<vAlt>

<vAlt> (value alternation) represents the value part of a feature-value specification which contains a set of values, only one of which can be valid. 18.8.1 Alternation
Module iso-fs — 18 Feature Structures
Used by
model.featureVal.single
May contain
iso-fs: binary default fs numeric string symbol vAlt vColl vLabel vMerge vNot
Declaration 

<rng:element name="vAlt">
 <rng:ref name="att.global.attributes"/>
 <rng:group>
  <rng:group>
   <rng:ref name="model.featureVal"/>
  </rng:group>
  <rng:oneOrMore>
   <rng:ref name="model.featureVal"/>
  </rng:oneOrMore>
 </rng:group>
</rng:element>
element vAlt
{
   att.global.attributes,
   ( ( model.featureVal ), model.featureVal+ )
}
Example
<f name="gender">
 <vAlt>
  <symbol value="masculine"/>
  <symbol value="neuter"/>
  <symbol value="feminine"/>
 </vAlt>
</f>