Language Resource Management -- Morpho-syntactic Annotation Framework (MAF)

<rng:element name="fsm">
<rng:optional>
 <rng:attribute name="init">
  <rng:ref name="macro.fsm.state"/>
 </rng:attribute>
</rng:optional>
<rng:optional>
 <rng:attribute name="final">
  <rng:ref name="macro.fsm.state"/>
 </rng:attribute>
</rng:optional>
<rng:optional>
 <rng:attribute name="tinit">
  <rng:ref name="macro.fsm.state"/>
 </rng:attribute>
</rng:optional>
<rng:optional>
 <rng:attribute name="tfinal">
  <rng:ref name="macro.fsm.state"/>
 </rng:attribute>
</rng:optional>
<rng:oneOrMore>
 <rng:ref name="transition"/>
</rng:oneOrMore>
</rng:element>

element fsm
{
   attribute init { macro.fsm.state }?,
   attribute final { macro.fsm.state }?,
   attribute tinit { macro.fsm.state }?,
   attribute tfinal { macro.fsm.state }?,
   transition+
}