<subst>

<subst> (substitution) groups one or more deletions with one or more additions when the combination is to be regarded as a single intervention in the text.
組件 transcr — 11 Representation of Primary Sources
除全域屬性以外 att.transcriptional (@hand, @status, @seq) (att.editLike (@evidence, @source) (att.dimensions (@unit, @quantity, @extent, @precision, @scope) (att.ranging (@atLeast, @atMost, @min, @max)) ) (att.responsibility (@cert, @resp)) )
屬於
model.pPart.editorial
可包含
core: add corr del orig reg sic unclear
textcrit: app
transcr: damage restore supplied surplus
宣告 

<rng:element name="subst">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.transcriptional.attributes"/>
 <rng:ref name="att.editLike.attributes"/>
 <rng:ref name="att.dimensions.attributes"/>
 <rng:ref name="att.ranging.attributes"/>
 <rng:ref name="att.responsibility.attributes"/>
 <rng:group>
  <rng:group>
   <rng:ref name="model.pPart.transcriptional"/>
  </rng:group>
  <rng:oneOrMore>
   <rng:ref name="model.pPart.transcriptional"/>
  </rng:oneOrMore>
 </rng:group>
</rng:element>
element subst
{
   att.global.attributes,
   att.transcriptional.attributes,
   att.editLike.attributes,
   att.dimensions.attributes,
   att.ranging.attributes,
   att.responsibility.attributes,
   ( ( model.pPart.transcriptional ), model.pPart.transcriptional+ )
}
例子
... are all included. <del hand="#RG">It is</del>
<subst>
 <add>T</add>
 <del>t</del>
</subst>he expressed