<change>

<change> summarizes a particular change or correction made to a particular version of an electronic text which is shared between several researchers. 2.5 The Revision Description
Module header — 2 The TEI Header
In addition to global attributes att.ascribed (@who)
when supplies the date of the change in standard form, i.e. YYYY-MM-DD.
Status Mandatory when applicable
Datatype 

<rng:ref name="data.temporal.w3c"/>
data.temporal.w3c
Values a date, time, or date & time in any of the formats defined in XML Schema Part 2: Datatypes Second Edition
Used by
recordHist revisionDesc
May contain
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: abbr address bibl biblStruct cb choice cit date desc distinct email emph expan foreign gap gloss index label lb list listBibl measure measureGrp mentioned milestone name note num pb ptr q quote ref rs said soCalled stage term time title
dictionaries: lang
drama: camera caption castList move sound tech view
figures: figure table
header: biblFull
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material msDesc origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc country district forename genName geo geogFeat geogName listEvent listNym listOrg listPerson listPlace nameLink offset orgName persName placeName region roleName settlement state surname
spoken: incident kinesic pause shift vocal writing
tagdocs: att classSpec code eg egXML elementSpec gi ident listRef macroSpec moduleRef moduleSpec specGrp specGrpRef tag val
textcrit: listWit witDetail
transcr: addSpan am damageSpan delSpan ex fw handShift space subst
Declaration 

<rng:element name="change">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.ascribed.attributes"/>
 <rng:optional>
  <rng:attribute name="when">
   <rng:ref name="data.temporal.w3c"/>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:text/>
   <rng:ref name="model.limitedPhrase"/>
   <rng:ref name="model.inter"/>
   <rng:ref name="model.global"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element change
{
   att.global.attributes,
   att.ascribed.attributes,
   attribute when { data.temporal.w3c }?,
   ( text | model.limitedPhrase | model.inter | model.global )*
}
Example
<titleStmt>
 <title> ... </title>
 <editor xml:id="LDB">Lou Burnard</editor>
 <respStmt xml:id="BZ">
  <resp>copy editing</resp>
  <name>Brett Zamir</name>
 </respStmt>
</titleStmt>
<!-- ... -->
<revisionDesc>
 <change who="#BZ" when="2008-02-02">Finished chapter 23</change>
 <change who="#BZ" when="2008-01-02">Finished chapter 2</change>
 <change n="P2.2" when="1991-12-21" who="#LDB">Added examples to section 3</change>
 <change when="1991-11-11" who="#MSM">Deleted chapter 10</change>
</revisionDesc>
Note
The who attribute may be used to point to any other element, but will typically specify a respStmt or person element elsewhere in the header, identifying the person responsible for the change and their role in making it.
It is recommended that changes be recorded with the most recent first.