<xs:attributeGroup name="group.attribs">
  <xs:attribute name="id" type="xs:ID" use="required" />
  <xs:attribute ref="emma:tokens" />
  <xs:attribute ref="emma:process" />
  <xs:attribute ref="emma:lang" />
  <xs:attribute ref="emma:signal" />
  <xs:attribute ref="emma:signal-size" />
  <xs:attribute ref="emma:media-type" />
  <xs:attribute ref="emma:confidence" />
  <xs:attribute ref="emma:source" />
  <xs:attribute ref="emma:start" />
  <xs:attribute ref="emma:end" />
  <xs:attribute ref="emma:time-ref-uri" />
  <xs:attribute ref="emma:time-ref-anchor-point" />
  <xs:attribute ref="emma:offset-to-start" />
  <xs:attribute ref="emma:duration" />
  <xs:attribute ref="emma:medium" />
  <xs:attribute ref="emma:mode" />
  <xs:attribute ref="emma:function" />
  <xs:attribute ref="emma:verbal" />
  <xs:attribute ref="emma:cost" />
  <xs:attribute ref="emma:grammar-ref" />
  <xs:attribute ref="emma:endpoint-info-ref" />
  <xs:attribute ref="emma:model-ref" />
  <xs:attribute ref="emma:dialog-turn" />
</xs:attributeGroup>