<classSpec ident="att.staffGrp.vis" module="MEI.visual" type="atts">
<desc xml:lang="en">Visual domain attributes.</desc>
<classes>
<memberOf key="att.barring"/>
<memberOf key="att.staffGroupingSym"/>
<memberOf key="att.visibility"/>
</classes>
<attList>
<attDef ident="bar.thru" usage="opt">
<gloss xml:lang="en">bar lines through</gloss>
<desc xml:lang="en">Indicates whether bar lines go across the space between staves (true) or are only
drawn across the lines of each staff (false).</desc>
<remarks xml:lang="en">
<p>This attribute is ignored when the <att>bar.method</att> attribute’s value is
<val>mensur</val>
or
<val>takt</val>.</p>
</remarks>
</attDef>
</attList>
</classSpec>