<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. [22.4.5 Attribute List Specification]
組件tagdocs — 22 Documentation Elements
屬性att.global (@xml:id, @n, @xml:lang, @rend, @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.translatable (@version) att.combinable (@mode)
屬於
可包含在於
tagdocs: attDef
可包含
宣告

<rng:element name="valDesc">
 <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.translatable.attributes"/>
 <rng:ref name="att.combinable.attributes"/>
 <rng:ref name="macro.phraseSeq.limited"/>
</rng:element>
element valDesc
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.translatable.attributes,
   att.combinable.attributes,
   macro.phraseSeq.limited
}
例子
<valDesc>must point to another <gi>align</gi>
element logically preceding this one.</valDesc>