<classSpec ident="att.rest.vis.mensural" module="MEI.mensural" type="atts">
<desc xml:lang="en">Visual domain attributes.</desc>
<attList>
<attDef ident="spaces" usage="opt">
<desc xml:lang="en">States how many spaces are covered by the rest.</desc>
<datatype>
<rng:data type="positiveInteger"/>
</datatype>
</attDef>
</attList>
</classSpec>