<leaf>

<leaf> (leaf) encodes the leaves (terminal nodes) of a tree. [20.2 Trees]
Module nets — Graphs, Networks, and Trees
Attributes
value⚓︎ provides a pointer to a feature structure or other analytic element.
Status Optional
Datatype teidata.pointer
parent⚓︎ provides the identifier of parent of a leaf.
Status Optional
Datatype teidata.pointer
follow⚓︎ provides an identifier of an element which this leaf follows.
Status Optional
Datatype teidata.pointer
Note

If the tree is unordered or partially ordered, this attribute has the property of fixing the relative order of the leaf and the element which is the value of the attribute.
Contained by
nets: tree
May contain
core: label
Note

The in degree of a leaf is always 1, its out degree always 0.
Example
<leaf xml:id="peri1" parent="#n1">
 <label>periscope</label>
</leaf>
Content model 
<content>
 <elementRef key="label" minOccurs="0"/>
</content>
Schema Declaration 
<rng:element name="leaf">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.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.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:optional>
  <rng:attribute name="value">
   <rng:ref name="teidata.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="parent">
   <rng:ref name="teidata.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="follow">
   <rng:ref name="teidata.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:ref name="label"/>
 </rng:optional>
</rng:element>
element leaf
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   attribute value { teidata.pointer }?,
   attribute parent { teidata.pointer }?,
   attribute follow { teidata.pointer }?,
   label?
}