<classSpec rend="add" ident="att.refrain.vis" module="MEI.visual" type="atts">
<desc xml:lang="en">Visual domain attributes.</desc>
<classes>
<memberOf key="att.color"/>
<memberOf key="att.placementRelStaff"/>
<memberOf key="att.typography"/>
<memberOf key="att.visualOffset.vo"/>
<memberOf key="att.voltaGroupingSym"/>
</classes>
</classSpec>