<classSpec ident="att.curve.log" module="MEI.usersymbols" type="atts">
<desc>Logical domain attributes.</desc>
<attList org="group">
<attDef ident="func" usage="rec">
<desc>Indicates the function of the curve.</desc>
<datatype maxOccurs="1" minOccurs="1">
<rng:data type="NMTOKEN"/>
</datatype>
<valList type="semi">
<valItem ident="unknown">
<desc>The function of the curve is unknown.</desc>
</valItem>
</valList>
</attDef>
</attList>
</classSpec>