<schemaRef>

<schemaRef> (schema reference) describes or points to a related customization or schema file [2.3.10 The Schema Specification]
組件 header — The TEI Header
屬性
key⚓︎ the identifier used for the customization or schema
狀態 非必備的
資料類型 teidata.xmlName
俱乐部会员
model.encodingDescPart
可包含在於
header: encodingDesc
可包含
core: desc
例子
<schemaRef type="interchangeODD"
 url="http://www.tei-c.org/release/xml/tei/custom/odd/tei_lite.odd"/>
<schemaRef type="interchangeRNG"
 url="http://www.tei-c.org/release/xml/tei/custom/odd/tei_lite.rng"/>
<schemaRef type="projectODD"
 url="file:///schema/project.odd"/>
Content model 
<content>
 <classRef key="model.descLike"
  minOccurs="0"/>
</content>
宣告 
<rng:element name="schemaRef">
 <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.global.source.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:ref name="att.resourced.attributes"/>
 <rng:optional>
  <rng:attribute name="key">
   <rng:ref name="teidata.xmlName"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:ref name="model.descLike"/>
 </rng:optional>
</rng:element>
element schemaRef
{
   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.global.source.attributes,
   att.typed.attributes,
   att.resourced.attributes,
   attribute key { teidata.xmlName }?,
   model.descLike?
}