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File Content: `iso-schematron.rng`

<?xml version="1.0" encoding="UTF-8"?>
<!--
         (c) International Organization for Standardization 2005. 
        Permission to copy in any form is granted for use with conforming 
        SGML systems and applications as defined in ISO 8879, 
        provided this notice is included in all copies.
-->
<grammar ns="http://purl.oclc.org/dsdl/schematron" xmlns="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
  <start>
    <ref name="schema"/>
  </start>
  <!-- Element declarations -->
  <define name="schema">
    <element name="schema">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <ref name="rich"/>
      <optional>
        <attribute name="schemaVersion">
          <ref name="non-empty-string"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="defaultPhase">
          <data type="IDREF"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="queryBinding">
          <ref name="non-empty-string"/>
        </attribute>
      </optional>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <ref name="inclusion"/>
        </zeroOrMore>
        <group>
          <optional>
            <ref name="title"/>
          </optional>
          <zeroOrMore>
            <ref name="ns"/>
          </zeroOrMore>
          <zeroOrMore>
            <ref name="p"/>
          </zeroOrMore>
          <zeroOrMore>
            <ref name="let"/>
          </zeroOrMore>
          <zeroOrMore>
            <ref name="phase"/>
          </zeroOrMore>
          <oneOrMore>
            <ref name="pattern"/>
          </oneOrMore>
          <zeroOrMore>
            <ref name="p"/>
          </zeroOrMore>
          <optional>
            <ref name="diagnostics"/>
          </optional>
        </group>
      </interleave>
    </element>
  </define>
  <define name="active">
    <element name="active">
      <attribute name="pattern">
        <data type="IDREF"/>
      </attribute>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <choice>
            <text/>
            <ref name="dir"/>
            <ref name="emph"/>
            <ref name="span"/>
          </choice>
        </zeroOrMore>
      </interleave>
    </element>
  </define>
  <define name="assert">
    <element name="assert">
      <attribute name="test">
        <ref name="exprValue"/>
      </attribute>
      <optional>
        <attribute name="flag">
          <ref name="flagValue"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="diagnostics">
          <data type="IDREFS"/>
        </attribute>
      </optional>
      <ref name="rich"/>
      <ref name="linkable"/>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <choice>
            <text/>
            <ref name="name"/>
            <ref name="value-of"/>
            <ref name="emph"/>
            <ref name="dir"/>
            <ref name="span"/>
          </choice>
        </zeroOrMore>
      </interleave>
    </element>
  </define>
  <define name="diagnostic">
    <element name="diagnostic">
      <attribute name="id">
        <data type="ID"/>
      </attribute>
      <ref name="rich"/>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <choice>
            <text/>
            <ref name="value-of"/>
            <ref name="emph"/>
            <ref name="dir"/>
            <ref name="span"/>
          </choice>
        </zeroOrMore>
      </interleave>
    </element>
  </define>
  <define name="diagnostics">
    <element name="diagnostics">
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <ref name="inclusion"/>
        </zeroOrMore>
        <zeroOrMore>
          <ref name="diagnostic"/>
        </zeroOrMore>
      </interleave>
    </element>
  </define>
  <define name="dir">
    <element name="dir">
      <optional>
        <attribute name="value">
          <choice>
            <value>ltr</value>
            <value>rtl</value>
          </choice>
        </attribute>
      </optional>
      <interleave>
        <ref name="foreign"/>
        <text/>
      </interleave>
    </element>
  </define>
  <define name="emph">
    <element name="emph">
      <text/>
    </element>
  </define>
  <define name="extends">
    <element name="extends">
      <attribute name="rule">
        <data type="IDREF"/>
      </attribute>
      <ref name="foreign-empty"/>
    </element>
  </define>
  <define name="let">
    <element name="let">
      <attribute name="name">
        <ref name="nameValue"/>
      </attribute>
      <attribute name="value">
        <data type="string" datatypeLibrary=""/>
      </attribute>
    </element>
  </define>
  <define name="name">
    <element name="name">
      <optional>
        <attribute name="path">
          <ref name="pathValue"/>
        </attribute>
      </optional>
      <ref name="foreign-empty"/>
    </element>
  </define>
  <define name="ns">
    <element name="ns">
      <attribute name="uri">
        <ref name="uriValue"/>
      </attribute>
