<opener>

<opener> (opener) agrupa la fecha, autoria, fórmula introductiva o de saludo o expresiones similares utilizades al inicio de una división textual, especialmente en una carta. [4.2 Elements Common to All Divisions]
Módulo textstructure — Default Text Structure
Atributos
Miembro de
model.divTopPart
Contenido en
cmc: post
core: lg list
drama: castList epilogue performance prologue
textstructure: body div div1 div2 div3 div4 div5 div6 div7 group postscript
Puede contener
analysis: c cl interp interpGrp m pc phr s span spanGrp w
certainty: certainty precision respons
core: abbr add address binaryObject cb choice corr date del distinct ellipsis email emph expan foreign gap gb gloss graphic hi index lb measure measureGrp media mentioned milestone name note noteGrp num orig pb ptr q ref reg rs ruby sic soCalled term time title unclear unit
dictionaries: lang oRef pRef
figures: figure formula notatedMusic
gaiji: g
header: idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp seg timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material objectType origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc climate country district eventName forename genName geo geogFeat geogName location nameLink objectName offset orgName persName persPronouns placeName population region roleName settlement state surname terrain trait
spoken: incident kinesic pause shift vocal writing
tagdocs: att code gi ident listRef specDesc specList tag val
textcrit: app witDetail
textstructure: argument byline dateline epigraph salute signed
transcr: addSpan am damage damageSpan delSpan ex fw handShift listTranspose metamark mod redo restore retrace secl space subst substJoin supplied surplus undo
verse: caesura rhyme
datos de caracteres
Ejemplo
<opener>
 <dateline>Walden, this 29. of August 1592</dateline>
</opener>
Ejemplo
<opener>
 <dateline>
  <name type="place">Great Marlborough Street</name>
  <date>November 11, 1848</date>
 </dateline>
 <salute>My dear Sir,</salute>
</opener>
<p>I am sorry to say that absence from town and other circumstances have prevented me from
earlier enquiring...</p>
Content model 
<content>
 <alternate minOccurs="0"
  maxOccurs="unbounded">
  <textNode/>
  <classRef key="model.gLike"/>
  <classRef key="model.phrase"/>
  <elementRef key="argument"/>
  <elementRef key="byline"/>
  <elementRef key="dateline"/>
  <elementRef key="epigraph"/>
  <elementRef key="salute"/>
  <elementRef key="signed"/>
  <classRef key="model.global"/>
 </alternate>
</content>
Declaración 
<rng:element name="opener">
 <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.written.attributes"/>
 <rng:ref name="att.cmc.attributes"/>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:text/>
   <rng:ref name="model.gLike"/>
   <rng:ref name="model.phrase"/>
   <rng:ref name="argument"/>
   <rng:ref name="byline"/>
   <rng:ref name="dateline"/>
   <rng:ref name="epigraph"/>
   <rng:ref name="salute"/>
   <rng:ref name="signed"/>
   <rng:ref name="model.global"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element opener
{
   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.written.attributes,
   att.cmc.attributes,
   (
      text
    | model.gLike
    | model.phrase
    | argument
    | byline
    | dateline
    | epigraph
    | salute
    | signed
    | model.global
   )*
}