<macroSpec ident="data.DURATION.mensural" module="MEI.mensural" type="dt">
<desc>Logical, that is, written, duration attribute values for the mensural repertoire.</desc>
<content>
<valList type="closed">
<valItem ident="maxima">
<desc>Two or three times as long as a longa.</desc>
</valItem>
<valItem ident="longa">
<desc>Two or three times as long as a brevis.</desc>
</valItem>
<valItem ident="brevis">
<desc>Two times as long as a semibreve.</desc>
</valItem>
<valItem ident="semibrevis">
<desc>Half or one-third as long as a breve/brevis.</desc>
</valItem>
<valItem ident="minima">
<desc>Half or one-third as long as a semibreve/semibrevis.</desc>
</valItem>
<valItem ident="semiminima">
<desc>Half or one-third as long as a minima.</desc>
</valItem>
<valItem ident="fusa">
<desc>Half or one-third as long as a semiminima.</desc>
</valItem>
<valItem ident="semifusa">
<desc>Half or one-third as long as a fusa.</desc>
</valItem>
</valList>
</content>
</macroSpec>