<group>

<group> (group) contiene el cuerpo de un texto compuesto, es decir, que agrupa un conjunto de textos distintos (o grupos de textos) considerados como una unidad por criterios determinados, por ejemplo la obra completa de un autor, una serie de ensayos, etc. [4 Default Text Structure 4.3.1 Grouped Texts 15.1 Varieties of Composite Text]
Módulo textstructure — Default Text Structure
Atributos
Contenido en
textstructure: floatingText group text
Puede contener
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: cb ellipsis gap gb head index lb meeting milestone note noteGrp 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: app witDetail
textstructure: argument byline closer dateline docAuthor docDate epigraph group opener postscript salute signed text trailer
transcr: addSpan damageSpan delSpan fw listTranspose metamark space substJoin
Ejemplo
<text>
<!-- Section on Alexander Pope starts -->
 <front>
<!-- biographical notice by editor -->
 </front>
 <group>
  <text>
<!-- first poem -->
  </text>
  <text>
<!-- second poem -->
  </text>
 </group>
</text>
<!-- end of Pope section-->
Content model 
<content>
 <sequence>
  <alternate minOccurs="0"
   maxOccurs="unbounded">
   <classRef key="model.divTop"/>
   <classRef key="model.global"/>
  </alternate>
  <sequence>
   <alternate>
    <elementRef key="text"/>
    <elementRef key="group"/>
   </alternate>
   <alternate minOccurs="0"
    maxOccurs="unbounded">
    <elementRef key="text"/>
    <elementRef key="group"/>
    <classRef key="model.global"/>
   </alternate>
  </sequence>
  <classRef key="model.divBottom"
   minOccurs="0" maxOccurs="unbounded"/>
 </sequence>
</content>
Declaración 
<rng:element name="group">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.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:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:ref name="att.declaring.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:group>
  <rng:zeroOrMore>
   <rng:choice>
    <rng:ref name="model.divTop"/>
    <rng:ref name="model.global"/>
   </rng:choice>
  </rng:zeroOrMore>
  <rng:group>
   <rng:choice>
    <rng:ref name="text"/>
    <rng:ref name="group"/>
   </rng:choice>
   <rng:zeroOrMore>
    <rng:choice>
     <rng:ref name="text"/>
     <rng:ref name="group"/>
     <rng:ref name="model.global"/>
    </rng:choice>
   </rng:zeroOrMore>
  </rng:group>
  <rng:zeroOrMore>
   <rng:ref name="model.divBottom"/>
  </rng:zeroOrMore>
 </rng:group>
</rng:element>
element group
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   att.declaring.attributes,
   att.typed.attributes,
   (
      ( model.divTop | model.global )*,
      ( ( text | group ), ( text | group | model.global )* ),
      model.divBottom*
   )
}