<xr>

<xr> (cross-reference phrase) contains a phrase, sentence, or icon referring the reader to some other location in this or another text. [9.3.5.3 Cross-References to Other Entries]
Moduledictionaries — 9 Dictionaries
Attributesatt.global (@xml:id, @n, @xml:lang, @rend, @style, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) att.lexicographic (@expand, @norm, @split, @value, @orig, @location, @mergedIn, @opt) (att.datcat (@datcat, @valueDatcat))
typeindicates the type of cross reference, using any convenient typology.
Status Recommended
Datatype 

<rng:ref name="data.enumerated"/>
data.enumerated
Sample values include:
syn
(synonym) cross reference for synonym information
etym
(etymological) etymological information
cf
(compare or consult) related or similar term
illus
(illustration) illustration of an object
Member of
model.entryPart model.entryPart.top
Contained by
core: cit
dictionaries: dictScrap entry entryFree etym hom re sense
namesdates: nym
May contain
analysis: c cl interp interpGrp m pc phr s span spanGrp w
certainty: certainty precision respons
core: abbr add address bibl biblStruct binaryObject cb choice cit corr date del desc distinct email emph expan foreign gap gb gloss graphic hi index label lb list listBibl measure measureGrp media mentioned milestone name note num orig pb ptr q quote ref reg rs said sic soCalled stage term time title unclear
dictionaries: lang lbl oRef oVar pRef pVar usg
drama: camera caption castList move sound tech view
figures: figure formula notatedMusic table
gaiji: g
header: biblFull 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 msDesc objectType origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc climate country district forename genName geo geogFeat geogName listEvent listNym listOrg listPerson listPlace listRelation location nameLink offset orgName persName placeName population region relationGrp roleName settlement state surname terrain trait
spoken: incident kinesic pause shift vocal writing
tagdocs: att classSpec code eg egXML elementSpec gi ident listRef macroSpec moduleSpec specDesc specGrp specGrpRef specList tag val
textcrit: app listApp listWit witDetail
textstructure: floatingText
transcr: addSpan am damage damageSpan delSpan ex fw handShift listTranspose metamark mod redo restore retrace space subst substJoin supplied surplus undo
verse: caesura rhyme
Declaration

<rng:element name="xr">
 <rng:ref name="att.global.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.lexicographic.attributes"/>
 <rng:ref name="att.datcat.attributes"/>
 <rng:optional>
  <rng:attribute name="type">
   <rng:ref name="data.enumerated"/>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:text/>
   <rng:ref name="model.gLike"/>
   <rng:ref name="model.phrase"/>
   <rng:ref name="model.inter"/>
   <rng:ref name="usg"/>
   <rng:ref name="lbl"/>
   <rng:ref name="model.global"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element xr
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.lexicographic.attributes,
   att.datcat.attributes,
   attribute type { data.enumerated }?,
   (
      text
    | model.gLike
    | model.phrase
    | model.inter
    | usg
    | lbl
    | model.global
   )*
}
Example
<entry>
 <form>
  <orth>lavage</orth>
 </form>
 <etym>[Fr. < <mentioned>laver</mentioned>; L. <mentioned>lavare</mentioned>, to wash;
 <xr>see <ref>lather</ref>
  </xr>]. </etym>
</entry>
Example
<entry>
 <form>
  <orth>lawful</orth>
 </form>
 <xr type="syn">SYN. see <ref>legal</ref>
 </xr>
</entry>
Note

May contain character data and phrase-level elements; usually contains a ref or a ptr element.

This element encloses both the actual indication of the location referred to, which may be tagged using the ref or ptr elements, and any accompanying material which gives more information about why the reader is being referred there.