<leaf>

<leaf> encodes the leaves (terminal nodes) of a tree. 19.2 Trees
Modulnets — 19 Graphs, Networks, and Trees
Attribute
valueprovides a pointer to a feature structure or other analytic element.
Zustand Vorgeschrieben wenn zutreffend
Datentyp 
data.pointer
Werte A valid identifier of a feature structure or other analytic element.
parentprovides the identifier of parent of a leaf.
Zustand Optional
Datentyp 
data.pointer
Werte The identifier of the parent node.
followprovides an identifier of an element which this leaf follows.
Zustand Vorgeschrieben wenn zutreffend
Datentyp 
data.pointer
Werte The identifier of another intermediate node or leaf of the tree.
Anmerkung
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.
Verwendet vontree
Kann enthalten
core: label
Deklaration
element leaf
{
   att.global.attributes,
   attribute value { data.pointer }?,
   attribute parent { data.pointer }?,
   attribute follow { data.pointer }?,
   label?
}
Beispiel
<leaf xml:id="peri1" parent="#n1">
 <label>periscope</label>
</leaf>
Anmerkung
The in degree of a leaf is always 1, its out degree always 0.