<classSpec ident="att.sb.vis" module="MEI.visual" type="atts">
<desc xml:lang="en">Visual domain attributes.</desc>
<classes>
<memberOf key="att.altSym"/>
<memberOf key="att.extSym"/>
<memberOf key="att.typography"/>
</classes>
<attList>
<attDef ident="form" usage="opt">
<desc xml:lang="en">Indicates whether hash marks should be rendered between systems. See Read, p. 436,
ex.
26-3.</desc>
<valList type="closed">
<valItem ident="hash">
<desc xml:lang="en">Display hash marks between systems.</desc>
</valItem>
</valList>
</attDef>
</attList>
</classSpec>