class="methsig1">Macro
</td>
</tr>
<tr>
<td class="methsig2"><span
class="arglist">(&amp;key</span> xml-version about namespaces default-namespace
comment label label-lang<span
class="arglist">)</span> {form}*
</td>
<td>&nbsp;
</td>
</tr>
</table>

<p class="bodytext">Like <span class="defn"><a href="#wirdf">with-rdf</a></span>, but
incorporating an <span class="xmldefn">owl:Ontology</span> element. <span
class="argname">about</span> is used to set the base URI of the document; the value of <span
class="xml