      <attribute name="prefix">
        <ref name="nameValue"/>
      </attribute>
      <ref name="foreign-empty"/>
    </element>
  </define>
  <define name="p">
    <element name="p">
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="class">
          <ref name="classValue"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="icon">
          <ref name="uriValue"/>
        </attribute>
      </optional>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <choice>
            <text/>
            <ref name="dir"/>
            <ref name="emph"/>
            <ref name="span"/>
          </choice>
        </zeroOrMore>
      </interleave>
    </element>
  </define>
  <define name="param">
    <element name="param">
      <attribute name="name">
        <ref name="nameValue"/>
      </attribute>
      <attribute name="value">
        <ref name="non-empty-string"/>
      </attribute>
    </element>
  </define>
  <define name="pattern">
    <element name="pattern">
      <ref name="rich"/>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <ref name="inclusion"/>
        </zeroOrMore>
        <choice>
          <group>
            <attribute name="abstract">
              <value>true</value>
            </attribute>
            <attribute name="id">
              <data type="ID"/>
            </attribute>
            <optional>
              <ref name="title"/>
            </optional>
            <group>
              <zeroOrMore>
                <ref name="p"/>
              </zeroOrMore>
              <zeroOrMore>
                <ref name="let"/>
              </zeroOrMore>
              <zeroOrMore>
                <ref name="rule"/>
              </zeroOrMore>
            </group>
          </group>
          <group>
            <optional>
              <attribute name="abstract">
                <value>false</value>
              </attribute>
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            <optional>
              <attribute name="id">
                <data type="ID"/>
              </attribute>
            </optional>
            <optional>
              <ref name="title"/>
            </optional>
            <group>
              <zeroOrMore>
                <ref name="p"/>
              </zeroOrMore>
              <zeroOrMore>
                <ref name="let"/>
              </zeroOrMore>
              <zeroOrMore>
                <ref name="rule"/>
              </zeroOrMore>
            </group>
          </group>
          <group>
            <optional>
              <attribute name="abstract">
                <value>false</value>
              </attribute>
            </optional>
            <attribute name="is-a">
              <data type="IDREF"/>
            </attribute>
            <optional>
              <attribute name="id">
                <data type="ID"/>
              </attribute>
            </optional>
            <optional>
              <ref name="title"/>
            </optional>
            <group>
              <zeroOrMore>
                <ref name="p"/>
              </zeroOrMore>
              <zeroOrMore>
                <ref name="param"/>
              </zeroOrMore>
            </group>
          </group>
        </choice>
      </interleave>
    </element>
  </define>
  <define name="phase">
    <element name="phase">
      <attribute name="id">
        <data type="ID"/>
      </attribute>
      <ref name="rich"/>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <ref name="inclusion"/>
        </zeroOrMore>
        <group>
          <zeroOrMore>
            <ref name="p"/>
          </zeroOrMore>
          <zeroOrMore>
            <ref name="let"/>
          </zeroOrMore>
          <zeroOrMore>
            <ref name="active"/>
          </zeroOrMore>
        </group>
      </interleave>
    </element>
  </define>
  <define name="report">
    <element name="report">
      <attribute name="test">
        <ref name="exprValue"/>
      </attribute>
      <optional>
        <attribute name="flag">
          <ref name="flagValue"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="id">
          <data type="ID"/>
        </attribute>
      </optional>
      <optional>
        <attribute name="diagnostics">
          <data type="IDREFS"/>
        </attribute>
      </optional>
      <ref name="rich"/>
      <ref name="linkable"/>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <choice>
            <text/>
            <ref name="name"/>
            <ref name="value-of"/>
            <ref name="emph"/>
            <ref name="dir"/>
            <ref name="span"/>
          </choice>
        </zeroOrMore>
      </interleave>
    </element>
  </define>
  <define name="rule">
    <element name="rule">
      <optional>
        <attribute name="flag">
          <ref name="flagValue"/>
        </attribute>
      </optional>
      <ref name="rich"/>
      <ref name="linkable"/>
      <interleave>
        <ref name="foreign"/>
        <zeroOrMore>
