<cond>

<cond> (조건적 자질-구조 제약) 조건적 자질-구조 제약을 정의한다; 후건과 전건은 자질 구조 또는 자질-구조 집합으로 명시된다; 전건과 후건 모두 제시된 자질구조를 포섭하거나 전건이 포섭하지 않는다면 그 제약은 만족된다. [18.11 Feature System Declaration]
모듈 iso-fs — Feature Structures
속성 att.global (@xml:id, @n, @xml:lang, @xml:base, @xml:space) (att.global.rendition (@rend, @style, @rendition)) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) (att.global.responsibility (@cert, @resp)) (att.global.source (@source))
에 의해 포함된
iso-fs: fsConstraints
포함할 수 있다
iso-fs: f fs then
주석

May contain an antecedent feature structure, an empty then element, and a consequent feature structure.
예
<cond>
 <fs>
  <f name="BAR">
   <symbol value="1"/>
  </f>
 </fs>
 <then/>
 <fs>
  <f name="SUBCAT">
   <binary value="false"/>
  </f>
 </fs>
</cond>
Content model 
<content>
 <sequence>
  <alternate>
   <elementRef key="fs"/>
   <elementRef key="f"/>
  </alternate>
  <elementRef key="then"/>
  <alternate>
   <elementRef key="fs"/>
   <elementRef key="f"/>
  </alternate>
 </sequence>
</content>
선언 
<rng:element name="cond">
 <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:group>
  <rng:choice>
   <rng:ref name="fs"/>
   <rng:ref name="f"/>
  </rng:choice>
  <rng:ref name="then"/>
  <rng:choice>
   <rng:ref name="fs"/>
   <rng:ref name="f"/>
  </rng:choice>
 </rng:group>
</rng:element>
element cond
{
   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,
   ( ( fs | f ), then, ( fs | f ) )
}