<ab>

<ab> 任意の部分的テキスト単位を示す．特定の意味はなくとも，段落に相当する， 句レベル・挿入レベルの単位として無名単位になる． [16.3 Blocks, Segments, and Anchors]
モジュールlinking — 16 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.typed (@type, @subtype) att.declaring (@decls)
part 当該部分の完全性を示す．
状態 任意
データ型 

<rng:ref name="data.enumerated"/>
data.enumerated
正当な値:
Y
(yes) 当該部分は完全ででない．
N
(no) 当該部分は完全である，または完全性が問題にならない． [初期値]
I
(initial) 当該部分の，前部分が完全ではない．
M
(medial) 当該部分の，中部分が完全ではない．
F
(final) 当該部分の，後部分が完全ではない．
解説
属性値I, M, Fは，当該部分が再構 成されるべき場所のみに使用される．
当該モジュールを使用するもの
model.pLike
上位
core: item note q quote said sp stage
corpus: particDesc setting settingDesc
drama: castList epilogue performance prologue set view
figures: figure
header: application availability cRefPattern calendar change correction editionStmt editorialDecl encodingDesc handNote hyphenation interpretation licence normalization projectDesc publicationStmt quotation refsDecl samplingDecl scriptNote segmentation seriesStmt sourceDesc stdVals styleDefDecl typeNote
msdescription: accMat acquisition additions binding bindingDesc collation condition custEvent custodialHist decoDesc decoNote filiation foliation handDesc history layout layoutDesc msContents msDesc msItem msItemStruct msPart musicNotation objectDesc origin physDesc provenance recordHist scriptDesc seal sealDesc source support supportDesc surrogates typeDesc
namesdates: climate event langKnowledge listRelation nym org person personGrp place population relationGrp state terrain trait
spoken: broadcast equipment recording recordingStmt scriptStmt
tagdocs: exemplum remarks specGrp
textstructure: argument body div div1 div2 div3 div4 div5 div6 div7 epigraph postscript
transcr: metamark
verse: metDecl
下位
analysis: c cl interp interpGrp m pc phr s span spanGrp w
certainty: certainty precision respons
core: abbr add address bibl biblStruct binaryObject cb choice cit corr date del desc distinct email emph expan foreign gap gb gloss graphic hi index label lb lg list listBibl measure measureGrp mentioned milestone name note num orig pb ptr q quote ref reg rs said sic soCalled stage term time title unclear
dictionaries: lang oRef oVar pRef pVar
drama: camera caption castList move sound tech view
figures: figure formula notatedMusic table
gaiji: g
header: biblFull idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp seg timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material msDesc objectType origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc climate country district forename genName geo geogFeat geogName listEvent listNym listOrg listPerson listPlace listRelation location nameLink offset orgName persName placeName population region relationGrp roleName settlement state surname terrain trait
spoken: incident kinesic pause shift vocal writing
tagdocs: att classSpec code eg egXML elementSpec gi ident listRef macroSpec moduleSpec specDesc specGrp specGrpRef specList tag val
textcrit: app listApp listWit witDetail
textstructure: floatingText
transcr: addSpan am damage damageSpan delSpan ex fw handShift listTranspose metamark mod redo restore retrace space subst substJoin supplied surplus undo
verse: caesura rhyme
宣言

<rng:element name="ab">
 <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.typed.attributes"/>
 <rng:ref name="att.declaring.attributes"/>
 <rng:optional>
  <rng:attribute name="part" a:defaultValue="N">
   <rng:choice>
    <rng:value>Y</rng:value>
    <rng:value>N</rng:value>
    <rng:value>I</rng:value>
    <rng:value>M</rng:value>
    <rng:value>F</rng:value>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.paraContent"/>
</rng:element>
element ab
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.typed.attributes,
   att.declaring.attributes,
   attribute part { "Y" | "N" | "I" | "M" | "F" }?,
   macro.paraContent
}
例
<div type="book" n="Genesis">
 <div type="chapter" n="1">
  <ab>In the beginning God created the heaven and the earth.</ab>
  <ab>And the earth was without form, and void; and
     darkness was upon the face of the deep. And the
     spirit of God moved upon the face of the waters.</ab>
  <ab>And God said, Let there be light: and there was light.</ab>
<!-- ...-->
 </div>
</div>
解説
要素abは，符号化する人が望むあらゆる単位レベルで，適切な 要素が規定されていない場合に，自由に使用することが出来る．