<rdgGrp>

<rdgGrp> (reading group) within a textual variation, groups two or more readings perceived to have a genetic relationship or other affinity. [13.1. The Apparatus Entry, Readings, and Witnesses]
Moduletextcrit
Attributes
Contained by
textcrit: app rdgGrp
May contain
core: note noteGrp
textcrit: lem rdg rdgGrp wit
Note

May contain readings and nested reading groups.

Usually, only one lem element should appear within a single apparatus entry, whether it appears outside a rdgGrp element or within it.

Example
<app>
 <lem wit="#El #Ra2">though</lem>
 <rdgGrp type="orthographic">
  <rdg wit="#Hg">thogh</rdg>
  <rdg wit="#La">thouhe</rdg>
 </rdgGrp>
</app>
Schematron

<sch:rule context="tei:rdgGrp">
<sch:assert test="count(tei:lem) lt 2">Only one <lem> element may appear within a <rdgGrp></sch:assert>
</sch:rule>
Content model
<content>
 <sequence>
  <elementRef key="lem" minOccurs="0"/>
  <alternate maxOccurs="unbounded"
   minOccurs="0">
   <classRef key="model.rdgLike"/>
   <classRef key="model.noteLike"/>
   <elementRef key="witDetail"/>
   <elementRef key="wit"/>
   <elementRef key="rdgGrp"/>
  </alternate>
 </sequence>
</content>
Schema Declaration
element rdgGrp
{
   tei_att.global.attributes,
   tei_att.textCritical.attributes,
   (
      tei_lem?,
      (
         tei_model.rdgLike
       | tei_model.noteLike
       | witDetail
       | tei_wit
       | tei_rdgGrp
      )*
   )
}