When appropriate, values from an established typology should be used.
<classSpec ident="att.typed" module="MEI.shared" type="atts">
<desc>Attributes which can be used to classify features.</desc>
<attList org="group">
<attDef ident="type" usage="opt">
<desc>Designation which characterizes the element in some sense, using any convenient
classification scheme or typology that employs single-token labels.</desc>
<datatype maxOccurs="unbounded" minOccurs="1">
<rng:data type="NMTOKEN"/>
</datatype>
</attDef>
</attList>
<remarks>
<p part="N">When appropriate, values from an established typology should be used.</p>
</remarks>
</classSpec>