<classSpec ident="att.space.vis" module="MEI.visual" type="atts">
<desc>Visual domain attributes.</desc>
<attList org="group">
<attDef ident="compressable" usage="opt">
<desc>Indicates whether a space is 'compressible', i.e., if it may be removed at the
discretion of processing software.</desc>
</attDef>
</attList>
</classSpec>