oneOrMore>
        <ref name="term-clause"/>
      </oneOrMore>
      <zeroOrMore>
        <choice>
          <ref name="terms"/>
          <ref name="definitions"/>
        </choice>
      </zeroOrMore>
    </choice>
  </element>
</define>
<define name="reference-clause">
  <element name="clause">
    <optional>
      <attribute name="id">
        <data type="ID"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="inline-header">
        <data type="boolean"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="obligation">
        <choice>
          <value>normative</value>
          <value>informative</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <ref name="section-title"/>
    </optional>
    <choice>
      <oneOrMore>
        <ref name="reference-clause"/>
      </oneOrMore>
      <zeroOrMore>
        <ref name="references"/>
      </zeroOrMore>
    </choice>
  </element>
</define>
<define name="annex-appendix">
  <element name="appendix">
    <ref name="Clause-Section"/>
  </element>
</define>

</grammar>