<classSpec ident="att.visibility" module="MEI.shared" type="atts">
<desc>Attributes describing whether a feature should be displayed.</desc>
<attList org="group">
<attDef ident="visible" usage="opt">
<desc>Indicates if a feature should be rendered when the notation is presented graphically
or sounded when it is presented in an aural form.</desc>
</attDef>
</attList>
</classSpec>