<valDesc>

<valDesc> 要素datatypeにある情報に加えて，属性値の意味的・統語的制約 を示す． 22.4.5 Attribute List Specification
モジュール tagdocs — 22 Documentation Elements
グローバル属性の他 att.translatable (@version)
mode 当該宣言が親モジュールに与える影響を示す．
状態 任意
正当な値:
add
当該宣言は，現行定義に付加される． [初期値]
delete
当該宣言とこの子要素は，現行定義から，外される．
change
当該宣言は，現行定義にある同名宣言を変更する．
replace
当該宣言は，現行定義にある同名宣言に置き換わる．
当該モジュールを使用するもの
attDef
下位
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: abbr address cb choice date distinct email emph expan foreign gap gloss index lb measure measureGrp mentioned milestone name note num pb ptr ref rs soCalled term time title
dictionaries: lang
figures: figure
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc country district forename genName geo geogFeat geogName nameLink offset orgName persName placeName region roleName settlement state surname
spoken: incident kinesic pause shift vocal writing
tagdocs: att code gi ident tag val
textcrit: witDetail
transcr: addSpan am damageSpan delSpan ex fw handShift space subst
宣言 

<rng:element name="valDesc">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.translatable.attributes"/>
 <rng:optional>
  <rng:attribute name="mode" a:defaultValue="add">
   <rng:choice>
    <rng:value>add</rng:value>
    <rng:value>delete</rng:value>
    <rng:value>change</rng:value>
    <rng:value>replace</rng:value>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.phraseSeq.limited"/>
</rng:element>
element valDesc
{
   att.global.attributes,
   att.translatable.attributes,
   attribute mode { "add" | "delete" | "change" | "replace" }?,
   macro.phraseSeq.limited
}
例
<valDesc>must point to another <gi>align</gi>
element logically preceding this one.</valDesc>