          <ref name="inclusion"/>
        </zeroOrMore>
        <choice>
          <group>
            <attribute name="abstract">
              <value>true</value>
            </attribute>
            <attribute name="id">
              <data type="ID"/>
            </attribute>
            <zeroOrMore>
              <ref name="let"/>
            </zeroOrMore>
            <oneOrMore>
              <choice>
                <ref name="assert"/>
                <ref name="report"/>
                <ref name="extends"/>
              </choice>
            </oneOrMore>
          </group>
          <group>
            <attribute name="context">
              <ref name="pathValue"/>
            </attribute>
            <optional>
              <attribute name="id">
                <data type="ID"/>
              </attribute>
            </optional>
            <optional>
              <attribute name="abstract">
                <value>false</value>
              </attribute>
            </optional>
            <zeroOrMore>
              <ref name="let"/>
            </zeroOrMore>
            <oneOrMore>
              <choice>
                <ref name="assert"/>
                <ref name="report"/>
                <ref name="extends"/>
              </choice>
            </oneOrMore>
          </group>
        </choice>
      </interleave>
    </element>
  </define>
  <define name="span">
    <element name="span">
      <attribute name="class">
        <ref name="classValue"/>
      </attribute>
      <interleave>
        <ref name="foreign"/>
        <text/>
      </interleave>
    </element>
  </define>
  <define name="title">
    <element name="title">
      <zeroOrMore>
        <choice>
          <text/>
          <ref name="dir"/>
        </choice>
      </zeroOrMore>
    </element>
  </define>
  <define name="value-of">
    <element name="value-of">
      <attribute name="select">
        <ref name="pathValue"/>
      </attribute>
      <ref name="foreign-empty"/>
    </element>
  </define>
  <!-- common declarations -->
  <define name="inclusion">
    <element name="include">
      <attribute name="href">
        <ref name="uriValue"/>
      </attribute>
    </element>
  </define>
  <define name="rich">
    <optional>
      <attribute name="icon">
        <ref name="uriValue"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="see">
        <ref name="uriValue"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="fpi">
        <ref name="fpiValue"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="xml:lang">
        <ref name="langValue"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="xml:space">
        <choice>
          <value>preserve</value>
          <value>default</value>
        </choice>
      </attribute>
    </optional>
  </define>
  <define name="linkable">
    <optional>
      <attribute name="role">
        <ref name="roleValue"/>
      </attribute>
    </optional>
    <optional>
      <attribute name="subject">
        <ref name="pathValue"/>
      </attribute>
    </optional>
  </define>
  <define name="foreign">
    <ref name="foreign-attributes"/>
    <zeroOrMore>
      <ref name="foreign-element"/>
    </zeroOrMore>
  </define>
  <define name="foreign-empty">
    <ref name="foreign-attributes"/>
  </define>
  <define name="foreign-attributes">
    <zeroOrMore>
      <attribute>
        <anyName>
          <except>
            <nsName ns=""/>
            <nsName ns="http://www.w3.org/XML/1998/namespace"/>
          </except>
        </anyName>
      </attribute>
    </zeroOrMore>
  </define>
  <define name="foreign-element">
    <element>
      <anyName>
        <except>
          <nsName/>
        </except>
      </anyName>
      <zeroOrMore>
        <choice>
          <attribute>
            <anyName/>
          </attribute>
          <ref name="foreign-element"/>
          <ref name="schema"/>
          <text/>
        </choice>
      </zeroOrMore>
    </element>
  </define>
  <!-- Data types -->
  <define name="uriValue">
    <data type="anyURI"/>
  </define>
  <define name="pathValue">
    <data type="string" datatypeLibrary=""/>
  </define>
  <define name="exprValue">
    <data type="string" datatypeLibrary=""/>
  </define>
  <define name="fpiValue">
    <data type="string" datatypeLibrary=""/>
  </define>
  <define name="langValue">
    <data type="language"/>
  </define>
  <define name="roleValue">
    <data type="string" datatypeLibrary=""/>
  </define>
  <define name="flagValue">
    <data type="string" datatypeLibrary=""/>
  </define>
  <define name="nameValue">
    <data type="string" datatypeLibrary=""/>
  </define>
  <!-- In the default query language binding, xsd:NCNAME -->
  <define name="classValue">
    <data type="string" datatypeLibrary=""/>
  </define>
  <define name="non-empty-string">
    <data type="token">
      <param name="minLength">1</param>
    </data>
  </define>
</grammar>
File Content: iso-schematron.rng

File Content: `iso-schematron.rng`
