<alt>

<alt> (교체) 요소나 단락 사이의 교체 또는 선택 집합을 식별한다. [16.8 Alternation]
모듈linking — Linking, Segmentation, and Alignment
속성att.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.typed (@type, @subtype) att.pointing (target, @targetLang, @evaluate)
target하나 혹은 다수의 URI 참조를 제시하여 참조의 목적지를 명시한다.
Derived fromatt.pointing
상태 수의적
자료 유형 2–∞ 출현 

<rng:ref name="data.pointer"/>
data.pointer
공백문자로 분리됨
mode이 집합에 모아진 교체가 배타적인지 또는 총괄적인지를 진술한다.
상태 권고적
자료 유형 

<rng:ref name="data.enumerated"/>
data.enumerated
적법한 값은:
excl
(배타적) 교체가 배타적임을 나타낸다. 즉, 기껏해야 교체 집합 중 하나가 나타난다.
incl
(총괄적) 교체가 배타적이 아님을 나타낸다. 즉, 교체집합 중 하나 이상이 나타난다.
weightsmode가 excl이라면, 각 가중치는 대응하는 교체가능성이 발생할 확률을 말한다. mode가 incl이라면, 각 가중치는 적어도 다른 교체가능집합 중 하나가 발생한 상태에서 대응하는 교체가능성이 발생할 확률이다.
상태 수의적
자료 유형 2–∞ 출현 

<rng:ref name="data.probability"/>
data.probability
공백문자로 분리됨
클럽 회원
model.global.meta
에 의해 포함된
analysis: cl m phr s span w
core: abbr add addrLine address author bibl biblScope cit citedRange corr date del distinct editor email emph expan foreign gloss head headItem headLabel hi imprint item l label lg list measure mentioned name note num orig p pubPlace publisher q quote ref reg resp rs said series sic soCalled sp speaker stage street term textLang time title unclear
corpus: activity channel constitution derivation domain factuality interaction locale preparedness purpose
dictionaries: case colloc def dictScrap entry entryFree etym form gen gram gramGrp hom hyph iType lang lbl mood number orth per pos pron re sense stress subc syll tns usg xr
drama: actor camera caption castGroup castItem castList epilogue performance prologue role roleDesc set sound spGrp tech view
figures: cell figure table
header: authority change classCode distributor edition extent funder geoDecl handNote language licence principal scriptNote sponsor typeNote
linking: ab altGrp seg
msdescription: accMat acquisition additions catchwords collation colophon condition custEvent decoNote explicit filiation finalRubric foliation heraldry incipit layout material msItem musicNotation objectType origDate origPlace origin provenance rubric secFol signatures source stamp summary support surrogates watermark
namesdates: addName affiliation age birth bloc country death district education faith floruit forename genName geogFeat geogName langKnown nameLink nationality occupation offset orgName persName person personGrp placeName region residence roleName settlement sex socecStatus surname
nets: graph
spoken: u writing
tagdocs: eg valDesc
textcrit: app lem rdg wit witDetail
textstructure: argument back body byline closer dateline div div1 div2 div3 div4 div5 div6 div7 docAuthor docDate docEdition docImprint docTitle epigraph floatingText front group imprimatur opener postscript salute signed text titlePage titlePart trailer
transcr: damage fw line metamark mod restore retrace secl sourceDoc supplied surface surfaceGrp surplus zone
verse: metSym rhyme
포함할 수 있다공백 요소
선언

<rng:element name="alt">
 <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.typed.attributes"/>
 <rng:ref name="att.pointing.attribute.targetLang"/>
 <rng:ref name="att.pointing.attribute.evaluate"/>
 <rng:optional>
  <rng:attribute name="target">
   <rng:list>
    <rng:ref name="data.pointer"/>
    <rng:ref name="data.pointer"/>
    <rng:zeroOrMore>
     <rng:ref name="data.pointer"/>
    </rng:zeroOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="mode">
   <xhtml:dl class="valList"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="weights">
   <rng:list>
    <rng:ref name="data.probability"/>
    <rng:ref name="data.probability"/>
    <rng:zeroOrMore>
     <rng:ref name="data.probability"/>
    </rng:zeroOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:empty/>
</rng:element>
element alt
{
   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.typed.attributes,
   att.pointing.attribute.targetLang,
   att.pointing.attribute.evaluate,
   attribute target { list { data.pointer, data.pointer, data.pointer* } }?,
   attribute mode { text }?,
   attribute weights
   {
      list { data.probability, data.probability, data.probability* }
   }?,
   empty
}
예
<alt mode="excl" target="#we.fun #we.sun"
 weights="0.5 0.5"/>