<locus>

<locus> 定義一個手稿或手稿部分裡的位置，通常是用一系列的 (可能不連續的) 頁面參照。 [10.3.5 References to Locations within a Manuscript]
組件msdescription — Manuscript Description
屬性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.pointing (@targetLang, @target, @evaluate)
scheme說明所指出位置的編頁架構。
狀態 非必備的
資料類型 

<rng:ref name="data.pointer"/>
data.pointer
from用正規格式指明該位置的起始點。
狀態 非必備的
資料類型 

<rng:ref name="data.word"/>
data.word
to用正規格式指明該位置的結束點。
狀態 非必備的
資料類型 

<rng:ref name="data.word"/>
data.word
俱乐部会员
model.pPart.msdesc
可包含在於
analysis: cl phr s span
core: abbr add addrLine author biblScope citedRange corr date del desc distinct editor email emph expan foreign gloss head headItem headLabel hi item l label measure meeting mentioned name note num orig p pubPlace publisher q quote ref reg resp rs said sic soCalled speaker stage street term textLang time title unclear
corpus: activity channel constitution derivation domain factuality interaction locale preparedness purpose
dictionaries: case colloc def dictScrap entryFree etym form gen gram gramGrp hyph iType lang lbl mood number orth per pos pron re sense stress subc syll tns usg xr
drama: actor camera caption castItem role roleDesc sound tech view
figures: cell figDesc
header: authority catDesc change classCode creation distributor edition extent funder geoDecl handNote language licence principal rendition scriptNote sponsor tagUsage typeNote
iso-fs: fDescr fsDescr
linking: ab seg
msdescription: accMat acquisition additions catchwords collation colophon condition custEvent decoNote explicit filiation finalRubric foliation heraldry incipit layout locusGrp material msItem msItemStruct 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 placeName region residence roleName settlement sex socecStatus surname
spoken: u writing
tagdocs: eg valDesc
textcrit: lem rdg wit witDetail witness
textstructure: byline closer dateline docAuthor docDate docEdition docImprint imprimatur opener salute signed titlePart trailer
transcr: damage fw metamark mod restore retrace secl supplied surplus
verse: metSym rhyme
可包含
gaiji: g
宣告

<rng:element name="locus">
 <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.pointing.attributes"/>
 <rng:optional>
  <rng:attribute name="scheme">
   <rng:ref name="data.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="from">
   <rng:ref name="data.word"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="to">
   <rng:ref name="data.word"/>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.xtext"/>
</rng:element>
element locus
{
   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.pointing.attributes,
   attribute scheme { data.pointer }?,
   attribute from { data.word }?,
   attribute to { data.word }?,
   macro.xtext
}
例子
<locus target="#zh-tw_P12 #zh-tw_P13 #zh-tw_P14 #zh-tw_P16">fols 12-14, 16r</locus>
<!-- ... -->
<pb xml:id="zh-tw_P12"/>
<pb xml:id="zh-tw_P13"/>
<pb xml:id="zh-tw_P14"/>
<pb xml:id="zh-tw_P15"/>
<pb xml:id="zh-tw_P16"/>