<catRef>

<catRef> (類目參照) 標明在某分類法或文件類型學中，一個或多個已定義之類目。 [2.4.3 The Text Classification]
組件 header — The TEI Header
屬性
scheme⚓︎ 標明該分類架構，其中相關的類目群組已被定義
狀態 非必備的
資料類型 teidata.pointer
<a href="https://translate.tei-c.org/translate.html?edit=catRef.xml"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" aria-label="Translation out of date." viewBox="0 0 16 16" style="position:absolute; top:2px; right:2px; color:red"><title>Translation out of date.</title> <path d="M6.146 7.146a.5.5 0 0 1 .708 0L8 8.293l1.146-1.147a.5.5 0 1 1 .708.708L8.707 9l1.147 1.146a.5.5 0 0 1-.708.708L8 9.707l-1.146 1.147a.5.5 0 0 1-.708-.708L7.293 9 6.146 7.854a.5.5 0 0 1 0-.708z"></path> <path d="M3.5 0a.5.5 0 0 1 .5.5V1h8V.5a.5.5 0 0 1 1 0V1h1a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h1V.5a.5.5 0 0 1 .5-.5zM1 4v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V4H1z"></path></svg></a>
可包含在於
core: imprint
header: textClass
可包含 空白元素
註

The scheme attribute needs to be supplied only if more than one taxonomy has been declared.
例子
<catRef target="#zh-tw_news #zh-tw_prov #zh-tw_sales2"/>
<!-- elsewhere -->
<taxonomy>
 <category xml:id="zh-tw_news">
  <catDesc>報紙</catDesc>
 </category>
 <category xml:id="zh-tw_prov">
  <catDesc>全省的</catDesc>
 </category>
 <category xml:id="zh-tw_sales2">
  <catDesc>低於每年平均銷售額</catDesc>
 </category>
</taxonomy>
Content model 
<content>
 <empty/>
</content>
宣告 
<rng:element name="catRef">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:ref name="att.pointing.attributes"/>
 <rng:optional>
  <rng:attribute name="scheme">
   <rng:ref name="teidata.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:empty/>
</rng:element>
element catRef
{
   att.global.attributes,
   att.global.analytic.attributes,
   att.global.change.attributes,
   att.global.facs.attributes,
   att.global.linking.attributes,
   att.global.rendition.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   att.pointing.attributes,
   attribute scheme { teidata.pointer }?,
   empty
}