<fvLib>

<fvLib> (功能值存庫) 可重複使用的功能值元素的集合存庫 (包含完整功能結構) 。 [18.4 Feature Libraries and Feature-Value Libraries]
組件iso-fs — 18 Feature Structures
屬性att.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.global.change (@change))
屬於
可包含在於
analysis: cl m phr s span w
figures: cell figure table
linking: ab seg
nets: graph
spoken: u writing
tagdocs: valDesc
textcrit: app lem rdg wit witDetail
verse: metSym rhyme
可包含
宣告

<rng:element name="fvLib">
 <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:zeroOrMore>
  <rng:choice>
   <rng:ref name="model.featureVal"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element fvLib
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   model.featureVal*
}
例子
<fvLib n="symbolic values">
 <symbol xml:id="sfirst" value="first"/>
 <symbol xml:id="ssecond" value="second"/>
<!-- ... -->
 <symbol xml:id="ssing" value="singular"/>
 <symbol xml:id="splur" value="plural"/>
<!-- ... -->
</fvLib>