<classSpec ident="att.mensur.log" module="MEI.shared" type="atts">
<desc xml:lang="en">Logical domain attributes.</desc>
<attList>
<attDef ident="level" usage="opt">
<desc xml:lang="en">Level of duration at which the proportion given by the @num and @numbase ratio applies.</desc>
</attDef>
</attList>
</classSpec>