<elementSpec ident="meterSigGrp" module="MEI.cmn">
<gloss versionDate="2022-05-18" xml:lang="en">meter signature group</gloss>
<desc xml:lang="en">Used to capture alternating, interchanging, mixed or other non-standard meter signatures.</desc>
<classes>
<memberOf key="att.common"/>
<memberOf key="att.facsimile"/>
<memberOf key="att.meterSigGrp.anl"/>
<memberOf key="att.meterSigGrp.ges"/>
<memberOf key="att.meterSigGrp.log"/>
<memberOf key="att.meterSigGrp.vis"/>
<memberOf key="model.meterSigLike"/>
</classes>
<constraintSpec ident="check_meterSigGrpContent" scheme="schematron">
<constraint>
<sch:rule context="mei:meterSigGrp[not(@copyof)]">
<sch:assert test="count(mei:meterSig) > 1">meterSigGrp must have at least 2 child
meterSig elements.</sch:assert>
</sch:rule>
</constraint>
</constraintSpec>
</elementSpec>