<arc>

<arc> encodes an arc, the connection from one node to another in a graph. [19.1 Graphs and Digraphs]
Modulnets — Graphs, Networks, and Trees
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))
fromgives the identifier of the node which is adjacent from this arc.
Zustand Obligatorisch
Datentyp 

<rng:ref name="data.pointer"/>
data.pointer
togives the identifier of the node which is adjacent to this arc.
Zustand Obligatorisch
Datentyp 

<rng:ref name="data.pointer"/>
data.pointer
Enthalten in
nets: graph
Kann enthalten
core: label
Deklaration

<rng:element name="arc">
 <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:attribute name="from">
  <rng:ref name="data.pointer"/>
 </rng:attribute>
 <rng:attribute name="to">
  <rng:ref name="data.pointer"/>
 </rng:attribute>
 <rng:optional>
  <rng:ref name="label"/>
  <rng:optional>
   <rng:ref name="label"/>
  </rng:optional>
 </rng:optional>
</rng:element>
element arc
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   attribute from { data.pointer },
   attribute to { data.pointer },
   ( label, label? )?
}
Beispiel
<arc from="#T3" to="#T3">
 <label>OLD</label>
 <label>VIEUX</label>
</arc>