<fsConstraints>

<fsConstraints> (자질-구조 제약) 유효 자질 구조 내용에 대한 제약을 명시한다. [19.11 Feature System Declaration]
모듈 iso-fs — Feature Structures
속성
에 의해 포함된
iso-fs: fsDecl
포함할 수 있다
iso-fs: bicond cond
주석

May contain a series of conditional or biconditional elements.
예
<fsConstraints>
 <cond>
  <fs>
<!-- ...-->
  </fs>
  <then/>
  <fs>
<!-- ... -->
  </fs>
 </cond>
</fsConstraints>
Content model 
<content>
 <alternate minOccurs="0"
  maxOccurs="unbounded">
  <elementRef key="cond"/>
  <elementRef key="bicond"/>
 </alternate>
</content>
선언 
<rng:element name="fsConstraints">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.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:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:ref name="cond"/>
   <rng:ref name="bicond"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element fsConstraints
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   ( cond | bicond )*
}