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diff --git a/metadata/schema/xml.xsd b/metadata/schema/xml.xsd new file mode 100644 index 00000000..aea7d0db --- /dev/null +++ b/metadata/schema/xml.xsd @@ -0,0 +1,287 @@ +<?xml version='1.0'?> +<?xml-stylesheet href="../2008/09/xsd.xsl" type="text/xsl"?> +<xs:schema targetNamespace="http://www.w3.org/XML/1998/namespace" + xmlns:xs="http://www.w3.org/2001/XMLSchema" + xmlns ="http://www.w3.org/1999/xhtml" + xml:lang="en"> + + <xs:annotation> + <xs:documentation> + <div> + <h1>About the XML namespace</h1> + + <div class="bodytext"> + <p> + This schema document describes the XML namespace, in a form + suitable for import by other schema documents. + </p> + <p> + See <a href="http://www.w3.org/XML/1998/namespace.html"> + http://www.w3.org/XML/1998/namespace.html</a> and + <a href="http://www.w3.org/TR/REC-xml"> + http://www.w3.org/TR/REC-xml</a> for information + about this namespace. + </p> + <p> + Note that local names in this namespace are intended to be + defined only by the World Wide Web Consortium or its subgroups. + The names currently defined in this namespace are listed below. + They should not be used with conflicting semantics by any Working + Group, specification, or document instance. + </p> + <p> + See further below in this document for more information about <a + href="#usage">how to refer to this schema document from your own + XSD schema documents</a> and about <a href="#nsversioning">the + namespace-versioning policy governing this schema document</a>. + </p> + </div> + </div> + </xs:documentation> + </xs:annotation> + + <xs:attribute name="lang"> + <xs:annotation> + <xs:documentation> + <div> + + <h3>lang (as an attribute name)</h3> + <p> + denotes an attribute whose value + is a language code for the natural language of the content of + any element; its value is inherited. This name is reserved + by virtue of its definition in the XML specification.</p> + + </div> + <div> + <h4>Notes</h4> + <p> + Attempting to install the relevant ISO 2- and 3-letter + codes as the enumerated possible values is probably never + going to be a realistic possibility. + </p> + <p> + See BCP 47 at <a href="http://www.rfc-editor.org/rfc/bcp/bcp47.txt"> + http://www.rfc-editor.org/rfc/bcp/bcp47.txt</a> + and the IANA language subtag registry at + <a href="http://www.iana.org/assignments/language-subtag-registry"> + http://www.iana.org/assignments/language-subtag-registry</a> + for further information. + </p> + <p> + The union allows for the 'un-declaration' of xml:lang with + the empty string. + </p> + </div> + </xs:documentation> + </xs:annotation> + <xs:simpleType> + <xs:union memberTypes="xs:language"> + <xs:simpleType> + <xs:restriction base="xs:string"> + <xs:enumeration value=""/> + </xs:restriction> + </xs:simpleType> + </xs:union> + </xs:simpleType> + </xs:attribute> + + <xs:attribute name="space"> + <xs:annotation> + <xs:documentation> + <div> + + <h3>space (as an attribute name)</h3> + <p> + denotes an attribute whose + value is a keyword indicating what whitespace processing + discipline is intended for the content of the element; its + value is inherited. This name is reserved by virtue of its + definition in the XML specification.</p> + + </div> + </xs:documentation> + </xs:annotation> + <xs:simpleType> + <xs:restriction base="xs:NCName"> + <xs:enumeration value="default"/> + <xs:enumeration value="preserve"/> + </xs:restriction> + </xs:simpleType> + </xs:attribute> + + <xs:attribute name="base" type="xs:anyURI"> <xs:annotation> + <xs:documentation> + <div> + + <h3>base (as an attribute name)</h3> + <p> + denotes an attribute whose value + provides a URI to be used as the base for interpreting any + relative URIs in the scope of the element on which it + appears; its value is inherited. This name is reserved + by virtue of its definition in the XML Base specification.