<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 — 2 The TEI Header
屬性
target標明相關的類目。
狀態 必備的
資料類型 1–∞ occurrences of 
data.pointer
以空白鍵隔開
值 A series of one or more space-separated pointers (URIs) to <category> elements, typically located within a <taxonomy> element inside a TEI header
schemeTO BE TRANSLATED
狀態 非必備的
資料類型 
data.pointer
值 May supply the identifier of the associated <taxonomy> element.
屬於textClass
可包含空白元素
宣告
element catRef
{
   att.global.attributes,
   attribute target { list { data.pointer+ } },
   attribute scheme { data.pointer }?,
   empty
}
例子
<catRef target="#news #prov #sales2"/>
<!-- elsewhere -->
<taxonomy>
 <category xml:id="news">
  <catDesc>Newspapers</catDesc>
 </category>
 <category xml:id="prov">
  <catDesc>Provincial</catDesc>
 </category>
 <category xml:id="sales2">
  <catDesc>Low to average annual sales</catDesc>
 </category>
</taxonomy>
註
The scheme attribute need be supplied only if more than one taxonomy has been declared