<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
除全域屬性以外
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 可應用時必備的
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
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: cb gap index lb milestone note pb
figures: figure
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 space
宣告 

<rng:element name="app">
 <rng:ref name="att.global.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:oneOrMore>
     <rng:ref name="data.word"/>
    </rng:oneOrMore>
   </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,
   attribute type { data.enumerated }?,
   attribute from { data.pointer }?,
   attribute to { data.pointer }?,
   attribute loc { list { data.word+ } }?,
   (
      model.global*,
      ( lem, model.global*, ( wit, model.global* )? )?,
      (
         ( model.rdgLike, model.global*, ( wit, model.global* )? )
       | ( rdgGrp, model.global*, ( wit, model.global* )? )
      )*
   )
}
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>