<langUsage>

<langUsage> (language usage) describes the languages, sublanguages, registers, dialects, etc. represented within a text. [2.4.2 Language Usage 2.4 The Profile Description 16.3.2 Declarable Elements]
Module header — The TEI Header
Attributes
Member of
model.profileDescPart
Contained by
header: profileDesc
May contain
core: p
header: language
linking: ab
Example
<langUsage>
 <language ident="fr-CA" usage="60">Québecois</language>
 <language ident="en-CA" usage="20">Canadian business English</language>
 <language ident="en-GB" usage="20">British English</language>
</langUsage>
Schematron

<sch:pattern is-a="declarable">
<sch:param name="tde" value="tei:langUsage"/>
</sch:pattern>
Content model 
<content>
 <alternate>
  <classRef key="model.pLike" minOccurs="1"
   maxOccurs="unbounded"/>
  <elementRef key="language" minOccurs="1"
   maxOccurs="unbounded"/>
 </alternate>
</content>
Schema Declaration 
<rng:element name="langUsage">
 <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.declarable.attributes"/>
 <rng:choice>
  <rng:oneOrMore>
   <rng:ref name="model.pLike"/>
  </rng:oneOrMore>
  <rng:oneOrMore>
   <rng:ref name="language"/>
  </rng:oneOrMore>
 </rng:choice>
</rng:element>
element langUsage
{
   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.declarable.attributes,
   ( model.pLike+ | language+ )
}