<when>

<when> [16.5.2 Placing Synchronous Events in Time]
Modullinking — Linking, Segmentation, and Alignment
Attributeatt.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))
absolute
Zustand Optional
Datentyp 

<rng:ref name="data.temporal.w3c"/>
data.temporal.w3c
unit Empfohlene Werte sind: 1] d; 2] h; 3] min; 4] s; 5] ms
Zustand Optional
Datentyp 

<rng:ref name="data.enumerated"/>
data.enumerated
Empfohlene Werte sind:
d
h
min
s
ms
interval
Zustand Optional
Datentyp 

<rng:ref name="data.interval"/>
data.interval
since
Zustand Optional
Datentyp 

<rng:ref name="data.pointer"/>
data.pointer
Mitglied des
Enthalten in
linking: timeline
Kann enthaltenLeeres Element
Deklaration

<rng:element name="when">
 <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="absolute">
   <rng:ref name="data.temporal.w3c"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="unit">
   <rng:choice>
    <rng:value>d</rng:value>
    <rng:value>h</rng:value>
    <rng:value>min</rng:value>
    <rng:value>s</rng:value>
    <rng:value>ms</rng:value>
    <rng:data type="Name"/>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="interval">
   <rng:ref name="data.interval"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="since">
   <rng:ref name="data.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:empty/>
</rng:element>
element when
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   attribute absolute { data.temporal.w3c }?,
   attribute unit { "d" | "h" | "min" | "s" | "ms" | xsd:Name }?,
   attribute interval { data.interval }?,
   attribute since { data.pointer }?,
   empty
}
Beispiel
<when xml:id="TW3" interval="20" since="#w2"/>