<app>

<app> (學術編輯註解項目) 一項學術編輯註解，內含一個不必備主題以及至少一個對應本。 [12.1.1 The Apparatus Entry]
組件textcrit — 12 Critical Apparatus
屬性att.global (@xml:id, @n, @xml:lang, @rend, @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))
type利用合適的分類法將此元素所標記的變異分類。
狀態 非必備的
資料類型 

<rng:ref name="data.enumerated"/>
data.enumerated
值 Any convenient descriptive word or phrase, describing the extent of the variation (e.g. word, phrase, punctuation, etc.) its text-critical significance (e.g. significant, accidental, unclear), or the nature of the variation or the principles required to understand it (e.g. lectio difficilior, usus auctoris, etc.)
from必要情況下，指出基礎文件中該主題的開端。
狀態 非必備的
資料類型 

<rng:ref name="data.pointer"/>
data.pointer
值 any valid identifier
to必要情況下，指出基礎文件中該主題的結尾。
狀態 非必備的
資料類型 

<rng:ref name="data.pointer"/>
data.pointer
值 any valid identifier
loc (location) 使用學術編輯註解標記的位置參照辦法時，指出變異的位置。
狀態 非必備的
資料類型 1–∞ 次可出現: 

<rng:ref name="data.word"/>
data.word
以空白鍵隔開
值 A string containing a canonical reference for the passage to which the variation applies.
屬於
model.pPart.transcriptional
可包含在於
analysis: cl pc phr s w
core: abbr add addrLine author bibl biblScope corr date del distinct editor email emph expan foreign gloss head headItem headLabel hi item l label measure mentioned name note num orig p pubPlace publisher q quote ref reg rs said sic soCalled speaker stage street term textLang time title unclear
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
header: change distributor edition extent geoDecl handNote licence scriptNote typeNote
linking: ab seg
msdescription: accMat acquisition additions catchwords collation colophon condition custEvent decoNote explicit filiation finalRubric foliation heraldry incipit layout material musicNotation objectType origDate origPlace origin provenance rubric secFol signatures source stamp summary support surrogates watermark
namesdates: addName affiliation birth bloc country death district education faith floruit forename genName geogName nameLink nationality occupation orgName persName placeName region residence roleName settlement sex socecStatus surname
spoken: u writing
textcrit: lem rdg wit witDetail
textstructure: byline closer dateline docAuthor docDate docEdition docImprint imprimatur opener salute signed titlePart trailer
transcr: am damage fw line metamark mod restore retrace supplied surplus zone
verse: rhyme
可包含
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: cb gap gb index lb milestone note pb
figures: figure notatedMusic
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp timeline
spoken: incident kinesic pause shift vocal writing
textcrit: lem rdg rdgGrp wit witDetail
transcr: addSpan damageSpan delSpan fw listTranspose metamark space substJoin
宣告

<rng:element name="app">
 <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:optional>
  <rng:attribute name="type">
   <rng:ref name="data.enumerated"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="from">
   <rng:ref name="data.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="to">
   <rng:ref name="data.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="loc">
   <rng:list>
    <rng:ref name="data.word"/>
    <rng:zeroOrMore>
     <rng:ref name="data.word"/>
    </rng:zeroOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:group>
  <rng:zeroOrMore>
   <rng:ref name="model.global"/>
  </rng:zeroOrMore>
  <rng:optional>
   <rng:ref name="lem"/>
   <rng:zeroOrMore>
    <rng:ref name="model.global"/>
   </rng:zeroOrMore>
   <rng:optional>
    <rng:ref name="wit"/>
    <rng:zeroOrMore>
     <rng:ref name="model.global"/>
    </rng:zeroOrMore>
   </rng:optional>
  </rng:optional>
  <rng:zeroOrMore>
   <rng:choice>
    <rng:group>
     <rng:ref name="model.rdgLike"/>
     <rng:zeroOrMore>
      <rng:ref name="model.global"/>
     </rng:zeroOrMore>
     <rng:optional>
      <rng:ref name="wit"/>
      <rng:zeroOrMore>
       <rng:ref name="model.global"/>
      </rng:zeroOrMore>
     </rng:optional>
    </rng:group>
    <rng:group>
     <rng:ref name="rdgGrp"/>
     <rng:zeroOrMore>
      <rng:ref name="model.global"/>
     </rng:zeroOrMore>
     <rng:optional>
      <rng:ref name="wit"/>
      <rng:zeroOrMore>
       <rng:ref name="model.global"/>
      </rng:zeroOrMore>
     </rng:optional>
    </rng:group>
   </rng:choice>
  </rng:zeroOrMore>
 </rng:group>
</rng:element>
element app
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   attribute type { data.enumerated }?,
   attribute from { data.pointer }?,
   attribute to { data.pointer }?,
   attribute loc { list { data.word, data.word* } }?,
   (
      model.global*,
      ( lem, model.global*, ( wit, model.global* )? )?,
      (
         ( model.rdgLike, model.global*, ( wit, model.global* )? )
       | ( rdgGrp, model.global*, ( wit, model.global* )? )
      )*
   )
}
Schematron

<sch:assert
 test="count( descendant::tei:lem[ generate-id( current() ) = generate-id( ancestor::tei:app[1] ) ]) < 2">Only one <lem> element may appear within a single
apparatus entry, whether it appears outside a <rdgGrp>
element or within it.</sch:assert>
Schematron

<sch:assert
 test="count(descendant::tei:rdg[generate-id(current() ) = generate-id(ancestor::tei:app[1])]) > 0">An <app>
must contain at least one <rdg> element.</sch:assert>
例子
<app>
 <lem wit="#El #Hg">Experience</lem>
 <rdg wit="#La" type="substantive">Experiment</rdg>
 <rdg wit="#Ra2" type="substantive">Eryment</rdg>
</app>
例子
<app type="substantive">
 <rdgGrp type="subvariants">
  <lem wit="#El #Hg">Experience</lem>
  <rdg wit="#Ha4">Experiens</rdg>
 </rdgGrp>
 <rdgGrp type="subvariants">
  <lem wit="#Cp #Ld1">Experiment</lem>
  <rdg wit="#La">Ex<g ref="#per"/>iment</rdg>
 </rdgGrp>
 <rdgGrp type="subvariants">
  <lem>Eriment<wit>[unattested]</wit>
  </lem>
  <rdg wit="#Ra2">Eryment</rdg>
 </rdgGrp>
</app>