<classes>

<classes> 標明所記錄的元素或元素集所屬或是附屬的所有元素集。 [22.4.4 Element Specifications 22.4.6 Element Classes]
組件tagdocs — Documentation Elements
屬性att.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))
modespecifies the effect of this declaration on its parent module.
狀態 非必備的
資料類型 

<rng:ref name="data.enumerated"/>
data.enumerated
合法的值是:
change
this declaration changes the declaration of the same name in the current definition
replace
this declaration replaces the declaration of the same name in the current definition [預設值]
可包含在於
tagdocs: classSpec elementSpec
可包含
tagdocs: memberOf
宣告

<rng:element name="classes">
 <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:optional>
  <rng:attribute name="mode"
   a:defaultValue="replace">
   <rng:choice>
    <rng:value>change</rng:value>
    <rng:value>replace</rng:value>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:ref name="memberOf"/>
 </rng:zeroOrMore>
</rng:element>
element classes
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   attribute mode { "change" | "replace" }?,
   memberOf*
}
例子
<classes>
 <memberOf key="model.qLike"/>
 <memberOf key="att.declarable"/>
</classes>

This classes element indicates that the element documented (which may be an element or a class) is a member of two distinct classes: model.qLike and att.declarable.