<subst>

<subst> (substitution) 追加と削除が一連の調整と考えられる場合，そのひとつ以上の追加部分や削 除部分をまとめる．
モジュールtranscr — 11 Representation of Primary Sources
属性 att.transcriptional (@hand, @status, @seq) att.editLike (@cert, @resp, @evidence, @source)
当該モジュールを使用するもの model.pPart.editorial
下位
core: add corr del orig reg sic unclear
textcrit: app
transcr: damage restore supplied
宣言
element subst
{
   att.global.attributes,
   att.transcriptional.attributes,
   att.editLike.attributes,
   ( ( model.pPart.transcriptional ), model.pPart.transcriptional+ )
}
解説
Although a substitution may contain any mixture of additions and deletions; there should be an addition for each deletion bearing the same sequence number. This constraint cannot be modelled in the schema language currently deployed.