<valDesc>

<valDesc> (value description) specifies any semantic or syntactic constraint on the value that an attribute may take, additional to the information carried by the datatype element. [23.5.3 Attribute List Specification]
Module tagdocs — Documentation Elements
Attributes
Contained by
tagdocs: attDef
May contain
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: abbr address cb choice date distinct ellipsis email emph expan foreign gap gb gloss hi index lb measure measureGrp mentioned milestone name note noteGrp num pb ptr q ref rs soCalled term time title unit
dictionaries: lang
figures: figure notatedMusic
header: idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp 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 tag val
textcrit: app witDetail
transcr: addSpan am damageSpan delSpan ex fw listTranspose metamark space subst substJoin
character data
Example
<valDesc>must point to another <gi>align</gi>
element logically preceding this one.</valDesc>
Content model 
<content>
 <macroRef key="macro.phraseSeq.limited"/>
</content>
Schema Declaration 
<rng:element name="valDesc">
 <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.translatable.attributes"/>
 <rng:ref name="att.combinable.attributes"/>
 <rng:ref name="att.deprecated.attributes"/>
 <rng:ref name="macro.phraseSeq.limited"/>
</rng:element>
element valDesc
{
   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.translatable.attributes,
   att.combinable.attributes,
   att.deprecated.attributes,
   macro.phraseSeq.limited
}