<altGrp>

<altGrp> 要素altまたはポインタ要素ptrをまとめる． [16.8 Alternation]
モジュールlinking — Linking, Segmentation, and Alignment
属性att.global (@xml:id, @n, @xml:lang, @rend, @style, @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)) att.pointing.group (@domains, @targFunc) (att.pointing (@targetLang, @target, @evaluate)) (att.typed (@type, @subtype))
mode当該要素でまとめられたものの，選択度を示す．
状態 任意
データ型 

<rng:ref name="data.enumerated"/>
data.enumerated
正当な値:
excl
高々ひとつしか選択できない． [初期値]
incl
複数を選択できる．
クラブのメンバー
model.global.meta
上位
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 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 orgName persName person 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 sourceDoc supplied surface surfaceGrp surplus zone
verse: metSym rhyme
下位
core: ptr
linking: alt
宣言

<rng:element name="altGrp">
 <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:ref name="att.pointing.group.attributes"/>
 <rng:ref name="att.pointing.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:optional>
  <rng:attribute name="mode" a:defaultValue="excl">
   <rng:choice>
    <rng:value>excl</rng:value>
    <rng:value>incl</rng:value>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:ref name="alt"/>
   <rng:ref name="ptr"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element altGrp
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.pointing.group.attributes,
   att.pointing.attributes,
   att.typed.attributes,
   attribute mode { "excl" | "incl" }?,
   ( alt | ptr )*
}
例
<altGrp mode="excl">
 <alt target="#dm #lt #bb" weights="0.5 0.25 0.25"/>
 <alt target="#rl #db" weights="0.5 0.5"/>
</altGrp>
例
<altGrp mode="incl">
 <alt target="#dm #rl" weights="0.90 0.90"/>
 <alt target="#lt #rl" weights="0.5 0.5"/>
 <alt target="#bb #rl" weights="0.5 0.5"/>
 <alt target="#dm #db" weights="0.10 0.10"/>
 <alt target="#lt #db" weights="0.45 0.90"/>
 <alt target="#bb #db" weights="0.45 0.90"/>
</altGrp>
解説

任意数の選択肢，ポインタ，拡張ポインタを示す．