<classRef>

<classRef> points to the specification for an attribute or model class which is to be included in a schema [22.4.6 Element Classes]
Módulotagdocs — Documentation Elements
Atributosatt.global (@xml:id, @n, @xml:lang, @xml:base, @xml:space) (att.global.rendition (@rend, @style, @rendition)) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) (att.global.responsibility (@cert, @resp)) att.repeatable (@context, @minOccurs, @maxOccurs) att.readFrom (@source)
keythe identifier used for the required class within the source indicated.
Estado Necesario
Tipo de datos 

<rng:ref name="data.xmlName"/>
data.xmlName
expandindicates how references to this class within a content model should be interpreted.
Estado Opcional
Los valores admitidos son:
alternate
any one member of the class may appear
sequence
a single occurrence of all members of the class may appear in sequence
sequenceOptional
a single occurrence of one or more members of the class may appear in sequence
sequenceOptionalRepeatable
one or more occurrences of one or more members of the class may appear in sequence.
sequenceRepeatable
one or more occurrences of all members of the class may appear in sequence
includesupplies a list of class members which are to be included in the schema being defined.
Estado Opcional
Tipo de datos 0–∞ apariciones de 

<rng:ref name="data.xmlName"/>
data.xmlName
separado por espacio en blanco
exceptsupplies a list of class members which are to be excluded from the schema being defined.
Estado Opcional
Tipo de datos 0–∞ apariciones de 

<rng:ref name="data.xmlName"/>
data.xmlName
separado por espacio en blanco
Miembro de
model.contentPart model.oddRef
Contenido en
tagdocs: alternate content schemaSpec sequence specGrp
Puede contenerElemento vacío
Declaración

<rng:element name="classRef">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.repeatable.attributes"/>
 <rng:ref name="att.readFrom.attributes"/>
 <rng:attribute name="key">
  <rng:ref name="data.xmlName"/>
 </rng:attribute>
 <rng:optional>
  <rng:attribute name="expand">
   <xhtml:dl class="valList"/>
  </rng:attribute>
 </rng:optional>
 <rng:choice>
  <rng:optional>
   <rng:attribute name="include">
    <rng:list>
     <rng:zeroOrMore>
      <rng:ref name="data.xmlName"/>
     </rng:zeroOrMore>
    </rng:list>
   </rng:attribute>
  </rng:optional>
  <rng:optional>
   <rng:attribute name="except">
    <rng:list>
     <rng:zeroOrMore>
      <rng:ref name="data.xmlName"/>
     </rng:zeroOrMore>
    </rng:list>
   </rng:attribute>
  </rng:optional>
 </rng:choice>
 <rng:empty/>
</rng:element>
element classRef
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.repeatable.attributes,
   att.readFrom.attributes,
   attribute key { data.xmlName },
   attribute expand { text }?,
   (
      attribute include { list { data.xmlName* } }?
    | attribute except { list { data.xmlName* } }?
   ),
   empty
}
Ejemplo
<schemaSpec ident="myTEIe" start="TEI">
 <moduleRef key="tei"/>
 <moduleRef key="core"
  include="abbr add core addrLine address author bibl biblScope choice cit corr date del desc divGen editor emph expan foreign gap gloss graphic head hi index item l label lb lg list listBibl mentioned milestone name note num orig p pb ptr pubPlace publisher q ref reg relatedItem resp respStmt rs sic soCalled sp speaker stage teiCorpus term time title unclear"/>
 <moduleRef key="header"
  include="authority availability catRef category change classCode classDecl creation distributor edition editionStmt editorialDecl encodingDesc extent fileDesc funder idno keywords langUsage language licence notesStmt principal profileDesc projectDesc publicationStmt refsDecl revisionDesc samplingDecl seriesStmt sourceDesc sponsor taxonomy teiHeader textClass titleStmt"/>
 <moduleRef key="textstructure"
  include="TEI argument back body byline closer dateline div docAuthor docDate docEdition docImprint docTitle epigraph front group opener postscript salute signed text titlePage titlePart trailer"/>
 <classRef key="att.global.facs"/>
</schemaSpec>