iana-registry.rng
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<?xml version='1.0'?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0"
datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes"
ns="http://www.iana.org/assignments">
<define name="registryMeta">
<interleave>
<attribute name="id"><data type="ID"/></attribute>
<optional><element name="title"><ref name="text_with_references"/></element></optional>
<optional><element name="created"><ref name="genericDate"/></element></optional>
<optional><element name="updated"><data type="date"/></element></optional>
<optional><element name="registration_rule"><ref
name="text_with_references"/></element></optional>
<optional><element name="expert"><text/></element></optional>
<optional><element name="description"><ref name="text_with_references"/></element></optional>
<zeroOrMore><element name="note"><ref name="text_with_references"/></element></zeroOrMore>
<ref name="references"/>
<optional><element name="hide"><empty/></element></optional>
<zeroOrMore><element name="category"><text/></element></zeroOrMore>
<zeroOrMore><ref name="range"/></zeroOrMore>
<optional><ref name="file"/></optional>
</interleave>
</define>
<define name="range">
<element name="range">
<interleave>
<element name="value"><text/></element>
<optional><element name="hex"><text/></element></optional>
<element name="registration_rule"><ref name="text_with_references"/></element>
<optional><element name="note"><ref name="text_with_references"/></element></optional>
<optional><ref name="xref"/></optional>
</interleave>
</element>
</define>
<define name="people">
<element name="people">
<zeroOrMore>
<element name="person">
<attribute name="id"><data type="ID"/></attribute>
<optional><element name="name"><text/></element></optional>
<optional><element name="org"><text/></element></optional>
<zeroOrMore><element name="uri"><data type="anyURI"/></element></zeroOrMore>
<optional><element name="updated"><ref name="genericDate"/></element></optional>
</element>
</zeroOrMore>
</element>
</define>
<define name="xref">
<element name="xref">
<optional>
<attribute name="lastupdated"><ref name="genericDate"/></attribute>
</optional>
<choice>
<group>
<attribute name="type"><value>uri</value></attribute>
<attribute name="data"><data type="anyURI"/></attribute>
</group>
<group>
<attribute name="type"><value>rfc</value></attribute>
<attribute name="data">
<data type="string">
<param name="pattern">(rfc|bcp|std)\d+</param>
</data>
</attribute>
</group>
<group>
<attribute name="type"><value>rfc-errata</value></attribute>
<attribute name="data"><data type="positiveInteger"/></attribute>
</group>
<group>
<attribute name="type"><value>draft</value></attribute>
<attribute name="data">
<data type="string">
<param name="pattern">(draft|RFC)(-[a-zA-Z0-9]+)+</param>
</data>
</attribute>
</group>
<group>
<attribute name="type"><value>registry</value></attribute>
<attribute name="data"><data type="NCName"/></attribute>
</group>
<group>
<attribute name="type"><value>person</value></attribute>
<attribute name="data"><data type="NCName"/></attribute>
</group>
<group>
<attribute name="type"><value>text</value></attribute>
</group>
<group>
<attribute name="type"><value>note</value></attribute>
<attribute name="data"><data type="positiveInteger"/></attribute>
</group>
<group>
<attribute name="type"><value>unicode</value></attribute>
<attribute name="data">
<data type="string">
<param name="pattern">ucd\d+\.\d+\.\d+</param>
</data>
</attribute>
</group>
</choice>
<text/>
</element>
</define>
<define name="references">
<zeroOrMore>
<ref name="xref"/>
</zeroOrMore>
</define>
<define name="text_with_references">
<interleave>
<zeroOrMore>
<text/>
<optional><ref name="xref"/></optional>
</zeroOrMore>
</interleave>
</define>
<define name="richText">
<zeroOrMore>
<choice>
<interleave>
<ref name="text_with_references"/>
<optional><element name="br"><empty/></element></optional>
</interleave>
<element name="paragraph">
<interleave>
<ref name="text_with_references"/>
<optional><element name="br"><empty/></element></optional>
</interleave>
</element>
<element name="artwork"><text/></element>
</choice>
</zeroOrMore>
</define>
<define name="genericRange">
<data type="string">
<param name="pattern">(\d+|0x[\da-fA-F]+)(\s*-\s*(\d+|0x[\da-fA-F]+))?</param>
</data>
</define>
<define name="genericDate">
<choice>
<data type="date"/>
<data type="gYearMonth"/>
</choice>
</define>
<define name="hex32">
<data type="string">
<param name="pattern">0x[0-9]{8}</param>
</data>
</define>
<define name="binary">
<data type="string">
<param name="pattern">[0-1]+</param>
</data>
</define>
<define name="footnotes">
<zeroOrMore>
<element name="footnote">
<attribute name="anchor"><data type="positiveInteger"/></attribute>
<interleave>
<zeroOrMore>
<text/>
<optional><ref name="xref"/></optional>
</zeroOrMore>
</interleave>
</element>
</zeroOrMore>
</define>
<define name="file">
<element name="file">
<attribute name="type">
<choice>
<value>legacy</value>
<value>mib</value>
<value>template</value>
<value>json</value>
</choice>
</attribute>
<optional>
<attribute name="name"/>
</optional>
<data type="anyURI"/>
</element>
</define>
</grammar>