<langKnowledge>

<langKnowledge> (언어 지식) 산문체 또는 langKnown 요소 목록으로 개인의 언어 지식 상태를 요약한다.
모듈namesdates — 13 Names, Dates, People, and Places
속성att.global (@xml:id, @n, @xml:lang, @rend, @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.datable (att.datable.w3c (@period, @when, @notBefore, @notAfter, @from, @to)) (att.datable.iso (@when-iso, @notBefore-iso, @notAfter-iso, @from-iso, @to-iso)) att.editLike (@evidence, @source) (att.dimensions (@unit, @quantity, @extent, @precision, @scope) (att.ranging (@atLeast, @atMost, @min, @max)) ) (att.responsibility (@cert, @resp))
tags명시된 언어의 하나 이상의 유효한 언어 태그를 제시한다.
상태 수의적
자료 유형 1–∞ 출현 

<rng:ref name="data.language"/>
data.language
공백문자로 분리됨
에 의해 사용된
에 의해 포함된
namesdates: person personGrp
포함할 수 있다
core: p
linking: ab
namesdates: langKnown
선언

<rng:element name="langKnowledge">
 <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.datable.w3c.attributes"/>
 <rng:ref name="att.datable.iso.attributes"/>
 <rng:ref name="att.editLike.attributes"/>
 <rng:ref name="att.dimensions.attributes"/>
 <rng:ref name="att.ranging.attributes"/>
 <rng:ref name="att.responsibility.attributes"/>
 <rng:optional>
  <rng:attribute name="tags">
   <rng:list>
    <rng:ref name="data.language"/>
    <rng:zeroOrMore>
     <rng:ref name="data.language"/>
    </rng:zeroOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:choice>
  <rng:ref name="model.pLike"/>
  <rng:oneOrMore>
   <rng:ref name="langKnown"/>
  </rng:oneOrMore>
 </rng:choice>
</rng:element>
element langKnowledge
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.datable.w3c.attributes,
   att.datable.iso.attributes,
   att.editLike.attributes,
   att.dimensions.attributes,
   att.ranging.attributes,
   att.responsibility.attributes,
   attribute tags { list { data.language, data.language* } }?,
   ( model.pLike | langKnown+ )
}
<langKnowledge tags="en-GB fr">
 <p>British English and French</p>
</langKnowledge>
<langKnowledge>
 <langKnown tag="en-GB" level="H">British English</langKnown>
 <langKnown tag="fr" level="M">French</langKnown>
</langKnowledge>