>a</span></td><td>&nbsp;&nbsp;&nbsp;</td><td><span style="font-family: courier new,courier,monospace;">o.i.a</span>,&nbsp;inner&nbsp;context&nbsp;<span style="font-family: courier new,courier,monospace;">i</span>,&nbsp;&nbsp;outer&nbsp;context&nbsp;<span style="font-family: courier new,courier,monospace;">o</span>&nbsp;</td></tr>
<tr class="first"><td><span style="font-family: helvetica,arial,sans-serif; font-weight: bolder; font-size: small;">atoms and terms</span></td><td>&nbsp;&nbsp;&nbsp;</td><td>&nbsp;