</p> + + <p> + See <a + href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a> + for information about this attribute. + </p> + </div> + </xs:documentation> + </xs:annotation> + </xs:attribute> + + <xs:attribute name="id" type="xs:ID"> + <xs:annotation> + <xs:documentation> + <div> + + <h3>id (as an attribute name)</h3> + <p> + denotes an attribute whose value + should be interpreted as if declared to be of type ID. + This name is reserved by virtue of its definition in the + xml:id specification.</p> + + <p> + See <a + href="http://www.w3.org/TR/xml-id/">http://www.w3.org/TR/xml-id/</a> + for information about this attribute. + </p> + </div> + </xs:documentation> + </xs:annotation> + </xs:attribute> + + <xs:attributeGroup name="specialAttrs"> + <xs:attribute ref="xml:base"/> + <xs:attribute ref="xml:lang"/> + <xs:attribute ref="xml:space"/> + <xs:attribute ref="xml:id"/> + </xs:attributeGroup> + + <xs:annotation> + <xs:documentation> + <div> + + <h3>Father (in any context at all)</h3> + + <div class="bodytext"> + <p> + denotes Jon Bosak, the chair of + the original XML Working Group. This name is reserved by + the following decision of the W3C XML Plenary and + XML Coordination groups: + </p> + <blockquote> + <p> + In appreciation for his vision, leadership and + dedication the W3C XML Plenary on this 10th day of + February, 2000, reserves for Jon Bosak in perpetuity + the XML name "xml:Father". + </p> + </blockquote> + </div> + </div> + </xs:documentation> + </xs:annotation> + + <xs:annotation> + <xs:documentation> + <div xml:id="usage" id="usage"> + <h2><a name="usage">About this schema document</a></h2> + + <div class="bodytext"> + <p> + This schema defines attributes and an attribute group suitable + for use by schemas wishing to allow <code>xml:base</code>, + <code>xml:lang</code>, <code>xml:space</code> or + <code>xml:id</code> attributes on elements they define. + </p> + <p> + To enable this, such a schema must import this schema for + the XML namespace, e.g. as follows: + </p> + <pre> + <schema . . .> + . . . + <import namespace="http://www.w3.org/XML/1998/namespace" + schemaLocation="http://www.w3.org/2001/xml.xsd"/> + </pre> + <p> + or + </p> + <pre> + <import namespace="http://www.w3.org/XML/1998/namespace" + schemaLocation="http://www.w3.org/2009/01/xml.xsd"/> + </pre> + <p> + Subsequently, qualified reference to any of the attributes or the + group defined below will have the desired effect, e.g. + </p> + <pre> + <type . . .> + . . . + <attributeGroup ref="xml:specialAttrs"/> + </pre> + <p> + will define a type which will schema-validate an instance element + with any of those attributes. + </p> + </div> + </div> + </xs:documentation> + </xs:annotation> + + <xs:annotation> + <xs:documentation> + <div id="nsversioning" xml:id="nsversioning"> + <h2><a name="nsversioning">Versioning policy for this schema document</a></h2> + <div class="bodytext"> + <p> + In keeping with the XML Schema WG's standard versioning + policy, this schema document will persist at + <a href="http://www.w3.org/2009/01/xml.xsd"> + http://www.w3.org/2009/01/xml.xsd</a>. + </p> + <p> + At the date of issue it can also be found at + <a href="http://www.w3.org/2001/xml.xsd"> + http://www.w3.org/2001/xml.xsd</a>. + </p> + <p> + The schema document at that URI may however change in the future, + in order to remain compatible with the latest version of XML + Schema itself, or with the XML namespace itself. In other words, + if the XML Schema or XML namespaces change, the version of this + document at <a href="http://www.w3.org/2001/xml.xsd"> + http://www.w3.org/2001/xml.xsd + </a> + will change accordingly; the version at + <a href="http://www.w3.org/2009/01/xml.xsd"> + http://www.w3.org/2009/01/xml.xsd + </a> + will not change. + </p> + <p> + Previous dated (and unchanging) versions of this schema + document are at: + </p> + <ul> + <li><a href="http://www.w3.org/2009/01/xml.xsd"> + http://www.w3.org/2009/01/xml.xsd</a></li> + <li><a href="http://www.w3.org/2007/08/xml.xsd"> + http://www.w3.org/2007/08/xml.xsd</a></li> + <li><a href="http://www.w3.org/2004/10/xml.xsd"> + http://www.w3.org/2004/10/xml.xsd</a></li> + <li><a href="http://www.w3.org/2001/03/xml.xsd"> + http://www.w3.org/2001/03/xml.xsd</a></li> + </ul> + </div> + </div> + </xs:documentation> + </xs:annotation> + +</xs:schema> + |