<join>

<join> 標明文本中可能的不完整分割，指向構成此不完整分割的可能不連接元素。 [16.7 Aggregation]
組件linking — 16 Linking, Segmentation, and Alignment
屬性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 (@targetLang, @target, @evaluate) att.typed (@type, @subtype)
targets標明與一個虛擬元素相連結的元素或段落識別符碼。
狀態 非必備的
資料類型 2–∞ 次可出現: 

<rng:ref name="data.pointer"/>
data.pointer
以空白鍵隔開
值 two or more pointers (URIs), separated by whitespace
result指出一個推斷該元素集合所代表的元素名稱。
狀態 非必備的
資料類型 

<rng:ref name="data.name"/>
data.name
值 The generic identifier of an element in the current DTD.
scope指出被連結的目標是否包含所指元素的完整部份 (完整樹狀圖包含根節點) ，或僅包含該目標的子元素 (樹狀分支部份) 。
狀態 推薦的
資料類型 

<rng:ref name="data.enumerated"/>
data.enumerated
合法的值是:
root
由屬性target所指明、具根節點的樹狀圖彼此連結，每個樹狀圖成為該連結所產生之虛擬元素的子元素。 [預設值]
branches
由屬性target所指明的樹狀圖的子元素成為虛擬元素的子元素 (例如捨去樹狀圖的根節點) 。
屬於
model.global.meta
可包含在於
analysis: cl m phr s span w
core: abbr add addrLine address author bibl biblScope cit 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 joinGrp 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 geogName langKnown nameLink nationality occupation orgName persName person placeName region residence roleName settlement sex socecStatus surname
nets: graph
spoken: u writing
tagdocs: 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
可包含
certainty: certainty precision respons
core: desc
宣告

<rng:element name="join">
 <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.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:optional>
  <rng:attribute name="targets">
   <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="result">
   <rng:ref name="data.name"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="scope" a:defaultValue="root">
   <rng:choice>
    <rng:value>root</rng:value>
    <rng:value>branches</rng:value>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:ref name="model.descLike"/>
   <rng:ref name="model.certLike"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element join
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.pointing.attributes,
   att.typed.attributes,
   attribute targets { list { data.pointer, data.pointer, data.pointer* } }?,
   attribute result { data.name }?,
   attribute scope { "root" | "branches" }?,
   ( model.descLike | model.certLike )*
}
Schematron

<s:report test="@target and @targets">You may not supply both
@target and @targets</s:report>
Schematron

<s:report test="not(@target) and not(@targets)">You must
supply either @target or @targets</s:report>
Schematron

<s:assert test="contains(@target,' ')">You must supply at least two
values for @target</s:assert>
例子
<sp>
 <speaker>休</speaker>
 <p>怎麼樣了？<q>
   <l xml:id="zh-tw_frog_x1">呱、呱、呱</l>
   <l xml:id="zh-tw_frog_l2">有新來的青蛙</l>
   <l>...</l>
  </q>
 </p>
</sp>
<sp>
 <speaker>路易</speaker>
 <p>
  <q>
   <l xml:id="zh-tw_frog_l1">以前的池塘</l>
   <l>...</l>
  </q>
 </p>
</sp>
<sp>
 <speaker>迪威</speaker>
 <p>
  <q>... <l xml:id="zh-tw_frog_l3">有新的池塘</l>
  </q>
 </p>
 <join
   target="#zh-tw_frog_l1 #zh-tw_frog_l2 #zh-tw_frog_l3"
   result="lg"
   scope="root"/>
</sp>
例子
<p>台灣譯為<list xml:id="zh-tw_LP1">
  <item>
   <s>艾蜜莉的異想世界</s>
  </item>
 </list> ；香港譯作<list xml:id="zh-tw_LP2">
  <item>
   <s>天使愛美麗</s>
  </item>
 </list>。</p>
<p>中國大陸則名為<list xml:id="zh-tw_LP3">
  <item>
   <s>阿梅麗的奇妙命運</s>
  </item>
 </list>。</p>
<join
  result="list"
  xml:id="zh-tw_LST1"
  target="#zh-tw_LP1 #zh-tw_LP2 #zh-tw_LP3"
  scope="branches">
 <desc>電影Le Fabuleux Destin d'Amélie Poulain的中港台譯名</desc>
</join>