<tagUsage>

<tagUsage> 提供文件中某個特定元素的使用資訊。 [2.3.4 The Tagging Declaration]
組件header — The TEI Header
屬性att.global (@xml:id, @n, @xml:lang, @rend, @style, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change))
gi (element name) 該標籤所指明的元素名稱 (通用識別符碼)。
狀態 必備的
資料類型 

<rng:ref name="data.name"/>
data.name
值 the name of an element within the namespace indicated by the parent namespace element
occurs指出該元素在文本中出現的次數。
狀態 推薦的
資料類型 

<rng:ref name="data.count"/>
data.count
withId (with unique identifier) 指出帶有明確全域屬性xml:id屬性值的元素在文本中的出現次數。
狀態 推薦的
資料類型 

<rng:ref name="data.count"/>
data.count
render標明元素rendition的識別符號，該符號定義此元素的呈現方法。
狀態 非必備的
資料類型 1–∞ 次可出現: 

<rng:ref name="data.pointer"/>
data.pointer
以空白鍵隔開
值 an identifier specified as the value of the xml:id attribute on some rendition element typically but not necessarily in the current document.
俱乐部会员
可包含在於
header: namespace
可包含
core: abbr address bibl biblStruct choice cit date desc distinct email emph expan foreign gloss hi label list listBibl measure measureGrp mentioned name num ptr q quote ref rs said soCalled stage term time title
dictionaries: lang
drama: camera caption castList move sound tech view
figures: table
header: biblFull idno
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material msDesc objectType origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc climate country district forename genName geo geogFeat geogName listEvent listNym listOrg listPerson listPlace location nameLink offset orgName persName placeName population region roleName settlement state surname terrain trait
tagdocs: att classSpec code eg egXML elementSpec gi ident listRef macroSpec moduleSpec specGrp specGrpRef tag val
textcrit: listApp listWit
textstructure: floatingText
transcr: am ex subst
宣告

<rng:element name="tagUsage">
 <rng:ref name="att.global.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:attribute name="gi">
  <rng:ref name="data.name"/>
 </rng:attribute>
 <rng:optional>
  <rng:attribute name="occurs">
   <rng:ref name="data.count"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="withId">
   <rng:ref name="data.count"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="render">
   <rng:list>
    <rng:oneOrMore>
     <rng:ref name="data.pointer"/>
    </rng:oneOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.limitedContent"/>
</rng:element>
element tagUsage
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   attribute gi { data.name },
   attribute occurs { data.count }?,
   attribute withId { data.count }?,
   attribute render { list { data.pointer+ } }?,
   macro.limitedContent
}
例子
<tagsDecl>
 <rendition xml:id="zh-tw_it">將斜體用於通用的字型</rendition>
<!-- ... -->
 <namespace name="http://www.tei-c.org/ns/1.0">
  <tagUsage
    gi="hi"
    occurs="28"
    withId="2"
    render="#zh-tw_it"> 用來標示副本裡的斜體英文字。</tagUsage>
  <tagUsage gi="foreign" render="#zh-tw_it">用來標示副本裡的非英文字。</tagUsage>
<!-- ... -->
 </namespace>
</tagsDecl>