<classSpec rend="add" ident="att.layerIdent" module="MEI.shared" type="atts">
<desc xml:lang="en">Attributes that identify the layer to which a feature applies.</desc>
<attList>
<attDef ident="layer" usage="opt">
<desc xml:lang="en">Identifies the layer to which a feature applies.</desc>
<datatype maxOccurs="unbounded">
<rng:data type="positiveInteger"/>
</datatype>
</attDef>
</attList>
</classSpec>