<classSpec ident="att.mensural.shared" module="MEI.mensural" type="atts">
<desc>Shared attributes in the mensural repertoire.</desc>
<attList org="group">
<attDef ident="modusmaior" usage="opt">
<desc>Describes the maxima-long relationship.</desc>
</attDef>
<attDef ident="modusminor" usage="opt">
<desc>Describes the long-breve relationship.</desc>
</attDef>
<attDef ident="prolatio" usage="opt">
<desc>Describes the semibreve-minim relationship.</desc>
</attDef>
<attDef ident="tempus" usage="opt">
<desc>Describes the breve-semibreve relationship.</desc>
</attDef>
</attList>
</classSpec>